УСТРОЙСТВО И СПОСОБ ЗАПУСКА ДВИГАТЕЛЯ МЯГКОГИБРИДНОГО ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к двигателям внутреннего сгорания. Устройство для запуска двигателя транспортного средства содержит стартер-генератор с ременным приводом, стартерный мотор и электронный контроллер, использующий стартерный мотор для проворачивания двигателя, если температура двигателя ниже заданного предела температуры. В противном случае используется стартер-генератор с ременным приводом для проворачивания двигателя при условии, что стартер-генератор с ременным приводом способен выполнить проворачивание двигателя со скоростью, превышающей заданную скорость вращения или способен создать ускорение двигателя, превышающее заданное ускорение. Совершенствуется запуск двигателя. 3 н. и 9 з.п. ф-лы, 2 ил.

ЭЛЕКТРИЧЕСКАЯ СХЕМА АВТОТРАНСПОРТНОГО СРЕДСТВА

Использование: в области электротехники. Технический результат - повышение экономичности и надежности. Электрическая схема автотранспортного средства содержит линию (М) массы, бортовую сеть (R) с батареей (1), соединенной с бортовой сетью (R) и с линией (М) массы через первую ветвь (b1), содержащую переключатель (К1), и через вторую ветвь (b2), содержащую переключатель (К2), генератор переменного тока (3), соединенный с батареей (1), стартер и элементы-потребители (4), соединенные с бортовой сетью и с линией (М) массы. Эта схема дополнительно содержит устройство поддержания напряжения, содержащее мост (b3), соединяющий ветвь (b1) с ветвью (b2), и конденсатор, соединенный с мостом (b3) в точке между третьим переключателем (К2) и второй ветвью (b2), и внутреннее устройство (8) питания, обеспечивающее протекание тока во вторую ветвь (b2) только во время перезарядки конденсатора (2). 19 з.п. ф-лы, 3 ил.

УСТРОЙСТВО ПРИВЕДЕНИЯ В ДВИЖЕНИЕ НАГРУЗКИ, ТРАНСПОРТНОЕ СРЕДСТВО, ВКЛЮЧАЮЩЕЕ В СЕБЯ ЕГО, И СПОСОБ УПРАВЛЕНИЯ ДЛЯ УСТРОЙСТВА ПРИВЕДЕНИЯ В ДВИЖЕНИЕ НАГРУЗКИ

Изобретение относится к транспортным средствам, содержащим устройство приведения в движение нагрузки. Устройство содержит устройство аккумулирования энергии, повышающее устройство, выполненное с возможностью повышать напряжение от устройства аккумулирования энергии, устройство приведения в движение, устройство управления. Транспортное средство содержит двигатель внутреннего сгорания, вращающуюся электрическую машину, устройство приведения в движение нагрузки. Способ заключается в определении запроса на приведение в движение вращающейся электрической машины при запуске двигателя внутреннего сгорания, ограничении скорости повышения напряжения повышающим устройством, когда выполнен запрос на запуск двигателя внутреннего сгорания. Технический результат заключается в снижении потерь мощности при запуске двигателя внутреннего сгорания. 3 н. и 13 з.п. ф-лы, 9 ил.

УСТРОЙСТВО УПРАВЛЕНИЯ СИСТЕМОЙ ПОДАЧИ МОЩНОСТИ И СПОСОБ УПРАВЛЕНИЯ СИСТЕМОЙ ПОДАЧИ МОЩНОСТИ

Группа изобретений относится к области транспортного машиностроения. Устройство управления системой подачи мощности содержит систему подачи мощности, имеющую электрогенератор, средства накопления электричества, два тракта, средство переключения и электрическую нагрузку транспортного средства. Два тракта соединены между первым и вторым средством накопления электричества. Средство переключения включает в себя первый и второй переключатели, которые переключаются между проводящим и непроводящим состоянием одного из трактов. Электрическая нагрузка транспортного средства соединяется со стороной первого средства накопления электричества. Способ управления системой подачи мощности содержит этапы, на которых: определяют вероятность требования большего напряжения по сравнению с нормальным; когда имеется вероятность требования большего напряжения по сравнению с нормальным, увеличивают оставшуюся величину заряда во втором средстве накопления электричества заранее. Достигается исключение задержек в ...

УСТРОЙСТВО УПРАВЛЕНИЯ ЗАПУСКОМ И СПОСОБ УПРАВЛЕНИЯ ЗАПУСКОМ ДЛЯ ГИБРИДНОГО ТРАНСПОРТНОГО СРЕДСТВА

СПОСОБ И СИСТЕМА ДЛЯ ЗАПУСКА ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ

СПОСОБ И УСТРОЙСТВО УПРАВЛЕНИЯ ДЛЯ РЕКУПЕРАЦИИ ЭНЕРГИИ В ГИБРИДНОМ ТРАНСПОРТНОМ СРЕДСТВЕ

Dual battery supply system for motor vehicle - separates connection betweenstarter battery and on-board supply battery to prevent chargedrainage

The supply system for an automobile uses a starter battery (2) coupled to the starter motor (3) and an on-board supply battery (5) supplying the on-board electrical loads. The connection between the starter battery and the onboard supply battery is interrupted when the latter battery would drain the charge from the starter battery. Pref. the starter battery and the starter motor are separated from the remainder of the electrical supply network via a starter battery switch (7). ADVANTAGE - Ensures starter battery has sufficient charge for operation of starter motor.

Load driving device for use in electronic control device for starting or cranking machine or motor, has high-sided or on higher potential-side arranged output connection

The load driving device has a high-sided or on higher potential-side arranged output connection (13), which is connected with an end of the load (12), and a lower-sided or for lower potential provided output connection (14), which is connected with another end of the load. A high-sided or for high potential provided switching unit (30) is provided for the production and the disconnection of a connection between a high potential-side of an energy source (11) and the high-sided output connection.

Special starting circuit for motor vehicle - has own power supply to augment starter battery in cold weather

The starting circuit, for a motor vehicle, is constructed as an accessory. It contains its own power supply to supplement the vehicle battery and thereby enable the vehicle to be started in cold weather i.e. in conditions where the current from the normal battery of the vehicle is inadequate. The circuit contains a switch to connect the auxiliary power supply to the starter motor. The normal battery may be disconnected -- in which case the auxiliary power supply will need to be larger.

Bordnetzstabilisierung

Eine Umsetzeinrichtung für Energie in einem Kraftfahrzeug ist zur Verbindung mit einem ersten und einem zweiten Bordnetz eingerichtet, die jeweils einen zugeordneten Energiespeicher umfassen. Dabei umfasst die Umsetzeinrichtung eine erste Abtasteinrichtung zur Bestimmung, dass beide Energiespeicher ausreichend gefüllt sind, eine zweite Abtasteinrichtung zur Erfassung einer Energieentnahme aus einem der Bordnetze und einen Gleichspannungswandler zum Umsetzen von Energie zwischen den Bordnetzen. Ferner ist eine Steuereinrichtung vorgesehen, die dazu eingerichtet ist, in einem automatischen Modus auf der Basis von Signalen der Abtasteinrichtungen ein Umsetzen von Energie aus einem der Bordnetze in das andere Bordnetz zu steuern, wenn aus dem anderen Bordnetz Energie entnommen wird.

BORDNETZ FUER EIN KRAFTFAHRZEUG.

Steuervorrichtung für Fahrzeuge

Steuereinrichtung für Fahrzeuge, umfassend:einen in einem Fahrzeug (1) eingebauten Verbrennungsmotor (2);eine Kraftstoffpumpe (3), die dazu eingerichtet ist, den Verbrennungsmotor (2) mit Kraftstoff zu versorgen;eine erste Batterie (4);eine zweite Batterie (5), die eine niedrigere Ausgangsspannung als die erste Batterie hat (4), wobei die zweite Batterie (5) die Kraftstoffpumpe (3) mit Strom versorgt, während der Verbrennungsmotor (2) während der Fahrt des Fahrzeugs (1) in Betrieb ist,gekennzeichnet durcheinen Stromversorgungsschalter (6), der dazu ausgebildet ist, einen Stromversorgungsanschluss der Kraftstoffpumpe (3) zwischen der ersten Batterie (4) und der zweiten Batterie (5) zu schalten; undeine Stromversorgungs-Schaltsteuereinheit (21) für den Stromversorgungsschalter (6); unddadurch, dass die Stromversorgungs-Schaltsteuereinheit (21) den Stromversorgungsanschluss der Kraftstoffpumpe (3) von der zweiten Batterie (5) auf die erste Batterie (5) schaltet, wenn eine einem Stoppen unmittelbar ...

VERFAHREN UND SYSTEM ZUM BETREIBEN EINES FAHRZEUGS MIT EINEM DC-DC-WANDLER

Die Offenbarung stellt ein Verfahren und System zum Betreiben eines Fahrzeugs mit einem DC-DC-Wandler bereit. Es wird ein Verfahren zum Betreiben eines Fahrzeugs, das einen DC-DC-Wandler beinhaltet, beschrieben. In einem Beispiel beinhaltet das Verfahren Einstellen einer Ausgangsspannung des DC-DC-Wandlers, um das Drehmoment eines riemenintegrierten Startergenerators zu erhöhen. Die Ausgangsspannung des DC-DC-Wandlers kann vor und während des Motoranlassens eingestellt werden.

Verfahren zum Betreiben einer Brennkraftmaschine

Die Erfindung betrifft ein Verfahren zum Betreiben einer Brennkraftmaschine eines Kraftfahrzeuges, insbesondere eines Hybridfahrzeugs, wobei während des Betriebs des Kraftfahrzeugs bei Eintritt wenigstens einer vorbestimmten ersten Bedingung ein Stopp-Betrieb für die Brennkraftmaschine angefordert wird, bei dem die Brennkraftmaschine gestoppt wird, und bei Eintritt wenigstens einer vorbestimmten zweiten Bedingung die Brennkraftmaschine unabhängig von einer Drehmomentanforderung durch einen Fahrer wieder gestartet wird bzw. ein Wiederstart der Brennkraftmaschine angefordert wird. Hierbei wird bei einer Anforderung des Stopp-Betriebes eine Zeitspanne für wenigstens eine zweite Bedingung bestimmt, nach welcher diese zweite Bedingung nach Aktivierung des Stopp-Betriebs voraussichtlich eintreten und zum Wiederstart der Brennkraftmaschine führen wird, und dass die Zeitspanne mit einem vorbestimmten Schwellwert für eine Mindestdauer des Stopp-Betriebes verglichen wird, wobei der Stopp-Betrieb ...

Device for starting an internal combustion engine (ICE) has a direct current shunt motor and on-board batteries to start the ICE by feeding current to an armature and an exciting coil.

A direct current shunt motor (DCSM) (1) and first (6) and second (7) on-board batteries start an internal combustion engine (ICE). Under normal start-up conditions an electric current is fed to an armature (10) and to an exciting coil (13) on the DCSM via the batteries that are connected in parallel. If battery voltage is poor or the ICE is started again in an economy mode, the coil's power is fed from the second battery after exciting the exciting coil with the first battery.

Vorrichtung und Verfahren zum Steuern eines Hybridfahrzeugs

Die Erfindung betrifft ein Antriebssystem zur Verwendung in einem Hybridfahrzeug, das einen Verbrennungsmotor, einen elektrischen Motor/Generator, der im Betrieb mit dem Verbrennungsmotor und einem elektrischen Speichermedium gekoppelt ist, und einen Antriebssystem-Controller zum Betätigen des Antriebssystems umfasst. Der Antriebssystem-Controller verändert die Betriebszustände des elektrischen Motor/Generator-Systems in Abhängigkeit von den Betriebszuständen des Fahrzeugs. Der Antriebssystem-Controller verändert die Betriebszustände des elektrischen Motors/Generators während einer Anlasssequenz des Verbrennungsmotors.

Onboard power supply for motor car, has energy storage unit that provides voltage between terminals, and electrical load electrically coupled between terminals of energy storage unit

The power supply (BN) has an energy storage unit (BAT1) for providing voltage (U-BBN) between terminals (T1-1, T1-2), where one terminal is electrically connected to a reference potential (GND). Another voltage (U-BNE1) is provided between terminals (T2-1, T2-2) of another energy storage unit (BAT2), where one of the terminals of the latter energy storage unit is electrically coupled to one of the terminals of the former energy storage unit. An electrical load (L1) is electrically coupled between the terminals of the latter energy storage unit.

Anlassregelverfahren eines Verbrennungsmotors

Hybridfahrzeug mit einem System und Verfahren zum Motorstart basierend auf der Motorstopp Position

Die Erfindung betrifft ein Hybridfahrzeug 10 mit einem System und Verfahren zum Steuern des Motorstarts mit einem Verbrennungsmotor 12, einem ersten Elektromotor 14, der selektiv mit dem Verbrennungsmotor 12 über eine erste Kupplung, einem mit dem Verbrennungsmotor 12 gekoppelten zweiten Elektromotor 30 und ein selektiv mit dem Elektromotor gekoppelten Übersetzungsverhältnisgetriebe 24 verbunden ist, wobei durch eine zweite Kupplung 22 das Starten des Verbrennungsmotors 14 unter Verwendung entweder des ersten Elektromotors 14 oder des zweiten Elektromotors 30 auf Grundlage der Motorstopp Position erfolgen kann und der Elektromotor 30 ein Niederspannungs-Startermotor 206 oder ein integrierter Startergenerator ISG sein kann; wobei das Verfahren den ersten Elektromotor 14 verwenden kann, wenn die Motorstopp Position innerhalb eines spezifizierten Bereichs von Positionen relativ zur oberen Totpunktposition des Kolbens liegt, die mit höheren Anlassdrehmomenten verbunden ist.

ANLASSEN EINES HYBRIDELEKTROKRAFTFAHRZEUGMOTORS

Ein System für ein Fahrzeug umfasst eine elektrische Maschine, die dazu ausgestaltet ist, Leistung zwischen einem Verbrennungsmotor und einer Traktionsbatterie zu übertragen, eine Hilfsbatterie, die elektrisch an die Traktionsbatterie angeschlossen und von ihr isoliert ist, und eine Steuereinheit, die dazu programmiert ist, nach Eingang einer Motorstartanforderung einen Motorstart mithilfe der Batterien zu initiieren, und zwar in Reaktion darauf, dass die verfügbare Traktionsbatterieleistung unter einem Grenzwert liegt, sowie dazu, den Motorstart ansonsten mithilfe der Traktionsbatterie aber nicht der Hilfsbatterie zu initiieren.

System zur Steuerung eines Hybridfahrzeugs

Control device for controlling starter device of internal combustion engine of motor car, has control unit by which switches i.e. relays, are switched depending on signal, where switch is closed and another switch is opened in state

The device (1) has an input signal terminal (13) comprising a control unit (12) by which two electrical switches (10, 11) i.e. relays, are switched between three states depending on an electrical control signal, where the control signal is present at the input signal terminal. The switches are opened in one state, so that an input terminal (2) is galvanically disconnected from an output terminal (4). One switch is opened and another switch is closed in another state. The former switch is closed and the latter switch is opened in a third state. Independent claims are also included for the following: (1) a motor car (2) a method for starting an internal combustion engine of a motor car.

Verfahren und Vorrichtung zur Steuerung eines Startvorganges eines Verbrennungsmotors

Ein Verfahren zur Steuerung eines Startvorganges eines Verbrennungsmotors, insbesondere eines Kraftfahrzeuges, sieht vor, daß ein Kurzzeitenenergiespeicher vor einem Anlassen des Verbrennungsmotors geladen und zum Anlassen entladen wird. Zeitlich vor dem Anlassen wird ein erstes Inbetriebnahmesignal ausgelöst. Nach dem Inbetriebnahmesignal und vor dem Anlassen werden Sicherheitsfunktionen durchgeführt. DOLLAR A Eine Vorrichtung (1) zur Steuerung eines Startvorganges eines Verbrennungsmotors (2), insbesondere eines Kraftfahrzeuges, ist mit einem Kurzzeitenergiespeicher versehen, der vor einem Anlassen des Verbrennungsmotors (2) ladbar und zum Anlassen entladbar ist. Es ist ein Steuergerät (15) vorgesehen, durch das nach einer Auslösung eines Inbetriebnahmesignals vor dem Anlassen eine Durchführung von Sicherheitsfunktionen veranlaßbar ist.

Steuersystem und Steuerverfahren für eine Brennkraftmaschine

Ein Steuersystem für eine Brennkraftmaschine steuert das Starten einer zum Stillstand gebrachten Brennkraftmaschine (1) auf der Basis des Vorliegens einer vorgegebenen Startbedingung. Das Steuersystem umfasst zumindest zwei Stromquellen, nämlich eine Niederspannungs-Stromquelle (3) und eine Hochspannungs-Stromquelle (4), einen Startermechanismus (2), der von einer der Stromquellen zum Durchdrehen der Brennkraftmaschine (1) angetrieben wird, und einen Umschaltmechanismus (5) zur Herbeiführung einer Umschaltung zwischen einer Verbindung des Startermechanismus (2) mit der Niederspannungs-Stromquelle (3) und einer Verbindung des Startermechanismus (2) mit der Hochspannungs-Stromquelle (4).

Antriebssystem für ein Kraftfahrzeug mit einem Verbrennungsmotor und einer elektrischen Maschine

Die Erfindung betrifft eine Vorrichtung und ein Verfahren zum Starten eines Verbrennungsmotors für ein Kraftfahrzeug, wobei dem Verbrennungsmotor eine elektrische Maschine (1) zugeordnet ist, welche als Starter/Generator betrieben wird. Die elektrische Maschine (1) wird beim Starten mit einer Spannung versorgt, welche sich aus der Addition oder der Subtraktion der an einem ersten und der an einem zweiten Energiespeicher (3, 4) anliegenden Spannungen ergibt.

Vehicle energy management

Power delivery circuit with a boost for energetic starting in a pulsed charge starter/alternator system

A combined starter/alternator is energised to start an engine in a vehicle including a primary energy storage device and a secondary energy storage device. The method comprises the steps of monitoring a charge value on the secondary energy storage device, and activating a converter switching circuit to charge the secondary energy storage device with the primary energy storage device until the charge value is greater than a maximum charge value. Thereafter, an inverter switching circuit is activated to energise the starter/alternator with the power available in the primary and secondary energy storage devices. In another aspect of the invention, the starter/alternator is activated as a starter motor until the engine starts or the charge on the secondary energy storage device falls below a minimum charge value.

Capacitor arrangement for starting an internal combustion engine of a motor vehicle

The engine starter motor 4 has mounted therein or thereon a bank of capacitors 5 which can store sufficient energy to operate the motor 4 for starting the engine. Smaller wires can thus be used to connect the motor 4 to the battery 1, which may also be of lower weight and volume than normal and may be remote from the engine compartment. The capacitors 5 may be molecular or double layer supercapacitors, eg. thirteen 0.9 volt 7800 Farad capacitors, and the battery 1 may be a 20 Ah gas-recombination type. ...

Integrated starter alternator prevents engine stall

A system for preventing stall of a vehicle engine 10 comprises an integrated starter alternator 24 operably connected with the engine. The integrated starter alternator is capable of selectively operating as a starter motor for transmitting torque to the engine and as an alternator for producing electric energy. The system also includes at least one electric energy storage device 26,30 in electrical communication with the integrated starter alternator. The system further includes at least one controller 48 in electrical communication with the integrated starter alternator. The system includes at least one sensor 62 operably connected with the engine sending a signal indicative of engine performance to the controller. The controller compares the signal to a predetermined condition indicative of engine stall and controls the electric energy storage device and the integrated starter alternator to transmit a torque to the engine sufficient to prevent engine stall.

Dual battery vehicle electrical systems

Hybrid drive for a road vehicle

Rechargeable battery jump starting device with control switch backlight system

A rechargeable battery jump starting device with a control switch backlight system. The control switch backlight system is configured to assist a user viewing the selectable positions of the control switch for selecting a particular 12V or 24V operating mode of the portable rechargeable battery jump starting device in day light, sunshine, low light, and darkness.

Apparatus and method for hybrid energy storage

A method of managing a capacitor module of a vehicle, comprising: determining 330, whilst an engine of the vehicle is non-operational, when state of charge of the capacitor module is less than a minimum state of charge for engine cranking, charging 350 the capacitor module from a battery module of the vehicle, such that the state of charge of the capacitor module is at least the minimum state of charge for engine cranking, and providing 370 electrical power solely from the capacitor module to a starter motor associated with the engine to crank the engine for starting. Preferably the state of charge of the capacitor module is determined based on an output voltage of the capacitor module. Preferably the minimum state of charge is based on either the temperature of the capacitor module, a temperature of the engine, or an ambient temperature. The method may be performed when the temperature of the capacitor module, engine, or ambient temperature, is less than a predetermined value. Preferably ...

Rechargeable battery jump starting device with a dual battery diode bridge

Rechargeable battery jump starting device with a dual battery diode bridge system

TWO-BATTERY SYSTEM

TWO-BATTERY SYSTEM

Starting motor

Engine start and battery support module

An Engine Start and Battery Support Module for a vehicle is provided that utilizes a bank of Ultra Capacitors (UCs) charged with or without running the vehicles alternator to levels that support both engine starting assistance and hotel load support. The UCs per-cell charge can be adjusted and raised during periods of low temperatures and even higher during ultralow temperatures. The adjustment, which can be dynamic and/or automatic, increases the UC energy storage capability. Further, the release of energy from the UCs is controlled by a pulse width modulation (PWM) controller based on the DC bus voltage. The UCs can be charged either from an onboard DC/DC converter, an AC hook up, or from smartly switching the banks of UCs between parallel and serial configurations.

