Aktuator für Lenkgetriebe

Fremdkraft-Lenkeinrichtung

Fremdkraft-Lenkeinrichtung nach dem Steer-By-Wire-Prinzip, mit hydraulischem Steuerventil (12) zur Steuerung eines hydraulischen Lenkstellers (13) und mit Elektromotor (10) zur Aufbringung des Drehmomentes, durch welches das Steuerventil (10) gesteuert wird, sowie mit Sollwertsensor (2) für eine Lenkhandhabe (1), welcher Sollwerte für einen Regelkreis liefert, in welchem der Lenksteller (13) in der Regelstrecke angeordnet ist, an welcher ein Istwertsensor (4) vorgesehen ist. DOLLAR A Der Drehmomentübertragungsstrang ist ständig von der Lenkhandhabe (1) mechanisch entkoppelt. DOLLAR A Das Steuerventil (12) ist im Drehmomentübertragungsstrang zwischen einem Untersetzungsgetriebe (11) und dem Lenksteller (13) angeordnet. Die über den Drehmomentübertragungsstrang ausübbare elektromechanische Lenkfunktion und die über das Steuerventil (12) und den Lenksteller (13) ausübbare hydraulische Lenkfunktion unterstützen einander im Normalbetrieb, und die elektromechanische Lenkfunktion wirkt im Notbetrieb ...

Steering method and steering system for an industrial truck

A steering method and a steering system for an industrial truck, in which, by means of a steering transducer (37), in particular a steering wheel, at least one steerable wheel (2) is steered manually by a hydraulic or mechanical connection to the steering transducer (37), the angular position of the at least one manually steered wheel (2) is detected, and at least one further steerable wheel (3) is steered, driven by a motor, depending on the detected angular position.

STEERING SYSTEM FOR A VEHICLE

... ²²²² A steering system (1) for a vehicle, in particular a ²hydraulically assisted power-steering system for a motor ²vehicle, having a steering spindle (2) that connects a ²steering handle (3) on its one end to a rotary slide valve or ²rotary pistons (4) of a steering valve (5) via a first torsion ²element (6). The steering system (1) has a hydraulic ²servomotor (7) for actuating an output member (8) of a ²steering gear (9), a flow,of pressurized media into working ²chambers of the hydraulic servomotor (7) being controlled by ²the steering valve (5). The steering system additionally has ²an electric servomotor (10) for actuating the output member ²(8). In order to provide a steering system, whose hydraulic ²servomotor is assisted, during operation, both mechanically by ²a steering handle and by an electric servomotor and is fail-safe, ²it is provided that the electric servomotor (10) and the ²steering spindle (2) act upon a common rotating member (11) ²between the first torsion element ...

DIRECTION ASSISTEE FOR MOTOR VEHICLES

L'invention concerne une direction assistée pour véhicules automobiles. Ce dispositif comprend une servo-soupape (2) dont les éléments de commande (2', 2") sont couplés selon une liaison motrice par l'intermédiaire d'un système formant ressort, l'une d'elle étant reliée selon une liaison motrice aux roues orientables du véhicule, et un volant (14) actionne un générateur de valeur de consigne (15) qui coopère au moyen d'une section de régulation (16) avec un moteur de réglage (18, 19) qui est relié selon une liaison motrice à l'autre élément de commande (2') et/ou est disposé entre les éléments de commande (2', 2") pour leur rotation réciproque. Application notamment aux directions assistées de voitures de tourisme. The invention relates to power steering for motor vehicles. This device comprises a servo-valve (2) whose control elements (2 ', 2 ") are coupled in a driving connection via a spring system, one of them being connected in a connection drive to the steerable wheels of the vehicle, and a steering wheel (14) operates a setpoint generator (15) which cooperates by means of a regulating section (16) with a regulating motor (18, 19) which is connected according to a driving connection to the other control element (2 ') and / or is arranged between the control elements (2', 2 ") for their reciprocal rotation. Application in particular to the power steering of passenger cars.

ACTUATOR, IN PARTICULAR WHEEL ACTUATOR PROVIDED WITH A DRIVE

Die Erfindung betrifft einen Aktuator (1), insbesondere einen Radaktuator für ein steer-by-wire-Lenksystem eines Fahrzeugs. Ein oder mehrere Elektromotoren (2) treiben über ein Untersetzungsgetriebe (7) einen Drehschieber (11) oder eine Steuerbuchse (12) eines hydraulischen Stellventils (3) an. Das hydraulische Stellventil (3) misst Arbeitsräumen (25, 26) eines Servozylinders (4) des Aktuators (1) Druckmittel zu. Um den Bauraum des Aktuators (1) zu minimieren und Stellkräfte zu ermöglichen, die geeignet sind, den Aktuator (1) für ein Lenksystem für schwere PKW und Nutzkraftwagen einzusetzen, ist vorgesehen, das Untersetzungsgetriebe (7) zumindest zweistufig zu gestalten, wobei ein Zwischenrad (8) als erste Getriebestufe (9) zwischen einem Ritzel (24) des Elektromotors und einem Rad (10) dient. Das Rad (10) ist drehfest mit dem Drehschieber (11) oder der Steuerbuchse (12) des hydraulischen Stellventils (3) verbunden.

Method for position regulation of an electric drive and for steering a motor vehicle by means of a steer-by-wire system

A steer-by-wire system has a structure that supports the development of a modular software program. The structure according to the invention also permits interfaces with higher-order and collateral functions. The steer-by-wire steering system of the invention therefore has versatility of application and is readily adaptable to customer preferences. (FIG. 1) ...

METHOD FOR POSITION REGULATION OF AN ELECTRIC DRIVE AND FOR STEERING A MOTOR VEHICLE BY MEANS OF A STEER-BY-WIRE SYSTEM

Actuator for steer-by-wire steering system with dry-running clutch and transmission and part of clutch integrated in transmission

Part of the clutch (6) is integrated in the dry-running transmission (12). The gearwheel (8) is also used as a clutch plate (13). The clutch can be operated under load and has self-locking serration (7). At least one transmission wheel has coated running surfaces with higher wear-resistance and lower friction coefficient than the associated base material. The surfaces are subjected to PVD, mechanical, or galvanic coating, or ion implantation. The actuator is a combined steering actuator (3) and steering wheel actuator (2).

Lenkwinkelerfassungsgerät für Kraftfahrzeuge

POWER STEERING SYSTEM

The invention relates to a power steering system for motor vehicles that comprises a controlling device (1) for controlling vehicle wheels. To this end, the controlling device (1) comprises a servomotor (2) for driving at least one gear train (3) that is connected to a worm shaft (4). Said worm shaft (4) actuates a piston (5) of a double-sided cylinder (6). The shape of the piston (5) and a boring (7) of the cylinder (6), said boring being matched to said piston (5), are such that the piston (5) and the cylinder (6) are torsionally fixed with regard to one another.

Steer-by-wire steering installation for vehicles has hydro-pump driven by steering wheel and in steer-by-wire operation, steering adjuster is driven by electric motor and assisted hydraulically

A steer-by-wire steering installation for vehicles has a hydraulic steering adjuster (8) working on the wheels (3) and controlled according to the wish of the driver, a pressurized oil pump (14) and a feedback actuator (17) transmitting reaction effects of the street upon the steering wheel (1). A hydro-pump (20) is present driven by the steering wheel. In the steer-by-wire operation, the steering adjuster is driven by an electric motor and assisted hydraulically. The hydraulic assistance of the steering adjuster is controlled by a rotary valve (12) driven by an electric motor. With the operation of the fall-back plane, the steering adjuster is driven by the hydro-pump.

Aktuator

Die Erfindung betrifft einen Aktuator (1), insbesondere einen Radaktuator für ein steer-by-wire-Lenksystem eines Fahrzeugs. Ein oder mehrere Elektromotoren (2, 2') treiben über ein Untersetzungsgetriebe (6) einen Drehschieber (8) oder eine Steuerbuchse (9) eines hydraulischen Stellventils (3) für einen Servozylinder an. Ferner treiben die Elektromotoren (2, 2') ein axial unbewegliches, eine Drehbewegung in eine Translationsbewegung umformendes Bauelement (4) einer Bewegungsschraube (5) des Aktuators (1) an. Um den Bauraum des Aktuators (1) zu minimieren und Stellkräfte zu ermöglichen, die geeignet sind, den Aktuator (1) für ein Lenksystem schwerer PKW und Nutzkraftwagen einzusetzen, ist vorgesehen, das Untersetzungsgetriebe (6) zumindest zweistufig zu gestalten, wobei ein Ritzel (16) oder Rad an einer Welle (11) der Elektromotoren (2, 2') ein Zwischenrad (7) antreibt. Das Zwischenrad (7) ist drehfest mit einem Drehschieber (8) des hydraulischen Stellventils (3) verbunden. Der Drehschieber ...

