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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 6342. Отображено 100.
09-02-2012 дата публикации

Idle stop vehicle and control method thereof

Номер: US20120035817A1
Принадлежит: JATCO Ltd

An idle stop vehicle performs an idle stop to automatically stop an engine during a stop of the vehicle. The vehicle includes an idle stop condition determination unit for determining whether or not an idle stop condition holds, and an engine control unit for performing the idle stop when the idle stop condition holds before a stoppage time exceeds a specified time and prohibiting the idle stop after the stoppage time exceeds the specified time without the idle stop condition holding.

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09-02-2012 дата публикации

System for restarting internal combustion engine when engine restart request occurs

Номер: US20120035837A1
Принадлежит: Denso Corp

In a system, a starter includes a motor for rotatably driving an output shaft with a pinion and an actuator that shifts the pinion toward a ring gear to be engaged with the ring gear. A monitor unit monitors a rotational speed of the internal combustion engine. The rotational speed of the internal combustion engine drops after an automatic control for stop of the engine. When an engine restart request occurs with the rotational speed being within a preset range during the rotational speed of the internal combustion engine dropping by the automatic control for stop of the engine, a drive unit drives the actuator to shift the pinion toward the ring gear to be engaged with the ring gear. The drive unit rotatably drives the motor with the pinion being engaged with the ring gear to thereby crank the crankshaft.

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05-04-2012 дата публикации

Engine controlling apparatus

Номер: US20120083991A1
Принадлежит: Mitsubishi Motors Corp

An engine controlling apparatus includes an idle speed setting unit that sets a target idle speed upon idling of an engine mounted on a vehicle, and a target torque setting unit that sets a target torque in response to the target idle speed. The apparatus further includes an ignition timing controlling unit that controls an ignition timing and an intake air amount controlling unit that controls an intake air amount, and a steering angle detection unit that detects a steering angle. The apparatus further includes a torque value setting unit that sets a torque value in response to the steering angle. The intake air amount controlling unit controls the intake air amount in response to both the target torque and the torque value. The ignition timing controlling unit controls the ignition timing so that the engine outputs the target torque.

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31-05-2012 дата публикации

Idling control apparatus for vehicle

Номер: US20120132176A1
Принадлежит: Fuji Jukogyo KK

In an idling control apparatus for a vehicle, normally, when a predetermined idling reduction execution condition is satisfied, a signal is output to the engine control device so as to execute idling reduction for stopping the idling operation of an engine to automatically stop it. Further, it is determined whether or not a subject vehicle is stopped against an obstacle for avoidance of danger based on at least one of environmental information in front of the subject vehicle, obstacle information and a driving condition of the subject vehicle before it is stopped. When it is determined that the subject vehicle is stopped against the obstacle for avoidance of danger, automatic engine stop is prohibited.

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31-05-2012 дата публикации

Apparatus and method for guiding deactivation of battery sensor of isg vehicles

Номер: US20120133500A1
Принадлежит: Hyundai Motor Co

An apparatus and method for guiding deactivation of a battery sensor of ISG vehicles is capable of informing a driver of operation prohibition when the battery sensor mounted on the ISG vehicles is deactivated. The apparatus for guiding deactivation of a battery sensor of ISG vehicles includes a display unit displaying that the battery sensor is deactivated; and an engine control unit determining whether the battery sensor normally operates or not, and controlling a display operation of the display unit based on the determination result.

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12-07-2012 дата публикации

Method and apparatus for controlling operation of a hybrid powertrain during a key-on crank start event

Номер: US20120179312A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A method for starting an internal combustion engine in a hybrid powertrain having an electric torque machine mechanically coupled to the internal combustion engine includes monitoring a temperature state of the hybrid powertrain, determining a maximum discharging power limit of the high-voltage battery corresponding to the temperature state of the hybrid powertrain, estimating an engine drag torque associated with the temperature state of the hybrid powertrain, selecting a preferred engine cranking speed associated with the estimated engine drag torque and achievable at less than the maximum discharging power limit of the high-voltage battery, and controlling the electric torque machine to generate a magnitude of motor torque output sufficient to crank the internal combustion engine at the preferred engine cranking speed.

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26-07-2012 дата публикации

Device for Starting an Internal Combustion Engine

Номер: US20120186551A1
Принадлежит: ROBERT BOSCH GMBH

A device for starting an internal combustion engine has a meshing module which is provided for meshing a drive pinion, a starter motor, a switching module via which a starter current is suppliable to the starter motor, and a control unit which is provided for energizing the meshing module and the switching module.

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02-08-2012 дата публикации

Engine restart strategy

Номер: US20120197503A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A vehicle includes an internal combustion engine, a transmission having a neutral state and an engaged state, and a controller. The controller is configured to determine a restart condition for the engine; and to classify the restart condition as one of: (i) a no wheel torque restart condition, and (ii) a wheel torque restart condition. The state of the transmission is set based on the restart condition classification, and the engine is started.

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16-08-2012 дата публикации

method and device for determining a starter speed of a starter of a starter system

Номер: US20120209501A1
Принадлежит: ROBERT BOSCH GMBH

A method and device for determining a starter speed of a starter of a start-stop system. At least one electrical variable of the starter is ascertained during a run-up of the starter, and the current starter speed of the starter is determined as a function of it.

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23-08-2012 дата публикации

Idling stop control unit and idling stop control method

Номер: US20120215430A1
Принадлежит: Calsonic Kansei Corp, Nissan Motor Co Ltd

An idling stop control unit (ISCU) provided in a vehicle including an air conditioner (S) which controls an air conditioning state of a passenger compartment of the vehicle. The idling stop control unit includes: idling stop prohibiting means for canceling idling stop to restart an engine ( 10 ) and prohibiting execution of idling stop when a switch for changing the air conditioning state is operated during idling stop in which the engine ( 10 ) is stopped when the vehicle is at a stop; and idling stop enabling means for automatically lifting the prohibition and enabling execution of idling stop when a predetermined condition is met.

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30-08-2012 дата публикации

Charge bypass system for engine start

Номер: US20120220426A1
Принадлежит: Deere and Co

The present invention provides an engine start system in a vehicle. The engine start system includes an engine and a charge system. The vehicle also includes an engine speed sensor for measuring a speed of the engine. The charge system is coupled to the engine and includes a charge pump. The vehicle further includes a control unit and a temperature sensor for sensing a temperature of fluid in the charge system. The temperature sensor is electrically coupled to the control unit. A bypass system is fluidly coupled to the charge system and includes a valve and a solenoid. The solenoid is electrically coupled to the control unit such that the control unit energizes the solenoid to control the valve in response to the speed measured by the speed sensor and the temperature sensed by the temperature sensor.

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20-09-2012 дата публикации

Device and method for starting engine

Номер: US20120234282A1
Автор: Masafumi Sakuma
Принадлежит: Aisin Seiki Co Ltd

An engine starting method in a parallel-type hybrid vehicle comprises a motor reverse rotation driving step of applying reverse rotation current to drivingly rotate a motor output shaft in a reverse rotation direction of an engine output shaft whereby an elastic member in a damper is elastically deformed to store an urging force that urges the motor output shaft in a normal rotation direction; an urged normal rotation step of stopping the electrification to release the urging force having been stored at the motor reverse rotation driving step whereby the motor output shaft is rotated in the normal rotation direction; a motor normal rotation driving step of applying normal rotation current to drivingly rotate the motor output shaft in the normal rotation direction; and an engine start igniting step of igniting an engine with the engine output shaft being rotated by the rotation at the motor normal rotation driving step.

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11-10-2012 дата публикации

Starter machine system and method

Номер: US20120256523A1
Автор: David A. Fulton
Принадлежит: REMY TECHNOLOGIES LLC

Embodiments of the invention provide a starter machine comprising a housing. A motor can be positioned within the housing and coupled to a gear train, which can be coupled to a shaft. A switched reluctance solenoid assembly can be positioned within the housing and capable of being coupled to inverters that communicate with an electronic control unit. The switched reluctance solenoid assembly includes at least two switched reluctance stator assemblies and a rotor that is coupled to the shaft. The rotor can also include an integral pinion and is movably positioned within the switched reluctance stator assemblies. The rotor is capable of linear and rotational movement.

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11-10-2012 дата публикации

Pneumatically damped relay

Номер: US20120256714A1
Принадлежит: ROBERT BOSCH GMBH

The invention relates to a relay ( 16 ), especially for electrical starting devices for internal combustion engines. The relay ( 16 ) comprises a relay armature ( 168 ) and an armature return element ( 171 ). A fluid, enclosed in a hollow space ( 236 , Δs), between the relay armature ( 168 ) and the armature return element ( 171 ) pneumatically damps the collision between the relay armature ( 168 ) and the armature return element ( 171 ).

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18-10-2012 дата публикации

Method and apparatus for controlling an engine of a motor vehicle

Номер: US20120265427A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A method and apparatus for controlling the operation of an engine of a motor vehicle is disclosed in which the engine is restarted while the vehicle is in motion by bump starting it if the speed of the vehicle falls within predetermined speed limits but is otherwise restarted using a starter motor. The number of starts for which the starter motor is used is thereby reduced advantageously reducing wear of the starter motor and increasing the life and/or reducing the duty cycle of the battery or source of power used for the starter motor.

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08-11-2012 дата публикации

Safety improvement method of idle stop and go function

Номер: US20120280806A1
Принадлежит: Hyundai Motor Co

A safety improvement method of an Idle Stop and Go (ISG) function may include: recognizing initial conditions that senses whether an engine is restarted, when the engine is restarted by the ISG, and whether a driver operates a vehicle, and determines whether to warn the driver; warning the driver that makes the driver recognize that the engine is restarted if it is determined to warn the driver in recognizing initial conditions; and stopping the warning that stops warning the driver after warning the drive has been executed. Warning the drive may be achieved by an alarm generated from a buzzer for a predetermined time and a visual screen that is provided for the driver.

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08-11-2012 дата публикации

Vehicle start control apparatus

Номер: US20120283937A1

An apparatus includes a first switch turned ON in response to depression of a pedal, and OFF in response to depression being released; a second switch that assumes a first state in response to depression of the pedal, and a second state in response to pedal release; and a control unit that determines whether the first switch is in the first state. The control unit starts the engine, if in the first state and if the engine start switch is operated.

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15-11-2012 дата публикации

Vehicle control apparatus

Номер: US20120290179A1
Принадлежит: Toyota Motor Corp

Disclosed is a vehicle control apparatus which can prevent the deterioration of drivability. The ECU can set a control accelerator opening degree to be converted when a control permission condition is established. The control accelerator opening degree is equal to or larger than an accelerator lower limit which is larger than an idle determination value for determining an automatic stopping of an engine by an eco-run. The control accelerator opening degree thus set can prevent the drivability from being deteriorated without the automatic stopping of the engine being caused even if the accelerator opening degree is converted to reduce the torque of the engine with the establishment of the control permission condition.

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29-11-2012 дата публикации

Noise-optimized starter device

Номер: US20120299417A1
Автор: Gerd Dornhoefer
Принадлежит: ROBERT BOSCH GMBH

The invention relates to a starter device ( 10 ) for cranking an internal combustion machine in a vehicle, having a pinion shaft ( 202 ) comprising a cranking pinion ( 22 ) at the front end and a pinion shaft ( 204 ) at the opposite end, slidingly guided and supported on a drive shaft ( 44 ) of the starter device ( 10 ) and received in a bearing by a bearing shell ( 210 ) of the starter device ( 10 ), characterized in that the cranking pinion ( 22 ) has a solid lubricant coating ( 216 ) at least in the area of the circumferential toothing ( 143 ).

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03-01-2013 дата публикации

Starter supply network

Номер: US20130000585A1
Принадлежит: ROBERT BOSCH GMBH

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.

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07-02-2013 дата публикации

Engine start stop inhibit system and method

Номер: US20130035839A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A system includes a first module configured to determine at least one of a position of a vehicle, an elevation level of the vehicle and a road grade at the position of the vehicle. A second module configured to inhibit an autostop of an engine including generating a start-stop signal based on the at least one of the position of the vehicle, the elevation level of the vehicle and the road grade at the position of the vehicle. An actuator control module configured to prevent the autostop by adjusting at least one of a spark parameter, a fuel parameter and an air flow parameter of the engine based on the start-stop signal.