DUAL VOLTAGE MOTOR VEHICLE ELECTRICAL SYSTEM

AUXILIARY MOTOR STARTER CONTROL CIRCUITRY

SYSTEM FOR SUPPLYING ELECTRICAL POWER TO START VEHICLE ENGINES

A protection circuit for protecting an energy storage device includes a first circuit region between a first terminal of the energy storage device and a first connector node, a second circuit region between a second terminal of the energy storage device and a second connector node, a latching circuit to electrically couple the first connector node to the first terminal of the energy storage device when the latching circuit is in a closed configuration, and a contactor circuit electrically coupled to an operational switch of the latching circuit, the contactor circuit comprising a capacitor to store charge and a microcontroller to monitor an electrical property of the energy storage device to determine if a short circuit occurs and, if a short circuit does occur, cause the capacitor to discharge to the operational switch of the latching circuit to cause the latching circuit to transition to the open configuration.

VEHICLE STARTING ASSIST SYSTEM

An engine starting assist system. A battery is selectably coupled to an ultracapacitor with a contactor. In addition, a controller is configured to perform at least one of: monitor the condition of the battery, monitor the condition of the ultracapacitor, contr ol the flow of energy between the battery and the ultracapacitor by selective actuation of the contactor, receive a start input control. The controller issues a start output control to a starter solenoid of the engine, such that energy stored in the ultracapacitor may be used to at least one of char ge the battery and provide cranking current to a starter of the engine in conjunction with the battery.

GENERATOR HAVING IMPROVED COLD WEATHER STARTING

A generator includes an internal combustion engine operable on a gaseous fuel and an alternator driven by the engine to produce electrical power for distribution from the generator. The generator may also include a 24-volt starter motor to crank the engine, one or more batteries to provide electrical power to operate the starter motor, and a magneto driven by the engine to provide spark ignition of the gaseous fuel when starting the engine with the starter motor.

DEVICE AND METHOD FOR CURRENT FLOW CONTROL FOR DUAL BATTERY VEHICLE ARCHITECTURE

Described herein is a device and method for current flow control for dual battery vehicle architecture. The dual battery vehicle architecture includes a second energy source (150) that is used to support electrical loads (152), such as radio and navigation systems, during re-cranking in stop-start situations. A quasi-diode device (105) is configured to effectively split a main battery (140) and starter (142) circuit (110) from the rest of the vehicle electrical system (115) including the second energy source (150). The quasi-diode device includes a plurality of field effect transistors, FET (107), that conducts current in both directions between the main battery and starter circuit and the rest of the vehicle electrical system when the FETs are turned on and conducts current only from the main battery and starter circuit to the rest of the vehicle electrical system when the FETs are turned off, i.e. when re-cranking is occurring during a start-stop situation.

POWER SUPPLY DEVICE

A power supply device for use on a motor vehicle includes a charging power supply such as an alternator or a battery, a plurality of capacitors, chargeable by the charging power supply, for supplying stored electric energy to an electric load such as an engine starter, and a successive charging control circuit arrangement for successively charging the capacitors, one by one, with the charging power supply.

УСТРОЙСТВО ПУСКА ДВИГАТЕЛЯ ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к транспортному машиностроению, а именно к устройствам пуска двигателей транспортных средств. Устройство пуска двигателя транспортного средства содержит блок (1) импульсных конденсаторов, цепь последовательно соединенных схему (2) управления, задающую схему (3) пуска, силовую схему (4) пуска, у которых первый выход каждой предыдущей схемы соединен с первым входом каждой последующей схемы, аккумуляторную батарею (5), к которой через переключатель (6) аккумуляторной батареи и двунаправленные входы-выходы подключена схема (2) управления и второй вход задающей схемы (3) пуска. Блоки (7), (8), (9) соответственно измерения, управления и коммутации соединены последовательно, и первый выход каждого предыдущего блока соединен с первым входом каждого последующего блока. Первый выход блока (9) коммутации соединен с первым входом блока (7) измерения, а второй выход блока (9) коммутации соединен со вторым входом блока (7) измерения, двунаправленным входом-выходом блока (1) импульсных ...

СПОСОБ ЗАПУСКА ДВИГАТЕЛЯ ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к транспортному машиностроению, а именно к способам запуска двигателей транспортных средств. Способ запуска двигателя транспортного средства заключается в подключении аккумуляторной батареи к цепям управления для их питания электроэнергией, к блоку импульсных конденсаторов для подзаряда электроэнергией и к силовой схеме пуска, при блокировании последней от разряда на нее электроэнергии блока импульсных конденсаторов во время подготовки пуска двигателя, в разряде электроэнергии блока импульсных конденсаторов на силовую схему пуска при её разблокировании во время пуска двигателя, а после его запуска в подзаряде электроэнергией аккумуляторной батареи от генератора цепей управления и блокировании силовой схемы пуска. Блок импульсных конденсаторов заряжают электроэнергией до порогового напряжения, по достижении которого аккумуляторную батарею и цепи управления отключают от блока импульсных конденсаторов и силовой схемы пуска. После пуска двигателя, для подготовки каждого ...

Vehicle Power Source

With starting of a connecting point of the power cable of the motor vehicle

POWER SUPPLY SYSTEM FOR A MOTOR VEHICLE AND CORRESPONDING CONTROL ELECTRONIC MODULE

Le système d'alimentation électrique selon l'invention est du type de ceux comportant, d'une part, un réseau électrique de puissance (1) présentant une première tension (V1) reliant électriquement des premiers équipements comprenant un moteur/ générateur électrique (3), un onduleur/ redresseur (4) et un premier stockeur d'énergie électrique (2), et, d'autre part, un réseau électrique de service (5) présentant une seconde tension (V2) inférieure à la première tension (V1) reliant électriquement des seconds équipements comprenant un second stockeur d'énergie électrique (6), une unité électronique de commande (10) contrôlant des transferts d'énergie entre les réseaux de puissance et de service (5) au moyen d'un convertisseur continu/ continu réversible (7). Conformément à l'invention, l'unité électronique comporte un premier module électronique (11) alimenté par le réseau de puissance (1) échangeant des informations (13) avec les premiers équipements, et un second module électronique (12) ...

SYSTEM FOR STARTING AN INTERNAL COMBUSTION ENGINE.

DISOSITIF OF STARTER TO START AN INTERNAL COMBUSTION ENGINE

DEVICE OF STARTING Of an INTERNAL COMBUSTION ENGINE, In particular DIESEL ENGINE

An auxiliary starting internal combustion engines used for

SWITCH OF POWER OF BATTERY FOR MOTOR VEHICLE

AUXILIARY ELECTRIC DEVICE, IN PARTICULAR FOR MOTOR VEHICLE

L'invention concerne un dispositif électrique auxiliaire (1) destiné à être associé, d'une part, à une source d'énergie principale, notamment une batterie (2), d'un véhicule automobile, cette source d'énergie principale étant agencée pour fournir une alimentation électrique à un réseau de bord du véhicule, et d'autre part, à une machine électrique tournante (3) du véhicule, notamment un alterno-démarreur ou démarreur, ce dispositif électrique auxiliaire comportant : - une source d'énergie auxiliaire (6), comportant notamment un ensemble de cellules de stockage d'énergie (Ci) connectées en série, - une unité électronique de puissance (7) comportant au moins un premier interrupteur (K1) actionnable lorsque l'unité électronique de puissance est connectée électriquement à la source d'énergie principale, pour commander, lorsque la machine électrique tournante fonctionne en démarreur, un apport, à la machine électrique tournante, d'un supplément d'énergie électrique provenant de la source d'énergie ...

METHOD FOR STARTING AN INTERNAL COMBUSTION ENGINE, AND ASSOCIATED COMPUTER SYSTEM

ELECTRIC MACHINE COMPRISING A JUST UNIT HAS STARTER AND ALTERNATOR, HAS COMMUTATION OF THE CONNECTION OF THE STATOR WINDINGS

Cette machine électrique comprend un stator à trois enroulements triphasés, un rotor en communication électromagnétique avec le stator, des interrupteurs de connexion en étoile (SY1, SY2) entre les enroulements statoriques permettant la configuration en étoile des enroulements statoriques, des interrupteurs de connexion en triangle (SΔ1, SΔ2, SΔ3) entre les enroulements statoriques (A, B, C) permettant la configuration en triangle des enroulements statoriques et un microprocesseur pour fermer les interrupteurs de connexion en triangle et les interrupteurs de connexion en étoile en fonction des conditions de fonctionnement. Application notamment aux moteurs d'automobiles.

METHOD FOR HEATING DRIVE BATTERY OF A HYBRID VEHICLE WITH AN INTERNAL COMBUSTION ENGINE OF THE DIESEL TYPE

CONTROL METHOD OF A HYBRID DRIVE UNIT FOR CROSSING AN OBSTACLE

VEHICLE POWER-SUPPLY DEVICE WITH POWER SUPPLIES

ELECTRICAL NETWORK SUPPLY EQUIPMENT OF A MOTOR VEHICLE WITH DUAL SUBNETWORKS AND USE THEREOF

Le réseau électrique (14) selon l'invention est du type de ceux comportant un premier sous-réseau électrique (15) à une première tension nominale (V1) prédéterminée par rapport à un potentiel de référence comprenant un premier stockeur d'énergie électrique (21), et un second sous-réseau électrique (16) à une seconde tension nominale prédéterminée (V2) par rapport au potentiel de référence comprenant un second stockeur d'énergie électrique (22). Conformément à l'invention, le premier sous-réseau est connecté à une première borne (19) d'une machine électrique tournante double (17) reliée par une borne de masse (18) au potentiel de référence, et le second sous-réseau est connecté à une seconde borne (20) de la machine électrique tournante double. Selon une autre caractéristique, la machine électrique tournante double est un moteur double tension réversible.

System for starting up an internal combustion engine using an electric starter

Le système comporte une batterie d'accumulateurs munie d'un interrupteur dont les contacts sont connectés respectivement au pôle négatif de la batterie et à la masse, un démarreur, des contacts de fermeture du circuit raccordés aux pôles positifs de la batterie et du démarreur et dont l'enroulement est relié au pôle positif de la batterie et, à travers le contacteur du démarreur à la masse. La batterie de condensateurs 8 est équipée d'un dispositif de chauffage comportant un élément de commutation 9 connecté aux pôles de la batterie 8 de condensateurs, et une unité 10 de commande de l'élément de commutation, connectée au pôle positif de la batterie 1 et, à travers un interrupteur 11 de l'élément de commutation 9, au pôle négatif de la batterie. Application au démarrage des moteurs à combustion par grand froid.

PROCESS AND INSPECTING DEVICE OF the TIME OF STARTING Of a THERMAL ENGINE OF VEHICLE.

Heat engine i.e. internal combustion heat engine, starting method for e.g. passenger car, involves supplying electrical energy to electric starter from supply network connected to electrochemical battery for starting heat engine

L'invention concerne un procédé de démarrage d'un moteur thermique comprenant :la connexion électrique (56) d'un pack de supercondensateurs, en plus d'une batterie électrochimique, à un réseau d'alimentation pour fournir un surplus d'énergie électrique à un démarreur du moteur thermique, en alternance, la déconnexion (58) électrique du pack de supercondensateurs du réseau d'alimentation, et l'alimentation (60) du démarreur électrique à partir du réseau d'alimentation pour démarrer le moteur thermique. Selon l'invention, l'étape de connexion électrique du pack de supercondensateurs est réalisée avant le début de l'étape d'alimentation (60) du démarreur électrique.

PROCESS OF MANAGEMENT OF the STOP AND the AUTOMATIC RESTARTING Of a THERMAL ENGINE OF MOTOR VEHICLE AND MOTOR VEHICLE CORRESPONDING

L'invention concerne un procédé de gestion de l'arrêt et du redémarrage automatique d'un moteur thermique de véhicule comprenant un réseau de bord avec un module supercondensateur (44), comprenant la détermination d'une tension de consigne du module supercondensateur (44), comportant : • le calcul d'une tension optimale correspondant à un fonctionnement nominal du réseau de bord (20), la tension de consigne étant par défaut choisie égale à la tension optimale ; • le calcul d'une tension maximale correspondant à une tension limite de protection du réseau de bord (20) calculée à partir d'une variable d'état de l'alterno-démarreur (64), la tension de consigne étant choisie égale à la tension maximale lorsque la tension optimale lui est supérieure. L'invention permet d'améliorer la gestion de l'arrêt et du redémarrage automatique d'un véhicule automobile en préservant la durée de vie des composants compris dans le réseau de bord.

VOLTAGE STABILIZATION SYSTEM

ELECTRIC FEEDING SYSTEM FOR STARTER OF ENGINE

Il s'agit d'un système d'alimentation électrique pour un démarreur qui comprend un condensateur (2, 3). Ce condensateur est chargé par une batterie (1) par l'intermédiaire d'un circuit de charge incluant des résistances (7, 8, 12, 13) qui chargent le condensateur en divisant une tension de la batterie par les résistances. Ce condensateur est déchargé vers le démarreur par l'intermédiaire d'un circuit de décharge qui applique au démarreur une tension chargée du condensateur en plus de la tension de la batterie. Lorsque le démarreur est entraîné, la connexion du condensateur est commutée du circuit de charge au circuit de décharge par une UCE (4) et des relais de commutation (11, 14).

CONTROL DEVICE INTENDS HAS AN INTERNAL COMBUSTION ENGINE AND PROCEEDED

Un système de commande d'un moteur à combustion interne (1) commande le démarrage d'un moteur à combustion interne, qui a été arrêté, sur la base de l'établissement d'une condition de démarrage prédéterminée. Le système de commande est muni d'au moins deux sources d'alimentation, une source d'alimentation à basse tension (3) et une source d'alimentation à haute tension (4), d'un mécanisme de démarrage (2) qui est commandé par la source d'alimentation de façon à actionner le moteur à combustion interne (1), et d'un mécanisme de commutation (5) destiné à réaliser un basculement entre une connexion, du mécanisme de démarrage, à la source d'alimentation à basse tension et une connexion, du mécanisme de démarrage, à la source d'alimentation à haute tension.

전원 시스템

... 발전기와, 발전기의 발전 전력을 충방전 가능한 제1 축전 수단과, 발전 전력을 충방전 가능한 제2 축전 수단과, 제1 축전 수단과 제2 축전 수단을 연결하는 2개의 경로와, 하나의 경로의 도통 상태와 비도통 상태를 전환하는 제1 스위치와, 다른 쪽 경로의 도통 상태와 비도통 상태를 전환하는 제2 스위치와, 전환 수단과, 전환 수단에 대하여 제1 축전 수단측 또는 제2 축전 수단측에 접속되며, 자동 재시동 시에 엔진을 시동시키는 엔진 재시동 수단과, 전환 수단에 대하여 제1 축전 수단측에 접속된 차량의 전장 부하와, 제1 스위치 및 제2 스위치의 온ㆍ오프 제어를 행하는 제어 수단을 구비하고, 제어 수단은, 아이들 스톱으로부터의 자동 재시동의 개시 단계를 제외한 상기 엔진의 운전 중 및 아이들 스톱 중에 있어서 제1 스위치 및 제2 스위치의 양쪽을 도통 상태로 한다.

ELECTRICAL SYSTEM FOR A MOTOR VEHICLE AND METHOD FOR CONTROL OF A STARTER MOTOR AND A BATTERY ISOLATOR IN SUCH AN ELECTRICAL SYSTEM

Combustion and emergency start controlling device with separated-type auxiliary power source and system thereof

The present invention provides an emergency starting switching device and/or a direct current boosted boost circuit device, so when the electric energy of the starting battery is insufficient, with the operation of the emergency starting switching device, the electric energy of the power storage devices is utilized for driving the staring so as to start the engine, and when the engine is started, with the boosted voltage of the direct current boosted boost circuit device, the ignition device and/or the fuel injection device is boosted so as to enhance the starting capability.

VEHICLE STARTING DEVICE

Provided is a vehicle starting device including: an engine providing power to a vehicle; a generator generating electricity using the power of the engine; a spark plug sparking the engine at the time of starting the vehicle; a battery supplying electric power to all vehicle electrical devices and electrically connected to the generator to thereby be charged with electric power generated by the generator; and a starting battery operating the spark plug and charged with the electric power generated by the generator, in order to smoothly start the vehicle.

BATTERY MODULE

A battery module (10) has a first battery (12) and a second battery (14), which are different types of batteries. A disconnecting unit (16) electrically connects the first battery (12), the second battery (14) and the electricity switch (18) of the vehicle, so as to be controlled by the electricity switch (18). Thus the first battery (12) and the second battery (14) are electrically connected or only one of them supplies power to a starter motor (30). The battery module (10) keeps one of the first battery (12) and the second battery (14) in the full power state, thus avoiding the insufficient power supply of starting the vehicle.

ELECTRICAL APPARATUS

An aircraft electrical apparatus comprises an engine starter motor control unit (1) configured to provide an AC input voltage to a transformer rectifier unit (2). Preferably, the apparatus comprises a transformer rectifier unit (2) for supplying power to an aircraft DC supply bus (4), wherein the engine starter motor control unit (1) provides the AC input voltage to the transformer rectifier unit (2).

MOTOR VEHICLE SUPPLY SYSTEM COMPRISING A VOLTAGE TRANSFORMER

The invention relates to a motor vehicle supply system comprising a generator, a battery, a starter, and a high-capacity capacitor for storing electric power for the starting process of a motor vehicle engine. Said supply system further comprises a voltage transformer and an interrupter which are connected in parallel between the capacitor and the battery and are controlled for preparing the starting process of the motor vehicle engine in such a way that the voltage transformer transforms the battery voltage into a greater voltage while the interrupter interrupts the electrical connection between the battery and the capacitor.

SYSTEM FOR ACTIVELY REDUCING ROTATIONAL NON-UNIFORMITY OF A SHAFT, IN PARTICULAR THE DRIVE SHAFT OF AN INTERNAL-COMBUSTION ENGINE, AND METHOD OF OPERATING THE SYSTEM

The invention concerns a system for actively reducing rotational non-uniformity of a shaft, in particular the drive shaft (10) of an internal-combustion engine (1) or a shaft which is coupled, or can be coupled, to the drive shaft. The system includes at least one electrical machine (4), in particular an induction machine or travelling-wave machine, which is coupled, or can be coupled, to the shaft; at least one inverter (17) which generates the voltage and/or current of variable frequency, amplitude and/or phase necessary to produce the magnetic field of the electrical machine (4); and at least one control device (31) which controls the inverter (17) and hence the electrical machine (4) in such a way that the machine counteracts both positive and negative rotational non-uniformity of the shaft. The invention also concerns a method of actively reducing rotational non-uniformity using the system.

Vehicle with switched supplemental energy storage system for engine cranking

An engine cranking system includes an engine, a cranking motor coupled to the engine, a battery, a capacitor and an ignition switch. A first relay is connected between the cranking motor and system ground. A second relay is moveable between at least an open-circuit condition and a closed-circuit position to complete an electrical path connecting the capacitor with the cranking motor. The first relay is connected between the capacitor and the second relay. In one embodiment, a running engine sensory component is coupled between the first relay and system ground. In another embodiment, the engine cranking system includes a running engine sensory component connected to a relay and a control module connected to the relay and the capacitor. In one embodiment, a momentary switch is coupled between the capacitor and the relay.

Methods and systems for power system management

Methods and systems for energy management system for a vehicle are provided. The system includes a first power source configured for cranking an engine wherein the first power source includes a switch configured to electrically couple the first power source to a starter for the engine and wherein the first power source is electrically isolated from auxiliary onboard loads. The system further includes a second power source configured for supplying auxiliary on board loads, a charging subsystem electrically coupled to the first and the second power sources. The charging subsystem is configured to supply charging current to the first and the second power sources. The system further includes a controller configured to maintain the first power source in a substantially fully charged condition and supply the auxiliary loads from the second power source.

Electrical storage device heater for vehicle

An electrical storage device heater system according to an exemplary aspect of the present disclosure includes, among other things, an electrical storage device, a heater configured to regulate a temperature of the electrical storage device and a controller configured to actuate the heater using power sourced from a location separate from the electrical storage device.

Control of vehicle motor

A motor control device for controlling an electric motor ( 1,6 ) installed in a vehicle, is disclosed. The motor has a field winding ( 101,601 ). The motor control device has a battery ( 4 ) charged by power at a first voltage (Vb), an voltage increase/decrease inverter ( 3 ) capable of increasing the first voltage from the battery, an excitation control circuit ( 102, 106 ) which allows or disallows supply of the exciting current to the field winding ( 101,601 ), a sensor ( 35,41-48 ) which detects a state of the vehicle, and a controller ( 8 ). The controller ( 8 ) determines whether or not to start the motor ( 1,6 ) based on a signal from the sensor ( 41-48 ). When the motor is to be started, the controller ( 8 ) allows supply of exciting current by the excitation control circuit ( 102, 106 ) and controls the voltage increasing circuit so that the first voltage is increased to a second voltage higher than the first voltage (Vb).