POWER-STEERING DEVICE

This power-steering device is provided with a main unit (DB) and a hollow motor (30). The main unit (DB) has a steering mechanism in which steering (rotational) torque transmitted from an input shaft (11) to an output shaft (12) is converted into rotation of a sector shaft (17) via axial movement of a piston (16), thereby changing a steering angle. Said piston (16) is disposed so as to encircle the output shaft (12) with a ball-screw mechanism (20) interposed therebetween. The hollow motor (30) encircles the input shaft (11) and is coupled thereto, and the flow of current to the hollow motor (30) is controlled on the basis of driving-assistance information from a vehicle-mounted camera or the like. The hollow motor (30) is coupled to the input shaft (11) via a key linkage comprising a key (25) protruding from the outer surface of the input shaft (11) and a key groove (39e) cut into the inner surface of a rotor (31) that is part of the hollow motor (30).

DEVICE FOR STEERING A MOTOR VEHICLE

L'invention concerne un système de direction (1) d'un véhicule, comportant un organe de commande de direction pouvant être commandé par le conducteur et une assistance de direction (2) de préférence hydraulique. L'organe de commande de direction peut agir par l'intermédiaire de l'assistance de direction (2) sur l'angle de braquage d'au mois une roue du véhicule. Une unité de direction électrique (3) peut également agir par l'intermédiaire de l'assistance de direction hydraulique (2) sur l'angle de braquage de la roue.

Hydraulic power steering for motor vehicles

Electric-control multimode steering valve, steering hydraulic control system, and wheel type crane

Disclosed is an electric-control multimode steering valve. The steering valve comprises: a flow distributing and collecting valve (Y), a first electromagnetic exchange valve (Y1), and a second electromagnetic exchange valve (Y2). A valve body comprises four groups of paired valve oil ports. First oil ports of the first electromagnetic exchange valve (Y1) and the second electromagnetic exchange valve (Y2) are respectively in communication with a first group of valve oil ports (P ...

STEERING SYSTEM FOR A VEHICLE

The invention concerns a steering system (1) for a vehicle, in particular a hydraulic-driven power steering system, comprising a steering shaft (2) connecting one end of a steering member (3) to a rotary slide valve or a rotary piston (4) of a steering valve (5) by means of a first rotating element (6). The steering system (1) comprises a hydraulic servomotor (7) actuating an output element (8) of the steering mechanism (9), the steering valve (5) controlling a pressure agent flow in the working spaces of the hydraulic servomotor (7), and the output element (8) being further actuated by an electrical servomotor (10). The invention aims at providing a steering system whereof the hydraulic servomotor, with integrated safety, is assisted by both the mechanical steering member and the electrical servomotor. Therefor, the electrical servomotor (10) and the steering shaft (2) act on the common rotating element (11) located between the first rotating element (6) and the rotary slide valve or the ...

Electric-control multimode steering valve, steering hydraulic control system, and wheel type crane

An electric-control multimode steering valve comprises: a flow distributing and collecting valve, a first electromagnetic valve, and a second electromagnetic valve. A valve body comprises four groups of paired valve oil ports. First oil ports of the first and second electromagnetic valves are in communication with a first group. Second oil ports of the first and second electromagnetic valves are in communication with a second group. A third oil port of the first electromagnetic valve is in communication with a flow collecting port of the flow distributing and collecting valve. A first flow distributing port of the flow distributing and collecting valve and a third oil port of the second electromagnetic valve are in communication with a third group. A second flow distributing port of the flow distributing and collecting valve and the third oil port of the second electromagnetic valve are in communication with a fourth group.

STEERING SYSTEM FOR MOTOR VEHICLES

The invention relates to a steering system, particularly for motor vehicles, comprising a steering wheel (1) that is connected to a steering wheel actuator (2). The steering wheel actuator (2) corresponds with a differential drive (11) having at least one servo-motor (12) for driving at least one gear stage (13) connected to a steering rack (15). In order to hydraulically support the steering rack movement, a hydraulic device (7) is provided, which has a steering valve (6) that can be actuated by the differential drive (11). The steering wheel (1) can also be connected to the steering valve (6) by the closing of a brakable coupling (4).

Hydraulically powered steering apparatus with electrically powered backup

An apparatus (10) for turning the steerable wheels (17) of a vehicle in response to the turning of the steering wheel (12). The apparatus (10) includes a drive mechanism (16), a first motor (24), a second motor (74), a sensor (78) for sensing that the first motor (24) is inoperative, and a torque sensor (80). In response to the turning of the steering wheel (12), the drive mechanism (16) is actuated, resulting in a turning the steerable wheels (17). The first motor (24), for inputting motion to the drive mechanism (16), is hydraulically powered. The second motor (74), for inputting motion to the drive mechanism (16), is electrically powered. The sensor (78) for sensing that the first motor (24) is inoperative produces an enabling signal and communicates the enabling signal to the second motor (74) to enable the.operation of the second motor (74). The torque sensor (80) responds to the turning of the steering wheel (12) and controls the second motor (74) when the second motor (74) is enabled ...

КЛАПАН МНОГОРЕЖИМНОГО РУЛЕВОГО УПРАВЛЕНИЯ С ЭЛЕКТРИЧЕСКИМ УПРАВЛЕНИЕМ, ГИДРАВЛИЧЕСКАЯ СИСТЕМА РУЛЕВОГО УПРАВЛЕНИЯ И КРАН КОЛЕСНОГО ТИПА

FIELD: machine building. SUBSTANCE: disclosed is a multimode steering valve with electric control. Steering valve comprises: a valve for collection and distribution of flows, the first electromagnetic exchange valve and the second electromagnetic exchange valve. Valve body comprises four groups of doubled hydraulic valve ports. First hydraulic ports of the first electromagnetic exchange valve and the second electromagnetic exchange valve are connected with the first group of hydraulic valve ports of the valve body, respectively. Second hydraulic ports of the first electromagnetic exchange valve and the second electromagnetic exchange valve are connected with the second group of hydraulic valve ports of the valve body, respectively. Third hydraulic port of the first electromagnetic exchange valve is connected with the port of collecting the valve flows for collection and distribution of the flows. First port of the valve flow distribution for collection and distribution of the flows and the third hydraulic port of the second electromagnetic exchange valve are connected with the third group of hydraulic valve ports of the valve body, respectively. Second port of the valve flow distribution for collection and distribution of the flows and the third hydraulic port of the second electromagnetic exchange valve are connected with the fourth group of hydraulic valve ports of the valve body, respectively. Additionally disclosed are a hydraulic steering system and a wheel-type valve. EFFECT: steering valve can perform multimode steering of mechanical vehicles, show reliable operation and have low cost. 10 cl, 10 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 604 466 C1 (51) МПК F15B 13/044 (2006.01) B62D 5/09 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2015111565/06, 15.11.2013 (24) Дата начала отсчета срока действия патента: 15.11.2013 Приоритет(ы): (30) Конвенционный приоритет: (45) Опубликовано: 10.12. ...

BREMSSYSTEM FÜR FEEDBACK VON DER LENKUNG

Ein Bremssystem für die Abgabe fühlbaren Feedbacks in einem Fahrzeuglenksystem. Das Bremssystem schließt eine Eingabewelle und einen auf die Welle, die sich als Reaktion auf Lenkbewegungen am Lenkrad dreht, reagierenden Kolben. Ein Reibelement übermittelt eine Grundlast auf den Kolben, und eine elektromagnetische Spule wirkt mit einer variablen Last auf den Kolben. Ein Gehäuse des Bremssystems schließt eine feste Komponente und eine zwischenliegende Komponente ein, die über Gewinde miteinander verbunden sind, um die Grundlast auszuüben. Eine einstellbare Komponente des Gehäuses ist über Gewinde mit der zwischenliegenden Komponente verbunden, um die variable Last zu kalibrieren. Das Reibelement befindet sich und greift zwischen dem Kolben und dem Zwischengehäuse ein, um die Feedback-Lasten zu übertragen.

Power steering for motor vehicles

AUTOMOTIVE STEERING SYSTEM PROCESS FOR THE PRODUCTION OF BIS-HALOGEN CARBONYL ANILINES

... 1424937 Power steering NISSAN MOTOR CO Ltd 1 March 1974 [5 March 1973 20 March 1973] 9308/74 Heading B7H In a power steering system an electric control circuit produces a signal in response to turning of the steering wheel 102 to actuate a motor 98 which rotates a piston valve 40 controlling fluid to a hydromechanical leverage unit 14 which effects right or left turn of the steered road wheels, the piston-valve 40 also moving longitudinally between first and second positions across an equilibrium depending on its rotational position, and a valve reset mechanism operatively connected between the leverage unit 14 and the piston-valve 40 moves the piston-valve from the first or second position back to the equilibrium position. When the wheel 102 is turned to effect right turn, say, of the wheels 12, the rotational movement is modulated to an angle sensor 110 and the signal delivered to control module 112 is further modified in accordance with signals from the vehicle velocity sensor 114, and ...