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07-03-2013 дата публикации

Engine control unit, engine control system and engine control method

Номер: US20130060455A1
Автор: Shinji Kawasumi

An engine control method includes: a step of running the engine in a forward direction by driving a motor that applies a torque to a crank of the engine in the forward direction in a case where the crank angle of the engine does not lie in the first section; a step of removing any load from the motor in a case where the crank angle of the engine lies in the first section; a step of braking the motor in a case where it is determined in the sixth step that the crank angle of the engine lies in the second section; and a step of running the engine in the forward direction by driving the motor in the forward direction in a case where it is determined that there is the request for restart of the engine.

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18-04-2013 дата публикации

Hybrid vehicles

Номер: US20130096752A1
Принадлежит: PAICE LLC

A hybrid vehicle comprises an internal combustion engine, a traction motor, a starter motor, and a battery bank, all controlled by a microprocessor in accordance with the vehicle's instantaneous torque demands so that the engine is run only under conditions of high efficiency, typically only when the load is at least equal to 30% of the engine's maximum torque output. In some embodiments, a turbocharger may be provided, activated only when the load exceeds the engine's maximum torque output for an extended period; a two-speed transmission may further be provided, to further broaden the vehicle's load range. A hybrid brake system provides regenerative braking, with mechanical braking available in the event the battery bank is fully charged, in emergencies, or at rest; a control mechanism is provided to control the brake system to provide linear brake feel under varying circumstances.

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13-06-2013 дата публикации

Idle reduction controller for engine

Номер: US20130151130A1
Принадлежит: Denso Corp

When a vehicle speed is decreased to a first deceleration threshold value which is greater than zero, an idle reduction controller executes a first engine-shut-down to automatically shut down an engine. In a monitoring period from when the vehicle speed falls below a second deceleration threshold value which is greater than the first deceleration threshold value until when the vehicle speed becomes the first deceleration threshold value, when a steering operation is conducted by a driver, the first engine-shut-down is prohibited. Then, when the vehicle speed exceeds the second deceleration threshold value, a prohibition of the first engine-shut-down is canceled.

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13-06-2013 дата публикации

Remote starter

Номер: US20130151132A1
Принадлежит: Denso Ten Ltd

A remote starter is installed in a vehicle for executing starting control of a driving apparatus of the vehicle, and executes the starting control of the driving apparatus in response to a request for starting received from an information processor that is located outside the vehicle. The remote starter includes a communicator that communicates with the information processor by transmitting and receiving information and a controller that obtains time information at a time of starting the driving apparatus. The communicator transmits the time information at the time of starting to the information processor at the time of starting the driving apparatus in response to the request for starting received from the information processor.

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01-08-2013 дата публикации

Engine restart control device

Номер: US20130197759A1
Принадлежит: Suzuki Motor Corp

There is provided an engine restart control device. A controller is configured to stop an engine which is adapted to generate a driving force for running a vehicle when a predetermined stop condition is met and configured to restart the engine when a predetermined restart condition is met after stopping the engine. A steering torque detector is configured to detect a steering torque of a steering handle which is adapted to be operated by a driver. A reaction force generator is configured to give a steering reaction force to the steering handle. The controller restarts the engine when the steering torque detected by the steering torque detector exceeds a predetermined threshold and control the reaction force generator to give the steering reaction force to the steering handle until the steering torque detected by the steering torque detector exceeds the predetermined threshold.

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08-08-2013 дата публикации

Engine systems with efficient start control logic

Номер: US20130204506A1
Принадлежит: Honeywell International Inc

An engine system for starting a gas turbine engine is provided. The system includes a starter generator coupled to the gas turbine engine and configured to provide torque to the gas turbine engine and a controller coupled to the starter generator and configured to provide a command signal to the starter generator. The starter generator provides the torque to the gas turbine engine based on the command signal, and the controller is configured to command the starter generator at a dwell speed until ignition.

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15-08-2013 дата публикации

Electrical machine

Номер: US20130207490A1
Принадлежит: Controlled Power Technologies Ltd

An integrated starter generator device comprising a housing, a stator and a rotor contained within the housing, the device further comprising control electronics operable to configure the device as either a starter or generator and contained entirely within the housing. The device may include a high current terminal having brass and rubber bonded together. The rubber forms both a sealing and an insulating function.

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12-09-2013 дата публикации

Method and system for estimating fuel composition

Номер: US20130238217A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

Methods and systems are provided for operating a fuel system configured to deliver a gaseous fuel to an engine. Following tank refilling, the fuel composition is selectively updated based on fuel tank pressure, temperature, and air content data. When the engine is subsequently restarted, the fuel rail is primed for a duration based on the updated composition.

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12-09-2013 дата публикации

Engine automatic stop/restart device

Номер: US20130238224A1
Принадлежит: Mitsubishi Electric Corp

An engine automatic stop/restart device includes an ignition-prohibition-decision unit that prohibits an ignition for an engine, which is controlled by the ignition-control unit, when a reverse rotation of the engine is detected based on a crank-angle signal; and an ignition-prohibition-release-decision unit that releases an ignition prohibition, after the ignition is prohibited by the ignition-prohibition-decision unit; in which the ignition-prohibition-release-decision unit releases the ignition prohibition when regular rotational signals of the engine, of which count is greater than or equal to a predetermined count, is detected and an engine revolution number is greater than or equal to a predetermined revolution number, after the reverse rotation of the engine is detected, and before a crank is positioned at a compression top dead center of the engine.

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19-09-2013 дата публикации

Engine start assist system

Номер: US20130239921A1
Автор: Petter Almhagen
Принадлежит: Volvo Car Corp

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.

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26-09-2013 дата публикации

Battery management system for restricted idle vehicles

Номер: US20130249468A1

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.

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03-10-2013 дата публикации

Hybrid vehicle control device

Номер: US20130261865A1
Автор: Yoshimasa Toki
Принадлежит: Nissan Motor Co Ltd

A control system is provided for controlling a hybrid vehicle that includes an internal combustion engine; an electric motor for starting the internal combustion engine; an inverter for controlling the electric motor; a clutch for selectively connecting and disconnecting power transmission between the internal combustion engine and the electric motor; and a battery for supplying power to the electric motor. The control device includes: a voltage detection unit for detecting the voltage of the battery a voltage control unit for controlling the output of the battery in accordance with a first power value currently available within the voltage limit range of the battery; and an internal combustion engine starting unit for engaging the clutch to start engine while controlling the inverter in accordance with the output from the battery that in turn is controlled by the voltage control unit.

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10-10-2013 дата публикации

Vehicle Control Device

Номер: US20130268181A1
Принадлежит: HITACHI AUTOMOTIVE SYSTEMS LTD

A vehicle control device is provided with an idle reduction system for performing automatic stopping and automatic starting of the internal combustion engine, where the idle reduction system includes a starter that separately causes movement of a pinion gear and driving of a motor, and a semiconductor switching element that controls the movement of the pinion gear and the driving of the motor, the control device being provided with a means for detecting or estimating that the internal combustion engine reversely rotates in a process in which the internal combustion engine stops rotating and a means for inhibiting the driving of the motor by the semiconductor switching element for a predetermined period of time in the case where the reverse rotation is detected or estimated.

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17-10-2013 дата публикации

Electric machine and method for operating an electric machine

Номер: US20130270944A1
Принадлежит: ROBERT BOSCH GMBH

An electric machine for starting an internal combustion engine, comprising a housing ( 10 ) having at least one sealing device ( 14 ) which seals an interior ( 10 a) of the housing with respect to the surroundings of the housing ( 10 ), and at least one pressure reduction device ( 1 ), wherein the at least one pressure reduction device ( 1 ) is embodied so as to be moveable in a translatory fashion relative to the at least one sealing device ( 14 ) in order to form, in the case of an overpressure in the interior ( 10 a ) of the housing, at least one venting duct via which an at least partial reduction in pressure is ensured.

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17-10-2013 дата публикации

In-vehicle informing device and informing method

Номер: US20130271276A1
Автор: Koudai Okada
Принадлежит: Denso Corp

The present disclosure provides an in-vehicle informing device equipped in a vehicle including an idle stop system so that a driver is prevented from mistaking an engine stop state by the idle stop system for the engine stop state by an OFF position of an ignition switch. The device first determines whether an engine is automatically stopped by the idle stop system. The device determines whether a stop state of the vehicle corresponds to specific drive suspending condition when the engine is automatically stopping by the idle stop system. The device informs the driver that the engine is automatically stopped by the idle reduction function, utilizing an information giving portion equipped in the vehicle when the driver is judged as in the drive suspending state.

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14-11-2013 дата публикации

System and method for preventing misfire during engine startup

Номер: US20130304362A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A system according to the principles of the present disclosure includes a stop-start module and a throttle control module. The stop-start module stops an engine when a driver depresses a brake pedal while an ignition system is on and the engine is idling. The throttle control module selectively opens a throttle valve when fuel injection in the engine is stopped while the ignition system is on based on engine speed and a manifold pressure within an intake manifold. The stop-start module starts the engine when the driver releases the brake pedal.

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19-12-2013 дата публикации

Idle stop control device

Номер: US20130338908A1
Принадлежит: Nissan Motor Co Ltd

Disclosed is an idle stop control device that automatically shuts down an engine when a first condition is satisfied, and then restarts the engine using a starter to which electricity is fed through a brush when a second condition is satisfied, the idle stop control device including a start-operation brush wear amount computing unit that is configured to compute a brush wear amount in a single start operation, a total brush wear amount computing unit that is configured to compute a total brush wear amount by integrating the brush wear amount in a single start operation, and an automatic engine shutdown prohibiting unit that is configured to prohibit an automatic engine shutdown when the total brush wear amount is equal to or larger than a warranty driving wear amount of the starter.

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20-02-2014 дата публикации

Hybrid powertrain with geared starter motor and belt alternator starter and method of restarting an engine

Номер: US20140052321A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A hybrid powertrain has an engine, a starter motor, and a gear train that connects the starter motor with the engine, and a motor/generator. A belt drive train connects the motor/generator with the engine. The powertrain has a first energy storage device with a first operating range of voltage and a second energy storage device with a second operating range of voltage at least partially in common with the first operating range of voltage. A controller places a switching device in an on-state so that the first energy storage device is connected with the second energy storage device or in an off-state in which the first energy storage device is disconnected from the second energy storage device. The controller causes the switching device to be in the off-state and the starter motor and the motor/generator to be powered with energy from the first energy storage device to restart the engine.

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06-03-2014 дата публикации

Dynamic filtering for stop/start vehicle launch preparation

Номер: US20140066256A1
Автор: Hai Yu, Mathew Alan Boesch
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A vehicle includes an engine configured for automatic shutdown and restart. The vehicle is provided with a controller that is configured to restart the engine when a difference between an actual brake pressure and a filtered brake pressure is greater than a threshold value. The filtered brake pressure is dependent upon a magnitude of the actual brake pressure and a rate of change of the actual brake pressure.

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04-01-2018 дата публикации

Driver Initiated Remote Engine Start for Vehicle Preconditioning Having Battery Charge Maintenance Priority

Номер: US20180003142A1
Принадлежит: FORD GLOBAL TECHNOLOGIES, LLC

A method includes remotely starting an engine of a vehicle in response to a command, from a remote user of the vehicle, to start the engine for preconditioning the vehicle. The method assesses a charge level of a battery of the vehicle following engine start and adjusts engine-on time and vehicle settings to prioritize battery charge maintenance versus preconditioning based on the charge level. Another method for remotely starting the engine includes notifying, from the vehicle, the user that the battery has a charge level below a predetermined threshold. This method includes remotely starting the engine to charge the battery with energy from the engine upon receiving from the user a confirmation to start the engine. 1. A method comprising:remotely starting an engine of a vehicle;adjusting apportionment of battery charging versus vehicle preconditioning based on a charge level of a battery of the vehicle; andcharging the battery with energy from the engine apportioned for battery charging and preconditioning the vehicle with energy from the engine apportioned for vehicle preconditioning.2. The method of wherein:adjusting apportionment occurs over time such that the energy from the engine apportioned for battery charging decreases as the charge level of the battery rises and the energy from the engine apportioned for vehicle preconditioning increases as the charge level of the battery rises.3. The method of wherein:charging the battery with energy from the engine ceases upon the charge level of the battery rising to a predetermined threshold and preconditioning the vehicle with energy from the engine includes using all the energy from the engine upon the charge level of the battery rising to the predetermined threshold.4. The method of wherein:adjusting apportionment includes adjusting engine-on time and vehicle settings to prioritize battery charging versus vehicle preconditioning based on the charge level of the battery.5. The method of wherein:remotely starting ...