Starter

In a starter, current is passed through a solenoid to use the generated electromagnetic force when pushing a pinion gear toward a ring gear, so that the ring gear is engaged with the pinion gear. For this purpose, the starter includes an electromagnetic solenoid, a spring for urging the pinion gear in a direction opposite to that of the electromagnetic solenoid, a connecting member connected to the pinion gear, a stopper for limiting movement of the connecting member to a predetermined position. Being urged by the spring, the pinion gear is disengaged from the ring gear, and the connecting member is retracted to a predetermined position. The starter includes a control circuit that implements control of passing a predetermined current through the solenoid after the disengagement but before retraction of the connecting member to the predetermined position.

Electrical system for a vehicle with start/stop

An electrical system for a vehicle having an internal combustion engine with start/stop capability includes a primary battery connectible to an engine starter motor; a secondary battery, an alternator, and an electrical load in parallel with one another and selectively connectible in parallel with the primary battery by a charge switch; in parallel with the secondary battery, a DC/DC converter in series with a third electrical energy source; and a bypass switch operable to selectively bypass the DC/DC converter. The bypass switch allows for selective bypassing the DC/DC converter and charging/discharging of the third electrical energy source during start/stop operation, to ensure a sufficient voltage level over the additional vehicle electrical loads when the internal combustion engine and consequently the alternator are not running.

Method and arrangement for improving the performance of an electrical system of a vehicle

Embodiments herein relate to an arrangement (1) and a method for improving the performance of an electrical system of a vehicle having an internal combustion engine provided with a start/stop system. The electrical system further comprises a primary battery (V1) which is selectively connectible to a starter motor (S) for the internal combustion engine via a starter solenoid (SS). A secondary battery (V2), an alternator (A) and additional vehicle electrical loads (Z) arranged in parallel with each other and selectively connectible in parallel with the primary battery (V1) via a charge switch (S1). In parallel with the secondary battery is further arranged a DC/DC converter (DC/DC) in series with a third source of electrical energy (V3).

Method and start controller for starting a combustion engine using a starter

Es wird ein Verfahren zum Starten einer Brennkraftmaschine (5) eines Fahrzeugs mittels eines Starters (1) und einer daran angeschlossenen Startersteuerung (4) beschrieben. Um einen Starter (1) mit hoher Leistung und mit einer geringen mechanischen elektrischen Belastung effizienter beim Start einer Brennkraftmaschine einzusetzen, wird ein Starterstrom (I) im Startvorgang von der Startersteuerung (4), die elektronische Bauteile umfasst, definiert geregelt.

Economical running control apparatus

MOTOR VEHICLE ELECTRICAL SYSTEM

The invention relates to a motor vehicle electrical system (1), comprising at least one generator (2), at least one battery, a starter (3) and electrical consumers, said generator (2) being connected to the battery and the electrical consumers being subdivided according to their sensitivity to voltage fluctuations. Consumers (9) that are at least partially insensitive to voltage fluctuations and which are not necessary for the engine starting process are connected directly to the generator (2) and the remaining electrical consumers (8) are connected to the battery.

Electrical energy storage system and method for operating such a system

Electrical energy storage system used in vehicle, controls voltage of capacitor such that maximum voltage associated with one of storage module and capacitor, increases as temperature of capacitor decreases A sensor measures the temperature of a capacitor (Cn) in a storage module. A controller controls voltage of the capacitor such that the maximum voltage associated with one of the storage module and capacitor, increases as the temperature decreases. An Independent claim is included for electrical energy storage method.

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To enhance a fuel economy improving effect by reducing an automatic stop prohibition region for an internal combustion engine corresponding to the room air-conditioned condition of the internal combustion engine utilizing a cooling water temperature to keep the automatic stop condition of the internal combustion engine longer. SOLUTION: A hysteresis region between a line LU of a temperature rise threshold value Tx and a line LD of a temperature drop threshold value Ty is made larger than that in a prevention of hunting during control. Furthermore, since a higher required blowout temperature TAO brings about the degradation of air-conditioning comfortableness with a greater degree of delay when a cooling water temperature THW lowers, the hysteresis is made wider than in the lower required blowout temperature TAO. Therefore, an engine stop prohibition region can be sufficiently reduced to keep an automatic stop condition longer, resulting in the enhanced fuel economy ...

СПОСОБ И СИСТЕМА БЫСТРОЙ РЕАКТИВАЦИИ ГАЗОТУРБИННОГО ДВИГАТЕЛЯ

Система быстрой реактивации газотурбинного двигателя летательного аппарата содержит электрическую машину, питаемую постоянным током от бортовой сети электрического питания. Система также содержит выключатель, установленный между бортовой сетью и электрической машиной, дополнительный набор, содержащий множество N элементов накопления электрической энергии, и блок управления устройством для разрядки элементов накопления энергии. Блок управления выполнен с возможностью параллельного соединения бортовой сети электрического питания с последовательной схемой, содержащей, по меньшей мере, часть из N элементов накопления электрической энергии, так чтобы при приведении в действие системы быстрой реактивации электрическая машина получала питание с уровнем напряжения, превышающим уровень ее номинальных характеристик. Технический результат изобретения – повышение надежности запуска газотурбинных двигателей, в том числе в дежурном режиме. 2 н. и 8 з.п. ф-лы, 7 ил.

СПОСОБ УПРАВЛЕНИЯ ЭЛЕКТРОПИТАНИЕМ ТРАНСПОРТНОГО СРЕДСТВА И УСТРОЙСТВО УПРАВЛЕНИЯ ЭЛЕКТРОПИТАНИЕМ ТРАНСПОРТНОГО СРЕДСТВА

Изобретение относится к области электротехники. Технический результат заключается в подавлении протекания сильного тока при подключении вспомогательной аккумуляторной батареи к схеме электропитания, к которой подключена главная аккумуляторная батарея. Согласно способу управления электропитанием транспортным средством вспомогательная аккумуляторная батарея, имеющая внутреннее сопротивление меньше, чем внутреннее сопротивление главной аккумуляторной батареи, подключается к схеме электропитания, подключенной к главной аккумуляторной батарее, при этом вспомогательная аккумуляторная батарея подключается к схеме электропитания после регулировки напряжения схемы электропитания до напряжения вспомогательной аккумуляторной батареи путем управления напряжением генерирования мощности генератора переменного тока, подключенного к схеме электропитания. 2 н. и 4 з.п. ф-лы, 11 ил.

СПОСОБ ЗАПУСКА ДВИГАТЕЛЯ ТРАНСПОРТНОГО СРЕДСТВА А.В. ШЕВЯКОВА

Изобретение относится к транспортному машиностроению и может быть использовано для запуска двигателей транспортных средств. Целью настоящего изобретения является повышение надежности. Способ запуска двигателя транспортного средства А.В.Шевякова, заключается в подключении аккумуляторной батареи к цепям управления для их питания электроэнергией, к блоку импульсных конденсаторов для подзаряда электроэнергией и к силовой схеме пуска, при блокировании последней от разряда на нее электроэнергии блока импульсных конденсаторов во время подготовки пуска двигателя, в разряде электроэнергии блока импульсных конденсаторов на силовую схему пуска при ее разблокировании во время пуска двигателя, а после его запуска в подзаряде электроэнергией аккумуляторной батареи от генератора цепей управления и блокировании силовой схемы пуска, при этом блок импульсных конденсаторов заряжают электроэнергией до порогового напряжения, по достижении которого аккумуляторную батарею и цепи управления отключают от блока ...

УСТРОЙСТВО ПУСКА ДВИГАТЕЛЯ ТРАНСПОРТНОГО СРЕДСТВА А.В. ШЕВЯКОВА

Изобретение относится к транспортному машиностроению и используется для запуска двигателей транспортных средств. Устройство пуска двигателя транспортного средства содержит блок импульсных конденсаторов, цепь последовательно соединенных: схему управления, задающую схему пуска, силовую схему пуска, у которых первый выход каждой предыдущей схемы соединен с первым входом каждой последующей схемы, аккумуляторную батарею, к которой через переключатель аккумуляторной батареи и двунаправленные входы-выходы подключена схема управления и второй вход задающей схемы пуска, при этом введены последовательно соединенные блоки измерения, управления и коммутации, у которых первый выход каждого предыдущего блока соединен с первым входом каждого последующего блока, первый выход блока коммутации соединен с первым входом блока измерения, а второй выход блока коммутации соединен со вторым входом блока измерения, двунаправленным входом-выходом блока импульсных конденсаторов и вторым входом силовой схемы пуска ...

Onboard network for a vehicle having a start-stop system

An onboard network for a vehicle having a start-stop system includes a central module having a control unit SG and switch elements, the central module including terminals port A, port B, port C, port D, port E, and port F for the connection of further components of the onboard network. A generator of the onboard network is connected to a first terminal port A, a starter is connected to a second terminal port B, at least one energy storage is connected to a third terminal port C, a further energy storage is connected to a fourth terminal port D, and electrical consumers of the onboard network are connected to the fifth terminal port E.

Methods and systems for engine start control

Methods and systems are provided for starting an engine in a vehicle. In one example, two or more energy storage devices are coupled in series to improve engine starting. The method and system may reduce engine starting time.

Starter supply network

A starter supply network having a first energy source for the primary energy supply of a starter motor, the first energy source being coupled to a network terminal of the starter supply network; a second energy source; and a coupler, which is configured to couple the second energy source to the network terminal as a function of a starter motor current delivered by the first energy source, in order to counteract a reduction in the starter motor current.

Control unit for vehicle

In a control unit for a vehicle, a redundancy circuit includes a main power source line, a back-up power source line, and a diode. The back-up power source line performs a voltage compensation operation when a voltage of the main power source line is lower than a predetermined voltage. The back-up power source line is turned on when a predetermined period of time has elapsed after the main power source line is turned on. The back-up power source line is turned off when a predetermined period of time has elapsed after the main power source line is turned off. The diode is disposed on the back-up power source line. The fault detector detects an open fault of the diode when a voltage of a cathode of the diode is lower than a predetermined threshold within the predetermined period of time after the main power source line is turned off.

Method and apparatus for providing supplemental power to an engine

A method and apparatus provides supplemental power to an engine. The method and apparatus includes a pair of conductive leads for connecting the supplemental power to an engine electrical system, one or more batteries connected in parallel with one or more capacitors, a relay connected to the conductive leads, a shunt cable connecting the batteries and capacitors to the relay and a processor for controlling the relay to selectively apply electrical power to the engine electrical system. The method and apparatus includes safety features to reduce the risk of injury to the operator and damage to the apparatus and/or engine electrical system.

Engine start assist system

An arrangement and a method are provided for improving performance of a start assist system for an internal combustion engine of a vehicle comprising: a start/stop system, a primary source of electrical energy, a secondary source of electrical energy, an electrical starter motor, an engine control unit, and additional vehicle electrical loads. A start controller is arranged such that the starter motor and engine control unit are operable with power supplied from the primary source of electrical energy at an initial cold starting attempt. If reset of the engine control unit occurs during the first cold starting attempt, the start controller is arranged such that the starter motor is operable with power supplied from the primary source of electrical energy and the engine control unit is operable with power supplied from the secondary source of electrical energy for an additional cold starting attempt.

Battery management system for restricted idle vehicles

A vehicle electrical power system includes a generator which generates power for application to loads and to chassis and batteries for storage. A starter motor for an engine is energized primarily from the battery. A contactor between the batteries has a closed state in which power can flow between the batteries and an open state which interrupts power flow between the batteries and from the generator to the cranking battery. A controller enables periodic stopping and starting of the engine is responsive to a battery state of charge for at least one of the batteries for operating the engine to maintain a minimum battery state of charge. The contactor may have a limited closed state in which power flow between the batteries is surge limited. Power flow is surge limited through the connector responsive to a voltage difference between the batteries.

VEHICLE POWER SUPPLY CONTROL METHOD AND VEHICLE POWER SUPPLY CONTROL DEVICE

A sub-battery () having an internal resistance lower than that of a main battery () is connected to a power supply circuit () connected to the main battery (). In this case, the sub-battery () is connected to the power supply circuit () after the voltage Eof the power supply circuit () is adjusted to the voltage Eof the sub-battery () by controlling the power generation voltage Eof an alternator () connected to the power supply circuit (). 1. A vehicle power supply control method for connecting a sub-battery to a power supply circuit that is connected to a main battery , the method comprising:upon determining that a request to connect the sub-battery to the power supply circuit is issued and determining that the sub-battery is not connected to the power supply circuit, disconnecting the main battery from the power supply circuit, detecting a voltage of an alternator, a voltage of the sub-battery, and a voltage of the disconnected main battery, determining if a first absolute value of the voltage of the alternator minus the voltage of the sub-battery is equal to or smaller than a first threshold,upon determining that the first absolute value is equal to or smaller than the first threshold, connecting the sub-battery to the power supply circuit; andupon determining that the first absolute value is higher than the first threshold, adjusting the voltage of the alternator, determining if a second absolute value of the voltage of the disconnected main battery minus the voltage of the sub-battery is equal to or smaller than a second threshold, upon determining that the second absolute value is equal to or smaller than the second threshold, connecting the disconnected main battery back to the power supply circuit; andupon determining that the second absolute value is higher than the second threshold, adjusting the voltage of the sub-battery by controlling the voltage of the alternator, wherein the sub-battery has an internal resistance lower than an internal resistance of ...

VEHICLE ELECTRIC POWER SUPPLY APPARATUS

A control unit of a vehicle electric power supply apparatus controls an opening and closing unit to set a switch to an OFF state and a voltage detection unit to detect an output voltage of a first power source and an output voltage of a second power source when a second electric load is to be driven, and the control unit inhibits driving of the second electric load when the absolute value of the difference between the output voltage of the first power source and the output voltage of the second power source detected by the voltage detection unit is a predetermined first threshold value or less over a predetermined length of time. 1. A vehicle electric power supply apparatus comprising:a first power source;a second power source that is connected in parallel to the first power source;a DC-DC converter that is connected between the first power source and the second power source;a switch that is connected in parallel to the DC-DC converter and is connected between the first power source and the second power source;an opening and closing unit that is used to open and close the switch;a voltage detection unit used to detect an output voltage of the first power source and an output voltage of the second power source;a first electric load that is connected to the first power source;a second electric load that is connected to the second power source and needs to be supplied with a current which is greater than that of the first electric load;and a control unit that controls the DC-DC converter, the opening and closing unit, and the second electric load, whereinthe control unit controls the opening and closing unit to set the switch to an OFF state and the voltage detection unit to detect an output voltage of the first power source and an output voltage of the second power source when the second electric load is to be driven, andthe control unit inhibits driving of the second electric load when the absolute value of the difference between the output voltage of the first power ...

METHOD AND ARRANGEMENT FOR OPERATING A HYBRID ELECTRICAL VEHICLE

A method is provided for operating a hybrid electric vehicle including an internal combustion engine and an electrical system, which electrical system includes at least one electronic control unit, an engine-driven electric machine (operable as a motor for driving the vehicle or as a generator for supplying power to one or more electrical loads via a high voltage traction bus, and a high voltage battery pack coupled to the high voltage traction bus by at least one contactor arranged to connect the battery pack to the high voltage traction bus. If it is determined that the at least one parameter indicates a condition preventing the battery pack from being connected to the high voltage bus, the electric machine is operated in voltage control mode during operation of the vehicle until the condition is eliminated, whereafter the high voltage bus is pre-charged and the high voltage battery pack reconnected. 1. A method for operating a hybrid electric vehicle comprising an internal combustion engine and an electrical system which electrical system comprises , at least one electronic control unit , an engine-driven electric machine operable as a motor for driving the vehicle or as a generator for supplying power to one or more electrical loads is a high voltage traction bus; and a high voltage battery pack coupled to the high voltage traction bus by at least one contactor arranged to connect the battery pack to the high voltage traction bus comprising the steps of:detecting at least one parameter related to the state of the electrical system:determining if the at least one parameter indicates a condition preventing the battery pack from being connected to the high voltage bus,monitoring the condition and determining if the state of the electrical system allows the battery pack to be connected to the high voltage bus;driving the electric machine as a generator using the engine,operating the electric machine in voltage control mode while using the engine for normal operation ...

ELECTRIC DRIVE VEHICLES

An electric drive vehicle which is capable of performing a bidirectional voltage conversion between two DC power supplies and a rotary electric machine, and a connection switch between a series connection and a parallel connection of the two power supplies with respect to the rotary electric machine. The electric drive vehicle can supply electric power without a delay in response to a change in a load request. A controller sets the connection between the two power supplies to the parallel connection when an estimated value of an output electric current in accordance with a torque command to the rotary electric machine exceeds a tolerable electric current value of at least one of the two power supplies. 1. An electric drive vehicle comprising:a voltage converter which is capable of performing a bidirectional voltage conversion between two DC power supplies and a rotary electric machine, and a connection switch between a series connection and a parallel connection of the two power supplies with respect to the rotary electric machine; anda controller which controls the voltage conversion of the voltage converter and the connection switch of the power supplies,wherein the controller sets the connection between the two power supplies to the parallel connection when an estimated value of an output electric current in accordance with a torque command to the rotary electric machine exceeds a tolerable electric current value of at least one of the two power supplies.2. An electric drive vehicle comprising:a voltage converter which is capable of performing a bidirectional voltage conversion between two DC power supplies and a rotary electric machine, and a connection switch between a series connection and a parallel connection of the two power supplies with respect to the rotary electric machine; anda controller which controls the voltage conversion of the voltage converter and the connection switch of the power supplies,wherein the controller sets the connection between the ...

Vehicle with an Electric System Architecture, and Method for Operating Same

A vehicle is provided with a hybridized drive train and a low-voltage onboard power supply system. The low voltage onboard power supply system includes electric consuming devices, an energy accumulator and a starter for an internal-combustion engine. The low-voltage onboard power supply system further includes a support accumulator and a first switch between the support accumulator and the rest of the low-voltage onboard power supply system. 1. A vehicle having a hybridized drive train , the vehicle comprising: one or more electric consuming devices;', 'an energy accumulator;', 'a starter for an internal-combustion engine of the vehicle;', 'a support accumulator; and', 'a first switch operatively configured between the support accumulator and the rest of the low-voltage onboard power supply system., 'a low-voltage onboard power supply system of the vehicle, the low-voltage onboard power supply system comprising2. The vehicle according to claim 1 , further comprising:a bidirectional direct-voltage control element, whereinthe bidirectional direct-voltage control element comprises first and second interfaces, andthe first interface is connected with the support accumulator and the second interface is connected with the low-voltage onboard power supply system.3. The vehicle according to claim 2 , further comprising:a second switch, whereinthe second interface of the bidirectional direct-voltage control element and the energy accumulator are electrically separable via the second switch from the rest of the low-voltage onboard power supply system.4. The vehicle according to claim 3 , wherein the starter is arranged between the energy accumulator and the second interface of the bidirectional direct-voltage control element.5. The vehicle according to claim 1 , further comprising:an expanded onboard power supply system comprising one or more high-power consuming devices and an additional accumulator;a bidirectional direct-voltage control element comprising first and second ...

Automobile Engine Starter Power Supply Box Structure

The automobile engine starter power supply box structure, which was designed in the right height and width for installation in place of the current automobile or motorcycle battery has the following special features one of the positions of the automobile engine starter power supply box structure has at least one space for the placement of rechargeable batteries in which removable rechargeable batteries can be placed, at a space of the automobile engine starter power supply box structure is a cap functioning to close and push the rechargeable batteries for firm mounting with the system.

VEHICLE ELECTRICAL STARTER CIRCUIT PROTECTION

An electrical system for a vehicle having a chassis ground (G) and an engine having an engine ground (G), the system comprising a first electrical energy storage device (), denoted EESD, a second electrical energy storage device (), denoted EESD, a starter device () having a starter motor (), a generator (), a first cable () coupling a positive terminal (+) of EESD to the positive terminal (+) of the starter device, a second cable () coupling the positive terminal (+) of the generator to a positive terminal (+) of EESD, a third cable () coupling a negative terminal (−) of EESD to the negative terminal (−) of the starter device, a control unit () for controlling the charge of EESD, a fusible link () coupling a negative terminal (−) of EESD to the chassis ground (G). 11. An electrical system for a vehicle having a chassis ground (GO) and an engine having an engine ground (G) , the system comprising:{'b': '1', 'a first electrical energy storage device, denoted EESD,'}{'b': '2', 'a second electrical energy storage device, denoted EESD,'}a starter device having a starter motor,a generator,{'b': '1', 'a first cable coupling a positive terminal of EESD to the positive terminal of the starter device,'}{'b': '2', 'a second cable coupling the positive terminal of the generator to a positive terminal of EESD,'}{'b': '1', 'a third cable coupling a negative terminal of EESD to the negative terminal of the starter device,'}{'b': '1', 'a control unit for controlling the charge of EESD,'}{'b': '1', 'a fusible link coupling a negative terminal of EESD to the chassis ground (GO).'}21. The electrical system according to claim 1 , wherein the chassis ground (GO) and the engine ground (G) are coupled via a fourth cable.3. The electrical system according to claim 1 , wherein the starting circuit loop comprising the first electrical energy storage device claim 1 , the first cable claim 1 , the starter motor and the third cable is deprived of fusible link or circuit breaker.4112. The ...