POWER STEERING

STEERING SYSTEM FOR MOTOR VEHICLES

The invention relates to a steering system, particularly for motor vehicles, comprising a steering wheel (1) that is connected to a steering wheel actuator (2). The steering wheel actuator (2) corresponds with a differential drive (11) having at least one servo-motor (12) for driving at least one gear stage (13) connected to a steering rack (15). In order to hydraulically support the steering rack movement, a hydraulic device (7) is provided, which has a steering valve (6) that can be actuated by the differential drive (11). The steering wheel (1) can also be connected to the steering valve (6) by the closing of a brakable coupling (4).

Hydraulische Servolenkung

Die Erfindung betrifft eine hydraulische Servolenkung (1) für ein Fahrzeug, insbesondere eine elektrohydraulische Servolenkung für ein Kraftfahrzeug, mit einem Servoventil (2), dessen Relativbewegung seiner Steuerteile eine Kolbenstange (3) eines Servozylinders (4) betätigt und zumindest einen Lenkwinkel (beta) eines mit der Kolbenstange (3) wirkverbundenen Rades (5) verändert. die Servolenkung (1) weist ferner einen elektrischen Servomotor (6), der eine Stange (7) zur gleichsinnigen Lenkwinkelverstellung des Rades (5) mit dem Servozylinder (4) antreibt, auf. DOLLAR A Um eine möglichst im Bereich ihres Aktuators kleinbauende elektrohydraulische Servolenkung zu schaffen, die flexibel für verschiedene Fahrzeugklassen einsetzbar ist, ist erfindungsgemäß vorgesehen, die Stange (7) und die Kolbenstange (3) des Servozylinders (4) in parallelter Anordnung zueinander auf ein Additionsglied (8) zur gemeinsamen Lenkwinkelverstellung des Rades (5) wirkzuverbinden.

ELECTRIC-CONTROL MULTIMODE STEERING VALVE, STEERING HYDRAULIC CONTROL SYSTEM, AND WHEEL TYPE CRANE

Disclosed is an electric-control multimode steering valve. The steering valve comprises: a flow distributing and collecting valve (Y), a first electromagnetic exchange valve (Y1), and a second electromagnetic exchange valve (Y2). A valve body comprises four groups of paired valve oil ports. First oil ports of the first electromagnetic exchange valve (Y1) and the second electromagnetic exchange valve (Y2) are respectively in communication with a first group of valve oil ports (PR, PL) of the valve body. Second oil ports of the first electromagnetic exchange valve (Y1) and the second electromagnetic exchange valve (Y2) are respectively in communication with a second group of valve oil ports (A1, B1) of the valve body. A third oil port of the first electromagnetic exchange valve (Y1) is in communication with a flow collecting port of the flow distributing and collecting valve (Y). A first flow distributing port of the flow distributing and collecting valve (Y) and a third oil port of the second ...

ELECTRIC-CONTROL MULTIMODE STEERING VALVE, STEERING HYDRAULIC CONTROL SYSTEM, AND WHEEL TYPE CRANE

Disclosed is an electric-control multimode steering valve. The steering valve comprises: a flow distributing and collecting valve (Y), a first electromagnetic exchange valve (Y1), and a second electromagnetic exchange valve (Y2). A valve body comprises four groups of paired valve oil ports. First oil ports of the first electromagnetic exchange valve (Y1) and the second electromagnetic exchange valve (Y2) are respectively in communication with a first group of valve oil ports (PR, PL) of the valve body. Second oil ports of the first electromagnetic exchange valve (Y1) and the second electromagnetic exchange valve (Y2) are respectively in communication with a second group of valve oil ports (A1, B1) of the valve body. A third oil port of the first electromagnetic exchange valve (Y1) is in communication with a flow collecting port of the flow distributing and collecting valve (Y). A first flow distributing port of the flow distributing and collecting valve (Y) and a third oil port of the second ...

Hydraulic steering for motor vehicles

Motor vehicle hydraulic steering system, such as a steer-by wire system, has a translational control valve member whose movement is controlled by relative rotation of gear wheels attached to the drive shaft Hydraulic steering system for motor vehicles with a steering lever, which controls the wheel positions without a forced coupling, comprises a drive shaft (13) with a rigidly coupled gear wheel (6) and a decoupled gear wheel (7) for transfer of the turning torque to the vehicle wheels. The two gear wheels are designed so that they turn relative to each other. A translational control member (22) is moved by a relative rotation of the wheels in an axial direction along the drive shaft.

Steering apparatus for turning multiple sets of steerable vehicle wheels

A steering apparatus (10) for turning steerable wheels of a vehicle having first and second sets (14 and 16) of steerable wheels comprises a first steering gear (22) actuatable, in response to rotation of a handwheel (110), to effect turning of the first set (14) of steerable wheels. The steering apparatus (10) also comprises second and third steering gears (24 and 26), each of which is independently actuatable to effect turning of the second set (16) of steerable wheels and thereby providing redundancy for turning of the second set (16) of steerable wheels. A sensor (112) senses a steering position of the first set (14) of steerable wheels and provides a steering signal indicative of the sensed steering position. A controller (114) receives the steering signal and, in response to the steering signal, controls actuation of the second and third steering gears (24 and 26).

Steer-by-Wire-Lenksystem für ein Kraftfahrzeug

Die Erfindung betrifft ein Steer-by-Wire-Lenksystem für ein Kraftfahrzeug. DOLLAR A Das Steer-by-Wire-Lenksystem weist eine von einem Fahrer des Kraftfahrzeugs betätigbare Lenkeinrichtung (2) auf, wobei die Lenkeinrichtung (2) mit einer Lenksäule (3) drehfest verbunden ist. Ferner ist ein Sensor (6) vorhanden, wobei der Sensor (6) der Lenksäule (3) zugeordnet ist und Signale eines vom Fahrer auf die Lenkeinrichtung (2) angelegten Fahrer-Lenkmoments und/oder Fahrer-Lenkwinkels ermittelt. Die vom Sensor (6) ermittelten Signale werden einer Steuerungseinrichtung (7) zugeführt. Ein Stellmotor (8) ist von der Steuerungsvorrichtung (7) steuerbar. Der Stellmotor (8) legt ein Lenkmoment und/oder einen Lenkwinkel an ein Lenkgetriebe (4). DOLLAR A Erfindungsgemäß ist eine Lenkmoment-Unterstützungseinrichtung (11) vorhanden, die zusätzlich zu dem von dem Stellmotor (8) an das Lenkgetriebe (4) angelegten Lenkmoment ein Unterstützungslenkmoment an das Lenkgetriebe (4) anlegt.

Am Fahrzeug montierte Einrichtung

Eine am Fahrzeug montierte Einrichtung umfasst: eine erste Spannungsumwandlungsschaltung, die dazu konfiguriert ist, eine Spannung einer elektrischen Leistung, die von einer ersten elektrischen Leistungsversorgungsschaltung zugeführt wird, in eine erste vorbestimmte Spannung umzuwandeln; eine erste Steuerschaltung, die so konfiguriert ist, dass sie durch die elektrische Leistung der ersten vorbestimmten Spannung betrieben wird, die von der ersten Spannungsumwandlungsschaltung zugeführt wird, und ein erstes Aktuatorbefehlssignal ausgibt; einen ersten Aktuator, der so konfiguriert ist, dass er auf der Basis des ersten Aktuatorbefehlssignals betätigt wird; eine zweite Spannungsumwandlungsschaltung, die dazu konfiguriert ist, eine Spannung einer elektrischen Leistung, die von einer zweiten elektrischen Leistungsversorgungsschaltung zugeführt wird, in eine zweite vorbestimmte Spannung umzuwandeln; eine zweite Steuerschaltung, die so konfiguriert ist, dass sie durch die elektrische Leistung der zweiten vorbestimmten Spannung betrieben wird, die von der zweiten Spannungsumwandlungsschaltung zugeführt wird, und ein zweites Aktuatorbefehlssignal ausgibt; und einen zweiten Aktuator, der so konfiguriert ist, dass er auf der Basis des zweiten Aktuatorbefehlssignals betätigt wird.