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07-01-2021 дата публикации

METHOD OF CONTROLLING ENGINE RESTART OF VEHICLE

Номер: US20210003107A1
Принадлежит:

A method of controlling engine restart may include selecting, by a start controller, a first start situation and a second start situation for restarting an engine; determining a current possible start-up through the first and second start situations; prioritizing possible start-ups; and attempting to restart the engine by setting the first and second start situations as first start control and second start control, respectively, based on the priorities of the start-ups. 1. A method of controlling engine restart , comprising:selecting, by a start controller, a first start situation and a second start situation for restarting an engine of a vehicle;determining, among possible start-ups, current possible start-ups for each of the first and second start situations;prioritizing the current possible start-ups for each of the first and second start situations; andattempting to restart the engine by setting the first and second start situations as first start control and second start control, respectively, based on the priorities of the start-ups.2. The method of claim 1 , wherein the possible start-ups comprise an inertial start claim 1 , an MHSG start claim 1 , a starter start claim 1 , and an injection start claim 1 , wherein the inertial start claim 1 , the starter start claim 1 , and the MHSG start are applied to the first start control claim 1 , and wherein the injection start claim 1 , the starter start claim 1 , and the MHSG start are applied to the second start control.3. The method of claim 1 , wherein the first start control and the second start control are selected by start situation determination control claim 1 , and the start situation determination control comprises a first restart situation for the first start control and a second restart situation for the second start control by an engine speed when there is no key start request.4. The method of claim 3 , wherein the engine speed is a revolution per minute (RPM) of the engine claim 3 , and the first and ...

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03-01-2019 дата публикации

SYSTEMS AND METHODS FOR CONTROLLING AN ENGINE AND HAZARD LIGHTS BASED ON START/STOP SWITCH ACTUATION

Номер: US20190003582A1
Принадлежит:

A torque request module is configured to, while a vehicle speed is greater than a predetermined speed, decrease a torque request in response to a first signal from a start/stop switch being in a first state continuously for greater than a first predetermined period and less than a second predetermined period. A control module is configured to, as the torque request decreases, decrease torque output of at least one of an engine and an electric motor. A light control module is configured to: selectively turn exterior hazard lights on and off in response to a second signal from a hazard light switch being in a first state; and selectively turn the exterior hazard lights on and off in response to the first signal from the start/stop switch being in the first state continuously for greater than the first predetermined period. 1. A hazard light control system of a vehicle , comprising:a torque request module that is configured to, while a vehicle speed is greater than a predetermined speed, decrease a torque request in response to a first signal from a start/stop switch of the vehicle being in a first state continuously for greater than a first predetermined period and less than a second predetermined period,wherein the second predetermined period is greater than the first predetermined period;a control module configured to, as the torque request decreases, decrease torque output of at least one of an engine of the vehicle and an electric motor of the vehicle; and selectively turn exterior hazard lights of the vehicle on and off in response to a second signal from a hazard light switch of the vehicle being in a first state; and', 'selectively turn the exterior hazard lights on and off in response to the first signal from the start/stop switch being in the first state continuously for greater than the first predetermined period., 'a light control module configured to2. The hazard light control system of wherein:the torque request module is further configured to, while the ...

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02-01-2020 дата публикации

VEHICLE POWER SUPPLY APPARATUS

Номер: US20200003843A1
Автор: Kinoshita Takahiro
Принадлежит:

A vehicle power supply apparatus includes first and second power supply systems, an accumulator sensor, and an abnormality determination unit. The first power supply system includes a generator and a first electrical energy accumulator. The second power supply system includes a second electrical energy accumulator and a group of electric devices. The accumulator sensor detects at least a discharge current of the second electrical energy accumulator. The abnormality determination unit determines that the second electrical energy accumulator is abnormal on the condition that the accumulator sensor is normal and the discharge current of the second electrical energy accumulator is equal to or smaller than a current threshold. 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 generator and a first electrical energy accumulator, the generator being coupled to the engine, and the first electrical energy accumulator being able to be coupled to the generator;a second power supply system including a second electrical energy accumulator and a group of electric devices, the second electrical energy accumulator being coupled in parallel to the first electrical energy accumulator, and the group of the electric devices being coupled to the second electrical energy accumulator;an accumulator sensor configured to detect at least a discharge current of the second electrical energy accumulator; andan abnormality determination unit configured to determine that the second electrical energy accumulator is abnormal on a condition that the accumulator sensor is normal and the discharge current of the second electrical energy accumulator is equal to or smaller than a current threshold.2. The vehicle power supply apparatus according to claim 1 , wherein the current threshold is set at a smaller value than a value of a current to be discharged from the second electrical ...

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01-01-2015 дата публикации

System and method for controlling driving mode of hybrid vehicle

Номер: US20150005999A1
Принадлежит: Hyundai Motor Co, Kia Motors Corp

A system and method for controlling a driving mode of a hybrid vehicle are provided. The method includes setting, by a controller, an engine-on control level based on an SOC (state of charge) of a battery and calculating a compensation factor based on a speed of the vehicle and a road gradient. The controller is configured to reflect the compensation factor in the engine-on control level and calculate a compensated engine-on control level. In addition, the method includes comparing, by the controller, a driver expectation power to the compensated engine-on control level and starting the engine when the driver expectation power is greater than the compensated engine-on control level.

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08-01-2015 дата публикации

Engine starting device

Номер: US20150007695A1
Принадлежит: Nissan Motor Co Ltd

An engine starting device is basically provided with a resistor, a bypass circuit and a switch. The resistor is configured to be disposed in series between a starter motor and a battery. The bypass circuit is disposed in parallel with respect to the resistor. The switch is configured to selectively open and close the bypass circuit, the switch opening the bypass circuit in response to commencement of engine startup, and closing the bypass circuit in response to the battery voltage approaches a maximum value during engine startup.

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20-01-2022 дата публикации

Vehicle control method

Номер: US20220017087A1
Принадлежит: Jaguar Land Rover Ltd

The present invention relates to a method of controlling a vehicle. The method comprises stopping (12) an engine (2) of the vehicle (1) when a speed of the vehicle (1) is greater than or equal to a speed threshold, and inhibiting (17) starting of the engine (2) if the speed of the vehicle (1) falls below the speed threshold and a driver demand for braking force is less than or equal to a braking force threshold. Further aspects of the invention relate to a control system, a system and a vehicle.

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12-01-2017 дата публикации

FUEL FILTER

Номер: US20170009716A1
Автор: Braunheim Michael
Принадлежит:

A fuel filter for a fuel supply system of an internal combustion engine may include a filter housing, which may have an untreated-side inlet, a treated-side outlet, and an untreated-side return line. The fuel filter may also include a filter element arranged in the filter housing, and a closure element, which in an operationally ready state of the fuel filter may close off the return line. The fuel filter may include an untreated space and a treated space, and may separate in the filter housing the untreated space communicating with an inlet and the return line from the treated space communicating with the outlet. The fuel filter may further include a pressure sensor configured to measure a pressure build-up in the treated space, wherein the fuel filter may be configured to enable the pressure build-up to reach a predetermined threshold at which the engine may be started. 120.-. (canceled)21. A fuel filter for a fuel supply system of an internal combustion engine , comprising:a filter housing, which has an untreated-side inlet, a treated-side outlet and an untreated-side return line;a filter element which is arranged in the filter housing, the filter element including an untreated space and a treated space, and which separates in the filter housing the untreated space communicating with an inlet and the return line from the treated space communicating with the outlet;a closure element, which in an operationally ready state of the fuel filter closes-off the return line; anda pressure sensor configured to measure a pressure build-up in the treated space, wherein the fuel filter is configured to enable the pressure build-up to reach a predetermined threshold at which the engine is started.22. The fuel filter according to claim 21 , wherein the closure element is configured at the filter element claim 21 , and claim 21 , with the filter element inserted into the filter housing claim 21 , closes-off the return line.23. The fuel filter according to claim 21 , wherein the ...

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11-01-2018 дата публикации

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

Номер: US20180010567A1
Автор: HIROOKA Hisato
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A control device for an internal combustion engine is programmed, during a catalyst warm-up control, to perform first fuel injection by an injector in an intake stroke, control an ignition device so as to generate a discharge spark in a predetermined period in an expansion stroke, and perform second fuel injection, at a timing retarded from a compression top dead center, such that its injection period overlaps with at least a part of the predetermined period and an end timing of the injection period is advanced from an end timing of the predetermined period. Further, the control device is programmed, during the catalyst warm-up control, to control an actual tumble ratio depending on a result of determination using a first index value representing a speed of initial combustion accompanying an ignition by the ignition device and a second index value representing a speed of main combustion accompanying the ignition. 1. A control device for an internal combustion engine that includes:an ignition device arranged in a vicinity of a center of an upper part of a combustion chamber, and includes a spark plug for igniting an air-fuel mixture in a cylinder using a discharge spark;an injector arranged nearer to an intake valve than the spark plug in the vicinity of the center of the upper part of the combustion chamber, and includes one or more injection holes provided such that a contour surface of a fuel spray injected from the one or more injection holes toward the spark plug passes under an electrode portion of the spark plug;an in-cylinder pressure sensor configured to detect in-cylinder pressure; andan exhaust gas purification catalyst configured to purify exhaust gas from the combustion chamber,wherein a tumble flow that flows so as to go toward a side of an exhaust valve from a side of the intake valve in the upper part of the combustion chamber is generated in the combustion chamber of the internal combustion engine,wherein the control device comprises:a tumble flow ...

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10-01-2019 дата публикации

APPARATUS AND METHOD FOR RETROFIT ENGINE START/STOP AND IDLE CONTROL

Номер: US20190010910A1
Автор: ARNOT Roger
Принадлежит:

A retrofit engine start/stop control system includes a programmable logic controller, an engine block temperature sensor to measure an external engine temperature, an ambient temperature sensor, an ignition circuit connector, a battery voltage sensor and an engine speed sensor. The programmable logic controller includes computer executable instructions to start the engine when at least one of an external engine block temperature, an ambient air temperature and a battery output voltage fall below a predefined threshold value for startup. A related method for retrofit engine start/stop idle control includes activating a programmable logic controller to control stop and start and idle control functions of an internal combustion engine; measuring an engine block temperature, ambient temperature, and battery system voltage; determining if all of the monitored values exceed corresponding predetermined threshold values for shutdown; and shutting down the engine if all of the monitored values exceed corresponding predetermined threshold values. 1. A retrofit engine start/stop control system comprising:a programmable logic controller comprising computer executable instructions for control stop and start functions of an internal combustion engine;an engine block temperature sensor operable to directly measure an external temperature of an internal combustion engine;an ambient air temperature sensor operable to measure the ambient air temperature outside an engine compartment;an ignition circuit connector operable to energize an ignition circuit of an internal combustion engine to initiate starting of the engine;a battery voltage sensor operable to measure the output voltage of an alternator and/or starter battery for the engine; andan engine speed sensor operable to measure the rotational speed of the engine (RPM);wherein, the computer executable instructions comprise instructions to initiate starting of the internal combustion engine when at least one of an external engine ...