ENGINE START CONTROL DEVICE

An engine start control device that is capable of winding back a crankshaft more quickly at the time of an idling stop includes a swingback controller for performing a swingback control process for reversing a crankshaft when an engine is started by operating a starter switch, a windback reverse controller for performing a windback control process for reversing the crankshaft immediately after the engine is stopped by the idling stop control process, and a motor brake controller for performing a motor brake control process for braking the crankshaft reversed by the windback control process by rotating the crankshaft in the normal direction after the windback control process performed by the windback reverse controller. The value of a motor current supplied at the time the crankshaft is reversed by the windback reverse controller is set as a value equal to or larger than the value of a motor current supplied at the time the crankshaft is reversed by the swingback controller. 1. An engine start control device for performing an idling stop control process for automatically stopping an engine when a predetermined condition is satisfied and for reversing a crankshaft after the engine is stopped with a motor that rotates the crankshaft in a normal direction or reverses the crankshaft , comprising:a swingback controller for performing a swingback control process for reversing the crankshaft when the engine is started by operating a starter switch;a windback reverse controller for performing a windback control process for reversing the crankshaft immediately after the engine is stopped by the idling stop control process; anda motor brake controller for performing a motor brake control process for braking the crankshaft reversed by the windback control process after the windback control process performed by the windback reverse controller,wherein a value of a motor current supplied at a time the crankshaft is reversed by the windback reverse controller is set as a value ...

Jumpstarting an internal combustion engine

A multi-mode powertrain system including an internal combustion engine, a high-voltage electric machine and a high-voltage electric power system is described. A method for controlling the multi-mode powertrain system includes, in response to an operator initiating a jumpstart, electrically connecting the high-voltage electric power system to a remote electric power source and energizing contactors between the high-voltage electric power system and the remote electric power source. Electric power flow through an auxiliary power module electrically connected to the high-voltage electric power system that supplies electric power to an accessory device is minimized. Engine starting parameters are modified, and the internal combustion engine is started by controlling, via a controller, the high-voltage electric machine to spin the internal combustion engine, and controlling operation of the internal combustion engine based upon the modified engine starting parameters to effect starting.

VEHICULAR APPARATUS

A vehicular apparatus receiving power from a battery mounted on a vehicle includes a main controller unit, a defect detection unit, and an operation controller unit. The operation controller unit is configured to turn off an operation of a target device among a plurality of devices controlled by the main controller unit in response to an occurrence of a voltage drop in which the voltage from the battery is equal to or lower than a predetermined threshold value. In response to turning off the operation of the target device due to the voltage drop, the operation controller unit is configured to transmit a notification indicating turning off of the operation of the target device to the defect detection unit. Upon receiving the notification, the defect detection unit is configured to cancel a determination of a defect relative to the target device. 1. A vehicular apparatus that receives power from a battery mounted on a vehicle , comprising:a main power supply circuit, of which a minimum operating voltage that enables power supply is lower than a rated voltage of the battery;a main controller configured to receive the power supply from the main power supply circuit;a defect detection unit configured to detect a defect;a recording unit configured to record defect information that specifies a content of the defect detected by the defect detection unit in response to the defect detection unit detecting the defect;a voltage detection circuit configured to detect a voltage from the battery; andan operation controller configured to control an operation of a target device among a plurality of devices controlled by the main controller, the target device of which an operation is turned off at a voltage drop in response to the voltage from the battery detected by the voltage detection circuit becoming equal to or lower than a predetermined threshold value,wherein:in response to the operation controller turning off the operation of the target device, the operation controller is ...

Power supply during vehicle startup

A system includes a virtual-driver module, a DC/DC converter electrically coupled to the virtual-driver module, a low-voltage battery electrically coupled to the virtual-driver module, a high-voltage battery electrically coupled to the DC/DC converter, and a computer communicatively coupled to the DC/DC converter. The computer is programmed to, in response to a request to start a vehicle including the virtual-driver module in a manual mode, the vehicle being in an off state at the time of the request, set a setpoint of the DC/DC converter at a first voltage; then perform at least one pre-drive test on the vehicle; and then set the setpoint of the DC/DC converter at a second voltage lower than the first voltage.

VEHICLE POWER SOURCE DEVICE

A vehicle power source device includes a first group that includes a first battery and a first load group which is connected with the first battery, a second group that includes a second battery or includes the second battery and a second load group which is connected with the second battery, a third group that includes a starting device which starts an internal combustion engine and a capacitor, a first switch that is provided between the first group and the second group, a second switch that is provided between the second group and the third group, a third switch that is provided between the first group and the third group, and a control unit that performs control to turn the first switch off, the second switch off, and the third switch on in a case where the internal combustion engine is started. 1. A vehicle power source device comprising: a first group that comprises a first battery and a first load group which is connected with the first battery,', 'a second group that comprises a second battery or comprises the second battery and a second load group which is connected with the second battery,', 'a third group that comprises a starting device which starts an internal combustion engine of a vehicle and a capacitor,', 'a first switch that is provided between the first group and the second group to connect or disconnect these groups,', 'a second switch that is provided between the second group and the third group to connect or disconnect these groups, and', 'a third switch that is provided between the first group and the third group to connect or disconnect these groups; and, 'an electrical circuit and components which comprise,'}a controller configured to cause the starting device to start the internal combustion engine and configured to, when the starting device starts the internal combustion engine, perform the following control to: (i) turn the first switch off, thereby disconnecting the first group and the second group; (ii) turn the second switch off, ...

POWER SUPPLY FOR VEHICLE

There is provided a power supply for a vehicle, including a generator, a lead battery, an electric storage device that is connected in parallel to the lead battery and to the generator, a starter circuit that has a capacitor and a starter and is connected in parallel to the lead battery and to the generator, and at least two switches of a first switch connected in series to the lead battery, a second switch connected in series to the power supply, and a third switch connected in series to the starter circuit. 1. A power supply for a vehicle , comprising:a generator;a lead battery;an electric storage device connected in parallel to the lead battery and to the generator;a starter circuit having a capacitor and a starter and connected in parallel to the lead battery and to the generator; andat least two switches of a first switch connected in series to the lead battery, a second switch connected in series to the electric storage device, and a third switch connected in series to the starter circuit.2. The power supply for a vehicle according to claim 1 , wherein the power supply includes all the three switches claim 1 , and wherein while the starter is in operation claim 1 , the third switch is held in an off position to disconnect the lead battery and the electric storage device from the starter.3. The power supply for a vehicle according to claim 2 , wherein the three switches are connected in parallel to each other and to the generator.4. The power supply for a vehicle according to claim 2 , wherein the first switch and the third switch are connected in series and in parallel to the second switch and to the generator claim 2 , wherein the third switch and the starter circuit are connected in series to the first switch claim 2 , and wherein the third switch and the starter circuit are connected in parallel to the lead battery and to the generator. The present invention relates to a power supply for a vehicle.Japanese Patent Application Publication No. H10-184506 ...

POWER SUPPLY SYSTEM IN VEHICLE

A power supply system for a vehicle including a driving battery, first and second device batteries, a DC-to-DC converter, a control system device, and a specific device includes first and second power lines, first and second switches, and a coupling line. The first power line transmits power from the first device battery to the control system device. The second power line transmits power from the second device battery to the specific device. The first switch is coupled between the DC-to-DC converter and the first power line. The first switch includes a diode disposed in a direction to flow a current to the first power line. The coupling line is configured to transmit power from a node between the DC-to-DC converter and the first switch to the second power line. The second switch selectively opens and closes an electric circuit of the coupling line. 1. A power supply system for a vehicle , the vehicle comprising:a driving motor;a driving battery configured to supply power to the driving motor;a plurality of devices other than the driving motor, the devices comprising a control system device and a specific device, the specific device configured to consume a larger amount of power than the control system device;a first device battery and a second device battery, the first and second device batteries configured to supply power to the devices; anda DC-to-DC converter configured to generate a power supply voltage from power of the driving battery, the power supply voltage being to be supplied to the devices, the power supply system comprising:a first power line configured to transmit power from the first device battery to the control system device;a second power line configured to transmit power from the second device battery to the specific device;a first switch configured to be coupled between the DC-to-DC converter and the first power line, the first switch comprising a diode that is disposed in a direction to flow a current to the first power line;a coupling line ...

POWER SUPPLY CONTROL APPARATUS

A power supply control apparatus controls supply of power to an accessory device connected to a first battery. The power supply control apparatus includes a power supply controller that switches a power supply state from a first state to a second state. In the first state, power is supplied to the accessory device via a power converter from a second battery that has a charge/discharge efficiency higher than the first battery. In the second state, the power is supplied from the second battery to the accessory device not via the power converter with the first battery disconnected from the accessory device. 1. A power supply control apparatus that controls supply of power to an accessory device connected to a first battery , the power supply control apparatus comprising:a power supply controller that switches a power supply state from a first state to a second state, the first state being a state in which power is supplied to the accessory device via a power converter from a second battery that has a charge/discharge efficiency higher than the first battery, the second state being a state in which the power is supplied from the second battery to the accessory device not via the power converter, with the first battery disconnected from the accessory device.2. The power supply control apparatus according to claim 1 , further comprising:a processor that determines whether or not a predetermined condition is satisfied while the power supply state is in the first state, whereinin a case where the processor has determined that the predetermined condition is satisfied while the power supply state is in the first state, the power supply controller switches the power supply state from the first state to the second state.3. The power supply control apparatus according to claim 2 , whereinthe processor determines whether or not the predetermined condition is satisfied while the power supply state is in the second state, andin a case where the processor has determined that the ...

VEHICLE POWER SUPPLY APPARATUS

A vehicle power supply apparatus includes first and second power supply systems, an electrical conduction path, a switch, and a switch controller. The first power supply system includes a first electrical energy accumulator and an electric load. The second power supply system includes a generator and a second electrical energy accumulator. The switch is configured to be controlled to a turn-on state and a turn-off state. The turn-on state includes coupling the electric load and the second electrical energy accumulator to each other, and the turn-off state includes isolating them from each other. The switch controller controls the switch to the turn-on state on the condition that the generator has an abnormality, and afterwards controls the switch to the turn-off state. 1. A vehicle power supply apparatus to be mounted on a vehicle that includes an engine , the vehicle power supply apparatus comprising:a first power supply system including a first electrical energy accumulator and an electric load coupled to the first electrical energy accumulator;a second power supply system including a generator and a second electrical energy accumulator, the generator being coupled to the engine, and the second electrical energy accumulator being able to be coupled to the generator;an electrical conduction path provided between the first power supply system and the second power supply system and configured to couple the first electrical energy accumulator and the second electrical energy accumulator in parallel to each other;a switch configured to be controlled to a turn-on state and a turn-off state, the turn-on state including coupling the electric load and the second electrical energy accumulator to each other, and the turn-off state including isolating the electric load and the second electrical energy accumulator from each other; anda switch controller configured to control the switch to the turn-on state on a condition that the generator has an abnormality, and afterwards ...

ENGINE APPARATUS

In performing double drive startup for starting up an engine while cranking the engine by both a first motor and a second motor, the cranking of the engine by one of the first motor and the second motor is finished earlier than the cranking of the engine by the other of the first motor and the second motor. 1. An engine apparatus comprising:an engine;a first motor capable of cranking the engine;a first electrical storage device capable of supplying electric power to the first motor;a second motor capable of cranking the engine;a second electrical storage device capable of supplying electric power to the second motor; anda control device that controls the engine, the first motor, and the second motor, whereinthe control device finishes cranking the engine by one of the first motor and the second motor earlier than cranking the engine by the other of the first motor and the second motor, in performing double drive startup for starting up the engine while cranking the engine by both the first motor and the second motor.2. The engine apparatus according to claim 1 , whereinthe control device finishes cranking the engine by the second motor earlier than cranking the engine by the first motor when a degree of deterioration in the second electrical storage device is equal to or higher than a predetermined degree in performing the double drive startup.3. The engine apparatus according to claim 2 , whereinthe control device finishes cranking the engine by the second motor before a rotational speed of the engine becomes equal to or higher than a predetermined rotational speed and the engine undergoes complete explosion, and then finishes cranking the engine by the first motor after the engine undergoes complete explosion, when the degree of deterioration in the second electrical storage device is equal to or higher than the predetermined degree in performing the double drive startup.4. The engine apparatus according to claim 1 , whereinthe first motor is a starter,the second ...

PLC CONTROLLED SUPPLEMENTAL STARTING SYSTEM

A vehicle power starting method generates a recharging function based on a temperature and a voltage of a vehicle starting capacitor. The method determines a temperature of the vehicle starting capacitor when the capacitor is running in parallel with the motorized vehicle's battery and the motorized vehicle's electrical system. The method calculates a maximum charging level of the vehicle starting capacitor when running in parallel with a motorized vehicle's battery and the motorized vehicle's electrical system; and adapts the recharging process of the vehicle starting capacitor based on the recharging function and a predetermined charging timed cycle. 1. A vehicle power starting method comprising:generating a recharging function by a computer processor based on a temperature and a voltage of a vehicle starting capacitor;obtaining a temperature of the vehicle starting capacitor when running in parallel with a motorized vehicle's battery and the motorized vehicle's electrical system;calculating a maximum charging level by the computer processor of the vehicle starting capacitor running in parallel with a motorized vehicle's battery and the motorized vehicle's electrical system; andadapting the recharging process of the vehicle starting capacitor by the computer processor based on the recharging function and a predetermined charging cycle time period.2. The method of where the recharging function comprises a linear function of temperature versus an analog voltage.3. The method of where the recharging function comprises a non-linear function of temperature versus a digital voltage.4. The method of where obtaining the temperature of the capacitor comprises obtaining a temperature of a surrogate area in proximity to the vehicle starting capacitor.5. The method of where the temperature is measured at a resolution greater than one hundred degrees.6. The method of further comprising:coupling the vehicle starting capacitor in parallel with the motorized vehicle's battery and ...

BATTERY CONNECTIONS FOR BATTERY START OF INTERNAL COMBUSTION ENGINES

A battery pack for use in providing starting power for a starter motor of an internal combustion engine and to supply power to one or more auxiliary loads. The battery pack includes an outer housing that encloses a plurality of battery cells. A control unit is positioned within the outer housing and is connected to at least a starter switching element and an auxiliary switching element. The control unit controls the position of both the starter switching element and the auxiliary switching element to selectively connect the battery cells to the starter motor and the auxiliary loads. The battery pack further includes an ignition input terminal that is connected to the ignition circuit of the internal combustion engine such that the control unit can monitor the operational status of the internal combustion engine. The control unit can selectively ground the ignition coil of the ignition circuit to enable and/or terminate operation of the internal combustion engine. 113-. (canceled)14. A battery pack comprising:a plurality of battery cells enclosed in an outer housing;a starter switching element positioned within the outer housing and configured to provide selective communication between the plurality of battery cells and a starter motor;an auxiliary switching element positioned within the outer housing and configured to provide selective communication between the plurality of battery cells and auxiliary loads;a shutdown switching element positioned within the outer housing and configured to provide selective communication between an ignition coil and ground; anda control unit operable to control a condition of the starter switching element, the auxiliary switching element, and the shutdown switching element, wherein the starter switching element and the auxiliary switching elements are movable to selectively couple the plurality of battery cells to the starter motor and the auxiliary loads.15. The battery pack of claim 14 , wherein the control unit is operable to ...

ENGINE STARTING SYSTEM USING STORED ENERGY

There is described a method for and system for starting at least one engine from a twin engine installation. The starting system comprises a first engine arrangement comprising a first electric machine having a single rotor dual stator configuration, a first dual channel power control unit coupled to the first electric machine, and a first dual channel full authority digital engine control (FADEC) coupled to the first dual channel power control unit; a second engine arrangement comprising a second electric machine having a single rotor dual stator configuration, a second dual channel power control unit coupled to the second electric machine, and a second dual channel full authority digital engine control (FADEC) coupled to the second dual channel power control unit; an energy storage unit coupled to the first engine arrangement and the second engine arrangement and having at least a first super-capacitor and a second super-capacitor; and a DC to DC converter configured to receive a first voltage level from a power source, increase the first voltage level to a second voltage level, and charge the first super-capacitor and the second super-capacitor to the second voltage level. 1. An engine starting system for a twin engine installation comprising:a first engine arrangement comprising a first electric machine;a second engine arrangement comprising a second electric machine;an energy storage unit coupled to the first engine arrangement and the second engine arrangement and having at least a first super-capacitor and a second super-capacitor; anda DC to DC converter configured to receive a first voltage level from a power source, increase the first voltage level to a second voltage level, and charge the first super-capacitor and the second super-capacitor to the second voltage level.2. The engine starting system of claim 1 , wherein at least one of the first engine arrangement and the second engine arrangement comprises a dual redundant configuration.3. The engine ...

Method and system for starting an internal combustion engine

A method and a system for starting an internal combustion engine (ICE) having a crankshaft and an electric turning machine (ETM) operatively connected to the crankshaft are disclosed. An absolute angular position of the crankshaft related to a top dead center position of a piston in a combustion chamber of the ICE is determined. Electric power is delivered to the ETM at a first level to rotate the crankshaft. Electric power is then delivered to the ETM at a second level greater than the first level when the piston reaches a predetermined position before the TDC position. Fuel is injected in the combustion chamber after the piston has passed beyond the TDC position. The fuel is then ignited. In an implementation, the ICE is started in less than 110 degrees of rotation of the crankshaft.

METHOD FOR OPERATING AN ELECTRIC TURNING MACHINE OPERATIVELY CONNECTED TO AN INTERNAL COMBUSTION ENGINE

An electric turning machine (ETM) operatively connected to an internal combustion engine (ICE) is operated as a motor with a first control strategy and as a generator with a second control strategy. In the first control strategy, electric power is delivered from a power source to the ETM selectively through at least one transistor of an electrical converter. After switching from the first control strategy to the second control strategy, the ETM delivers electric power to an accessory selectively through the at least one transistor of the electrical converter. 1. A method for operating an electric turning machine (ETM) operatively connected to an internal combustion engine , the method comprising:operating the ETM as a motor with a first control strategy to increase a rotational speed of the internal combustion engine,operating with the first control strategy comprising delivering electric power from a power source to the ETM selectively through at least one transistor of an electrical converter;switching from the first control strategy to a second control strategy, the second control strategy being distinct from the first control strategy; andin response to switching from the first control strategy to the second control strategy, operating the ETM as a generator with the second control strategy,operating with the second control strategy comprising delivering electric power from the ETM to an accessory selectively through the at least one transistor of the electrical converter.2. The method of claim 1 , further comprising switching from the first control strategy to the second control strategy in response to a voltage of the ETM being equal to or above a voltage generation threshold.3. The method of claim 1 , further comprising switching from the first control strategy to the second control strategy in response to the ETM operating with the first control strategy for at least a minimum time duration.4. The method of claim 1 , further comprising operating the ETM as ...

Method for jump starting a vehicle

A method for jump starting a vehicle comprising causing a control unit to set a reference voltage by choosing a point from a chart plotting voltage across a starting battery versus time during a vehicle start; determining whether the voltage across a starting battery of the vehicle is less than the reference voltage; closing a switch if the determination is positive, thereby causing an external power source to supply high current to the starting battery; adding the high current and current from the starting battery to obtain a total current; and supplying the total current to a starter motor of the vehicle so as to start the vehicle. An apparatus for thus jump starting a vehicle is also disclosed. 1. A method of jump starting a vehicle comprising the steps of:{'sub': 2', '2', '1, 'setting a reference voltage point Q by choosing the point Q from a range of voltages across a starting battery of the vehicle measured during the process of starting the vehicle; determining whether the voltage across the starting battery of the vehicle is less than the reference voltage Q; if the determination is positive, causing an external power source to supply high current (I) to the starting battery, thereby adding the high current (I) to current (I) from the starting battery to obtain a total current (I); and supplying the total current (I) to a starter motor of the vehicle so as to successfully start the vehicle.'}2. The method of claim 1 , wherein the period of time of supplying current by the external power source in jump starting the vehicle is between about 0.001 second and 30 seconds.3. The method of claim 2 , wherein the period of time of supplying current by the external power source in jump starting the vehicle is between about 0.001 second and 5 seconds.4. The method of claim 1 , wherein the high current (I) supplied by the external power source is between about 0.1A and 550A.5. The method of claim 1 , wherein current supplied by the external power source is stored in a ...

BATTERY ENHANCER FOR A VEHICLE

A battery system for a vehicle is provided. The battery system includes a supercapacitor device that is configured to supply power to one or more components of the vehicle in response to various conditions. 1. A battery system for a vehicle comprising:a battery;a starter motor;a supercapacitor device, wherein the supercapacitor device is operatively connected to the battery;a controller, wherein the controller is operatively connected to the supercapacitor device and the starter motor, wherein the controller is configured to cause the supercapacitor to energize the starter motor to start the vehicle in response to a signal indicating a vehicle starting operation.2. The battery system of claim 1 , wherein the controller is configured to cause the supercapacitor device to be electrically decoupled from the starter motor after the engine starts running.3. The battery system of claim 2 , wherein the controller is configured to cause the supercapacitor device to provide additional power to the engine in response to the engine starting to accelerate.4. The battery system of claim 2 , wherein the supercapacitor device is configured to supply power to one or more components of the vehicle after the engine starts running.5. The battery system of claim 2 , wherein the supercapacitor device is electrically connected to the battery in parallel claim 2 , wherein the battery and supercapacitor device are configured to recharge the supercapacitor device after engine starts running.6. The battery system of claim 1 , wherein the supercapacitor device comprise a rare-earth element claim 1 , wherein the rare-earth element comprises an electronic circuit that creates an electromagnetic field.7. The battery system of claim 1 , wherein the supercapacitor device comprises a plurality of supercapacitor cells and first and second layers claim 1 , wherein the first layer is a conductive element that electrically connects the six supercapacitor cells together claim 1 , wherein the first layer ...