HYDRAULIC POWER STEERING SYSTEM

The invention relates to a hydraulic power assisted steering system (1) for a vehicle, in particular an electrohydraulic power assisted steering system for a motor vehicle. Said hydraulic power assisted steering wheel comprises a servo valve (2) and the relative movement thereof actuates control parts thereof of a piston rod (3) of a servocylinder (4) and modifies at least one steering angle (.beta.) of a wheel (5) which co-operates with the piston rod (3). The power assisted steering system (1) also comprises an electric servomotor (6) which drives a rod (7) which is used to adjust the steering angle of the wheel (5) in the same direction as the servocylinder (4). The aim of the invention is to produce an electrohydraulic power assisted steering system (1) which is compact as possible in the region of the actuator and which can be used in a flexible manner for different vehicle classes. According to the invention, the rod (7) and the piston rod (3) of the servocylinder (4) are arranged in a parallel manner in relation to each other and interact with each other on an additional element (8) for adjusting the common steering angle of the wheel (5).

HYDRAULIC POWER ASSISTED STEERING SYSTEM

The invention relates to a hydraulic power assisted steering system (1) for a vehicle, in particular an electrohydraulic power assisted steering system for a motor vehicle. Said hydraulic power assisted steering wheel comprises a servo valve (2) and the relative movement thereof actuates control parts thereof of a piston rod (3) of a servocylinder (4) and modifies at least one steering angle (β) of a wheel (5) which co-operates with the piston rod (3). The power assisted steering system (1) also comprises an electric servomotor (6) which drives a rod (7) which is used to adjust the steering angle of the wheel (5) in the same direction as the servocylinder (4). The aim of the invention is to produce an electrohydraulic power assisted steering system (1) which is compact as possible in the region of the actuator and which can be used in a flexible manner for different vehicle classes. According to the invention, the rod (7) and the piston rod (3) of the servocylinder (4) are arranged in a ...

Servo-assisted steering system for an automotive vehicle, acts as a back-up in case of malfunction of the hydraulic system

There is an actuator (14) for the vehicle wheels, which includes a servo-motor (4), and a control valve (11) directed by a control device (7), the actuation of the control valve ensured by the servo-motor stator. The steering servo includes a steering lever (1) serving to actuate a data value emitter (2) for regulating a certain turning angle of the vehicle wheels (5). It equally includes an emitter of real value (3) for detecting the real value of the turning angle.

Hydraulische Servolenkung mit elektrischem Reservesystem

Power steering for motor vehicles

A power steering system for motor vehicles has a rotary-slide servovalve 2 with the control parts 2', 2'' coupled to one another via a spring in the form of a torsion bar 10 and one control part coupled to the steering rack 13 through a pinion 12. A desired-value generator 15 is actuated by a steering wheel 14 and an electric actuating motor 11 adjusts the servovalve 2 under the control of a regulating circuit 16 which compares the desired value and the actual position of the steering, detected by sensor 17. The valve 2 is also adjustable by a hydraulic actuator 18, 19, 20 from a hydraulic circuit controlled by regulating circuit 16, allowing two independent control functions to actuate the valve. The valve may be provided with only one of the electric and hydraulic actuators (Figs 1 and 2).

Electronic controlled steering system with hydraulic power assistance for motor vehicles

The steering wheel 17 actuates a desired-value generator 18 which is operatively connected via an electronic controller 19 to an actuating motor 10, which may be electric. The motor 10 rotates a worm 8 which steers the vehicle guiding wheels 2 via a worm gearwheel 7, and rack 4 and pinion 5 steering gear. As soon as the steering actuating forces exceed a threshold value, axial displacement of the worm 8 from its normal position counter to a resilient force (27, Figs 2 to 4) actuates a closed centre servovalve arrangement 12 connected to a hydraulic servomotor in the form of a piston/cylinder assembly 13, to provide hydraulic power assistance.

DIRECTION ASSISTEE FOR MOTOR VEHICLES

HYDRAULIC POWER STEERING FOR MOTOR VEHICLES

Cette direction assistée est du type ne possédant pas de liaison mécanique entre un organe de commande manuelle de direction et les roues directrices. Le volant (17), ou un autre organe de commande manuelle de direction, actionne un générateur de valeur de consigne (18) relié fonctionnellement à travers un système de régulation (régulateur 19) à un moteur de positionnement électrique (10) qui braque les roues directrices (2) du véhicule en conséquence tant que les forces ou les couples transmis par un élément déplaçable (8) sont relativement faibles. Dès que les forces de positionnement à fournir par le moteur (10) dépassent un seuil, l'action de ce moteur reçoit l'assistance d'un servomoteur hydraulique (13). Applicable à la direction assistée de véhicules automobiles. This power-assisted steering is of the type not having a mechanical connection between a manual steering control member and the steered wheels. The steering wheel (17), or other manual steering control device, actuates a setpoint generator (18) operatively connected through a regulation system (regulator 19) to an electric positioning motor (10) which steers the steering wheels (2) of the vehicle accordingly as long as the forces or torques transmitted by a movable element (8) are relatively small. As soon as the positioning forces to be supplied by the motor (10) exceed a threshold, the action of this motor receives the assistance of a hydraulic servomotor (13). Applicable to the power steering of motor vehicles.

STEER-BY-WIRE STEERING SYSTEM WITH ROAD FEEL

A steering apparatus (10) for a vehicle having steerable road-engaging wheels comprises a rotatable steering wheel (11) and a sensor (12) which senses the rotational position of the steering wheel and generates a first signal corresponding to the sensed rotational position of the steering wheel (11). A first electric motor (14), when energized, resists rotation of the steering wheel (11). A second electric motor (20) is controlled by the signal generated by the sensor for sensing the rotational position of the steering wheel (11). A steering gear (130) is actuated by the second electric motor (20) to turn the steerable wheels of the vehicle. An electrical circuit (19) includes the first and second motors (14 and 20) in series.

Steering apparatus with plural motors

An apparatus ( 10 ) for use in turning steerable vehicle wheels ( 12, 14 ) includes first and second piston and cylinder type hydraulic motors ( 32, 34 ) which are connected with a central portion of a vehicle. A steering control valve ( 24 ) is operable in response to manual rotation of a steering wheel ( 18 ) to effect extension and contraction of the first and second hydraulic motors. A rack and pinion steering gear ( 110, 114 ) may be connected with a piston rod ( 86 ) of one of the hydraulic motors ( 32 ). A secondary control valve ( 200 ) may be provided to effect operation of one of the hydraulic motors to a greater extent than the other hydraulic motor.

Electric-control multimode steering valve, steering hydraulic control system, and wheel type crane

Disclosed is an electric-control multimode steering valve. The steering valve comprises: a flow distributing and collecting valve (Y), a first electromagnetic exchange valve (Y1), and a second electromagnetic exchange valve (Y2). A valve body comprises four groups of paired valve oil ports. First oil ports of the first electromagnetic exchange valve (Y1) and the second electromagnetic exchange valve (Y2) are respectively in communication with a first group of valve oil ports (P ...

HYDRAULIC POWER STEERING SYSTEM

... ²²²The invention relates to a hydraulic power assisted steering system (1) for a ²vehicle, in particular an electrohydraulic power assisted steering system for ²a motor vehicle. Said hydraulic power assisted steering wheel comprises a ²servo valve (2) and the relative movement thereof actuates control parts ²thereof of a piston rod (3) of a servocylinder (4) and modifies at least one ²steering angle (.beta.) of a wheel (5) which co-operates with the piston rod ²(3). The power assisted steering system (1) also comprises an electric ²servomotor (6) which drives a rod (7) which is used to adjust the steering ²angle of the wheel (5) in the same direction as the servocylinder (4). The aim ²of the invention is to produce an electrohydraulic power assisted steering ²system (1) which is compact as possible in the region of the actuator and ²which can be used in a flexible manner for different vehicle classes. ²According to the invention, the rod (7) and the piston rod (3) of the ²servocylinder ...

Verfahren und Vorrichtung zur Momentensteuerung oder -regelung eines Elektromotors

Verfahren zur Steuerung oder Regelung eines von einem Elektromotor (13) abgegebenen Moments (M), wobei der Momentensteuerung oder -regelung unterlagert der Strom (i1, i2, i3) des Elektromotors (13) geregelt wird und der Elektromotor (13) von einem Umrichter (15) angesteuert wird, dadurch gekennzeichnet, dass mittels eines der Stromregelung unterlagerten Spannungsreglers (26) die Spannungsausgangsgrößen (u1, u2, u3) des Umrichters (15) derart geregelt werden, dass sie ein vorgebbares dynamisches Verhalten aufweisen.