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12-01-2017 дата публикации

VEHICLE INFORMATION RECORDING DEVICE, PROGRAM THEREFOR, VEHICLE INFORMATION RECORDING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

Номер: US20170011565A1
Автор: KAYANO Masayoshi
Принадлежит:

A vehicle information recording device includes: a first control device that continuously stores, into a data storage device, vehicle information indicative of a state of a vehicle having an engine; a first determination device that determines whether the engine is stalled; a second control device that stores engine stall information into the storage unit when the first determination device determines that the engine is stalled while the first control device is storing the vehicle information into the data storage device; and a second determination device that determines whether the engine starts. When the second determination device determines that the engine starts, and the engine stall information is stored in the storage unit, the first control device starts storing the vehicle information into the data storage device. 1. A vehicle information recording device comprising:a first control device that continuously stores, into a data storage device, vehicle information indicative of a state of a vehicle having an engine as a traveling drive source;a first determination device that determines whether the engine is stalled;a second control device that stores engine stall information into the storage unit when the first determination device determines that the engine is stalled while the first control device is storing the vehicle information into the data storage device; anda second determination device that determines whether the engine starts, wherein:when the second determination device determines that the engine starts, and the engine stall information is stored in the storage unit, the first control device starts storing the vehicle information into the data storage device.2. The vehicle information recording device according to claim 1 , wherein:the first control device starts storing the vehicle information into the data storage device when the second determination device determines that the engine starts, the engine stall information is recorded in the ...

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09-01-2020 дата публикации

METHOD FOR MANAGING A TRANSIENT PHASE OF THE STARTING OF A HEAT ENGINE BY AN ELECTRIC MOTOR

Номер: US20200011281A1
Принадлежит:

Disclosed is a method for managing the starting of a combustion engine of a hybrid drive system including a combustion engine and an electric machine, as well as a drive shaft, the electric machine producing torque to start the combustion engine and drive the drive shaft at least during an initial phase of the start. In a transient starting phase, the combustion engine drives the drive shaft and the electric machine is stopped. The electric machine is regulated, during the initial phase and transient phases, with a first engine speed setpoint. The transient phase begins when the drive shaft reaches the first engine speed setpoint and remains steady. Torque control produced by the electric machine during the transient starting phase being configured so that the electric machine is stopped as soon as the control determines that the torque produced by the electric machine is tending toward zero torque. 1. A method for managing the starting of a combustion engine of a hybrid drive system comprising a combustion engine and an electric machine (BSG) , as well as a drive shaft (X) having an engine speed , the electric machine (BSG) producing torque to start the combustion engine and drive the drive shaft (X) at least during an initial phase of the start , said method having a transient starting phase during which the combustion engine drives the drive shaft (X) and on completion of which the electric machine (BSG) is stopped , wherein the electric machine (BSG) being regulated , during the initial phase (ELEC) and during the transient phase , with a first engine speed setpoint (N_SP_IS) , said transient phase beginning when the drive shaft (X) reaches the first engine speed setpoint (N_SP_IS) and remains steady , the injection of fuel into the combustion engine to drive the drive shaft (X) being allowed once said drive shaft has reached said first engine speed setpoint (N_SP_IS) , and the combustion engine being regulated , during the transient phase , with a second engine ...

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15-01-2015 дата публикации

Torque Transmission Mechanism

Номер: US20150013495A1
Принадлежит: SKF AB

A torque transmission mechanism for an internal combustion engine, adapted to transmit a starting torque from a starter motor to a crankshaft of the internal combustion engine. A ring gear of the mechanism transmits the starting torque, and a one-way clutch (including an inner ring and an outer ring) disposed between the ring gear and the crankshaft. The ring gear comprises lubrication holes allowing lubricant to transfer from the internal combustion engine towards the one-way clutch. The torque transmission mechanism comprising at least one sealing element adapted to prevent lubricant from passing between an outer surface of the one-way clutch outer ring and a ring gear inner surface. The one-way clutch outer ring comprises a chamfered surface inclined with respect to a central axis of the mechanism and diverging respective to the central axis of the mechanism from the lubrication holes of the ring gear towards the sealing element.

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03-02-2022 дата публикации

Methods and system for estimating engine torque at low temperatures

Номер: US20220034274A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A method and system for operating a vehicle that includes an integrated starter/generator and a driveline disconnect clutch is described. In one example, the method estimates engine torque as a function of engine temperature during cold engine starts so that if an estimate of engine torque is in error, the integrated starter/generator may still successfully start the engine.

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03-02-2022 дата публикации

METHODS AND SYSTEM FOR ADAPTIVELY SWITCHING AN ENGINE STARTING DEVICE

Номер: US20220034287A1
Принадлежит:

A method and system for operating a vehicle that includes a plurality of engine starting devices and an internal combustion engine is described. In one example, the method selects one of a plurality of engine starting devices to start an engine based on durability metrics of each of the plurality of engine starting devices. In addition, engine starting device selection may be based on calibration parameters that are generated via a server that is external to the vehicle. 1. A method for operating a vehicle , comprising:selecting a preference for a first engine starting device in response to vehicle attributes;selecting a preference for a second engine starting device in response to engine starting device attributes, where the engine starting device attributes include a total number of engine starts generated divided by a distance traveled by the vehicle;selecting an engine starting device via a controller in response to the preference for the first engine starting device and the preference for the second engine starting device; andstarting an engine via the engine starting device.2. The method of claim 1 , further comprising referencing a table or a function via the preference for the first engine starting device.3. The method of claim 2 , further comprising referencing the table or the function via the preference for the second engine starting device.4. The method of claim 3 , where the engine is started based on output from the table or function and further comprising:adjusting a minimum driver demand torque at which automatic engine pull-down is permitted.5. The method of claim 1 , where the vehicle attributes include vehicle speed claim 1 , engaged transmission gear claim 1 , and propulsion pedal position and further comprising:adjusting a driveline torque reserve and a transmission shifting schedule in response to engine starting devices that are available for starting the engine.6. (canceled)7. The method of claim 1 , where the engine starting device is ...

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03-02-2022 дата публикации

METHODS AND SYSTEM FOR INHIBITING AUTOMATIC ENGINE STOPPING

Номер: US20220034288A1
Принадлежит:

A method and system for operating a vehicle that includes a plurality of engine starting devices and an internal combustion engine is described. In one example, the method determines whether or not to inhibit automatic engine stopping so that a lifespan of an engine starting device may be extended. In one example, the inhibiting is based on a ratio of an actual total number of engine starts generated via the engine starting device to an actual total distance traveled by the vehicle since the engine starting device was installed. 1. A method for operating a vehicle , comprising:inhibiting an automatic engine pull-down via a controller based on a minimum engine running time for enabling automatic engine pull-down and based on a minimum vehicle travel distance for enabling automatic engine pull-down.2. The method of claim 1 , further comprising cranking an engine via one of a plurality of engine starting devices.3. The method of claim 1 , where inhibiting the automatic engine pull-down is further based on an amount of continuous engine run time since an engine most recently stopped being less than the minimum engine running time for enabling automatic engine pull-down.4. The method of claim 1 , where inhibiting the automatic engine pull-down is further based on an actual total distance traveled by a vehicle since an engine began continuously running after the engine most recently stopped being less than the minimum vehicle travel distance for enabling automatic engine pull-down.5. The method of claim 1 , further comprising requesting the automatic engine pull-down in response to vehicle operating conditions.6. The method of claim 5 , where the vehicle operating conditions include vehicle speed and brake pedal position.7. The method of claim 1 , where the automatic engine pull-down includes ceasing fuel delivery to an engine.8. A vehicle system claim 1 , comprising:an internal combustion engine;a plurality of engine starting devices; anda controller including executable ...

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21-01-2016 дата публикации

Vehicle control apparatus

Номер: US20160017825A1
Принадлежит: Denso Corp

A vehicle control apparatus includes a condition determination section that determines whether or not an execution permission condition to permit coasting of a vehicle is satisfied, a first control section that causes the vehicle to shift to a first inertia running state by stopping the engine and disengaging the clutch device when the execution permission condition is determined to be satisfied, an auxiliary drive request determination section that determines whether or not an auxiliary drive request to drive the auxiliary has occurred, and a second control section that causes the vehicle to shift to a second inertia running state by starting the engine keeping the clutch device disengaged when the auxiliary drive request is determined to have occurred while the vehicle is running in the first inertia running state.

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21-01-2016 дата публикации

Method and apparatus to evaluate a starter for an internal combustion engine

Номер: US20160017857A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

An internal combustion engine including a starter is shown. A method for monitoring the starter includes determining electrical energy consumed by pinion and motor solenoids operative to activate and rotate a pinion gear of an electrically-powered motor meshingly engageable to a starter ring gear portion of a flywheel of the engine during an engine starting event. Current ringing in the pinion and motor solenoids is monitored during the engine starting even, and a fault is identified in the pinion and motor solenoids based upon the current ringing and the electrical energy consumption of the starter during the engine starting event.

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18-01-2018 дата публикации

Dynamic Vehicle Control System

Номер: US20180017032A1
Принадлежит:

A control system of a vehicle includes a controller configured to be disposed onboard a first vehicle in a vehicle system formed from the first vehicle and at least a second vehicle. The controller is configured to control deactivation of an engine of the first vehicle based on one or more deactivation settings or limits of the first vehicle. The controller is configured to obtain one or more deactivation settings or limits of the at least the second vehicle and to normalize the one or more deactivation settings or limits of the first vehicle based on the one or more deactivation settings or limits of the at least the second vehicle. 1. A system comprising:a controller configured to be disposed onboard a first vehicle in a vehicle system formed from the first vehicle and at least a second vehicle, the controller configured to control deactivation of an engine of the first vehicle based on one or more deactivation settings or limits of the first vehicle, wherein the controller is configured to obtain one or more deactivation settings or limits of the at least the second vehicle and to normalize the one or more deactivation settings or limits of the first vehicle based on the one or more deactivation settings or limits of the at least the second vehicle.2. The system of claim 1 , wherein the controller is configured to normalize the one or more deactivation settings or limits of the first vehicle by changing a value of the one or more deactivation settings or limits of the first vehicle to match a value of the one or more deactivation settings or limits of the at least the second vehicle.3. The system of claim 1 , wherein the controller is configured to normalize the one or more deactivation settings or limits of the first vehicle based on the one or more deactivation settings or limits of the at least the second vehicle such that all vehicles in the vehicle system operate using the same deactivation settings or limits.4. The system of claim 1 , wherein the controller ...

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17-01-2019 дата публикации

METHOD FOR STARTING AN INTERNAL COMBUSTION ENGINE

Номер: US20190017459A1
Автор: Kübler Werner
Принадлежит:

A method for starting an internal combustion engine, having which has at least one cylinder, a controllable starter and a controllable fuel injection device, at least one cylinder, in particular every cylinder, of the internal combustion engine being assigned at least one decompression valve for reducing the compression which takes place during the operation of the internal combustion engine in the case of a compression stroke. A defined starting rotational speed is predetermined in the control unit, that, in the case of a controlled activation of the starter, the at least one decompression valve is opened in an automatically controlled manner by means of a control unit, and that the control unit detects the current rotational speed of the internal combustion engine and, when the defined starting rotational speed is reached, closes the at least one decompression valve and activates the fuel injection device. 1. A method for starting an internal combustion engine , which has at least one cylinder , a controllable starter and a controllable fuel injection device , at least one cylinder , in particular every cylinder , of the internal combustion engine being assigned at least one decompression valve for reducing the compression which takes place during the operation of the internal combustion engine in the case of a compression stroke , the method comprisingpredetermining in a control unit a defined starting rotational speed;automatically opening the at least one decompression valve in an controlled manner by means of the control unit, during a controlled activation of the starter; anddetecting the current rotational speed of the internal combustion engine and, when the defined starting rotational speed is reached, closing the at least one decompression valve and activating the fuel injection device. in that the control unit2. The method according to claim 1 , characterized in that the internal combustion engine is a multiple-cylinder diesel internal combustion engine. ...