COMBUSTION ENGINE STARTER SYSTEMS AND METHODS

A vehicle includes a combustion engine configured to crank start via torque applied to a crankshaft. The vehicle also includes a first electric machine to drive vehicle wheels powered by a high-voltage power source and coupled to the crankshaft and a second electric machine powered by a low-voltage power source and coupled to the crankshaft. The vehicle further includes a controller programmed to monitor a battery state of charge (SOC) and a voltage of the high-voltage power source. The controller is also programmed to activate only the second electric machine to attempt to crank start the engine in response to either of the SOC or the voltage being less than a predetermined threshold, and activate the first electric machine to attempt to crank start the engine in response to each of the SOC and the voltage being greater than a predetermined threshold. 1. A vehicle comprising:a combustion engine configured to crank start via torque applied to a crankshaft;a first electric machine to drive vehicle wheels powered by a high-voltage power source and coupled to the crankshaft;a second electric machine powered by a low-voltage power source and coupled to the crankshaft; and in response to an engine start request and each of a state of charge (SOC) and voltage of a high-voltage power source being greater than respective SOC and voltage thresholds, activate the first electric machine to attempt to cold crank start the engine,', 'in response to a slowing of engine rotation being greater than a slowing threshold during the crank start of the engine by the first electric machine, activate the second electric machine to provide supplemental torque to assist the first electric machine in the attempt to cold crank start the engine such that the first electric machine and second electric machine are cranking the engine at a same time, and', 'in response to an unsuccessful engine crank start attempt by a-combined activation of both the first electric machine and the second electric ...

SUPERCAPACITOR CONTROL SYSTEMS AND METHODS

A battery and supercapacitor system of a vehicle includes a lithium ion battery (LIB) disposed within a housing. The LIB includes: an electrolyte including lithium; and first and second electrodes disposed in the electrolyte. A supercapacitor is disposed within the housing and includes: the electrolyte; and third and fourth electrodes disposed in the electrolyte. 1. A battery and supercapacitor system of a vehicle , comprising:a housing; an electrolyte comprising lithium; and', 'first and second electrodes disposed in the electrolyte; and, 'a lithium ion battery (LIB) within the housing, the LIB including the electrolyte; and', 'third and fourth electrodes disposed in the electrolyte., 'a supercapacitor within the housing, the supercapacitor including2. The battery and supercapacitor system of wherein:the first electrode of the LIB is connected to a first node;the second electrode of the LIB is connected to a second node; andthe battery and supercapacitor system further includes a switch configured to connect and disconnect the third electrode of the supercapacitor to and from the first node.3. The battery and supercapacitor system of further comprising a control module configured to open the switch only when a current from the LIB and the supercapacitor is less than a predetermined current.4. The battery and supercapacitor system of wherein the predetermined current is less than 100 milliamps.5. The battery and supercapacitor system of further comprising a second switch configured to connect and disconnect the fourth electrode of the supercapacitor to and from the second node.6. The battery and supercapacitor system of further comprising a control module configured to open the switch and the second switch only when a current flow from the LIB and the supercapacitor is less than a predetermined current.7. The battery and supercapacitor system of wherein the fourth electrode of the supercapacitor is directly connected to the second node.8. The battery and ...

CONTROLLING BATTERY STATES OF CHARGE IN SYSTEMS HAVING SEPARATE POWER SOURCES

A control system is designed or configured to control the state of charge of a battery or battery pack in a system containing a separate power source, which is separate from the battery or battery pack. In operation, the battery or battery pack is called upon to intermittently provide power for certain functions. The separate power source may be, for example, an AC electrical power source for a UPS or an engine of a vehicle such as a micro hybrid vehicle. The battery may be a nickel zinc aqueous battery. The control system may be designed or configured to implement one or more of the following functions: monitoring the state of charge of the battery or battery pack; directing rapid recharge of the battery or battery pack from the separate power source when the battery or battery pack is not performing its functions; and directing charge to fully charged level or a float charge level, which is different from the fully charged level, in response to operating conditions. 1. A method of controlling the state of charge of one or more nickel-zinc batteries in a battery pack for a system having (i) a separate power source working in conjunction with the battery pack and (ii) a full charge mode and a float charge mode , the method comprising:(a) determining that the state of charge of the one or more nickel-zinc batteries in the battery pack is below a defined level associated with the full charge mode;(b) while in the full charge mode, applying charge to the battery pack at a first voltage to charge the one or more nickel-zinc batteries of the battery pack to a fully charged state, wherein the charge to the fully charged state is provided from the separate power source; and(c) subsequently, while operating the system in the float charge mode, applying charge to the battery pack at a second voltage to maintain the one or more nickel-zinc batteries of the battery pack at a float charged state, wherein the charge to the float charge state is provided from the separate power ...

POWER SUPPLY DEVICE FOR VEHICLE

A power supply device for a vehicle includes: a first power supply; a second power supply which is connected to a starter, configured to start a power source, in parallel with the first power supply; and a control unit which is configured to control a starter switch configured to connect/disconnect the starter to/from any of the first power supply and the second power supply and, if the first power supply deteriorates as compared with a predetermined state, performs control to make or decrease a voltage value of the second power supply equal to or lower than a predetermined voltage value before setting the starter switch at a closed state. 1. A power supply device for a vehicle comprising:a first power supply connected to a starter configured to start a power source;a second power supply connected to the starter in parallel with said first power supply; anda controller configured to control a starter switch configured to connect and disconnect said starter to and from any of said first power supply and said second power supply and,wherein when said first power supply deteriorates more than a predetermined state, the controller performs control to make a voltage value of said second power supply equal to or lower than a predetermined voltage value before setting said starter switch to a closed state.2. The power supply device for a vehicle according to claim 1 , wherein said predetermined voltage value is a voltage value lower than a minimum voltage value at or above which said starter can be driven by said second power supply only.3. The power supply device for a vehicle according to claim 1 , wherein said controller performs the control to make the voltage value of said second power supply equal to or lower than said predetermined voltage value by charging said first power supply using power from the second power supply.4. The power supply device for a vehicle according to claim 1 , whereinsaid device comprises an electrical load different from said starter ...

Systems And Methods For Supplying Power In A Hybrid Vehicle Using Capacitors, A Battery And One Or More DC/DC Converters

A system for discharging or charging a capacitor of a hybrid vehicle according to the present disclosure includes a target state of charge (SOC) module and a capacitor charge/discharge module. The target SOC module determines a target state of charge of the capacitor based on a speed of the vehicle. The capacitor charge/discharge module determines whether a state of charge of a capacitor is greater than a target state of charge. The capacitor charge/discharge module dissipates power from the capacitor to at least one of a battery of the vehicle and an electrical load of the vehicle when the state of charge of the capacitor is greater than the target state of charge. 1. A system for charging a capacitor of a hybrid vehicle , the system comprising:a capacitor monitoring module configured to monitor a state of charge of a capacitor; determine whether the state of charge of the capacitor is less than a capacitor state of charge threshold, wherein the capacitor state of charge threshold is based on an amount of power that the capacitor supplies to at least one of a starter of the vehicle and a generator of the vehicle during cranking of an engine of the vehicle; and', 'charge the capacitor using power from at least one of a battery of the vehicle and the generator of the vehicle when the state of charge of the capacitor is less than the capacitor state of charge threshold., 'a capacitor charge/discharge module configured to2. The system of further comprising a power management module configured to:supply a first amount of power from the battery to at least one of a starter of the vehicle and a generator of the vehicle during cranking of an engine of the vehicle; andsupply a second amount of power from the capacitor to the at least one of the starter and the generator during cranking of the engine, wherein the second amount of power is greater than the first amount of power.3. The system of wherein the capacitor charge/discharge module is configured to determine whether ...

Vehicle and method pre-fluxing an engine starter motor in a vehicle

A vehicle includes an engine, an electric machine, and a controller. The electric machine is configured to start the engine. The controller is programmed to pre-flux the electric machine with current that has a magnitude that changes as temperature of the engine changes within a predefined range.

System For Controlling Power Supplied To A Starter Motor

Vehicle power control is described. A vehicle power control system includes a battery having a first voltage, a starter motor having a second voltage, a power converter, and a system controller. The second voltage is higher than the first voltage. The starter motor is coupled to a crankshaft of an internal combustion engine. The power converter is in electrical communication with the battery and the starter motor and is configured to convert the first voltage to the second voltage. The system controller is configured to supply energy from the battery to the starter motor to start the internal combustion engine. 1. A vehicle power control system , comprising:a battery having a first voltage;a starter motor having a second voltage, wherein the starter motor is coupled to a crankshaft of an internal combustion engine;a power converter in electrical communication with the battery and the starter motor, wherein the power converter is configured to convert the first voltage to the second voltage; anda system controller configured to supply energy from the battery to the starter motor to start the internal combustion engine,wherein the second voltage is higher than the first voltage.2. The vehicle power control system of claim 1 , wherein the system controller is configured to supply energy only from the battery to the starter motor to start the internal combustion engine claim 1 , and wherein the power converter maintains at least a 4:1 ratio between the first voltage and the second voltage.3. The vehicle power control system of claim 1 , further comprising:a first circuit in electrical communication with the battery, wherein the first circuit operates at the first voltage; anda second circuit in electrical communication with the starter motor, wherein the second circuit operates at the second voltage,wherein the power converter is a bidirectional power converter in electrical communication with the first circuit and the second circuit, andwherein the bidirectional power ...

Systems And Methods For Supplying Power In A Hybrid Vehicle Using Capacitors, A Battery And One Or More DC/DC Converters

A system for discharging or charging a capacitor of a hybrid vehicle according to the present disclosure includes a target state of charge (SOC) module and a capacitor charge/discharge module. The target SOC module determines a target state of charge of the capacitor based on a speed of the vehicle. The capacitor charge/discharge module determines whether a state of charge of a capacitor is greater than a target state of charge. The capacitor charge/discharge module dissipates power from the capacitor to at least one of a battery of the vehicle and an electrical load of the vehicle when the state of charge of the capacitor is greater than the target state of charge.

Power supply system of a motor vehicle, motor vehicle, as well as method for operating a power supply system

A power supply system of a motor vehicle includes a first electric system having a first motor vehicle battery and a first consumer. A second electric system includes a second motor vehicle battery and a second consumer. An autonomous switch is configured to connect and separate the first electric system and the second electric system. The autonomous switch connects the first electric system and the second electric system to one another by closing the autonomous switch if a failure or impending failure of the energy supply of the first electric system or the second electric system is detected.

ENERGY STORAGE SYSTEM WITH MULTIPLE BATTERY MODULES FOR A VEHICLE PROPULSION SYSTEM

An energy storage system (ESS) for a vehicle propulsion system includes a first battery electrically coupled to a first voltage bus, a second battery electrically coupled to a second voltage bus, and a bidirectional DC/DC power converter electrically coupled to the voltage buses. A starter for cranking an engine is electrically coupled to the first voltage bus. A controller executes computer code stored in memory. The computer code is configured to operate the converter in a boost mode to transfer power from the second voltage bus to the first voltage bus, in response to the controller determining that: a power capability of the first battery is below a power demand on the first voltage bus; a state of charge of the first battery is below a state of charge threshold; or a temperature of the first battery is below a temperature threshold.

EMERGENCY STARTING SYSTEM AND METHOD FOR FUEL CELL HYBRID VEHICLE

An emergency starting system and an emergency starting method of a fuel cell hybrid vehicle perform an emergency start when a DC power converter for starting fails. The emergency starting system includes: a fuel cell and a super capacitor connected through a main bus terminal in parallel; a driving inverter connected to the main bus terminal; a driving motor connected to the driving inverter; a balance-of-plant configured to activate the fuel cell; a starting DC power converter configured to drive the balance-of-plant; and a starting controller configured to control the super capacitor at the time of a start. The starting controller includes a super capacitor relay, an initial charging relay, and an initial charging resistor, the initial charging relay includes a plurality of relays, and the initial charging resistor includes a plurality of resistors. 1. An emergency starting system of a fuel cell hybrid vehicle , comprising:a fuel cell and a super capacitor connected through a main bus terminal in parallel;a driving inverter connected to the main bus terminal;a driving motor connected to the driving inverter;a balance-of-plant configured to activate the fuel cell;a starting DC power converter configured to drive the balance-of-plant; anda starting controller configured to control the super capacitor at the time of a start,wherein the starting controller includes a super capacitor relay, an initial charging relay, and an initial charging resistor,the initial charging relay includes a plurality of relays, andthe initial charging resistor includes a plurality of resistors.2. The emergency starting system of claim 1 , wherein:the initial charging relay includes first and second relays connected to each other in parallel, andthe initial charging resistor includes a first resistor serially connected tothe first relay and a second resistor serially connected to the second relay.3. The emergency starting system of claim 2 , wherein:the first relay and the first resistor ...

SUPPLEMENTAL STARTING SYSTEM

The disclosure is directed to a system and method for providing supplemental power to start one or more cranking motors. The supplemental starting system includes a starting-signal isolator configured to connect to one or more electrical starting-signal wires providing starting signal to one or more cranking motors, a resetting relay electrically connecting to the starting-signal isolator, a programmable logic controller (PLC) electrically connecting to the resetting relay, a supplemental battery relay electrically connecting to the starting-signal isolator and the PLC, a supplemental battery electrically connecting to the supplemental battery relay, and a positive output-terminal electrically connecting to the supplemental battery relay. When an output of the starting-signal isolator is higher than a threshold voltage, the resetting relay and the supplemental battery relay are configured to be in a close state, so that the supplemental starting system is configured to provide electricity to one of the one or more cranking motors. 1. A supplemental starting system for providing supplemental power to start one or more engines , the supplemental starting system comprising:a first supplemental starting switch;a first resetting relay electrically connecting to the first supplemental starting switch;a first programmable logic controller (PLC) electrically connecting to the first resetting relay;a first supplemental battery relay electrically connecting to the first supplemental starting switch and the first PLC;a supplemental battery comprising a positive terminal electrically connecting to the first supplemental battery relay;a first positive output-terminal electrically connecting to the first supplemental battery relay;a first negative output-terminal electrically connecting to a negative terminal of the supplemental battery;wherein when the first supplemental starting switch is in an close state, the first resetting relay is configured to be in a close state, the ...

SOLID STATE POWER SUPPLY CONFIGURATION FOR MULTIPLE ENGINE SYSTEMS

A power generation system is disclosed. The power generation system may include a first engine and a second engine. The power generation system may include an alternating current (AC) generator coupled to the first engine and a solid state power supply connected to the AC generator via a first circuit. The power generation system may include a first energy storage device associated with the first engine, connected to the solid state power supply via a second circuit, and a first engine control module (ECM) associated with the first engine, connected to the solid state power supply via the second circuit. The power generation system may include a second energy storage device associated with the second engine, connected to the solid state power supply via the second circuit, and a second ECM associated with the second engine, connected to the solid state power supply via the second circuit. 1. An engine system , comprising:an engine;an alternating current (AC) generator coupled to the engine;a solid state power supply connected to the AC generator via a first circuit;an energy storage device connected to the solid state power supply via a second circuit;an engine control module (ECM) connected to the solid state power supply via the second circuit; anda starter connected to the solid state power supply via the second circuit.2. The engine system of claim 1 , wherein the solid state power supply includes a rectifier to convert alternating current electricity to direct current electricity.3. The engine system of claim 1 , wherein the solid state power supply is to provide diagnostic information regarding the AC generator.4. The engine system of claim 1 , wherein the solid state power supply is to provide direct current electricity to the energy storage device claim 1 , the ECM claim 1 , or the starter via the second circuit.5. The engine system of claim 1 , wherein the solid state power supply is to provide direct current electricity at an ambient temperature range of − ...

CONTROLLING BATTERY STATES OF CHARGE IN SYSTEMS HAVING SEPARATE POWER SOURCES

A control system is designed or configured to control the state of charge of a battery or battery pack in a system containing a separate power source, which is separate from the battery or battery pack. In operation, the battery or battery pack is called upon to intermittently provide power for certain functions. The separate power source may be, for example, an AC electrical power source for a UPS or an engine of a vehicle such as a micro hybrid vehicle. The battery may be a nickel zinc aqueous battery. The control system may be designed or configured to implement one or more of the following functions: monitoring the state of charge of the battery or battery pack; directing rapid recharge of the battery or battery pack from the separate power source when the battery or battery pack is not performing its functions; and directing charge to fully charged level or a float charge level, which is different from the fully charged level, in response to operating conditions. 1. A method of controlling the state of charge of one or more nickel-zinc batteries in a battery pack for a system having (i) a separate power source working in conjunction with the battery pack and (ii) a full charge mode and a float charge mode , the method comprising:(a) determining that the state of charge of the one or more nickel-zinc batteries in the battery pack is below a defined level associated with the full charge mode;(b) while in the full charge mode, applying charge to the battery pack at a first voltage to charge the one or more nickel-zinc batteries of the battery pack to a fully charged state, wherein the charge to the fully charged state is provided from the separate power source; and(c) subsequently, while operating the system in the float charge mode, applying charge to the battery pack at a second voltage to maintain the one or more nickel-zinc batteries of the battery pack at a float charged state, wherein the charge to the float charge state is provided from the separate power ...

CONTROL DEVICE

A control device for a vehicle includes a semiconductor switch, and opens and closes a connection between a capacitor connected to one end of the semiconductor switch and an on-board battery connected to another end of the semiconductor switch by turning ON/OFF the semiconductor switch. The control device includes: a wiring for applying a drive voltage for turning ON the semiconductor switch; a drive switch for short-circuiting the wiring to turn OFF the semiconductor switch; a Zener diode having an anode connected to the one end of the switching circuit, and a cathode connected to the wiring; a voltage detection unit detects a voltage at the one end of the switching circuit; and a control unit that controls the drive switch from OFF to ON, and determines whether or not the semiconductor switch is defective by comparing the voltage detected by the voltage detection unit with a threshold value. 1. A control device for a vehicle , comprising a switching circuit having a semiconductor switch , and being configured to open and close a connection between a starter generator having a capacitor connected to one end of the switching circuit , and an on-board battery and a load that are connected to another end of the switching circuit by turning ON/OFF the switching circuit , for preventing a voltage drop on the load side at the time of start of an engine by the starter generator , the control device further comprising:a drive power supply configured to output a drive voltage for turning ON/OFF the semiconductor switch;a wiring that connects the drive power supply and a gate of the semiconductor switch, in order to apply the drive voltage to the gate of the semiconductor switch;a first electric resistor having one end connected to the drive power supply through the wiring;a second electric resistor having one end connected to another end of the first electric resistor, and anther end connected to the gate of the semiconductor switch through the wiring;a drive switch having ...

CONTROL DEVICE FOR HYBRID VEHICLE

A control device is configured to, in a case that an internal combustion engine is made to start up before travel start of a vehicle in a parked state, when an auxiliary battery has at least a predetermined value of battery voltage, make the internal combustion engine start up after executing fuel heating processing for heating fuel by glow plugs to which electric power is transmitted, or when the battery voltage of the auxiliary battery is less than the predetermined value, execute the fuel heating processing after executing charge processing for charging the auxiliary battery using a main battery and then start up the internal combustion engine. 1) An electronic control unit for a vehicle , the vehicle comprising:an internal combustion engine;a heater configured to heat fuel for the internal combustion engine with electric power;a first battery; anda second battery configured to be charged by the first battery and supply electric power to the heater;the electronic control unit is programmed to:execute charge processing where the second battery is charged with the first battery;execute fuel heating processing where the fuel is heated with the heater; anddetermine whether a voltage of the second battery is high or low based on a calculation map;wherein the electronic control unit is further programmed to:i) before starting the internal combustion engine, execute the charge processing and the fuel heating processing when the voltage of the second battery is low; andii) execute the fuel heat processing without executing the charge processing before starting the internal combustion engine when the voltage of the second battery is high.2) The control device according to claim 1 , whereinthe electronic control unit is further programmed to execute the fuel heating processing and the charge processing before starting the internal combustion engine in response to detection of a predetermined operation which is performed before the start of travel of the vehicle when the ...

BATTERY CONNECTIONS FOR BATTERY START OF INTERNAL COMBUSTION ENGINES

A battery pack for use in providing starting power for a starter motor of an internal combustion engine and to supply power to one or more auxiliary loads. The battery pack includes an outer housing that encloses a plurality of battery cells. A control unit is positioned within the outer housing and is connected to at least a starter switching element and an auxiliary switching element. The control unit controls the position of both the starter switching element and the auxiliary switching element to selectively connect the battery cells to the starter motor and the auxiliary loads. The battery pack further includes an ignition input terminal that is connected to the ignition circuit of the internal combustion engine such that the control unit can monitor the operational status of the internal combustion engine. The control unit can selectively ground the ignition coil of the ignition circuit to enable and/or terminate operation of the internal combustion engine. 1. A battery pack for use in powering a starter motor to start an internal combustion engine and supplying power to one or more auxiliary loads , the battery pack comprising:an outer housing;a plurality of battery cells enclosed in the outer housing;a starter switching element positioned within the outer housing and located between the plurality of battery cells and the starter motor;an auxiliary switching element positioned within the outer housing and located between the plurality of battery cells and the auxiliary loads; anda control unit operable to control the condition of the starter switching element and the auxiliary switching element to selectively couple the plurality of battery cells to the starter motor and the auxiliary loads.2. The battery pack of wherein the control unit is positioned within the outer housing.3. The battery pack of further comprising an ignition input terminal configured to be connected to an ignition circuit of the internal combustion engine claim 2 , wherein the control ...