Steer-by-wire steering system with road feel

POWER STEERING

La présente invention concerne une servodirection pour véhicules automobiles. Cette servodirection comprend un levier de direction (1) servant à actionner un émetteur de valeurs de consigne (2) pour le réglage d'un certain angle de braquage des roues (5) du véhicule. Elle comprend également un émetteur de valeurs réelles (3) pour détecter la valeur réelle de l'angle de braquage. Un dispositif actionneur (14) pour les roues du véhicule, qui comporte au moins un servomoteur (4) et une soupape de commande (11) est piloté au moyen d'un dispositif de commande (7). L'actionnement de la soupape de commande (11) est assuré par un stator du servomoteur (4). The present invention relates to a power steering for motor vehicles. This power steering comprises a steering lever (1) serving to actuate a setpoint transmitter (2) for the adjustment of a certain steering angle of the wheels (5) of the vehicle. It also includes an actual value transmitter (3) for detecting the actual value of the steering angle. An actuator device (14) for the wheels of the vehicle, which comprises at least one booster (4) and a control valve (11) is controlled by means of a control device (7). The control valve (11) is actuated by a stator of the servomotor (4).

HYDRAULIC POWER STEERING FOR MOTOR VEHICLES

Steer-by-wire steering apparatus with redundant electric motor drive systems

A steering apparatus ( 10 ) includes first and second assemblies ( 16 and 26 ). The second assembly ( 26 ) includes a steering gear ( 28 ) and first and second drive units ( 30 and 32 ), each for actuating the steering gear ( 28 ). The second assembly ( 26 ) has first and second modes of operation. The first and second drive units ( 30 and 32 ) operate simultaneously for actuating the steering gear ( 28 ) when the second assembly ( 26 ) is operating in the first mode of operation. Only one of the first and second drive units ( 30 and 32 ) is operated when the second assembly ( 26 ) is operating in the second mode of operation.

Steering angle detecting apparatus for motor vehicles

Steering system e.g. four wheel steering system, for e.g. bulldozer, has measuring engine to allow rotation of rotary valve, and operating rotary engine as pump for pumping fluid, during failure of system pump

The system (1) has a system pump (2) for supplying fluid that flows to a steering actuator (4) via a rotary valve and a measuring engine. The engine allows rotation of the rotary valve. The engine operates a rotary engine as a pump for pumping the fluid, during failure of the system pump. The rotary valve and the measuring engine are combined in a steering unit in which the rotary valve and the measuring engine are operated by a common rotary shaft (5). An independent claim is also included for a method for operating a steering system.

Fremdkraftlenkanlage

Eine Fremdkraftlenkanlage für Kraftfahrzeuge weist eine Stelleinrichtung (1) zum Aussteuern von Fahrzeugrädern auf. Die Stelleinrichtung (1) weist dabei einen Stellmotor (2) zum Antreiben wenigstens einer mit einer Schneckenwelle (4) verbundenen Getriebestufe (3) auf. Die Schneckenwelle (4) betätigt einen Kolben (5) eines doppelseitigen Zylinders (6). Die Form des Kolbens (5) und eine an den Kolben (5) angepaßte Bohrung (7) des Zylinders (6) sind derart ausgebildet, daß der Kolben (5) und der Zylinder (6) zueinander verdrehsicher sind.

Hydraulic power steering for motor vehicles

Electric steering apparatus

Steering method and steering system for an industrial truck

A steering method and a steering system for an industrial truck, in which, by means of a steering transducer (37), in particular a steering wheel, at least one steerable wheel (2) is steered manually by a hydraulic or mechanical connection to the steering transducer (37), the angular position of the at least one manually steered wheel (2) is detected, and at least one further steerable wheel (3) is steered, driven by a motor, depending on the detected angular position.

VEHICLE STEERING APPARATUS

A vehicle steering apparatus (10) includes a steering wheel motor (20) which is connected with a steering wheel (12) of a vehicle. The steering wheel motor (20) is energizable by electric current to resist rotation of the steering wheel (12). A variable resistor (60) is connected in parallel with the steering wheel motor (20) and is adjustable to vary the electric current which energizes the steering wheel motor. A road wheel steering motor (16) is connectable with steerable road engaging wheels of the vehicle. The road wheel steering motor (16) is energizable by electric current to effect turning movement of steerable road-engaging wheels in response to rotation of the steering wheel (12). The variable resistor (66) is connected in parallel with the road wheel steering motor (16) and is adjustable to vary electric current which energizes the road wheel steering motor.

Method for position regulation of an electric drive and for steering a motor vehicle by means of a steer-by-wire system

A steer-by-wire system has a structure that supports the development of a modular software program. The structure according to the invention also permits interfaces with higher-order and collateral functions. The steer-by-wire steering system of the invention therefore has versatility of application and is readily adaptable to customer preferences. (FIG. 1) ...

STEERING SYSTEM FOR A VEHICLE

VEHICLE STEERING APPARATUS

A vehicle steering apparatus (10) includes a steering wheel motor (20) which is connected with a steering wheel (12) of a vehicle. The steering wheel motor (20) is energizable by electric current to resist rotation of the steering wheel (12). A variable resistor (60) is connected in parallel with the steering wheel motor (20) and is adjustable to vary the electric current which energizes the steering wheel motor. A road wheel steering motor (16) is connectable with steerable road engaging wheels of the vehicle. The road wheel steering motor (16) is energizable by electric current to effect turning movement of steerable road-engaging wheels in response to rotation of the steering wheel (12). The variable resistor (66) is connected in parallel with the road wheel steering motor (16) and is adjustable to vary electric current which energizes the road wheel steering motor.

Lenkvorrichtung

Die vorliegende Erfindung reduziert die Motorgröße in einer Lenkvorrichtung. Zu diesem Zweck hat diese in ein Fahrzeug einzubauende Lenkvorrichtung (1): eine Servolenkungseinheit (12), die unter dem Bodenabschnitt (7) der Fahrzeugkabine (2) angeordnet ist; und einen Koaxialmotor (20), der direkt über der Servolenkungseinheit (12) und in einer solchen Weise vorgesehen ist, dass ihre Ausgangswelle koaxial mit der Eingangswelle der Servolenkungseinheit (12) ist. The present invention reduces motor size in a steering device. For this purpose, the steering device (1) to be installed in a vehicle has: a power steering unit (12) which is arranged under the floor section (7) of the vehicle cabin (2); and a coaxial motor (20) provided directly above the power steering unit (12) and in such a manner that its output shaft is coaxial with the input shaft of the power steering unit (12).

Power steering for motor vehicles

conjunto de engrenagens de direção com eixos de entrada múlitplos, kit de refabricação, e métodos de refabricação

ACTUATOR FOR A STEER-BY-WIRE- STEERING SYSTEM

The invention relates to a steering actuator (21) for a Steer-By-Wire- steering system, wherein two electro motors (27,29) are provided. The pinions (35,37) in the electro motors act upon on a gearwheel (39) which drives, for example, a rack and pinion steering drive (11) or a steering column (3) with a steering wheel (1) secured in place thereon. When the actuator is required to generate only a low momentum, the electro motors are controlled in such a manner that they are displaced against each other and therefore no slack occurs in the gearing between the pinions and the gearwheel. When a high momentum is required, both motors work in a parallel manner so that the torque momentum thereof is added.

Hydraulic power steering system

A hydraulic power steering system for a vehicle, e.g., an electrohydraulic power steering system for a motor vehicle, includes a servo valve, the relative movement of whose control parts actuates a piston rod of a servo cylinder and changes at least one steering angle of a wheel which is operatively connected to the piston rod, and additionally has an electric servo motor which drives a rack with the servo cylinder for adjusting the steering angle of the wheel in the same direction. In order to provide an electrohydraulic power steering system which is as compactly arranged as possible in the region of its actuator and may be used flexibly for different classes of vehicle, the action of the rack and the piston rod of the servo cylinder is combined, in a parallel arrangement with one another, on an addition member for jointly adjusting the steering angle of the wheel.

BRAKE SYSTEM FOR STEERING FEEDBACK

A brake system for providing tactile feedback in a vehicle steering system. The brake system includes an input shaft, and a rotor responsive to the shaft to rotate in response to input steering wheel inputs. A friction element imparts a base load to the rotor, and an electromagnetic coil imparts a variable load to the rotor. A housing of the brake system includes a fixed component and an intermediate component threaded together to set the base load. An adjustable component of the housing is threaded to the intermediate component to calibrate the variable load. The friction element is disposed between, and engages, both the rotor and the intermediate housing to impart the feedback loads. 1. A brake system for providing tactile feedback comprising:a shaft configured to receive an input;a rotor, responsive to the shaft and configured to rotate in response to the input;a friction element configured to impart a base load to the rotor; anda housing at least partly containing the shaft, the rotor and the friction element, the housing having a fixed housing component, an adjustable housing component that is variably positionable relative to the fixed housing component, and an intermediate housing component that couples the fixed housing component with the adjustable housing component;wherein the friction element is disposed between, and engages, both the rotor and the intermediate housing.2. The system of wherein the friction element is conical in shape claim 1 , the rotor includes a first conical surface contacting a first side of the friction element claim 1 , and the intermediate housing component includes a second conical surface contacting a second side of the friction element.3. The system of claim 1 , wherein the intermediate housing component is connected with the fixed housing component by first mating threads and is connected with the adjustable housing component by second mating threads.4. The system of claim 3 , wherein the housing is configured to set the base ...