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17-01-2019 дата публикации

AIR TURBINE STARTER AND STARTING METHOD THEREOF

Номер: US20190017484A1
Автор: BLANCO Ruben, LEDESMA Saul
Принадлежит:

An air turbine starter (ATS) assembly includes a rotatable pinion gear () wherein the rotatable pinion gear is coupled to a combustion engine (), a speed sensor () measuring the rotational speed () of the rotatable pinion gear (), a torque sensor () providing a torque output () indicative of a torque experienced by the pinion gear (), and a controller module configured to operate a starting sequence for the ATS assembly such that the rotational speed () is controllably increased while the torque output () is kept below the start sequence torque threshold (). 1. A method of starting a combustion engine started with a starter , the method comprising:during a start sequence of the combustion engine, monitoring, by a controller module, a speed parameter indicative of a rotational speed of the starter rotationally coupled with the combustion engine and a torque parameter indicative of a torque of the starter;determining, in the controller module, whether the monitored speed parameter exceeds a corresponding speed value included in a start sequence speed profile and whether the monitored torque parameter exceeds a start sequence torque threshold; andin response to determining the monitored speed parameter does not exceed the corresponding speed value of the start sequence speed profile and the monitored torque parameter does not exceed the start sequence torque threshold, controllably increasing the rotational speed of the starter by the controller module such that the increasing prevents the monitored torque parameter from satisfying the start sequence torque threshold.2. The method of wherein the monitoring the torque parameter includes monitoring the torque experienced by a pinion gear of the starter.3. The method of further comprising determining whether the monitored speed parameter exceeds a target rotational speed prior to expiration of a target period of time.4. The method of claim 3 , further comprising determining whether the monitored speed parameter exceeds a ...

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17-01-2019 дата публикации

Control system of vehicle and control method of the same

Номер: US20190017486A1
Автор: Ken Kuretake
Принадлежит: Toyota Motor Corp

A control system of a vehicle has an automatic stop and restart function to automatically stop an engine when automatic stop conditions are fulfilled, and restart the engine when normal restart conditions are fulfilled during automatic stop of the engine, and a notifying function to notify a driver of starting of a preceding vehicle, when an intervehicular distance from the preceding vehicle during stopping becomes equal to or larger than a first predetermined distance. The automatic stop and restart function includes a synchronous restart function of restarting the engine, in synchronization with notification by the notifying function, even when the normal restart conditions are not fulfilled. When notification fixation is detected, the synchronous restart function is restricted, and restart of the engine is inhibited until the normal restart conditions are fulfilled.

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26-01-2017 дата публикации

Jumpstarting an internal combustion engine

Номер: US20170022955A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

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.

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25-01-2018 дата публикации

Method and System for Operating an Engine Start-Stop System in a Vehicle

Номер: US20180023493A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A method to control engine start-stop in a vehicle is provided. The method includes outputting via a controller an engine command to auto-start the engine based on detection of a predetermined vehicle condition affecting fuel economy of the vehicle, detection of a shift from neutral to another gear position, and whether a predetermined time threshold has expired following the shift in response to detection of a presence of an engine auto-stop mode and a neutral gear position. The predetermined vehicle condition may be a movement of the vehicle in a reverse direction. The predetermined vehicle condition may be a battery parameter being outside of predetermined range. The predetermined range may be based on a battery state of charge, a battery temperature, a battery voltage, or a battery load current. The predetermined vehicle condition may be a HVAC component activation.

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10-02-2022 дата публикации

FUEL HEATER

Номер: US20220042483A1
Принадлежит: AISIN CORPORATION

A fuel heater including an engine that is driven by combustion of air-fuel mixture including air and fuel supplied to a combustion chamber within a cylinder, a battery that stores electricity, and a motor that drives the engine by the electricity supplied from the battery, the fuel heater includes a fuel heating portion heating the fuel with the electricity supplied from the battery, and a controller performing one of a first control by increasing the amount of electricity supplied from the battery to the fuel heating portion and a second control by increasing heating time of the fuel by the fuel heating portion for a time period until the engine starts in a case where a battery charge remaining of the battery is equal to or smaller than a remaining threshold value at a start of the engine. 1. A fuel heater for a vehicle , the vehicle including an engine that is driven by combustion of air-fuel mixture including air and fuel supplied to a combustion chamber within a cylinder , a battery that stores electricity , and a motor that drives the engine by the electricity supplied from the battery , the fuel heater comprising:a fuel heating portion heating the fuel with the electricity supplied from the battery; anda controller performing one of a first control by increasing the amount of electricity supplied from the battery to the fuel heating portion and a second control by increasing heating time of the fuel by the fuel heating portion for a time period until the engine starts in a case where a battery charge remaining of the battery is equal to or smaller than a remaining threshold value at a start of the engine.2. The fuel heater according to claim 1 , whereinthe remaining threshold value is a battery lower limit serving as a lower limit of electricity for operating the fuel heating portion and the engine,the controller increases the amount of electricity supplied from the battery to the fuel heating portion for the time period until the engine starts in a case where ...

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10-02-2022 дата публикации

Methods and system for controlling engine stop position

Номер: US20220042485A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

A method and system for controlling a stop rotation position of an engine is described. In one example, the system includes an integrated starter/generator that may be selectively coupled to the engine. The integrated starter/generator may rotate the engine in a first direction (e.g., reverse direction) or a second direction (e.g., a forward direction) in response to a position at which the engine stops rotating following cessation of combustion in the engine.

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10-02-2022 дата публикации

VEHICULAR APPARATUS

Номер: US20220042486A1
Автор: ASAI Ryouta
Принадлежит:

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 ...

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24-01-2019 дата публикации

INTERNAL COMBUSTION ENGINE PROVIDED WITH A SEMI- AUTOMATIC CHOKE DEVICE

Номер: US20190024611A1
Принадлежит:

A starter system (), for an internal combustion engine () including a carburetor () and a recoil starter (), may include a sensor (), a controller () and an actuator (). The carburetor () may have at least a choke valve () for controlling a flow of a fresh air into a combustion chamber () of the engine () during engine start. The choke valve () may have a choke position and an open position and may be positioned into the choke position at engine start. The recoil starter () may start a rotation of an engine crankshaft causing a fuel supply to the combustion chamber () of the engine (). The sensor () may be disposed to detect movement parameters associated with the engine () or crankshaft responsive to operation of the recoil starter (). The controller () may be operably coupled to the sensor () to receive information indicative of the movement parameters and providing a control signal based on processed information providing an indication of an optimal condition for engine start. The actuator () may be configured to receive the control signal from the controller () and to initiate automatic repositioning of the choke valve () from the choke position to the open position based on receiving the control signal from the controller () responsive to the indication of the optimal condition for engine start. 1. A starter system for an internal combustion engine , the engine comprising:a carburetor having at least a choke valve for controlling a flow of a fresh air into a combustion chamber of the engine during engine start, the choke valve having a choke position and an open position, the choke valve being positioned into a choke position at engine start, anda recoil starter for starting a rotation of an engine crankshaft causing a fuel supply to the combustion chamber of the engine, the starter system comprising:a sensor disposed to detect movement parameters associated with the engine or crankshaft responsive to operation of the recoil starter;a controller operably ...

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29-01-2015 дата публикации

Method for limiting an inrush current in an electrical power circuit of a motor vehicle starter, and corresponding electrical circuit, current limiter and starter

Номер: US20150028600A1
Автор: Nicolas Labbe

A method for limiting an inrush current, which is implemented in an electrical power circuit ( 1 ) of a motor vehicle starter ( 15 ). The starter includes an electromagnetic contactor ( 12 ) and an electric motor ( 7 ) comprising motor windings ( 6 ) having a rated inductance (L 0 ). The method consists in controlling the rate of variation of the inrush current by means of an inductive element ( 8 ) inserted in series into the electrical power circuit ( 1 ). According to the invention, an initial value of the variation rate is substantially separate from the rated inductance (L 0 ). According to another feature, the initial value is a function of a coupling coefficient between a primary winding ( 8 ) and a secondary winding ( 10 ) of a transformer ( 9 ), the primary winding ( 8 ) of which constitutes the inductive element.

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28-01-2021 дата публикации

Pre-lubrication and skip fire operations during engine cranking

Номер: US20210025298A1
Принадлежит: Cummins Inc

A system includes a valve actuation system, a pre-lubrication pump coupled to a lubrication circuit and configured to provide oil to the valve actuation system, a catalyst for receiving and treating exhaust gasses, and a controller. The controller is configured to identify an engine start request and determine whether the catalyst temperature is below a first threshold value. In response to determining that the catalyst temperature is below the first threshold value, the controller actuates the pre-lubrication pump to direct lubricant to the valve actuation system, controls the valve actuation system to deactivate at least one cylinder of an engine, and, subsequent to deactivating the at least one cylinder of the engine, cranks the engine.

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28-01-2021 дата публикации

SYSTEM AND METHOD FOR REDUCING COLD START EMISSIONS OF A MOTOR VEHICLE

Номер: US20210025364A1
Принадлежит:

The present disclosure provides a system for reducing cold start emissions of a motor vehicle. A brushless DC motor is coupled to an engine for cranking the engine. In response to receiving a cold start signal from a cold start actuator, the motor controller activates the brushless DC motor to crank the engine for a cold start duration and increase fuel pressure. In response to a motor controller receiving an auto start signal from an auto start actuator, the motor controller activates the brushless DC motor to crank the engine for an auto start duration that is shorter than the cold start duration. In response to determining that the cold start duration or the auto start duration has expired, an engine controller activates the fuel delivery system to deliver fuel to the engine. 1. A system for reducing cold start emissions for a motor vehicle , the system comprising:an internal combustion engine;a brushless DC motor coupled to the engine and configured to crank the engine;a fuel delivery system coupled to the engine and configured to deliver fuel to the engine, wherein the engine drives the fuel delivery system to increase the fuel pressure;a cold start actuator configured to generate a cold start signal;an auto start actuator configured to generate an auto start signal;a motor controller coupled to the brushless DC motor, wherein the motor controller is further coupled to the cold start actuator to receive the cold start signal from the cold start actuator, and wherein the motor controller is further coupled to the auto start actuator to receive the auto start signal from the auto start actuator; andan engine controller coupled to the cold start actuator to receive the cold start signal from the cold start actuator, wherein the engine controller is further coupled to the auto start actuator to receive the auto start signal from the auto start actuator, and wherein the engine controller is further coupled to the fuel delivery system;wherein, in response to the ...

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01-02-2018 дата публикации

Control strategy for plug-in hybrid electric vehicle

Номер: US20180029589A1
Принадлежит: Jaguar Land Rover Ltd

A method of controlling a plug-in hybrid electric vehicle including an electric propulsion system, an engine, and a catalytic converter associated with the engine, the method comprising: monitoring a state of charge of a battery of the vehicle when in a charge depletion mode; determining a rate of depletion of the state of charge; estimating from the rate of depletion a duration of a depletion period representing the time remaining until a minimum state of charge of the battery will be reached; determining a duration of a warming period of the catalytic converter; comparing the duration of the depletion period and the duration of the warming period; and activating the engine if the duration of the depletion period is less than or equal to the duration of the warming period.

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02-02-2017 дата публикации

FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINE

Номер: US20170030287A1

A fuel injection device for an internal combustion engine includes: a high/low pressure fuel system (first fuel injection unit) configured to inject fuel into cylinders to through an in-cylinder injector ; and a low pressure fuel injection system (second fuel injection unit) configured to inject fuel into an intake manifold through an intake path injector . An ECU incorporates: an idling stop/start unit that stops the engine when an idling stop condition is satisfied, and restarts the engine when the idling stop condition is no longer satisfied; and a fuel injection control unit that causes, after the idling stop condition is no longer satisfied, fuel remaining in the first fuel injection unit to be injected into the cylinder, before rotation of a crank shaft starts, so that the engine is automatically restarted, and causes fuel injection to be started from the second fuel injection unit when predetermined condition is satisfied. 1. A fuel injection device for an internal combustion engine , the fuel injection device comprising:a first fuel injection unit configured to inject fuel into a cylinder of the internal combustion engine;a second fuel injection unit configured to inject fuel into an intake path of the internal combustion engine;an automatic restarting unit configured to automatically restart the internal combustion engine; anda fuel injection control unit configured to cause, when the internal combustion engine is to be automatically restarted, fuel remaining in the first fuel injection unit to be injected before rotation of a crank shaft starts so that the internal combustion engine is automatically restarted, and cause, when a predetermined condition is satisfied, the second fuel injection unit to start injecting the fuel.2. The fuel injection device for an internal combustion engine according to claim 1 ,wherein the internal combustion engine further comprises a crank angle sensor configured to measure a crank angle to detect a stroke of the internal ...