ENGINE STARTER AND ENGINE STARTING METHOD

After the vehicle is parked, when the SOC of the auxiliary battery becomes equal to or less than a threshold A, the ECU turns off the switch; when it is predicted that the engine will be started for the first time, the ECU turns on the switch; when the capacitor temperature is equal to or lower than a threshold B, the ECU turns on the heater and starts to charge the capacitor; when the engine is startable and when an engine start operation is performed by the user, the ECU supplies the electric power in the capacitor to the engine starter. 1. An engine starter for starting an engine , comprising:a starter motor configured to rotate an output shaft of the engine;a capacitor configured to supply electric power to the starter motor;a battery configured to supply electric power to the capacitor and other electrical devices;a charger configured to charge the capacitor by using the electric power in the battery;a switch configured to switch a state between the battery and a power consumption device between an electrically connected state and an electrically disconnected state; anda controller configured to control the operation of the switch,when the engine is in a stop state, the controller being configured to control the switch to the electrically disconnected state before an SOC of the battery becomes smaller than a first value which corresponds to an amount of electric power required to start the engine.2. The engine starter according to claim 1 , whereinthe controller is configured to control the switch to the electrically connected state so as to charge the capacitor by using the electric power in the battery when it is predicted that the engine will be started, and actuate the starter motor so as to start the engine when a request to start the engine is received from a user.3. The engine starter according to claim 1 , further comprising a heater configured to heat the capacitor claim 1 , whereinthe controller is configured to actuate the heater so as to heat the ...

WOUND FIELD GENERATOR OVERVOLTAGE PREVENTION

An aircraft main power generation system includes a rotor shaft, a main power generator a permanent magnet, an exciter, an aircraft power bus, and a generator control unit. The generator control unit is configured to provide a control current to the exciter in response to a speed of the main power generator reaching a threshold speed and electrically couple the main power generator to the aircraft power bus in response to the speed of the main power generator reaching a minimum operating speed, the threshold speed being lower than the minimum operating speed; or provide a control current to the exciter in response to the speed of the main power generator reaching a predetermined speed and electrically coupling the main power generator to the aircraft power bus in response to a time period elapsing after the speed of the main power generator has reached the predetermined speed. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. An aircraft main power generation system comprising:a rotor shaft;a main power generator including generator windings, the generator windings mechanically coupled to the rotor shaft such that the rotor shaft causes the generator windings to spin when the rotor shaft is spinning;a permanent magnet generator mechanically coupled to the rotor shaft, the permanent magnet generator configured to generate power when the rotor shaft is spinning;an exciter electrically coupled to the generator windings of the main power generator, the exciter configured to provide a current to the generator windings in response to receiving a control current;an aircraft power bus configured to receive power from the main power generator when electrically coupled to the main power generator; anda generator control unit electrically coupled to the permanent magnet generator and configured to receive power generated by the permanent magnet generator, the generator control unit configured to monitor a speed of the main power generator and to provide the ...

POWER SUPPLY SYSTEM

A power supply system in a vehicle having an idling stop function for executing an automatic stop and an automatic restart on an engine has a power generator, a first storage unit that can be charged with and can discharge generated power generated by the power generator, a second storage unit that can be charged with and can discharge the generated power, two paths connecting the first storage unit and the second storage unit, a switching unit including a first switch for switching one path of the two paths between a conductive condition and a non-conductive condition, and a second switch for switching another path of the two paths between a conductive condition and a non-conductive condition, and an engine restarter connected to either the first storage unit side or the second storage unit side of the switching unit in order to start the engine during the automatic restart. 1. A power supply system in a vehicle having an idling stop function for executing an automatic stop and an automatic restart on an engine , the power supply system comprising:a power generator;a first storage unit that can be charged with and can discharge generated power generated by the power generator;a second storage unit that can be charged with and can discharge the generated power;two paths connecting the first storage unit and the second storage unit;a switching unit including a first switch for switching one path of the two paths between a conductive condition and a non-conductive condition, and a second switch for switching another path of the two paths between a conductive condition and a non-conductive condition;an engine restarter connected to either the first storage unit side or the second storage unit side of the switching unit in order to start the engine during the automatic restart;an electrical load of the vehicle, which is connected to the first storage unit side of the switching unit; anda controller configured to implement ON/OFF control on the first switch and the ...

DIRECT CURRENT POWER PLANT

A DC power plant generating DC power from a variety of engines including a Stirling cycle engine. The DC power plant includes a relatively small start-up power source that is discontinued after the engine is running. A method for producing DC power for a load including starting up an engine using power supplied by a relatively small power supply supplemented by a capacitor bank, providing output from the engine to a generator, producing alternating current (AC) power by the generator, converting the AC power to direct current (DC) power, disabling output of the DC power during a first set of pre-selected conditions, limiting a rate of change of current of the DC power during a second set of pre-selected conditions, reducing conducted and radiated emissions of the DC power, disconnecting the DC power from the load under a third set of pre-selected conditions, and providing the DC power to the load. 1. A method for starting an engine comprising:receiving first power from a first AC power supply;receiving second power from a second AC power supply;starting the engine by using the first power and a capacitor bank;starting system control electronics by using the second power;controlling, by the system control electronics, a power control board; andcontrolling, by the power control board, the engine.2. The method as in further comprising:providing output from the engine to a permanent magnet synchronous motor generator (PMSMG) operably coupled to the engine;producing AC power from the output of the PMSMG generator;coupling a motor drive power board with the PMSMG generator, the motor drive power board converting the AC power to DC power, the PMSMG and the motor drive power board controlling a velocity of the engine;coupling an arc fault detector to a DC output breaker;shunt tripping, by the ARC fault detector, the DC output breaker during an arc fault condition; andproviding, by the DC output breaker, the DC power to an electric grid when at least one of a set of pre- ...

SEMI-ACTIVE PARTIAL PARALLEL BATTERY ARCHITECTURE FOR AN AUTOMOTIVE VEHICLE SYSTEMS AND METHODS

An automotive battery system that includes a lead-acid battery electrically coupled to a first bus, in which the lead-acid battery supplies electrical power to a starter via the first bus to cold crank an internal combustion engine of a vehicle; a lithium-ion battery electrically coupled to a second bus, in which the lithium-ion battery captures and stores electrical energy generated by a regenerative braking system when the vehicle brakes and supplies electrical power to the second bus using the electrical energy captured from the regenerative braking system such that a first portion of the second electrical power is supplied to an electrical system; and a DC/DC converter electrically coupled between the first bus and the second bus, in which the DC/DC converter controls supply of a second portion of the second electrical power to charge the lead-acid battery. 1. An automotive battery system , comprising:a lead-acid battery electrically coupled to a first bus, wherein the lead-acid battery is configured to supply first electrical power to a starter via the first bus to cold crank an internal combustion engine of a vehicle; capture and store electrical energy generated by a regenerative braking system when the vehicle brakes; and', 'supply second electrical power to the second bus using the electrical energy captured from the regenerative braking system such that a first portion of the second electrical power is supplied to an electrical system; and, 'a lithium-ion battery electrically coupled to a second bus, wherein the lithium-ion battery is configured toa DC/DC converter electrically coupled between the first bus and the second bus, wherein the DC/DC converter is configured to control supply of a second portion of the second electrical power to charge the lead-acid battery.2. The automotive battery system of claim 1 , wherein:the vehicle is configured to disable the internal combustion engine when idle and key on; and the lead-acid battery is configured to ...

METHOD TO DECOUPLE BATTERY FROM HIGH LEVEL CRANKING CURRENTS OF DIESEL ENGINES

A method of decoupling a battery during high current cranking of an engine comprises charging a supercapacitor bank to a preselected DC supercapacitor voltage from a battery when said battery is above a preselected battery voltage, switching the supercapacitor bank to a load and switching the battery off the load, starting the engine and supplying initial voltage and current until terminal voltage of the supercapacitor is equal to terminal voltage of the battery, switching the battery into parallel with the supercapacitor, disconnecting the supercapacitor from the load, and recharging the supercapacitor to the preselected DC capacitor voltage. 1. A method of decoupling a battery during high current cranking of an engine , comprises:charging a supercapacitor to a preselected DC supercapacitor voltage from a battery when said battery is above a preselected battery voltage;switching the supercapacitor to a load and switching said battery off said load;starting said engine and supplying initial voltage and current until terminal voltage of the supercapacitor is equal to terminal voltage of said battery;switching said battery into parallel with said supercapacitor;disconnecting said supercapacitor from said load; and, recharging said supercapacitor to said preselected DC capacitor voltage.2. The method of claim 1 , said switching occurring with at least one of a relay or contactor.3. The method of claim 1 , further comprising determining a voltage across said battery.4. The method of claim 3 , further comprising determining a current output from said battery.5. The method of claim 1 , further comprising determining a voltage across said supercapacitor.6. The method of claim 5 , further comprising determining a current output from said supercapacitor.7. The method of claim 1 , further comprising inputting a terminal voltage of said battery and said supercapacitor into a controller.8. The method of wherein said controller is one of discrete logic or programmable logic ...

Method, a system, a computer-readable medium, and a power controlling apparatus for applying and distributing power

Embodiments of the invention relate generally to power management and the like, and more particularly, to an apparatus, a system, a method, and a computer-readable medium for providing power controlling functionality to generate configurable power signals and to deliver power during fault conditions. In at least some embodiments, a power control unit can generate power signals having configurable attributes as a function of a mode of operation, a fault type, and the like.

Power supply system control device and power supply system control method

A power supply system control device for controlling a power supply system including an electric generator, a first electricity storage configured to be charged with and to discharge electric power generated by the electric generator, a second electricity storage configured to be charged with and to discharge the generated electric power, two paths connecting between the first electricity storage and the second electricity storage, a switching unit including a first switch configured to switch between a conductive state and a non-conductive state of one of the paths, and a second switch configured to switch between a conductive state and a non-conductive state of the other of the paths, and an electric load of a vehicle that is connected to the first electricity storage side of the switching unit.

CAPACITOR MODULE

A capacitor module for a vehicle, wherein the module includes a capacitor having a plurality of capacitor cells operatively connected to each other, a first port for being connected to a power supply arrangement, a second port for being connected to an electric machine for cranking an internal combustion engine, and a third port for being connected to ground. The capacitor module includes a first electrical device connected between the first port and the capacitor and that the first electrical device is adapted for allowing a current to flow out from the capacitor module via the first port for providing power to at least one load during operation in case of a sudden voltage drop in the power supply from the power supply arrangement. 1. A capacitor module for a vehicle , wherein the module comprisesa capacitor comprising a plurality of capacitor cells operatively connected to each other,a first port for being connected to a power supply arrangement,a second port for being connected to an electric machine for cranking an internal combustion engine anda third port for being connected to ground,wherein the capacitor module comprises a first electrical device connected between the first port and the capacitor and wherein the first electrical device is adapted for allowing a current to flow out from the capacitor module via the first port for providing power to at least one load during operation in case of a sudden voltage drop in the power supply from the power supply arrangement, andwherein the first electrical device is arranged for providing a low resistance against the current in one direction and a high resistance in the other direction.2. A capacitor module for a vehicle according to claim 1 , wherein the first electrical device forms a switch claim 1 , which is adapted to be automatically controlled based on a parameter indicative of voltage or current.3. A capacitor module for a vehicle according to claim 2 , wherein the first electrical device is adapted to be ...

VEHICLE AND PORTABLE DEVICE

A vehicle includes an electric power reception unit that is configured to receive electric power that is required to activate a system of the vehicle, from a portable device that is portable, the portable device including an electrical storage device provided therein, and the portable device being configured to carry out at least one of authentication of a user of the vehicle and issuance of a command to activate the system. 1. A vehicle comprising:an electric power reception unit that is configured to receive electric power that is required to activate a system of the vehicle, from a portable device that is portable, the portable device including an electrical storage device provided therein, and the portable device being configured to carry out at least one of authentication of a user of the vehicle and issuance of a command to activate the system.2. The vehicle according to claim 1 , whereinthe electric power reception unit includes at least one of an exterior insertion portion which is provided outside a vehicle cabin and into which the portable device is inserted, an interior insertion portion which is provided inside the vehicle cabin and into which the portable device is inserted, a placement portion which is provided inside the vehicle cabin and onto which the portable device is placed, and a non-contact electric power reception portion that is configured to receive the electric power from the portable device in a non-contact manner.3. The vehicle according to claim 1 , whereinthe electric power reception unit is configured to receive the electric power from the portable device and feed the electric power to the portable device.4. The vehicle according to claim 1 , further comprising:an electric power feed unit that is configured to feed the electric power to the portable device.5. The vehicle according to claim 1 , further comprising:an in-vehicle electrical storage device;an activation unit that is configured to activate the system; anda relay that ...

Control System for an Automotive Engine and a Method of Controlling an Automotive Engine

An automotive engine () has a start-up state that occurs during a starting sequence and a nm state when operating normally. A starter unit, in the form of a motor (), cranks the drive unit during the start-up state, and a first energy storage device, in the form of a supercapacitive device (), supplies electrical energy to the motor () during the start-up state. A second energy storage device, in the form of a battery (), supplies electrical energy selectively to the device () other than during the start-up state, and an electrical supply unit, in the form of an alternator (), selectively supplies electrical energy during the run state to the device (). 1. A control system for an automotive engine having a starter motor , an alternator , a start-up state , and a run state , the system including:a control circuit for generating:a first control signal to actuate a starter motor to crank the engine during the start-up state, wherein the starter motor draws electrical energy from a supercapacitive device;a second control signal to initiate the supply of electrical energy selectively from a battery to the supercapacitive device other than during the start-up state; anda third control signal to initiate the selectively supply of electrical energy during the run state from the alternator to the supercapacitive device.2. A method for controlling an automotive engine having a starter motor , an alternator , a start-up state , and a run state , the method including:actuating the starter motor to crank the engine during the start-up state, wherein the starter motor draws electrical energy from a supercapacitive device;supplying electrical energy selectively from a battery to the supercapacitive device other than during the start-up state; andselectively supplying electrical energy during the run state from the alternator to the supercapacitive device.3. An automotive drive including: a drive unit for providing drive to a drive-train , the drive unit having a start-up state and ...

METHODS AND SYSTEM FOR OPERATING A VEHICLE HAVING A DC/DC CONVERTER

A method for operating a vehicle that includes a DC/DC converter is described. In one example, the method includes adjusting an output voltage of the DC/DC converter to increase torque of a belt integrated starter/generator. The output voltage of the DC/DC converter may be adjusted before and during engine cranking. 1. A vehicle operating method , comprising:adjusting an output voltage of a DC/DC converter directly coupled to a low voltage bus in response to a speed of an engine during engine cranking via a controller; andcranking the engine via an electric machine, the electric machine directly coupled to the low voltage bus.2. The method of claim 1 , where the DC/DC converter supplies electric charge from a high voltage bus to the low voltage bus.3. The method of claim 1 , further comprising reducing the output voltage of the DC/DC converter in response to engine speed being greater than a threshold speed.4. The method of claim 3 , further comprising closing an isolation switch coupled to the low voltage bus in response to the engine speed being greater than the threshold speed.5. The method of claim 1 , further comprising adjusting the output voltage of the DC/DC converter in response to an engine temperature while the engine is stopped.6. The method of claim 5 , where the engine temperature is a cylinder head temperature.7. The method of claim 5 , where the engine temperature is an engine oil temperature.8. A vehicle electric power system claim 5 , comprising:a high voltage electric energy storage device electrically coupled to a high voltage bus;a low voltage electric energy storage device electrically coupled to a low voltage bus;a DC/DC converter electrically coupled to the high voltage bus and the low voltage bus;a second low voltage electric energy storage device selectively coupled to the low voltage bus via an isolation switch and buffered from the low voltage bus via a diode; anda controller including executable instructions stored in non-transitory ...

POWERTRAIN SYSTEM WITH FAULT-TOLERANT COASTING CONTROL LOGIC

A method for fault-tolerant coasting control of a powertrain system having an engine and a first energy storage system (ESS) includes receiving a real impedance value of the first ESS from a frequency analyzer device at a calibrated frequency while the engine is running, and comparing the real impedance value to a calibrated impedance. A coasting maneuver is enabled allowing the engine to turn off above a threshold speed when the real impedance value is less than the calibrated impedance. The method may include starting the engine using a second ESS in parallel with the first ESS to exit the coasting maneuver when the real impedance value exceeds the calibrated impedance. Subsequent execution of the coasting maneuver may be prevented as long as the real impedance value exceeds the calibrated impedance. A powertrain system includes the engine, starter motor, rechargeable ESS, frequency analyzer, and controller. 1. A method for providing fault-tolerant coasting control of a powertrain having an engine and a first energy storage system , the method comprising:receiving, via a controller, a real impedance value of the first energy storage system from a frequency analyzer device at a calibrated frequency while the engine is running;comparing the real impedance value to a calibrated impedance value; andexecuting a coasting maneuver of the powertrain by turning off the engine above a threshold speed only when the real impedance value is less than the calibrated impedance value.2. The method of claim 1 , wherein the threshold speed is a speed of the engine.3. (canceled)3. The method of claim 1 , where the powertrain includes a second energy storage system in electrical parallel with the first energy storage system claim 1 , the method comprising:starting the engine using energy from the second energy storage system to thereby exit the coasting maneuver when the real impedance value exceeds the calibrated impedance value; andpreventing a subsequent execution of the coasting ...

POWER SUPPLY DEVICE FOR VEHICLE

A power supply device for a vehicle which is used in a vehicle, includes: a first switch unit that is provided between a power generator which is driven by an internal combustion engine of the vehicle and a secondary battery which is connected to the power generator and supplies electric power to a starting device for starting the internal combustion engine; a second switch unit that is provided between the power generator and a capacitor which accumulates electric power supplied by the power generator; and a control unit that controls the connection state of the first switch unit and the connection state of the second switch unit. 1. A power supply device for a vehicle which is used in a vehicle , comprising:a first switch unit that is provided between a power generator which is driven by an internal combustion engine of the vehicle and a secondary battery which is connected to the power generator and supplies electric power to a starting device for starting the internal combustion engine;a second switch unit that is provided between the power generator and a capacitor which accumulates electric power supplied by the power generator; anda control unit that controls the connection state of the first switch unit and the connection state of the second switch unit.2. The power supply device for a vehicle according to claim 1 , wherein:during first starting of the internal combustion engine, the control unit connects the first switch unit and opens the second switch unit, resulting in a first connection state in which electric power is supplied from the secondary battery to the starting device, andduring restarting of the internal combustion engine from a temporal stop state thereof, the control unit opens the first switch unit and connects the second switch unit, resulting in a second connection state in which electric power is supplied from the capacitor to the starting device.3. The power supply device for a vehicle according to claim 1 , further comprising:a direct- ...

Hybrid Vehicle

In the case where motors MG and MG are disconnected from a battery by a system main relay during stop of operation of an engine, the engine and the motor MG are controlled to cause the engine to be cranked and started by the motor MG (steps S and S to S), while the motor MG is controlled to make a voltage VH of driving-voltage system power lines (capacitor) approach a target voltage VH* (steps S and S). 1. A hybrid vehicle , comprisingan engine;a first motor that is configured to input and output power;a planetary gear that is configured to have three rotational elements connected with a rotating shaft of the first motor, an output shaft of the engine and a driveshaft linked with drive wheels such that the rotating shaft, the output shaft and the drive shaft are arrayed in this sequence on a collinear diagram;a second motor that is configured to input and output power to and from the driveshaft;a battery;a capacitor that is mounted to power lines connecting the first motor and the second motor with the battery;a relay that is provided on a battery side of the capacitor on the power lines; anda controller that is configured to control the engine, the first motor and the second motor such that the hybrid vehicle is driven with a required torque in a state that the first motor and the second motor are connected with the battery by the relay, whereinin a battery-less state that the first motor and the second motor are disconnected from the battery by the relay during stop of operation of the engine, the controller performs specified start control than controls the engine and the first motor to cause the engine to be cranked and started by the first motor, while controlling the second motor to make a voltage of the capacitor approach a target voltage.2. The hybrid vehicle according to claim 1 ,wherein the specified start control performed by the controller controls the second motor to output a power according to a power of cancelling a difference between the voltage of ...

Direct Current Power Plant

A DC power plant generating DC power from a variety of engines including a Stirling cycle engine. The DC power plant includes a relatively small start-up power source that is discontinued after the engine is running. A method for producing DC power for a load including starting up an engine using power supplied by a relatively small power supply supplemented by a capacitor bank, providing output from the engine to a generator, producing alternating current (AC) power by the generator, converting the AC power to direct current (DC) power, disabling output of the DC power during a first set of pre-selected conditions, limiting a rate of change of current of the DC power during a second set of pre-selected conditions, reducing conducted and radiated emissions of the DC power, disconnecting the DC power from the load under a third set of pre-selected conditions, and providing the DC power to the load. 1. A method for producing DC power for an electric grid comprising:measuring voltage and frequency of the electric grid;starting an engine using power supplied by a relatively small power supply supplemented by a capacitor bank if a grid supply from the electric grid is within a pre-selected range of tolerance;controlling velocity of the engine by a motor drive power board;inhibiting current flow from the motor drive power board to the capacitor bank;providing output from the engine to a generator;producing alternating current (AC) power by the generator;converting the AC power to direct current (DC) power; andproviding the DC power to the electric grid.2. The method as in further comprising:recording the voltage and frequency in a continuously running log file.3. The method as in further comprising:reporting, via CANbus, the voltage and frequency to a system controller.4. The method as in wherein the engine comprises a Stirling engine.5. The method as in wherein providing the DC power to the electric grid comprises:measuring the voltage and frequency by a first digital ...