Hydraulic steering for motor vehicles

Motor vehicle hydraulic steering system, such as a steer-by wire system, has a translational control valve member whose movement is controlled by relative rotation of gear wheels attached to the drive shaft Hydraulic steering system for motor vehicles with a steering lever, which controls the wheel positions without a forced coupling, comprises a drive shaft (13) with a rigidly coupled gear wheel (6) and a decoupled gear wheel (7) for transfer of the turning torque to the vehicle wheels. The two gear wheels are designed so that they turn relative to each other. A translational control member (22) is moved by a relative rotation of the wheels in an axial direction along the drive shaft.

Lenksystem für Kraftfahrzeuge

Ein Lenksystem, insbesondere für Kraftfahrzeuge, weist eine Lenkhandhabe (1) auf, die mit einem Lenkradaktuator (2) in Verbindung steht. Der Lenkradaktuator (2) korrespondiert mit einem Überlagerungsgetriebe (11), das wenigstens einen Stellmotor (12) zum Antreiben wenigstens einer mit einer Zahnstange (15) verbundenen Getriebestufe (13) aufweist. Zur hydraulischen Unterstützung der Zahnstangenbewegung ist eine Hydraulikeinrichtung (7) vorgesehen, die ein Lenkventil (6) aufweist, das von dem Überlagerungsgetriebe (11) betätigbar ist. Durch das Schließen einer bremsbaren Kupplung (4) ist auch die Lenkhandhabe (1) mit dem Lenkventil (6) verbindbar.

VERFAHREN ZUR POSITIONSREGELUNG EINES ELEKTRISCHEN ANTRIEBS UND ZUM LENKEN EINES KRAFTFAHRZEUGS MIT EINER STEER-BY-WIRE-LENKUNG

Lenkvorrichtung

In einer Lenkvorrichtung der vorliegenden Erfindung dreht ein Elektromotor eine Lenkwelle über einen Reduktionsmechanismus, und der Reduktionsmechanismus und ein Drehmomentsensor sind in einem einstückig-strukturierten Gehäuse aufgenommen. Damit kann die vorliegende Erfindung eine Lenkvorrichtung bereitstellen, die in der Lage ist, einen Anstieg der Größe des Elektromotors zu verhindern.

Road vehicle steering system with steer-by-wire function has actuator providing steering reaction force and mechanical servo-assisted back-up system

The steering system has a mechanical torque transfer train (2a,2b), between a steering wheel (3) and a steering drive (12), provided with a switched coupling (5) having 2 rotary coupling parts and an actuator (8) which provides a steering reaction force when the coupling is disengaged in the direction of the neutral position of the steering wheel. At least one of the rotary coupling parts is used for transmitting the force of an electric motor (7,8) to the torque transfer train.

Vorrichtung zur Lenkung mehrerer Gruppen von lenkbaren Fahrzeugrädern

ACTUATOR FOR A STEER-BY-WIRE- STEERING SYSTEM

STEERING SYSTEM FOR MOTOR VEHICLES

Automotive steering system

Herein disclosed is an automotive power-assisted steering system which comprises a hydromechanical leverage unit drivingly connected to a steering linkage, a rotary piston-valve hydraulically connected to the leverage unit, a motor to move the piston-valve for actuating the leverage unit to a right-turn or left-turn position, and a valve re-set mechanism connected between the leverage unit and the piston-valve for moving the valve into an equilibrium position from a condition bringing the leverage unit into the right-turn or left-turn position, wherein the motor is energized by a pulsating current which is controlled in accordance with a signal representative of the angle and direction of turning of a steering wheel and, where desired, signals representative of a vehicle velocity and an external force which may be sideways imparted to the vehicle by a side wind blowing onto the vehicle. To make it possible to steer the vehicle in a manual, non-assisted fashion, clutch means may be interposed ...

POWER STEERING DEVICE FOR AGRICULTURAL VEHICLE

PURPOSE: To eliminate the need for using a sensor for detecting the amount of steering by providing a built-in mechanical feedback mechanism in a stepping cylinder itself. CONSTITUTION: A power steering device consists of a stepping motor 22, which is rotated by an angle proportionate to the number of pulses of an inputted pulse signal, a spool 25 which is shifted normally and adversely by means of a screw shaft 24 geared to a motor output shaft 23, and a piston rod 26 which is extended and contracted according to the shift of the spool 25. The base part 26a of a piston rod 26 constitutes a casing for the spool 25, and these spool 25 and rod base part 26a constitute a hydraulic control valve 27, whereby the displacement of the rod is fed back mechanically. Accordingly, a rotary case can be rotated by a certain angle, by inputting pulse signals, the number of which is proportionate to the operating angle of a power steering handle. COPYRIGHT: (C)1985,JPO&Japio ...

LENKUNG FUER FAHRZEUGE

METHOD FOR POSITION REGULATION OF AN ELECTRIC DRIVE AND FOR STEERING A MOTOR VEHICLE BY MEANS OF A STEER-BY-WIRE SYSTEM

The invention relates to a steer-by-wire system, the structure thereof supporting the development of modular software. Furthermore, interfaces to higher-riding functions and adjacent functions can be easily provided in the inventive structure. The inventive steer-by-wire system can thus be used for a multitude of purposes and can be easily adapted to the desires of the customer.

Lenkvorrichtung mit mehreren Motoren

Eine Vorrichtung zum Gebrauch beim Schwenken lenkbarer Fahrzeugräder umfasst erste und zweite Kolben- und Zylinder-Typ-Hydraulikmotoren, die mit einem Mittelteil eines Fahrzeugs verbunden sind. Ein Lenksteuerventil ist betriebsbereit ansprechend auf manuelle Rotation eines Lenkrads, um Ausdehnung und Kontraktion der ersten und zweiten Hydraulikmotoren zu bewirken. Ein Zahnstangen- und Ritzellenkgetriebe kann mit einer Kolbenstange von einem der Hydraulikmotoren verbunden werden. Ein sekundäres Steuerventil kann vorgesehen sein, um den Betrieb eines der Hydraulikmotoren zu einem größeren Ausmaß als den des anderen Hydraulikmotors zu bewirken.

Steering apparatus with plural motors

An apparatus (10) for use in turning steerable vehicle wheels (12, 14) includes first and second piston and cylinder type hydraulic motors (32, 34) which are connected with a central portion of a vehicle. A steering control valve (24) is operable in response to manual rotation of a steering wheel (18) to effect extension and contraction of the first and second hydraulic motors. A rack and pinion steering gear (110, 114) may be connected with a piston rod (86) of one of the hydraulic motors (32). A secondary control valve (200) may be provided to effect operation of one of the hydraulic motors to a greater extent than the other hydraulic motor.

Hydrolenkung für Kraftfahrzeuge

sistema de freio

sistema de freio. um sistema de freio para prover retroalimentação tátil em um sistema de direção do veículo. o sistema de freio inclui um eixo de entrada e um rotor responsivo ao eixo para girar em resposta para inserir entradas de roda de direcionamento. um elemento de fricção transmite uma carga de base ao rotor e uma bobina eletromagnética transmite uma carga variável ao rotor. um alojamento do sistema de freio inclui um componente fixo e um componente intermediário rosqueados juntos para estabelecer a carga de base. um componente ajustável do alojamento é rosqueado ao componente intermediário para calibrar a carga variável. o elemento de fricção está disposto entre e engata, ambos o rotor e o alojamento intermediário para transmitir as cargas de retroalimentação.

VEHICLE-MOUNTED APPARATUS

A vehicle-mounted apparatus includes: first and second voltage conversion circuits configured to convert voltages of electric powers supplied from first and second electric power supply circuits, to first and second predetermined voltages; first and second control circuits configured to be operated by the electric powers of the first and second predetermined voltages supplied from the first and second voltage conversion circuits, and to output first and second actuator command signals; first and second actuators configured to be actuated based on the first and second actuator command signals.

Actuator for steering gear

Position regulation of electrical drive for steer-by-wire vehicle involves regulating drive depending on demand position, reference position, actual position and error signal

The method involves detecting the actual position of an electric drive, forming a reference position with the aid of a reference model from a demand position, forming an error signal from the difference between the reference and actual positions and regulating the drive depending on the demand position, reference position, actual position and error signal. Independent claims are also included for the following: a microprocessor suitable for implementing the method, a computer program, a controller for vehicle steer-by-wire steering and a steer-by-wire system.