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04-02-2016 дата публикации

Method and system for determining causes of engine stop using ignition power monitoring

Номер: US20160032858A1
Автор: Seung-Bum Kim
Принадлежит: Hyundai Motor Co, Kia Motors Corp

A method for determining causes of engine stop using ignition power monitoring may include performing ignition power holding determination to determine, in a state in which a vehicle is started and an engine is driven, whether the vehicle is in a key-on state, to which power is consistently applied, in order to hold the starting of the engine of the vehicle. The method also includes performing power-off recognition time comparison by comparing, when ignition power is turned off and the engine is stopped, a time required to recognize ignition power-off in an ECU (Electronic Control Unit) with a preset ignition power-off recognition time for failure determination. The method also performs a power abnormality determination by determining whether the engine is stopped due to ignition power failure when the time required to recognize the ignition power-off in the ECU is not greater than the preset ignition power-off recognition time.

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01-02-2018 дата публикации

DEVICE AND METHOD FOR MANAGING THE CHARGING AND DISCHARGING OF ULTRACAPACITORS WITHOUT CONTROL WIRING

Номер: US20180030945A1
Принадлежит:

The invention relates to a method and device for managing the charging and discharging of ultracapacitors without control wiring, connected in parallel to the electrical system of a combustion engine, or any other device or process that needs a battery to supply or absorb strong electrical currents. The device is advantageous in that, for the operation thereof, it is not necessary to modify the electrical wiring of the engine and it allows the operation of the engine even when the battery is partially charged, completely discharged, or when there is no battery. The invention relates to a portable embodiment, an embodiment for permanent use and another embodiment in which the device is connected to an electrochemical battery forming an assembly, which is used to supply the engine with electrical energy. 1. A device for charging and discharging an ultracapacitor battery without control wiring , characterised in that it comprises:{'b': '1', 'An ultracapacitor battery () formed by one or more ultracapacitors.'}A first electrical connection in parallel with the electrical system of the combustion engine, this electrical connection is at-will and removable.{'b': '14', 'A second removable electrical connection to an external power source ().'}{'b': 2', '1, 'A first one-way switch () that controls the flow of electricity from the electrical system of the combustion engine towards the ultracapacitor battery ().'}{'b': 3', '1, 'A second one-way switch () that controls the flow of electricity from the ultracapacitor battery () into the electrical system of the combustion engine.'}{'b': 1', '14, "A DC-to-DC converter to convert voltage up or down suitable for charging the ultracapacitor battery () from the engine's electrical system and from the external power source ()."}{'b': 5', '14, 'A first electronic device () that prevents the flow of electricity from the external power source () into the electrical system of the combustion engine.'}{'b': 6', '14, 'A second electronic ...

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31-01-2019 дата публикации

HEV ENGINE START VIBRATION REDUCTION SYSTEM

Номер: US20190031178A1
Принадлежит:

A hybrid electric power-split vehicle, equipped with a continuously variable transmission coupling an electric motor/generator (EM) with a combustion engine (CE), includes systems and methods that reduce possible resonant noise and vibration during CE startup, by improved EM control, to generate compensating EM torque to counter act such possible resonant noise and vibration. The systems and methods include predetermined baseline CE operating condition (OC) cranking torque profiles stored as OC grids (SOCGs). A start profile is generated from selected cranking torque SOCGs, and also from selected historical start OCGs (HOCGs) of prior engine and/or CE starts, which include prior start noise and vibration metrics along with prior start OCs and related parameters. The start profile is calibrated using a blend factor that is generated from comparisons of SOCGs, and utilized to generate a feed-forward torque signal that adjusts EM torque to reduce the startup noise and vibration resonances. 1. A vehicle , comprising:an electronic continuously variable transmission coupled to at least one controller configured to:adjust an electric machine torque to reduce startup vibration of a combustion engine with a feedforward torque signal, generated from an engine start profile calibrated with a blend factor generated as a difference between current engine operating condition and store operating condition grids, such that startup vibration is attenuated as the combustion engine starts.2. The vehicle according to claim 1 , further comprising:the at least one controller further configured to:select a nearest operating condition (OC) grid (NOCG) from the stored operating condition grids (SOCGs) according to the current combustion engine (CE) OC,select from the SOCGs one of: (a) an historical OC grid (HOCG), and (b) a nearest neighbor OC grid (NNOCG) when no HOCG exists,generate the blend factor as the difference being a smallest of a distance between the current CE OC, and each of ...

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17-02-2022 дата публикации

METHOD AND SYSTEM OF ANTI-IDLING CONTROL FOR VEHICLES

Номер: US20220049665A1
Принадлежит:

A method and system for anti-idling management for a vehicle including an anti-idling system (AIS) is disclosed. Based on inputs from different sources associated with the vehicle, the AIS determines when anti-idling management should be enabled in order to control the engine of the vehicle. In some embodiments, the AIS includes an AIS battery that can be used to power auxiliary vehicle components when the vehicle is stopped via anti-idling control management. 1. A method for determining if a vehicle should enter an anti-idling state comprising:determining if the vehicle is ready for idling management;determining if the vehicle engine should be shut down; andif it is determined that the vehicle engine should be shut down, shutting down the vehicle engine.2. The method of wherein determining if the vehicle engine should be shut down comprises:determining at least one of: is the vehicle in a parked state; is the engine RPM within a predetermined RPM range; is there any speed sensed in at least one wheel; is the brake depressed; is the hood closed; is the lift door closed; is the battery voltage higher than a predetermined low battery threshold; is the state of the charge of the AIS battery is within a predefined range, is the exterior/interior temperature within a predetermined temperature range; is the vehicle undergoing an active regeneration process; and is the turbocharger temperature lower than a predetermined temperature threshold.3. The method of further comprising:determining if the vehicle engine should be turned back on.4. The method of wherein determining if the vehicle engine should be turned back on comprises:determining if a battery voltage is lower than a predetermined low battery threshold; determining if a state of the charge of an anti-idling system (AIS) battery is lower than a predefined AIS battery threshold and/or determining if an exterior/interior temperature is outside a predetermined temperature range.5. The method of wherein determination of ...

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17-02-2022 дата публикации

METHOD AND DEVICE FOR REMOTELY STARTING MANUAL TRANSMISSION VEHICLE

Номер: US20220049675A1
Принадлежит:

A method for remotely starting a manual transmission vehicle is provided. The method includes determining whether remote start of the manual transmission vehicle is possible based on a remote start command signal of a remote start input device, an inclination angle signal value of the manual transmission vehicle, a notch signal value generated when a parking brake of the manual transmission vehicle is operated by moving a lever of the parking brake, and a gear shift stage signal of a manual transmission of the manual transmission vehicle. An engine of the manual transmission is started when the notch signal value according to the inclination angle signal value is greater than or equal to a minimum value of notch signal values capable of remotely starting the manual transmission vehicle and the gear shift stage signal is a neutral stage signal. 1. A method for remotely starting a manual transmission vehicle , comprising:determining, by a controller, whether remote start of the manual transmission vehicle is possible based on a remote start command signal of a remote start input device, an inclination angle signal value of the manual transmission vehicle, a notch signal value generated in response to a parking brake of the manual transmission vehicle being operated by moving a lever of the parking brake, and a gear shift stage signal of a manual transmission of the manual transmission vehicle;determining whether the notch signal value is greater than or equal to a minimum value of notch signal values capable of remotely starting the manual transmission vehicle and the gear shift stage signal is a neutral stage signal, wherein the minimum value is based on the inclination angle signal value; andin response to determining that the notch signal value is greater than or equal to the minimum value of the notch signal values, starting, by the controller, an engine of the manual transmission vehicle.2. The method of claim 1 , wherein the controller is configured to calculate ...

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30-01-2020 дата публикации

Start-Stop Device for Bringing About an Automatic Switch-Off And/Or Switch-On Operation of an Internal Combustion Engine of a Motor Vehicle

Номер: US20200031355A1
Автор: MUELLER Steffen
Принадлежит:

A start-stop device and a corresponding method brings about an automatic switch-off and/or switch-on operation of an automatically switched-off drive machine of a motor vehicle, in particular of a motor vehicle having an automatic transmission. The start-stop device has a switch-off logic, by way of which an automatic switch-off of the drive machine can be brought about in the case of a moving vehicle in accordance with a predefined switch-off operating strategy, and a switch-on logic, by way of which an automatic switch-on of the automatically switched-off drive machine can be brought about in accordance with a predefined switch-on operating strategy. The switch-off operating strategy and/or the switch-on operating strategy are/is configured in a manner which is based on wheel torque. 1. A start-stop device for bringing about an automatic switch-off and/or switch-on operation of an automatically switched-off drive machine of a motor vehicle , comprising:switch-off logic, by way of which an automatic switch-off of the drive machine is carried out in a case of a moving vehicle in accordance with a predefined switch-off operating strategy; andswitch-on logic, by way of which an automatic switch-on of the automatically switched-off drive machine is carried out in accordance with a predefined switch-on operating strategy, whereinat least one of the switch-off operating strategy and the switch-on operating strategy is configured in a manner which is based on wheel torque.2. The start-stop device according to claim 1 , whereinthe switch-off operating strategy takes into account present or determinable information relating to:a current or predicted vehicle tractive torque,a current or predicted crawl torque,a current and/or predicted downhill torque,a predicted wheel torque when the drive machine is switched off, and/ora current and/or predicted braking torque, when the decision is made to bring about an automatic switch-off process.3. The start-stop device according to ...

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31-01-2019 дата публикации

STARTER

Номер: US20190032620A1
Автор: BABA Kousuke
Принадлежит: Denso Corporation

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. 1. A starter mounted to a vehicle to start an engine , comprising:a pushing member that pushes a pinion gear toward a ring gear connected to an output shaft of the engine, using an electromagnetic force generated by current being passed through a solenoid to bring the ring gear into engagement with the pinion gear;an urging member that urges the pinion gear in a direction opposite to the direction into which the pinion gear is pushed out by the pushing member;a predetermined member connected to the pinion gear;a first limiting member that limits movement of the predetermined member urged by the urging member, to a predetermined position, before the pinion gear is pushed out by the pushing member; anda control unit that disengages the ring gear from the pinion gear under an urging action of the urging member and implements control of passing a predetermined current through the solenoid when the predetermined member is retracted to the predetermined position, the predetermined current being passed through the solenoid after disengagement of the ring gear from the pinion gear but before retraction of the predetermined ...

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31-01-2019 дата публикации

Transmission Park Control System

Номер: US20190032780A1
Принадлежит:

A transmission includes a hydraulically actuated park valve with two spools in a common housing. One of the spools engages and disengages the park mechanism in response to manipulation of line pressure and engagement of specified shift elements. A pin selectively engages this spool to hold it in position. The valve is designed such that friction holds the spool in position in the absence of hydraulic pressure or electric power. The second spool controls an out-of-park circuit such that the park mechanism remains disengaged when desired. The two spools are separated by a compression spring. 1. A transmission comprising:a first spool supported to slide within a valve housing between first and second positions, the first spool configured to disengage a park mechanism in the first position and to engage the park mechanism in the second position;a line pressure circuit configured to bias the first spool toward the second position;a second spool supported to slide within the valve housing between third and fourth positions, the second spool configured to fluidly connect an out-of-park hydraulic circuit to the line pressure circuit in the third position and to vent the out-of-park circuit in the fourth position;first and second hydraulic circuits configured to bias the second spool toward the third position;a compression spring configured to separate the first spool from the second spool, biasing the first spool toward the first position and biasing the second spool toward fourth position;a pin configured to selectively engage the first spool to restrict motion of the first spool; anda solenoid configured to pull the pin away from the first spool.2. The transmission of further comprising:third and fourth hydraulic circuits configured to engage first and second shift elements;a first check valve configured to alternately fluidly connect the first hydraulic circuit to either the line pressure circuit or the third hydraulic circuit, whichever is at higher pressure; anda ...