Battery monitoring system for a vehicle and a method thereof

The present disclosure discloses a battery source monitoring system for a vehicle. The system comprises at least one current sensor configured to detect current flow from one or more accessory devices connected to an auxiliary battery source. The control unit on detecting vehicle ignition OFF condition, is configured to determine ON condition of one or more accessory devices and switch power source of the one or more accessory devices in ON condition from primary battery source to auxiliary battery source. The control unit then compares current flow received from current sensor with a predetermined threshold. When current flow detected by current sensor surpasses predetermined threshold, the control unit disconnects one or more accessory devices from auxiliary battery source and primary battery source, and switch power source of one or more accessory devices from auxiliary battery source to the primary battery source, thereby monitoring battery source of vehicle.

AUTOMATIC VEHICLE STOP RESTART SYSTEM

An electrical system for vehicles that connects multiple batteries in parallel during normal operation but isolates the cranking battery and the starter system from the other batteries and their loads when the engine is started. A common charging system simultaneously maintains all of the batteries. Efficiency and EMC considerations are addressed in the design. 1. A vehicular electrical system including an engine starting portion and a non-engine starting portion , said electrical system comprising:a main and a secondary battery, said main battery is non-switchably connected to an engine starting portion of a vehicular electrical system, said secondary battery is non-switchably connected to a non-starting portion of said vehicular system;a battery switch that, in a first switch state, is configured to connect said main and said secondary batteries and their respective loads in parallel in response to a first signal waveform, and, in a second switch state, is configured to isolate said first and second batteries and their respective loads from each other in response to a second signal waveform, wherein said signal waveforms are received via a switch control input port;a wave shaping network connected to said switch control input port, said wave shaping network comprises a separate first waveform shaping portion and a separate second waveform shaping portion;a charge switch, configured to switchably connect an electrical charge source to said first waveform shaping portion of said wave shaping network, wherein switch state of said charge switch is controlled by an externally applied command signal;a discharge switch, configured to switchably connect a charge sink to said second waveform shaping portion of said wave shaping network, wherein switch state of said discharge switch is controlled by said externally applied command signal.2. The vehicular electrical system in accordance with wherein said electrical charge source further comprises:a charge reservoir;a charge ...

Charge Transfer Function in the Event of Failed Starting

A vehicle has an internal combustion engine, with which a starter and a control unit are associated. The starter draws electrical power from a vehicle electrical system battery for an engine start. A back-up battery can be connected in parallel with the vehicle electrical system battery. An electrical connecting element is located between the vehicle electrical system battery and the back-up battery. The connecting element can be controlled by the control unit. In case the engine fails to start, the back-up battery can be connected to the vehicle electrical system battery by the connecting element in order to cause a charge transfer of a specified amount of electrical energy from the back-up battery to the vehicle electrical system battery.

On-Board Starting Module for Vehicle Engine

A starting module for a vehicle is provided. The starting module is configured to reside on-board the vehicle, and is used to start an engine associated with the vehicle in the event the battery on the vehicle is too weak to crank the engine. The engine starting module first comprises a housing. The housing resides proximate the vehicle battery and holds a plurality of super capacitors. The super capacitors reside within the housing, in series, and are electrically in parallel with the vehicle battery. The super capacitors store charge received from the electrical system of the vehicle. The starting module also includes control logic. The control logic controls the release of energy from the super capacitors. The engine starting module also comprises an isolation switch, which is configured to move between open and close positions in response to signals from the control logic.

Method and system for starting an internal combustion engine

A system for starting an internal combustion engine (ICE) having a crankshaft is introduced. An electric turning machine (ETM) is co-axially mounted to the crankshaft. The crankshaft is rotated using a recoil starter for starting the ICE. A position sensor detects the rotation of the crankshaft. While the crankshaft is rotating, an engine control unit (ECU) operatively connected to the position sensor controls a delivery of electric power from a power source to the ETM for starting the ICE. An ICE integrating the system for starting the ICE and the crankshaft with a cylinder, a cylinder head connected to the cylinder, and a piston connected to the crankshaft and disposed in the cylinder to define a variable volume combustion chamber between the piston and the cylinder head is also disclosed.

METHOD FOR OPERATING AN ELECTRIC TURNING MACHINE OPERATIVELY CONNECTED TO AN INTERNAL COMBUSTION ENGINE

A method for operating an electric turning machine (ETM) operatively connected to an internal combustion engine (ICE) are disclosed. An engine control unit (ECU) controls the ETM to operate as a motor with a first control strategy and as a generator with a second control strategy. The second control strategy is distinct from the first control strategy. The ECU controls switching the operation of the ETM from the first control strategy to the second control strategy when a sensor senses that a rotational speed of the ICE is equal to or above a minimum revolution threshold. 1. A method for operating an electric turning machine (ETM) operatively connected to an internal combustion engine , the method comprising:operating the ETM as a motor with a first control strategy;operating the ETM as a generator with a second control strategy, the second control strategy being distinct from the first control strategy; andswitching from the first control strategy to the second control strategy when a rotational speed of the internal combustion engine is equal to or above a minimum revolution threshold.2. The method of claim 1 , further comprising switching from the first control strategy to the second control strategy when a voltage of the ETM is equal to or above a voltage generation threshold.3. The method of claim 1 , further comprising switching from the first control strategy to the second control strategy when the ETM has been operating with the first control strategy for at least a minimum time duration.4. The method of claim 1 , further comprising operating the ETM as a generator in the first control strategy before switching from the first control strategy to the second control strategy.5. The method of claim 1 , wherein the ETM operates as a starter for the internal combustion engine while controlling the ETM with the first control strategy.6. The method of claim 1 , wherein pulse-width modulation (PWM) is used to control an electrical converter connected between the ETM ...

System for operating an electric turning machine operatively connected to an internal combustion engine

A system for operating an electric turning machine (ETM) operatively connected to an internal combustion engine (ICE) are disclosed. An engine control unit (ECU) controls the ETM to operate as a motor with a first control strategy and as a generator with a second control strategy. The second control strategy is distinct from the first control strategy. The ECU controls switching the operation of the ETM from the first control strategy to the second control strategy when a sensor senses that a rotational speed of the ICE is equal to or above a minimum revolution threshold.

Control device for vehicle and method of controlling vehicle

A control device for a vehicle includes: a motor generator mechanically connected to an output shaft of an engine; a main battery electrically connected to the motor generator; a sub battery electrically connected to an electric load of the vehicle; and a relay adapted to switch whether the batteries are to be electrically connected or not by turning the relay on or off. The relay is turned off during a powering operation of the motor generator, and the relay is turned on during a regenerative operation of the motor generator. It is determined that the relay is off-fixed in a case where a voltage of the second battery is a predetermined voltage or lower or a charge current of the second battery is a predetermined current or smaller in a state that a command to turn on the relay is outputted during the regenerative operation of the motor generator.

RECHARGEABLE BATTERY JUMP STARTING DEVICE WITH LEAPFROG CHARGING SYSTEM

A rechargeable battery jump starting device with a leapfrog charging system. The leapfrog charging system, for example, can sequentially charge multiple batteries of the rechargeable battery jump starting device. 1. A rechargeable battery jump starting device having a leapfrog charging system , the device comprising:a first 12V battery;a second 12V battery;an electrical control switch electrically connected to the first 12V battery and the second 12V battery, the electrical control switch having a parallel switch position for connecting the first 12V battery and second 12V battery in parallel, the electrical control switch having a series switch position for connecting the first 12V battery and second 12V battery in series; anda leap frog charger connected to the first 12V battery and second 12V battery, the charger configured for sequentially charging the first 12V battery and the second 12V battery.2. The device according to claim 1 , wherein the leapfrog charger is configured to incrementally charge the first 12V battery and the second 12V battery to maintain the first 12V battery and second 12V battery close to the same potential during sequentially charging the first 12V battery and the second 12V battery.3. The device according to claim 1 , wherein the leapfrog charger is configured to first charge the first 12V battery or second 12V battery claim 1 , whichever has the lowest voltage or charge.4. The device according to claim 1 , wherein the leapfrog charger is configured to sequentially charge the first 12V battery and second 12V battery incrementally in fixed voltage increases.5. The device according to claim 1 , wherein the leapfrog charger is configured to sequentially charge the first 12V battery and second 12V battery incrementally in varying voltage increases.6. The device according to claim 1 , wherein the leapfrog charger is configured to sequentially charge the first 12V battery and second 12V battery incrementally in random voltage increases.7. The ...

Engine starting system using stored energy

There is described a method for and system for starting at least one engine from a twin engine installation. The starting system comprises a first engine arrangement comprising a first electric machine having a single rotor dual stator configuration, a first dual channel power control unit coupled to the first electric machine, and a first dual channel full authority digital engine control (FADEC) coupled to the first dual channel power control unit; a second engine arrangement comprising a second electric machine having a single rotor dual stator configuration, a second dual channel power control unit coupled to the second electric machine, and a second dual channel full authority digital engine control (FADEC) coupled to the second dual channel power control unit; an energy storage unit coupled to the first engine arrangement and the second engine arrangement and having at least a first super-capacitor and a second super-capacitor; and a DC to DC converter configured to receive a first voltage level from a power source, increase the first voltage level to a second voltage level, and charge the first super-capacitor and the second super-capacitor to the second voltage level.

APPARATUS AND METHOD FOR CONTROLLING POWER GENERATION IN A VEHICLE

An apparatus for controlling power generation in a vehicle may include an engine, a motor connected to a crankshaft of the engine by a connecting device to generate power, a main battery supplying power to the motor, a controller diagnosing a failure of the main battery and generating a reverse output control command to reversely supply seed power for prefluxing the motor to the main battery when the failure occurs, an auxiliary battery outputting the seed power according to the reverse output control command, and a converter regulating the seed power according to the reverse output control command and supplying the regulated seed power to the motor. 1. An apparatus for controlling power generation in a vehicle , comprising:an engine;a motor connected to a crankshaft of the engine by a connecting device to generate power;a main battery supplying power to the motor;a controller configured for diagnosing a failure of the main battery and generating a reverse output control command to reversely supply seed power for prefluxing the motor to the main battery when the failure occurs;an auxiliary battery outputting the seed power according to the reverse output control command; anda converter regulating the seed power according to the reverse output control command and supplying the regulated seed power to the motor.2. The apparatus of claim 1 , wherein the vehicle controller includes:a diagnosis module diagnosing the failure of the main battery to generate diagnostic information;a determination module determining whether the failure occurs using the diagnostic information; anda prefluxing module generating the reverse output control command supplying the seed power for prefluxing the motor when the failure occurs.3. The apparatus of claim 2 , wherein the controller further includes a control module performing a limphome control mode limiting an output of the engine when a state of charge of the auxiliary battery is less than a predetermined reference value.4. The ...

APPARATUS AND METHOD FOR CONTROLLING START OF VEHICLE ENGINE

An apparatus for controlling a start of an engine may include the engine, a first motor connected to a crankshaft by a first connecting device to start the engine, a main battery supplying a start power to the first motor, a controller configured to monitor components of a vehicle according to a start command for the engine to generate diagnostic information and generating a reverse charging control command to supply the reverse charging power to the main battery as the determination result of the diagnostic information, and an auxiliary battery supplying the reverse charging power to the main battery according to the reverse charging control command. 1. An apparatus for controlling a start of an engine , comprising:the engine;a first motor connected to a crankshaft by a first connecting device to start the engine;a main battery supplying start power to the first motor;a controller configured to monitor a plurality of components of a vehicle according to a start command for the engine, and the controller is configured to generate diagnostic information and generate a reverse charging control command to supply a reverse charging power to the main battery as a determination result of the diagnostic information; andan auxiliary battery supplying the reverse charging power to the main battery according to the reverse charging control command.2. The apparatus of claim 1 , further including:a second motor supplied with the start power from the auxiliary battery when the components are in an abnormal state and connected to the crankshaft of the engine by a second connecting device.3. The apparatus of claim 2 , wherein the controller includes:a diagnostic module generating the diagnostic information;a determination module using the diagnostic information to determine a state of charge of the main battery or determine whether the components are in a normal state; anda start command module using the first motor to start the engine when depending on the determination result, ...

Combustion control method and combustion control system with variable excess air coefficient for gasoline engine

A combustion control method and a combustion control system with variable excess air coefficient for gasoline engine are provided. The combustion control method with variable excess air coefficient for gasoline engine comprises steps as follows: monitoring engine operating condition; determining current engine load condition based on the engine operating condition, wherein the engine load condition comprises part load, high load, and full load conditions; and selecting an appropriate excess air coefficient combustion mode in accordance with the current engine load condition; wherein the engine uses lean combustion mode with excess air coefficient of 1.6˜2.0 when the current engine load condition is the part load condition; the engine uses combustion mode with excess air coefficient of 1 when the current engine load condition is the high load condition; and the engine uses combustion mode with excess air coefficient of 0.8˜0.9 when the current engine load condition is the full load condition.

ENGINE STARTING SYSTEM USING STORED ENERGY

There is described a method for and system for starting at least one engine from a twin engine installation. The starting system comprises a first engine arrangement comprising a first electric machine having a single rotor dual stator configuration, a first dual channel power control unit coupled to the first electric machine, and a first dual channel full authority digital engine control (FADEC) coupled to the first dual channel power control unit; a second engine arrangement comprising a second electric machine having a single rotor dual stator configuration, a second dual channel power control unit coupled to the second electric machine, and a second dual channel full authority digital engine control (FADEC) coupled to the second dual channel power control unit; an energy storage unit coupled to the first engine arrangement and the second engine arrangement and having at least a first super-capacitor and a second super-capacitor; and a DC to DC converter configured to receive a first voltage level from a power source, increase the first voltage level to a second voltage level, and charge the first super-capacitor and the second super-capacitor to the second voltage level. 1. A method for simultaneously starting two engines in a twin engine installation having a first engine arrangement and a second engine arrangement , the method comprising:receiving a first voltage level from a power source and increasing the first voltage level to a second voltage level;charging an energy storage unit having at least a first super-capacitor and a second super-capacitor to the second voltage level;applying power to the first engine arrangement from the first super-capacitor to start a first engine; andapplying power to the second engine arrangement from the second super-capacitor to start the second engine.2. The method of claim 1 , further comprising:controlling current discharge to a first electric machine in the first engine arrangement by applying power from the first super ...

ELECTRIC POWER SYSTEM

An electric power system for a vehicle having an advanced driver assistance system (ADAS). The electric power system includes a first power source arranged for supplying electric power to the ADAS. The electric power system includes a second power source arranged for supplying electric power to the ADAS. 1. An electric power system for a vehicle having an advanced driver assistance system (ADAS) , the electric power system comprising a first power source arranged for supplying electric power to the ADAS , wherein the electric power system comprises a second power source arranged for supplying electric power to the ADAS , and the electric power system comprises a super capacitor arranged to be charged by the first power source and arranged to supply electric power to a starter motor of the vehicle2. The electric power system according to claim 1 , wherein the system comprises a super capacitor module claim 1 , the super capacitor module comprising the super capacitor and a first switch.3. The electric power system according to claim 1 , wherein the super capacity module is configured to control the first switch to connect the super capacitor to the first power supply line when a voltage of the super capacitor is below a threshold value.4. The electric power system according to claim 2 , wherein the super capacitor is configured to be charged by the first power source while being connected to the first power supply line.5. The electric power system according to claim 2 , wherein the super capacity module is configured to control the first switch to disconnect the super capacitor from the first power supply line when the super capacitor has been charged to a predetermined level.6. The electric power system according to claim 1 , wherein the super capacitor module further comprises a second switch.7. The electric power system according to claim 6 , wherein the super capacity module is configured to control the second switch to connect the super capacitor to a starter ...

ENGINE START AND BATTERY SUPPORT MODULE

An Engine Start and Battery Support Module for a vehicle is provided that utilizes a bank of Ultra Capacitors (UCs) charged with or without running the vehicle's alternator to levels that support both engine starting assistance and hotel load support. The UCs' per-cell charge can be adjusted and raised during periods of low temperatures and even higher during ultralow temperatures. The adjustment, which can be dynamic and/or automatic, increases the UC energy storage capability. Further, the release of energy from the UCs is controlled by a pulse width modulation (PWM) controller based on the DC bus voltage. The UCs can be charged either from an onboard DC/DC converter, an AC hook up, or from smartly switching the banks of UCs between parallel and serial configurations. 1. A method for regulating a voltage level of a vehicle battery in a vehicle , the method comprising:determining if the voltage level is below a predetermined voltage threshold;if the voltage level is below the predetermined voltage threshold, initiating a discharge of at least one ultracapacitor in electrical communication with the vehicle battery; andmodulating the discharge of the at least one ultracapacitor so as to raise the voltage level at least to the predetermined voltage threshold.2. The method of claim 1 , wherein the predetermined voltage threshold is determined based on at least one of vehicle battery age claim 1 , vehicle age claim 1 , vehicle battery condition claim 1 , vehicle battery quantity claim 1 , vehicle battery type claim 1 , vehicle starter type claim 1 , starter age claim 1 , temperature claim 1 , and experience of a driver of the vehicle.3. The method of claim 1 , wherein modulating the discharge of the at least one ultracapacitor comprises controlling current flow through at least one transistor in electrical communication with the at least one ultracapacitor.4. The method of claim 1 , further comprising:while a vehicle alternator is off, transferring energy from the ...

ELECTRICAL APPARATUS

An aircraft electrical apparatus includes an engine starter motor control unit configured to provide an AC input voltage to a transformer rectifier unit. The apparatus includes a transformer rectifier unit for supplying power to an aircraft DC supply bus. The engine starter motor control unit provides the AC input voltage to the transformer rectifier unit. 19-. (canceled)10. An aircraft electrical apparatus comprising:an engine starter motor control unit configured to provide an AC input voltage to a transformer rectifier unit,wherein the AC input voltage frequency is selected to be above that of an AC supply bus from which the engine starter motor control unit is supplied.11. An apparatus according to claim 10 , further comprising a transformer rectifier unit for supplying power to an aircraft DC supply bus claim 10 , wherein the engine starter motor control unit provides the AC input voltage to the transformer rectifier unit.12. An apparatus according to claim 11 , further comprising a battery for supplying power to the DC supply bus when the engine is being started.13. An apparatus according to claim 10 , further comprising a DC voltage monitoring means for measuring the output voltage from the transformer rectifier unit.14. An apparatus according to claim 13 , wherein the engine starter motor control unit is configured to adjust the AC input voltage provided to the transformer rectifier unit in response to the output voltage from the transformer rectifier unit measured by the DC voltage monitoring means.15. An apparatus according to claim 10 , wherein the AC input voltage frequency is at least 10 times the frequency of the AC supply bus.16. An apparatus according to claim 10 , wherein the AC input voltage frequency is lower than a point at which the engine starter motor control unit spends much of its switching cycle transitioning between operating states thereof.17. An apparatus according to claim 10 , wherein the AC input voltage is substantially a square wave ...

APPARATUS AND METHOD FOR STARTING ENGINE OF MILD HYBRID ELECTRIC VEHICLE

An apparatus for starting engine of mild hybrid electric vehicle according to an exemplary embodiment of the present disclosure may include: an ignition switch including a plurality of contact points; A gradient detector configured for detecting a road gradient of a road on which the vehicle is located; a state of charge (SOC) detector configured for detecting an SOC of a high voltage battery; a mild hybrid starter & generator (MHSG) including a stator and a rotor disposed inside the stator, and starting the engine or generating electricity by an output of the engine; a starter which is able to start the engine independently from the MHSG; an MHSG wheel rotating integrally with the rotor; an MHSG position detector configured for detecting a position of the MHSG; and a controller configured for determining a top dead center (TDC) of a predetermined cylinder based on a signal of the MHSG position detector. 1. An apparatus for starting an engine of a mild hybrid electric vehicle , the apparatus comprising:an ignition switch including a plurality of contact points;a gradient detector configured to detect a road gradient of a road on which the vehicle is located;a state of charge (SOC) detector configured to detect a state of charge (SOC) of a high voltage battery;a mild hybrid starter & generator (MHSG) including a stator and a rotor disposed inside the stator, the MHSG configured to start the engine or generate electricity by an output of the engine;a starter configured to start the engine independently from the MHSG;an MHSG wheel rotating integrally with the rotor;an MHSG position detector configured to detect a position of the MHSG; anda controller configured to determine a top dead center (TDC) of a predetermined cylinder based on a signal of the MHSG position detector,wherein the controller is configured to operate the MHSG and the starter to start the engine when the road gradient is greater than a predetermined gradient and the SOC of the high voltage battery is ...