Vehicle steering apparatus

A vehicle steering apparatus (10) includes a steering wheel motor (20) which is connected with a steering wheel (12) of a vehicle. The steering wheel motor (20) is energizable by electric current to resist rotation of the steering wheel (12). A variable resistor (60) is connected in parallel with the steering wheel motor (20) and is adjustable to vary the electric current which energizes the steering wheel motor. A road wheel steering motor (16) is connectable with steerable road engaging wheels of the vehicle. The road wheel steering motor (16) is energizable by electric current to effect turning movement of steerable road-engaging wheels in response to rotation of the steering wheel (12). The variable resistor (66) is connected in parallel with the road wheel steering motor (16) and is adjustable to vary electric current which energizes the road wheel steering motor.

Collapsible steering apparatus for vehicle

A collapsible steering apparatus for a vehicle (1) comprises a movable tube (10) which is displaceable in a longitudinal direction (S) of a steering column (4) in order to adjust the position of a steering wheel (2). There is provided a locking mechanism (29) capable of locking the movable tube (10) to a desired position in the longitudinal direction (S). The locking mechanism (29) comprises a locking teeth forming element (36) which has locking teeth (36a) formed therein and whose movement is regulated at the time of collision of a vehicle, and a groove (42) which holds the locking teeth forming element (36) by a predetermined holding force at the normal time and moves together with the movable tube (10) at the time of collision of the vehicle. At the time of collision of the vehicle, a pair of edges (46a) of the groove (42) is deformed as the locking teeth forming element (36) and the groove (42) relatively move so that shock energy is absorbed. ...

Steering device

Vorrichtung zur Lenkung mehrerer Gruppen von lenkbaren Fahrzeugrädern

AKTUATOR FÜR EINE STEER-BY-WIRE-LENKANLAGE

válvula de direção multimodo de controle elétrico, sistema de controle hidráulico de direção e guindaste do tipo com roda

Apparatus for controlling a power-assisted steering gear in response to vehicle speed

An apparatus (10) for helping to turn steerable wheels (12) of a vehicle comprises a hydraulic power-assisted steering gear (16). An electric motor (92) actuates the steering gear (16). A pump (84) supplies the steering gear (16) with hydraulic fluid. A vehicle speed sensor (102) senses vehicle speed and provides a vehicle speed signal. A controller (104) is responsive to the vehicle speed signal for controlling the pump (84). The controller (104) activates the pump (84) to supply hydraulic fluid to the steering gear (16) when the vehicle speed signal indicates a vehicle speed below a predetermined value and the controller (104) deactivating the pump (84) when the vehicle speed signal indicates a vehicle speed above the predetermined value.

Aktuator, insbesondere Radaktuator mit einem Abtrieb

Die Erfindung betrifft einen Aktuator (1), insbesondere einen Radaktuator für ein steer-by-wire-Lenksystem eines Fahrzeugs. Ein oder mehrere Elektromotoren (2) treiben über ein Untersetzungsgetriebe (7) einen Drehschieber (11) oder eine Steuerbuchse (12) eines hydraulischen Stellventils (3) an. Das hydraulische Stellventil (3) misst Arbeitsräumen (25, 26) eines Servozylinders (4) des Aktuators (1) Druckmittel zu. Um den Bauraum des Aktuators (1) zu minimieren und Stellkräfte zu ermöglichen, die geeignet sind, den Aktuator (1) für ein Lenksystem für schwere PKW und Nutzkraftwagen einzusetzen, ist vorgesehen, das Untersetzungsgetriebe (7) zumindest zweistufig zu gestalten, wobei ein Zwischenrad (8) als erste Getriebestufe (9) zwischen einem Ritzel (24) des Elektromotors und einem Rad (10) dient. Das Rad (10) ist drehfest mit dem Drehschieber (11) oder der Steuerbuchse (12) des hydraulischen Stellventils (3) verbunden.

LENKSYSTEM FÜR KRAFTFAHRZEUGE

ELECTRIC STEERING APPARATUS

A steering apparatus (10) for a vehicle having steerable wheels. The apparatus (10) comprises a rotatable vehicle steering wheel (12) and a first assembly (100) operatively coupled to the steering wheel. The first assembly (100) includes a sensor (30) for sensing applied torque and angular position of the steering wheel (12) and a first electronic control unit (50) for generating a first signal corresponding to the sensed torque and angular position of the steering wheel. A second assembly (100) is operatively coupled to the steerable wheels. The second assembly (100) includes a second electronic control unit (110) for receiving the first signal, a first electric motor (120) controlled by the second electronic control unit, and a steering gear (130) which is actuated by the first electric motor (120) to turn the steerable wheels of the vehicle. A signal transmitting conductor (250) transmits the first signal to the second electronic control unit (110).

VEHICLE STEERING APPARATUS

A vehicle steering apparatus (10) includes a steering wheel motor (20) which is connected with a steering wheel (12) of a vehicle. The steering wheel motor (20) is energizable by electric current to resist rotation of the steering wheel (12). A variable resistor (60) is connected in parallel with the steering wheel motor (20) and is adjustable to vary the electric current which energizes the steering wheel motor. A road wheel steering motor (16) is connectable with steerable road engaging wheels of the vehicle. The road wheel steering motor (16) is energizable by electric current to effect turning movement of steerable road-engaging wheels in response to rotation of the steering wheel (12). The variable resistor (66) is connected in parallel with the road wheel steering motor (16) and is adjustable to vary electric current which energizes the road wheel steering motor.

Steering method and steering system for an industrial truck

A steering method for an industrial truck includes manually steering at least one steerable wheel with a steering transducer. The at least one steerable wheel is hydraulically connected or mechanically connected with the steering transducer. An angular position of the at least one steerable wheel is detected. At least one additional steerable wheel is motor-steered as a function of the detected angular position.

Hydraulische Servolenkung für Kraftfahrzeuge

Fremdkraftlenkanlage

Fremdkraftlenkanlage für Kraftfahrzeuge, mit einer Lenkhandhabe zur Betätigung eines Sollwertgebers zum Einstellen eines bestimmten Lenkwinkels an den Fahrzeugrädern, einem Istwertgeber zur Erfassung des Istwertes des Lenkwinkels und einer Steuereinrichtung zur Ansteuerung einer Stelleinrichtung für die Fahrzeugräder, mit wenigstens einem Stellmotor und einem Steuerventil, dadurch gekennzeichnet, daß die Betätigung des Steuerventils (11) durch einen Stator (6) des Stellmotors (4) erfolgt.

STEERING METHOD AND STEERING SYSTEM FOR AN INDUSTRIAL TRUCK

A steering method for an industrial truck includes manually steering at least one steerable wheel, detecting an angular position of the at least one steerable wheel, and motor-steering at least one additional steerable wheel as a function of the detected angular position. For a 90° change of a travel direction of the industrial truck, the method comprises steering the at least one steerable wheel and the at least one additional wheel by 90°, manually steering the at least one additional wheel, and motor-steering the at least one steerable wheel. 1. A steering method for an industrial truck , the steering method comprising:manually steering at least one steerable wheel;detecting an angular position of the at least one steerable wheel; andmotor-steering at least one additional steerable wheel as a function of the detected angular position,wherein, for a 90° change of a travel direction of the industrial truck, the method comprises:steering the at least one steerable wheel and the at least one additional wheel by 90°;manually steering the at least one additional wheel; andmotor-steering the at least one steerable wheel.2. The steering method as recited in claim 1 , wherein the manually steering at least one steerable wheel is performed with a steering transducer claim 1 , and the at least one steerable wheel is hydraulically connected or mechanically connected with the steering transducer.3. The steering method as recited in claim 2 , wherein the steering transducer is a steering wheel.4. The steering method as recited in claim 1 , further comprising:providing the detected angular position to a steering control device;providing a preselectable steering program; andsteering the at least one additional steerable wheel with the steering control device as a function of the preselectable steering program.5. A steering system for an industrial truck claim 1 , the steering system comprising:a steering unit;at least one manually steerable first wheel;a first steering motor ...

Steering device

In a steering device of the present invention, an electric motor rotates a steering shaft through a reduction mechanism, and the reduction mechanism and a torque sensor are accommodated in an integrally-structured housing. With this, the present invention can provide a steering device that is capable of suppressing increase in size of the electric motor.

Dual variable-tooth rack and single pinion steering system

A dual variable-tooth rack and single pinion steering system includes a first elongated rack having an inner end, an outer end, and a set of teeth with a predetermined variable tooth profile located between its ends, a second elongated rack having an inner end, an outer end, and a set of teeth with a predetermined variable tooth profile located between its ends; and a pinion disposed to engage the inner end of the first rack and the inner end of the second rack to thereby define a set of rack displacements between the outer end of the first rack and the outer end of the second rack.