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31-01-2019 дата публикации

Operating conditions information system for an energy storage device

Номер: US20190033384A1
Принадлежит: Northstar Battery Co LLC

The system may be configured to perform operations including measuring a temperature and a voltage of a battery at various times producing data points, wherein each data point comprises the temperature and voltage of the battery and a respective time that the temperature and voltage was measured; assigning each data point to a respective cell in a matrix stored on a, wherein the matrix comprises a first axis comprising voltage ranges and a second axis comprising temperature ranges, wherein each cell is associated with a voltage range and a temperature range, wherein the voltage and temperature of each data point is within the voltage range and temperature range, respectively, of the respective cell; and/or generating a first value in a counter comprised in each cell reflecting a total number of data points assigned to the cell, such that the first value in each cell is stored in the memory.

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31-01-2019 дата публикации

Systems and methods for determining a state of charge of a disconnected battery

Номер: US20190033385A1
Принадлежит: Northstar Battery Co LLC

A method is disclosed for determining a state of charge, a self-discharge rate, and a predicted amount of time remaining (tREMX) until the battery will self-discharge to a pre-determined minimum state-of-charge (SOCmin) under storage or transit conditions, in a disconnected battery. The method further discloses calculating a time to recharge the battery (ReChargeTime) from its current SOC to a desired SOC. A battery monitor circuit, embedded or attached to a battery, monitors an instantaneous internal temperature (Tx) and a voltage (Vx) of a disconnected battery to perform the analysis and provide notification, scheduling, and take other actions. In an example embodiment, the method further comprises displaying this determined battery information on the remote device without any physical connection between the remote device and the battery.

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31-01-2019 дата публикации

SYSTEMS AND METHODS FOR DETERMNING CRANK HEALTH OF A BATTERY

Номер: US20190033396A1
Принадлежит:

Described herein are methods for determining, based on actual crank conditions, an ability of a battery connected to an electric starter motor, to start an internal combustion engine, wherein the battery is a single monobloc or a plurality of monoblocs that are electrically connected in series or parallel. The method may comprise: receiving battery temperature data, representing a temperature of the battery at a time of cranking the internal combustion engine; receiving voltage data monitored from the battery, determining an instantaneous minimum voltage of the battery during the time of cranking the internal combustion engine; and determining a capability of the battery to crank the internal combustion engine based on the battery temperature data and the instantaneous minimum voltage of the battery. 1. A method of determining , based on actual crank conditions , an ability of a battery connected to an electric starter motor , to start an internal combustion engine (crank health) , wherein the battery is a single monobloc or a plurality of monoblocs that are electrically connected in series or parallel , the method comprising:receiving battery temperature data, representing a temperature of the battery at a time of cranking the internal combustion engine;receiving voltage data monitored from the battery;determining an instantaneous minimum voltage of the battery during the time of cranking the internal combustion engine; anddetermining a capability of the battery to crank the internal combustion engine based on the battery temperature data and the instantaneous minimum voltage of the battery.2. The method of claim 1 , wherein the time of cranking is a threshold time of less than 100 ms.3. The method of claim 1 , wherein the instantaneous minimum voltage is less than 8V.4. A method of determining an ability of a battery connected to an electric starter motor to start claim 1 , based on actual crank conditions claim 1 , an internal combustion engine (crank health) ...

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04-02-2021 дата публикации

Start Stop Override Module

Номер: US20210033057A1
Принадлежит: Metra Electronics Corp.

An override module allowing a vehicle operator to default the status of an automated start-stop system to “off.” A first embodiment uses a module that is installed in-line with a manual override button. A second embodiment uses a module that is installed on the vehicle's CAN bus. 1. A method for automatically overriding an automated engine start-stop feature in a vehicle having an automated engine start-stop feature and a manual override system , said manual override system including a control unit having a sense pin , a ground pin , a switch having a first side and a second side , a first conductor connecting said sense pin to said first side of said switch , and a second conductor connecting said second side of said switch to said ground pin , said switch being configured to pull said sense pin to ground when said switch is activated , and said control unit being configured to interpret said sense pin being pulled to ground as an activation of said manual override system , whereupon said control unit overrides said automated engine start-stop feature , said method comprising:(a) providing an override module, including a switching circuit configured to selectively connect said first conductor to said second conductor; and(b) activating said switching circuit in said override module when power to said vehicle is switched on.2. The automatic override method as recited in claim 1 , said vehicle also including an indicator light having a first side and a second side claim 1 , said first side of said indicator light being connected to an indicator light pin by a third conductor claim 1 , and said second side of said indicator light being connected to a ground claim 1 , said method further comprising:(a) providing a processor in said override module;(b) said processor monitoring a voltage upon said indicator light pin; and(c) said processor repeatedly activating said switching circuit to connect said first conductor to said second conductor for an interval until a ...

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05-02-2015 дата публикации

System and method for controlling a drive unit of a work machine during an idle state

Номер: US20150039187A1
Автор: Jeffrey A. Friebel
Принадлежит: Deere and Co

The present disclosure provides a method of controlling a drive speed of a drive unit powering a work machine. The method includes determining if a control switch is in an enabled position and detecting if a control mechanism is moved within a defined period of time to operate the machine to perform a function. The method also includes detecting if a control means has been positioned in the active state once the control mechanism is not moved within the defined period of time. The method further includes sending a signal to a drive unit controller to shut off the drive unit when the control means is triggered to the active state. The drive unit is turned off as electrical energy continues to be provided from an energy storage device to at least the vehicle control unit, drive unit controller, and sensor after the drive unit is turned off.

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31-01-2019 дата публикации

Systems and methods for detecting battery theft

Номер: US20190035237A1
Принадлежит: Northstar Battery Co LLC

Described herein are method and systems for detecting an unauthorized removal of a battery. The system comprising: a battery monitor circuit attached to or embedded in the battery; a remote device, wherein the remote device stores instructions that when executed on the remote device cause the remote device to perform operations comprising: receiving, at the remote device, a wireless signal from the battery monitor circuit comprising voltage and temperature data; evaluating, by the remote device, whether the battery is in its expected location by confirming for each battery, which is expected to be present, whether there has been an unexpected interruption in the wireless signal from the battery; providing an alert notification when there has been an unexpected interruption in the wireless signal.

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09-02-2017 дата публикации

DEVICE AND METHOD FOR STARTING AN AUXILIARY POWER UNIT

Номер: US20170037784A1
Принадлежит: Safran Power Units

The invention relates to a starting device for an auxiliary power unit (), comprising a control unit () of the power supply of a starter motor (), said motor () being suitable to be supplied with power by a supply network () and configured to drive a revolution of the auxiliary power unit (), the control unit () being suitable to receive an item of information representative of the speed of rotation of the auxiliary power unit () and control of the power supply of the starter motor () by the control unit () being dependent on said item of information representative of the speed of rotation. 1. A starting device for an auxiliary power unit , comprising a control unit of the power supply of a starter motor , said motor being suitable to be supplied with power by a supply network and configured to drive a revolution of the auxiliary power unit , the control unit being suitable to receive an item of information representative of the speed of rotation of the auxiliary power unit , control of the power supply of the starter motor by the control unit being dependent on said item of information representative of the speed of rotation , wherein the control unit is suitable to receive an item of information representative of the voltage of the power supply network and in that control of the power supply of the starter motor by the control unit is dependent on said item of information representative of the voltage.2. The starting device according to claim 1 , wherein said item of information representative of the speed of rotation of the auxiliary power unit is the speed of rotation of the auxiliary power unit.3. The starting device according to claim 1 , herein said item of information representative of the voltage of the power supply network is the voltage of the power supply network.4. The starting device according to claim 1 , wherein control of the power supply of the starter motor by the control unit is produced by a pulse width modulation signal.5. The starting device ...

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09-02-2017 дата публикации

ENGINE CONTROL SYSTEM USING ISG

Номер: US20170037825A1
Автор: Chung Yun-Hyun
Принадлежит:

An ISG control system for construction equipment for implementing an ISG (Idle Stop and Go) system under a work standby situation of the construction equipment and a control method thereof are disclosed. The ISG control system provides a switching function between an auto idle mode and an ISG mode by an operator's selection or under a specific condition when the work of the construction equipment is in a standby state. Further, the ISG control system controls a stop and a restart of an engine through sensing of the existence of corresponding work equipment within a predetermined range, and controls the stop and the restart of the engine through sensing of an operator's operation and gesture. After the engine stop, the ISG control system continuously senses the state of the equipment and provides a switching function to a low idle mode having a low RPM at a time when performance of a primary work is expected. The ISG control system controls the idling mode, engine stop, and engine start according to detailed requirements to prevent fuel consumption due to unnecessary no-load rotation. 1. An ISG control method for construction equipment comprising:receiving, by a sensor module, an external environment signal to determine an engine stop condition for ISG (Idle Stop and Go) when a work of the construction equipment is in a standby state;detecting, by a vehicle control unit, whether corresponding work equipment exists based on the received external environment signal;transmitting, by an engine control unit, an ISG signal to an engine drive controller to stop an engine if the existence of the corresponding work equipment is not detected; andswitching, by the engine control unit, an engine RPM of the construction equipment to an auto idle engine RPM if the existence of the corresponding work equipment is detected,wherein the vehicle control unit determines that the corresponding work equipment exists if at least one of the followings are satisfied.a) a case where a ...

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08-02-2018 дата публикации

TWO-SCALE COMMAND SHAPING FOR REDUCING VEHICLE VIBRATION DURING ENGINE START OR RESTART

Номер: US20180038334A1
Принадлежит:

According to some aspects, methods and systems are presented to reduce noise, vibration, and harshness during start or restart of an engine. In some embodiments, a torque source such as an electric machine provides a torque to an internal combustion engine during restart to counteract vibrations of the system caused by the output torque of the internal combustion engine. The torque provided by the torque source can be expressed as a sum of a non-linear component and an input shaped component. A perturbation technique can be utilized for separating the scales and isolating the non-linear response of the system. Command shaping can be applied to the remaining, linear response of the system. Parameters used in the modeling of the internal combustion engine and the system may be pre-determined based on vehicle design and operating conditions, or may be iteratively estimated based on previous restarts during vehicle operation. 2. The method of claim 1 , wherein the non-linear component of the command signal is further based at least in part on a crank angle of the ICE as a function of time claim 1 , wherein the crank angle is the angle of rotation of a crankshaft associated with motion within a cylinder of the ICE.3. The method of claim 2 , wherein the approximation of the non-linear torque dynamics of the ICE comprise an asymptotic approximation of the crank angle claim 2 , wherein the asymptotic approximation of the crank angle includes a zeroth-order term and a first order term and the approximation of the non-linear torque dynamics of the ICE is determined by equating the acceleration of the first-order term and its derivatives to zero.4. The method of claim 1 , wherein the input shaped component of the command signal is configured to reduce the vibration of the first mechanical component or first group of mechanical components claim 1 , the vibration of the first mechanical component or first group of mechanical components being caused by a linear ramp-up of torque ...

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24-02-2022 дата публикации

Engine starter

Номер: US20220055611A1
Принадлежит: Toyota Motor Corp

An engine starter of a vehicle switching between EV traveling and HV traveling, includes: an engine starting unit to start an engine based on a starting operation by a driver during the EV traveling; and a starting operation switching unit to switch the starting operation to a first starting operation while the vehicle is traveling in an outside area of a preset emission gas regulation area and to switch the starting operation to a second starting operation while the vehicle is traveling in an inside area of the emission gas regulation area. Further, while the vehicle is performing the EV traveling in the inside area of the emission gas regulation area, the engine starting unit is not start the engine when the first starting operation is performed by the driver and to start the engine when the second starting operation is performed by the driver.