APPARATUS AND METHOD FOR STARTING ENGINE OF MILD HYBRID ELECTRIC VEHICLE

An apparatus for starting engine of mild hybrid electric vehicle may include: an ignition switch; an ambient temperature detector; a state of charge (SOC) detector; a mild starter & generator (MHSG) including a stator and a rotor mounted inside the stator; a starter which is configured to start the engine independently of the MHSG; a converter which is configured to voltage-drop an electric power of a high voltage battery and supply it to the low voltage battery or the starter; an MHSG wheel rotating integrally with the rotor; an MHSG position detector; and a controller configured for determining a top dead center (TDC) of a predetermined cylinder based on a signal of the MHSG position detector. 1. An apparatus for starting an engine of a mild hybrid electric vehicle , the apparatus comprising:an ignition switch including a plurality of contact points;an ambient temperature detector configured for detecting an ambient temperature;a state of charge (SOC) detector configured for detecting a state of charge (SOC) value of a low voltage battery;a mild starter & generator (MHSG) including a stator and a rotor mounted inside the stator, and configured for starting the engine or generating electricity by an output of the engine;a starter which is configured to start the engine independently from the MHSG;a converter connected to a high voltage battery, the low voltage battery, and the starter and configured for converting an electric power of the high voltage battery into a low voltage and supplying the low voltage to the low voltage battery or the starter;an MHSG wheel connected to the rotor and rotating integrally with the rotor;an MHSG position detector configured for detecting a position of the MHSG wheel; anda controller connected to the MHSG position detector and configured for determining a top dead center (TDC) of a predetermined cylinder based on a signal of the MHSG position detector,wherein the controller connected to the starter is configured to operate the ...

RECHARGEABLE BATTERY JUMP STARTING DEVICE WITH LEAPFROG CHARGING SYSTEM

A rechargeable battery jump starting device with a leapfrog charging system. The leapfrog charging system, for example, can sequentially charge multiple batteries of the rechargeable battery jump starting device. For example, the rechargeable battery jump starting device is a portable rechargeable battery jump starting device configured for jump starting automobiles, heavy equipment, commercial vehicles, commercial equipment, trucks, buses, commercial trucks, front loaders, dozers, back hoes, excavators, rollers, fork lift, specialized commercial equipment, logging equipment, airplanes, jets, and other battery started vehicles and equipment. 1. A rechargeable battery jump starting device having a leapfrog charging system , the device comprising:a first 12V battery;a second 12V battery;an electrical control switch electrically connected to the first 12V battery and the second 12V battery, the electrical control switch having a parallel switch position for connecting the first 12V battery and second 12V battery in parallel, the electrical control switch having a series switch position for connecting the first 12V battery and second 12V battery in series; anda leap frog charger connected to the first 12V battery and second 12V battery, the charger configured for sequentially charging the first 12V battery and the second 12V battery.2. The device according to claim 1 , wherein the leapfrog charger is configured to incrementally charge the first 12V battery and the second 12V battery to maintain the first 12V battery and second 12V battery close to the same potential during sequentially charging the first 12V battery and the second 12V battery.3. The device according to claim 1 , wherein the leapfrog charger is configured to first charge the first 12V battery or second 12V battery claim 1 , whichever has the lowest voltage or charge.4. The device according to claim 1 , wherein the leapfrog charger is configured to sequentially charge the first 12V battery and second 12V ...

Electric power control apparatus

An electric power control apparatus for a vehicle includes a first determination section determining an activation of a jump start, a second determination section determining a connection of an external power source having a higher voltage than a battery voltage of the vehicle, a third determination section determining whether the engine switches to an engine start completed state, a keep section keeping an electric power generation unit of the vehicle in an electric power generation deactivated state when determining that the engine switches to the engine start completed state, a fourth determination section determining a disconnection of the external power source, and an instruction section instructing an immediate activation of the electric power generation to the electric power generation unit when determining the disconnection of the external power source.

Vehicle energy management

A computer that includes at least one processor and memory. The processor of the computer can be programmed to execute instructions stored on the memory that include controlling, based on a temperature, which of a plurality of power sources of a vehicle battery are coupled to a starter circuit during a vehicle ignition event.

ON-BOARD POWER SUPPLY APPARATUS

A power supply apparatus configures an on-board power supply system that includes a first battery and a second battery. A first module and a first detecting unit are electrically connected to the first battery as a first electrical load. A second module and a second detecting unit are electrically connected to the second battery as a second electrical load. The first module and the second module configure an electric power steering apparatus. A starter is electrically connected to the first battery. The first battery and the second battery are electrically connected by a connection path. A resistor unit is provided on the connection path. 1. An on-board power supply apparatus that is a power supply apparatus that is mounted in a vehicle including a plurality of power supplies , the on-board power supply apparatus comprising:an individual electrical load that is an electrical load individually connected to each of the plurality of the power supplies and is at least one of a sensor and an actuator for performing common control of the vehicle;a subject electrical load that an electrical load connected to at least one power supply of the plurality of power supplies;a connection path that connects the plurality of power supplies to each other during a period over which each individual electrical load is operating to perform the common control; anda resistor unit that is provided on the connection path.2. The on-board power supply apparatus according to claim 1 , wherein:a resistance value of the resistor unit is variably set by energization operation of the resistor unit being performed; and a voltage detecting unit that detects an output voltage of at least one power supply among the plurality of power supplies other than the power supply connected to the target electrical load;', 'a voltage determining unit that determines whether or not the output voltage detected by the voltage detecting unit during operation of the target electrical load is lower than a ...

Vehicle power supply device

A first power storage portion stores power generated by a generator in a vehicle, and supplies power to a motor for starting an engine and an electric device in the vehicle. A second power storage portion is connected to the first power storage portion in parallel, and stores power generated by the generator, and supplies power to the electric device in the vehicle. The first power storage portion and the second power storage portion are connected each other in parallel. A first switch is inserted in a path between the first power storage portion and the second power storage portion. A diode is connected in parallel with the first switch such that a cathode side thereof is connected to the second power storage portion side. A second switch is provided between the path and the second power storage portion.

VEHICLE ELECTRICAL SYSTEM AND METHODS

Systems and methods for supplying electrical power between two electric energy storage devices are disclosed. In one example, an electric isolation switch is held open after engine starting until a voltage of a first electric energy storage device and a voltage of a second electric energy storage device are within a threshold voltage of at least one predetermined voltage level. 1. A power delivery method for a vehicle , comprising:reducing a voltage of a low voltage primary electric energy storage device via a controller after starting an engine via power supplied by the low voltage primary electric energy storage device and before closing an electric isolation switch that selectively couples the low voltage primary electric energy storage device to a low voltage accessory electric energy storage device.2. The method of claim 1 , further comprising opening the electric isolation switch via the controller before cranking an engine.3. The method of claim 2 , further comprising cranking the engine via an electric machine that is directly electrically coupled to the low voltage primary electric energy storage device claim 2 , and where reducing the voltage is performed in response to a voltage of the primary electric energy storage device being greater than a voltage of the low voltage accessory electric energy storage device after starting the engine.4. The method of claim 1 , where the voltage of the low voltage primary electric energy storage device is reduced via a belt integrated starter/generator (BISG).5. The method of claim 4 , further comprising propelling a vehicle via a torque output from the BISG claim 4 , the torque generated via electric power consumed reducing the voltage of the low voltage primary electric energy storage device.6. The method of claim 1 , further comprising decreasing an output voltage of a belt integrated starter/generator (BISG) before closing the electric isolation switch claim 1 , the BISG electrically coupled to the low voltage ...

COORDINATED ACTUATION OF VEHICLE STOP MODES

A vehicle includes an engine operable in an auto stop-start (SS) mode. The engine is adapted to auto stop and auto start in the SS mode. The vehicle further includes a transmission operable in an idle load reduction (ILR) mode. In the ILR mode, engagement of a forward clutch is disposed in an alternate first gear state. A controller is operably connected to the engine and the transmission. The controller is programmed to command the engine to operate in the SS mode when a speed of the vehicle is below a predetermined threshold unless one or more SS inhibit conditions are present. The controller is further programmed to, when one or more SS inhibit conditions are present, inhibit operation of the engine in the SS mode and to command the transmission to operate in the ILR mode unless one or more ILR inhibit conditions are present. 1. A vehicle comprising:an engine operable in an auto stop-start (SS) mode, wherein the engine is configured to auto stop and auto start in the SS mode;a transmission operable in an idle load reduction (ILR) mode, wherein engagement of a forward clutch is disposed in an alternate first gear state in the ILR mode; anda controller operably connected to the engine and the transmission, wherein the controller is configured to command the engine to operate in the SS mode when a speed of the vehicle is below a predetermined threshold unless one or more SS inhibit conditions are present, and wherein the controller is further configured to, when one or more SS inhibit conditions are present, inhibit operation of the engine in the SS mode and to command the transmission to operate in the ILR mode unless one or more ILR inhibit conditions are present.2. The vehicle of claim 1 , wherein in the alternate first gear state claim 1 , the forward clutch is disposed in a slipping engagement.3. The vehicle of claim 1 , wherein in the alternate first gear state claim 1 , the forward clutch is disengaged from a vehicle drivetrain to operate the transmission in ...

START/STOP SYSTEM FOR VEHICLES AND METHOD OF MAKING SAME

According to some embodiments, a start-stop system for a vehicle is disclosed. The start-stop system includes a first energy storage device coupled to a starter motor. The start-stop system also includes a first DC-to-AC inverter coupled to the first energy storage device, a starter/alternator coupled to the first DC-to-AC inverter, and a second DC-to-AC inverter coupled to the starter/alternator. The start-stop system further includes a second energy storage device coupled to the second DC-to-AC inverter. The start-stop system finally includes a controller configured to control the two DC-to-AC inverters such that either the starter motor or starter/alternator starts the vehicle based on the state of charge of the second energy storage device. 1. A start-stop system for a vehicle comprising:a first energy storage device coupled to a starter motor;a first DC-to-AC inverter coupled to the first energy storage device;a starter/alternator coupled to the first DC-to-AC inverter;a second DC-to-AC inverter coupled to the starter/alternator;a second energy storage device coupled to the second DC-to-AC inverter; anda controller configured to control the two DC-to-AC inverters such that either the starter motor or starter/alternator starts the vehicle based on the state of charge of the second energy storage device.2. The start-stop system of claim 1 , further comprising a switch coupled between the first and second inverters.3. The start-stop system of claim 1 , further comprising an engine coupled to both the starter motor and starter/alternator.4. The start-stop system of claim 1 , further comprising a switch coupled between the starter motor and first energy storage device.5. The start-stop system of claim 1 , further comprising an auxiliary load coupled to the first energy storage device.6. The start-stop system of claim 1 , wherein the first energy storage device is a high specific-energy energy storage device and the second energy storage device is a high specific- ...

METHODS AND SYSTEM FOR CRANKING AN ENGINE VIA OUTPUT OF A DC/DC CONVERTER

A method for operating a vehicle that includes a DC/DC converter is described. In one example, the method includes adjusting an output voltage of the DC/DC converter after the DC/DC converter is used to crank an engine. The output voltage of the DC/DC converter may be adjusted responsive to a state of charge of an ultra-capacitor. 1. A vehicle operating method , comprising:adjusting an output voltage of a DC/DC converter directly electrically coupled to a low voltage bus and supplying electrical power to the low voltage bus via the DC/DC converter in response to an engine start request;shedding one or more electrical loads applied to the low voltage bus as a function of a state of charge of a high voltage battery in response to the engine start request, the high voltage battery electrically coupled to the DC/DC converter;cranking the engine via an electric machine, the electric machine directly electrically coupled to the low voltage bus; andadjusting the output voltage of the DC/DC converter in response to a state of charge of an ultra-capacitor directly coupled to buffered electrical vehicle loads in response to completion of the cranking of the engine.2. The method of claim 1 , where the buffered electrical vehicle loads are buffered via a diode claim 1 , and where the ultra-capacitor is directly electrically coupled to a cathode of the diode.3. The method of claim 1 , where cranking of the engine is complete when engine speed is greater than a threshold speed.4. The method of claim 3 , further comprising adjusting the output voltage of the DC/DC converter in response to a state of charge (SOC) of a battery that is directly electrically coupled to the low voltage bus.5. The method of claim 1 , further comprising adjusting the output voltage of the DC/DC converter in response to an engine temperature while the engine is stopped.6. The method of claim 1 , where the adjusting of the output voltage of the DC/DC converter in response to the engine start request ...

INTERNAL COMBUSTION ENGINE STARTING DEVICE

An internal combustion engine starting device includes: a starting requirement determination device that determines whether an internal combustion engine is required to be started when the engine stops combustion by stopping fuel supply to the engine, and the vehicle is in a freewheel running; and a driving control device that drives and rotates a motor in a starter by increasing a driving voltage to the motor from a voltage changing device for changing the driving voltage supplied to the starter in a case where a travelling speed is high to be higher than in a case where the traveling speed is low, when the internal combustion engine is required to be started. 1. An internal combustion engine starting device for a vehicle that includes: an internal combustion engine as a traveling power source; a clutch device arranged on a power transmission path for linking an output shaft of the internal combustion engine and a driving wheel; a starter having a motor for applying an initial rotation to a ring gear linked to the output shaft; and a voltage changing device for changing a driving voltage supplied to the starter , the internal combustion engine starting device comprising:a starting requirement determination device that determines whether the internal combustion engine is required to be started in a state where the internal combustion engine stops combustion by stopping fuel supply to the internal combustion engine, and the vehicle is in a freewheel running with setting a clutch device to be in a power blocking state; anda driving control device that drives and rotates the motor by increasing a driving voltage supplied to the motor from the voltage changing device in a case where a travelling speed is high to be higher than in a case where the traveling speed is low, when the starting requirement determination device that determines that the internal combustion engine is required to be started.2. The internal combustion engine starting device according to claim 1 , ...

SYSTEMS AND METHODS FOR AUXILIARY BATTERY CHARGING

A vehicle includes an engine, an alternator, and a battery bank electrically connected to the alternator via a connection line. The connection line includes a current sensor configured to measure an electrical current through the connection line. The vehicle also includes a start-stop system configured to determine, during a time when the engine is off, that a voltage of the battery bank is below a first threshold value for a first predetermined period, provide a control signal to a starter to start the engine to initiate charging of battery bank, determine, by the current sensor, that the electrical current is below a second threshold value, and in response to the determination, provide a control signal to turn the engine off to terminate the charging of the battery bank. 1. A vehicle comprising:an engine;an alternator mechanically coupled to the engine, the alternator configured to generate electrical energy from mechanical energy generated via the engine;a battery bank electrically connected to the alternator via a connection line, the connection line including a current sensor configured to measure an electrical current through the connection line, wherein the battery bank provides power to at least one accessory component of the vehicle; and determine, during a time when the engine is off, that a voltage of the battery bank is below a first threshold value for a first predetermined period;', 'provide a control signal to a starter to start the engine to initiate charging of the battery bank;', 'determine, by the current sensor, that the electrical current is below a second threshold value; and', 'in response to the determination, provide a control signal to turn the engine off to terminate the charging of the battery bank., 'a start-stop system configured to stop and restart operation of the engine in response to predetermined triggers, the start-stop system including a controller configured to2. The vehicle of claim 1 , wherein the battery bank comprises an ...

SYSTEMS AND METHODS FOR SUPPLYING POWER IN A HYBRID VEHICLE USING CAPACITORS, A BATTERY AND ONE OR MORE DC/DC CONVERTERS

A system for discharging or charging a capacitor of a hybrid vehicle according to the present disclosure includes a target state of charge (SOC) module and a capacitor charge/discharge module. The target SOC module determines a target state of charge of the capacitor based on a speed of the vehicle. The capacitor charge/discharge module determines whether a state of charge of a capacitor is greater than a target state of charge. The capacitor charge/discharge module dissipates power from the capacitor to at least one of a battery of the vehicle and an electrical load of the vehicle when the state of charge of the capacitor is greater than the target state of charge. 1. A system for controlling connections between a battery of a hybrid vehicle and at least one of a capacitor of the vehicle and electrical loads of the vehicle , the electrical loads including essential loads and nonessential loads , the system comprising:a battery monitoring module configured to determine a state of charge of the battery; and monitor the state of charge of the battery when the vehicle is off; and', 'disconnect the nonessential loads from the battery while maintaining a connection between the essential loads and the battery when the state of charge of the battery is less than a first state of charge threshold., 'a battery protection module configured to2. The system of further comprising a power management module configured to:supply a first amount of power from the battery to at least one of a starter of the vehicle and a generator of the vehicle during cranking of an engine of the vehicle; andsupply a second amount of power from the capacitor to the at least one of the starter and the generator during cranking of the engine, wherein the second amount of power is greater than the first amount of power.3. The system of wherein the battery protection module is configured to reconnect the nonessential loads to the battery when an engine start is likely to occur within a predetermined ...

Systems and methods for supplying power in a hybrid vehicle using capacitors, a battery and one or more dc/dc converters

A power management system for a hybrid vehicle including an engine includes a vehicle power bus distributing power from a battery to vehicle loads. A capacitor includes one of a plurality of supercapacitors and a plurality of ultracapacitors. A starter/generator controller communicates with the capacitor and the battery. A power management module is configured to supply current from the capacitor to the starter/generator controller during cranking of the engine; and supply current from the battery to the starter/generator controller during the cranking of the engine. The power supplied by the battery is greater than or equal to 2% and less than or equal to 20% of a total power supplied to the starter/generator controller during the cranking of the engine.

Dual Voltage Battery System For A Vehicle

A power management system for a vehicle includes a first battery monitoring module configured to monitor a first state of charge (SOC) of a first battery of the vehicle. The first battery has a first nominal voltage. A second battery monitoring module is configured to monitor a second SOC of a second battery of the vehicle. The second battery has a second nominal voltage that is greater than the first nominal voltage. A control module is configured to, using a direct current (DC) to DC converter, selectively charge the second battery with power from the first battery until the second SOC of the second battery is greater than or equal to a predetermined SOC. 1. A power management system for a vehicle , comprising:a first battery monitoring module configured to monitor a first state of charge (SOC) of a first battery of the vehicle,wherein the first battery has a first nominal voltage;a second battery monitoring module configured to monitor a second SOC of a second battery of the vehicle,wherein the second battery has a second nominal voltage that is greater than the first nominal voltage; anda control module configured to, using a direct current (DC) to DC converter, selectively charge the second battery with power from the first battery until the second SOC of the second battery is greater than or equal to a predetermined SOC.2. The power management system of further comprising a starter control module configured to selectively apply power to a starter of an engine from the second battery.3. The power management system of wherein the control module is configured to selectively charge the second battery with power from the first battery when the second SOC of the second battery at shutdown of an engine of the vehicle is less than the predetermined SOC.4. The power management system of wherein the control module is configured to:determine whether to charge the second battery with power from the first battery based on an ambient temperature at shutdown of an engine; ...

ELECTRICAL SUPPLY SYSTEM FOR A MOTOR VEHICLE, AND CORRESPONDING ELECTRONIC CONTROL MODULE

The electrical supply system according to the invention is of the type comprising, on the one hand, an electrical power network having a first voltage electrically connecting first items of equipment comprising an electrical motor/generator, an inverter/rectifier and a first electrical energy store, and, on the other hand, an electrical service network having a second voltage that is less than the first voltage electrically connecting second items of equipment comprising a second electrical energy store, an electronic control unit controlling the energy transfers between the power network and the service network by means of at least one reversible DC/DC converter. The electronic unit comprises a first electronic module supplied by the power network exchanging information with the first items of equipment, and a second electronic module supplied by the service network exchanging information with the second items of equipment and electrically insulated from the first module. 11134252161015710111131251511. Electrical supply system for a motor vehicle , of the type comprising , firstly , an electric power network () with a first nominal voltage (V) which connects electrically first items of equipment comprising a motor/electric generator () , an inverter/rectifier () , and a first electrical energy storage unit () , and , secondly , an electric service network () with a second nominal voltage (V) , lower than said first nominal voltage (V) , which connects electrically second items of equipment comprising a second electrical energy storage unit () , an electronic control unit () which controls transfers of energy between the said power network () and said service network () , by means of a reversible direct/direct converter () , wherein said electronic control unit () comprises a first electronic module () supplied by said power network () , which module exchanges information () with said first items of equipment , and a second electronic module () supplied by said ...

SEMI-ACTIVE PARTIAL PARALLEL BATTERY ARCHITECTURE FOR AN AUTOMOTIVE VEHICLE SYSTEMS AND METHODS

An automotive battery system that includes a lead-acid battery electrically coupled to a first bus, in which the lead-acid battery supplies electrical power to a starter via the first bus to cold crank an internal combustion engine of a vehicle; a lithium-ion battery electrically coupled to a second bus, in which the lithium-ion battery captures and stores electrical energy generated by a regenerative braking system when the vehicle brakes and supplies electrical power to the second bus using the electrical energy captured from the regenerative braking system such that a first portion of the second electrical power is supplied to an electrical system; and a DC/DC converter electrically coupled between the first bus and the second bus, in which the DC/DC converter controls supply of a second portion of the second electrical power to charge the lead-acid battery. 1. A battery system comprising:a first battery electrically coupled to a first bus, wherein the first battery is configured to output first electrical power to the first bus to enable a starter electrically coupled to the first bus to crank an internal combustion engine; store electrical energy generated by a regenerative braking system; and', 'output second electrical power to the second bus using the electrical energy stored in the second battery to enable the battery system to power operation of an electrical component coupled to the second bus; and, 'a second battery electrically coupled to a second bus, wherein the second battery is configured toa DC/DC converter electrically coupled between the first bus and the second bus, wherein the DC/DC converter is configured to control division of the second electrical power output from the second battery into a first portion supplied to charge the first battery via the first bus and a second portion supplied to operate the electrical component via the second bus.2. The battery system of claim 1 , wherein:the first battery comprises one or more lead-acid battery ...

Nickel supercapacitor engine starting module

This invention relates to a supercapacitor assembly having an asymmetric supercapacitor, a diode, and a switch in parallel with the diode. The asymmetric supercapacitor has at least one positive electrode, at least one negative electrode, and at least one separator impregnated with an electrolyte. The diode has an anode and a cathode, the cathode being electrically connected to the supercapacitor.