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24-02-2022 дата публикации

START-STOP CONTROL APPARATUS

Номер: US20220056875A1
Принадлежит:

Provided is a start-stop control apparatus to be mounted in a vehicle including an engine, a starter motor configured to restart the engine, and an auxiliary battery configured to supply electric power to the starter motor. The start-stop control apparatus includes a stop processing unit and an engine measuring unit. The stop processing unit stops idling of the engine while the vehicle is being stopped. The engine measuring unit measures an internal loss of the engine. The stop processing unit determines whether to stop the idling of the engine on the basis of the internal loss measured by the engine measuring unit and the state of charge of the auxiliary battery. 1. A start-stop control apparatus to be mounted in a vehicle including an engine , a starter motor configured to restart the engine , and an auxiliary battery configured to supply electric power to the starter motor , the start-stop control apparatus comprising:a stop processing unit configured to stop idling of the engine while the vehicle is being stopped; andan engine measuring unit configured to measure an internal loss of the engine, whereinthe stop processing unit is configured to perform a determination process of determining whether to stop the idling of the engine on a basis of the internal loss measured by the engine measuring unit and a state of charge of the auxiliary battery.2. The start-stop control apparatus according to claim 1 , wherein the engine measuring unit is configured to measure the internal loss upon starting of the engine.3. The start-stop control apparatus according to claim 2 , wherein the engine measuring unit is configured todetermine whether an environment of the engine satisfies a predetermined condition, andmeasure the internal loss in a case where the predetermined condition is satisfied.4. The start-stop control apparatus according to claim 1 , further comprisinga gradient sensor configured to detect a gradient of a road surface, whereinthe internal loss measured when ...

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07-02-2019 дата публикации

ELECTRIC POWER SYSTEM

Номер: US20190040832A1
Принадлежит: Honda Motor Co.,Ltd.

Provided is an electric power system mounted on a vehicle having an engine, a battery, and a starter that starts the engine. The electric power system includes an SOC estimation part, estimating the SOC of the battery based on a first algorithm; an idling stop control part, permitting implementation of an idling stop control when an estimation result of the SOC estimation part satisfies a predetermined automatic stop condition; a full charge determination part, determining whether the battery is in a full charge state based on a second algorithm different from the first algorithm; and a malfunction determination part, determining that malfunction occurs in the SOC estimation part when the battery is estimated in the full charge state by the full charge determination part and the estimation result of the SOC estimation part does not satisfy the automatic stop condition. 1. An electric power system that controls an internal-combustion engine based on a state of a battery , comprising:a first charging state estimation part, estimating a charging state of the battery based on a first algorithm;an idling stop control part, permitting an implementation of an idling stop control which temporarily stops the internal-combustion engine when an estimation result of the first charging state estimation part satisfies a permissible condition, and prohibits the implementation of the idling stop control when the permissible condition is not satisfied;a second charging state estimation part, estimating the charging state of the battery based on a second algorithm different from the first algorithm; anda malfunction determination part, determining that malfunction occurs in an estimation of the charging state of the battery when an estimation result of the second charging state estimation part satisfies a predetermined condition and the estimation result of the first charging state estimation part does not satisfy the permissible condition.2. The electric power system according to ...

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06-02-2020 дата публикации

Method for starting a combustion engine

Номер: US20200040863A1
Принадлежит: Andreas Stihl AG and Co KG

A method is for the safe starting of a combustion engine in a handheld, portable work apparatus. When starting, start rpm limiting is activated when the rotational speed of the combustion engine exceeds an activation rotational speed that lies above the coupling rotational speed of a centrifugal coupling. After activating the start rpm limiting for at least one working cycle, an intervention in the ignition is carried out such that the rotational speed of the combustion engine decreases. After the rotational speed has decreased below a lower engagement rotational speed, an intervention in the ignition is carried out such that the rotational speed increases. If the rotational speed exceeds an upper engagement rotational speed, an intervention in the ignition is again carried out such that the rotational speed decreases. The upper engagement rotational speed and/or the lower engagement rotational speed is/are changed with an increasing number of consecutive working cycles.

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18-02-2016 дата публикации

Methods and systems for starting an engine

Номер: US20160046281A1
Принадлежит: FORD GLOBAL TECHNOLOGIES LLC

Methods and systems are provided for improving engine restart operations in a hybrid vehicle. While an engine is cranked via motor torque, engine fueling is delayed until the engine speed is sufficiently high and the engine has been rotating in a forward direction continuously for a threshold duration. A disconnect clutch between the engine and motor is slipped while the engine cranks, the clutch engaged only after the engine has run up to the motor speed.

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18-02-2016 дата публикации

Charge control device, vehicle control device, vehicle, charge control method and vehicle control method

Номер: US20160046292A1
Автор: Michihiro Miyashita
Принадлежит: Toyota Motor Corp

A charge control device for a battery is mounted on a vehicle, the vehicle comprises an engine, a generator driven with power of the engine, the battery configured to be chargeable with electric power generated by the generator, and auxiliary machinery operated with electric power of the battery. The charge control device comprises: a load condition detector that is configured to detect a load condition of the auxiliary machinery; and a charge controller that is configured to control charging into the battery, based on the load condition of the auxiliary machinery, wherein in response to detection of a state change from a state in which a magnitude of the load of the auxiliary machinery is smaller than a predetermined threshold value to a state in which a magnitude of the load is larger than the predetermined threshold value, the charge controller controls a generated voltage by the generator based on the magnitude of the load of the auxiliary machinery prior to the state change during a time period until a specified time has elapsed after the detection of the state change, and the charge controller controls a generated voltage by the generator based on a magnitude of the load of the auxiliary machinery detected by the load condition detector during a time period after elapse of the specified time.

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18-02-2021 дата публикации

CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE AND CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

Номер: US20210047992A1
Автор: Hamane Shouta
Принадлежит: NISSAN MOTOR CO., LTD.

If an internal combustion engine that has been automatically stopped is to be restarted under a decreased engine speed, a control unit of the internal combustion engine starts cranking when a crank angle of a cylinder in compression stroke of the internal combustion engine is closer to bottom dead center than a threshold value set in advance. More specifically, if an engine speed of the internal combustion engine is in forward rotation, the cranking is begun when the crank angle of the cylinder in compression stroke is closer to the bottom dead center than a threshold value set in advance. If the engine speed of the internal combustion engine is in backward rotation, the cranking is begun when the crank angle of the cylinder in compression stroke is closer to the bottom dead center than another threshold value set in advance. 17.-. (canceled)8. A control method for an internal combustion engine structured to be a drive source of a vehicle , the control method comprising:upon restarting the internal combustion engine being in automatic stop, under a decreased engine speed,starting cranking of the internal combustion engine at a timing at which a crank angle of a cylinder in compression stroke of the internal combustion engine is nearer to bottom dead center than a predetermined threshold value; andin case that the crank angle of the cylinder in compression stroke is nearer to top dead center than the predetermined threshold value,delaying the start of the cranking until the crank angle of the cylinder in compression stroke falls below the predetermined threshold value.9. The control method as claimed in claim 8 , the control method further comprising:setting the predetermined threshold value to a different value depending on whether the internal combustion engine rotates positively rotation or reversely.10. The control method as claimed in claim 8 , the control method further comprising:setting the predetermined threshold value to be variable depending on an engine ...

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15-02-2018 дата публикации

Device for Controlling Operation of Modem for Vehicle in Order to Prevent Battery Discharge and Method for Controlling Same

Номер: US20180043827A1
Принадлежит: LG INNOTEK CO., LTD.

Provided is a device for controlling an operation of a modem for a vehicle in order to prevent battery discharge, comprising: a modem for a vehicle mounted on the vehicle; and a TCU (Telematic Control Unit) for frequently or periodically detecting a communication environment of the modem for the vehicle when the modem for the vehicle enters a standby state mode, and, when the number of times of repetition of a normal service state and a no-service state is larger than or equal to a reference value or when the number of times of repetition of communication network registration is larger than or equal to the reference value, cutting off standby power of the modem for the vehicle even before a standby time preconfigured in the modem terminates. 1. An apparatus for controlling modem operation for preventing a battery discharge in a vehicle , the apparatus comprising:a modem mounted on the vehicle; anda TCU (Telematic Control Unit) configured to monitor a communication environment of the modem when the modem enters a standby state mode; and,cut off standby power of the modem even before a standby time preconfigured in the modem in a first or second condition;wherein the first condition includes a case where the count of reciprocating between a normal service state and a no-service state is larger than or equal to a reference value, andwherein the second condition includes a case where the number of times of repetition of communication network registration is larger than or equal to the reference value.2. The apparatus of claim 1 , wherein the modem sends a power supply termination request signal to the TCU when the preconfigured standby time terminates claim 1 , and the TCU cuts off a power supplied to the modem.3. The apparatus of claim 1 , wherein the TCU maintains the modem in a standby state for a preconfigured standby time in order to start a vehicle or to receive a signal from a user when the vehicle stalls.4. A method for controlling modem operation for preventing ...

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16-02-2017 дата публикации

METHOD OF REDUCING ENGINE NOx EMISSIONS

Номер: US20170045004A1
Принадлежит: FORD GLOBAL TECHNOLOGIES, LLC

A system and method for increasing engine heating rate to facilitate early introduction of exhaust gas recirculation after a cold start include operating an electric machine connect to the engine to apply a load to the engine. The electric machine may be operated as a generator to produce an increased engine torque demand and increase the rate of engine heating until an engine temperature and an exhaust temperature exceed corresponding thresholds. Operation of the electric machine as a generator may be stopped in response to a battery state of charge exceeding a threshold, or engine load exceeding a threshold. 1. A method for controlling a vehicle having an electric machine coupled to an engine having exhaust gas recirculation (EGR) , comprising:operating, by a controller, the electric machine in response to at least one of engine temperature and exhaust gas temperature being below a corresponding threshold to increase engine loading after starting the engine, andactivating the EGR in response to both the exhaust gas temperature and the engine temperature exceeding corresponding thresholds.2. The method of wherein operating the electric machine comprises operating the electric machine as a generator.3. The method of further comprising terminating operation of the electric machine as a generator in response to the engine temperature and the exhaust gas temperature exceeding the corresponding thresholds.4. The method of further comprising stopping the operating of the electric machine as a generator in response to a state of charge of a battery connected to the electric machine exceeding a corresponding threshold.5. The method of wherein the electric machine comprises an integrated starter-generator drivingly connected to the engine.6. The method of wherein the engine comprises a compressor claim 1 , the exhaust gas recirculation comprises a low pressure exhaust gas recirculation that returns exhaust gas to a position upstream from the compressor claim 1 , and the ...

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15-02-2018 дата публикации

Start Control System for Engine and Start Control Method for Engine

Номер: US20180045162A1
Автор: Enomoto Hiroshi
Принадлежит: TOYOTA JIDOSHA KABUSHIKI KAISHA

A start control system for an engine is provided. The engine is a direct injection engine, and the engine is provided with a starter motor. The start control system includes an electronic control unit. The electronic control unit is configured to execute fuel injection and ignition in a cylinder in an expansion stroke so as to start the engine without using the starter motor, when the electronic control unit determines that a restart condition of the engine is satisfied immediately before the engine is stopped. The electronic control unit is configured to control an ignition delay time based on at least one of a rotational direction and a rotational speed of a crankshaft, during execution of the fuel injection. The ignition delay time is a period of time from fuel injection into the cylinder in the expansion stroke to ignition. 1. A start control system for an engine , the engine being a direct injection engine , the engine being provided with a starter motor , an electronic control unit configured to execute fuel injection and ignition in a cylinder in an expansion stroke so as to start the engine without using the starter motor, when the electronic control unit determines that a restart condition of the engine is satisfied immediately before the engine is stopped,', 'the ignition delay time being a period of time from fuel injection into the cylinder in the expansion stroke to ignition.', 'the electronic control unit being configured to control an ignition delay time based on at least one of a rotational direction and a rotational speed of a crankshaft, during execution of the fuel injection,'}], 'the start control system comprising'}2. The start control system for the engine according to claim 1 , wherein:the electronic control unit is configured to determine a rotating condition of the crankshaft; andthe electronic control unit is configured to set the ignition delay time to a shorter time as the rotational speed of the crankshaft is higher, when the electronic ...

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