Vehicle steering system

Power steering apparatus

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Steering System Equipped with Variable Rack Stroke Apparatus Equipped with Clearance Compensator

본 발명은 유격 보상장치를 구비한 랙 스트로크 가변장치를 구비한 조향장치에 관한 것이다. The present invention relates to a steering apparatus having a rack stroke variable apparatus having a clearance compensation device. 본 발명은 차량 바퀴의 최대 조향각을 조절하는 랙 스트로크 가변장치를 구비한 조향장치에 있어서, 상기 랙 스트로크 조절장치는, 상기 랙 하우징의 끝단에 설치되어 상기 랙 하우징에 고정된 케이싱; 상기 케이싱의 내부에 설치되는 가동 수단; 및 상기 랙바의 끝단 혹은 상기 링크구조에 설치되고, 외주면 일측에는 경 방향으로 돌출된 스톱 돌기가 구비되되, 상기 자동차가 최대로 조향될 때 상기 케이싱에 설치된 상기 가동 수단으로 이동될 때 상기 가동 수단에 인입되거나 혹은 저지되어 상기 랙바가 슬라이딩되는 양이 조절되도록 하는 스톱 링을 포함하되, 상기 가동 수단은, 상기 스톱 돌기가 형성된 상기 스톱 링이 인입되는 형상의 홀이 형성되며 외주면에는 기어치가 형성되어 상기 기어치와 치물림된 감속 기어의 회전과 함께 회전하여 회전위치에 따라 상기 스톱 링을 인입하거나 저지하는 스톱 기어; 및 상기 케이싱의 내주면 일측과 상기 스톱 기어 사이에 설치되어 상기 스톱 기어를 밀어주는 유격 보상장치를 포함하는 것을 특징으로 하는 유격 보상장치를 구비한 랙 스트로크 가변장치를 구비한 조향장치를 제공한다. The present invention provides a steering apparatus having a rack stroke variable device for adjusting a maximum steering angle of a vehicle wheel, wherein the rack stroke adjusting device comprises: a casing installed at an end of the rack housing and fixed to the rack housing; Movable means installed in the casing; And a stop protrusion protruding in the radial direction from one end of the rack bar or the link structure, the radially protruding one side of the rack bar being moved to the movable means installed in the casing when the vehicle is steered to the maximum. It includes a stop ring to be inserted or blocked to adjust the amount of sliding the rack bar, the movable means is formed with a hole of the shape in which the stop ring is formed the stop projection is formed and the gear teeth are formed on the outer peripheral surface A stop gear that rotates together with the rotation of the gear tooth and the deceleration gear that is engaged with the gear teeth to retract or stop the stop ring according to the rotation position; And a gap compensation device installed between one side of the inner circumferential surface of the casing and the stop gear to push the stop gear, and a rack stroke variable device having a rack stroke ...

Steering apparatus for turning multiple sets of steerable vehicle wheels

A kind of line traffic control Four wheel independent steering system based on universal drive structure

本发明设计了一种基于万向传动结构的线控四轮独立转向系统。该系统由旋转电机(1)、减速器(2)、缓冲装置(3)、传动轴(4)、麦弗逊悬架系统(5)、旋转装置(6)、传动装置(8)及球笼万向节(9)组成。旋转电机(1)的动力过球笼万向节(8)及传动轴(4)输入到传动装置(8)中，通过其中的齿轮副(7)改变旋转运动的方向及大小，经由旋转装置(6)带动转向节转动，实现车轮的±90°转角。由于球笼万向节的等速性，输入转角与车轮转角的线性关系不随定位参数变化而改变，增加了控制系统抵抗外界干扰的能力，提升其鲁棒性。同时该结构通过传动装置(8)布置的外移减小主销内倾角，以增加行驶稳定性。

Steering apparatus

(57)【要約】 車のかじ取りハンドル１２の回転に応答して車のかじ取 り可能な車輪を回すかじ取り装置１０は、第一の組立体 １６と、第二の組立体２６と、機構１０８とを備えてい る。第一の組立体１６は、かじ取りハンドル１２に作用 可能に接続され、また、かじ取りハンドルの付与された トルク及び角度回転を監視する構成要素１８、２２を備 えている。第二の組立体２６は、かじ取り歯車装置３４ と、第一の信号を受け取り且つ第一の信号に応答してか じ取り歯車装置３４を作動させる構成要素２８、３０と を備えている。機構１０８は、第一の作動モードにある とき、かじ取りハンドル１２とかじ取り歯車装置３４と を機械的に接続する。機構１０８が第二の作動モードに あるとき、かじ取りハンドル１２及びかじ取り歯車装置 ３４は機械的に接続されない。

Steering device

本发明提供使电机小型化的转向装置。搭载于车辆的转向装置(1)具有：动力转向单元(12)，配置于比车厢(2)的地板部(7)更靠下方的位置；以及同轴电机(20)，紧邻地设置于动力转向单元(12)的上方，其输出轴设置为与动力转向单元(12)的输入轴同轴。

Mobile work machine, in particular industrial truck, with a hydrostatic steering device

Die Erfindung betrifft eine mobile Arbeitsmaschine, insbesondere Flurförderzeug, mit einer hydrostatischen Lenkungseinrichtung (1), die ein Lenkorbitrol (2) umfasst, das zur Versorgung mit Druckmittel mit einer Hydraulikpumpe (11) in Verbindung steht und einen hydraulischen Aktuator (6), insbesondere einen Lenkzylinder (7), betätigt, wobei zwischen der Hydraulikpumpe (11) und dem Lenkorbitrol (2) ein Prioritätsventil (22) vorgesehen ist, das eingangsseitig mit einer Förderleitung (21) der Hydraulikpumpe (11) verbunden ist und ausgangsseitig an eine mit dem Lenkorbitrol (2) verbundene Versorgungsleitung (10) sowie ausgangsseitig an eine mit einem Zusatzverbraucher (20), insbesondere einer Arbeitshydraulik, in Verbindung stehende Versorgungsleitung (23) angeschlossen ist, wobei das Prioritätsventil (22) von einer Federeinrichtung (24) und einem in einer Lastdruckmeldeleitung (25) anstehenden Lastdruck der Lenkungseinrichtung (1) in Richtung einer die Förderleitung (21) der Hydraulikpumpe (11) mit der Versorgungsleitung (10) der Lenkungseinrichtung (1) verbindenden Schaltstellung (22a) und von dem in der Versorgungsleitung (10) der Lenkungseinrichtung (1) anstehenden Druck in Richtung einer die Förderleitung (21) der Hydraulikpumpe (11) mit der Versorgungsleitung (23) des Zusatzverbrauchers (20) verbindenden Schaltstellung (22b) beaufschlagt ist, wobei das Lenkorbitrol (2) von einem Elektromotor (3) betätigt ist. Der Lastdruckmeldeleitung (25) der Lenkungseinrichtung (1) ist ein Entlastungsventil (60) zugeordnet, mittels dem die Lastdruckmeldeleitung (25) der Lenkungseinrichtung (1) zu einem Behälter (13) entlastbar ist.

Steering apparatus for turning multiple sets of steerable vehicle wheels

A steering apparatus ( 10 ) for turning steerable wheels of a vehicle having first and second sets ( 14 and 16 ) of steerable wheels comprises a first steering gear ( 22 ) actuatable, in response to rotation of a handwheel ( 110 ), to effect turning of the first set ( 14 ) of steerable wheels. The steering apparatus ( 10 ) also comprises second and third steering gears ( 24 and 26 ), each of which is independently actuatable to effect turning of the second set ( 16 ) of steerable wheels and thereby providing redundancy for turning of the second set ( 16 ) of steerable wheels. A sensor ( 112 ) senses a steering position of the first set ( 14 ) of steerable wheels and provides a steering signal indicative of the sensed steering position. A controller ( 114 ) receives the steering signal and, in response to the steering signal, controls actuation of the second and third steering gears ( 24 and 26 ).

Hydraulic power steering with electric reserve system

Method of torque control or regulation of electric motor e.g. for motor vehicle steer-by-wire steering system, involves using voltage regulator for controlling voltage output magnitudes of converter in relation to current control

A method for controlling or regulating a torque (M) outputted from an electric motor (13), in which the current (i1,i2,i3) of the electric motor is subordinated to the torque control or regulation and the electric motor is driven by a converter (15). Using a voltage controller (26) subordinated to the voltage control, the voltage output magnitudes (u1,u2,u3) of the converter (15) are controlled such that they have a specifiable dynamic behavior.

Steering gear assembly with multiple input shafts, remanufacturing kit, and remanufacturing methods

A steering gear assembly, which utilizes a manually- drive first rotatable input shaft coupled with a rotatable valve member to control flow of hydraulic fluid to different downstream passages, includes a torsion tube and a transfer shaft extending within the interior of the torsion tube, with the transfer shaft being configured to receive rotational force from a second rotatable input shaft coupled to a motor or another mechanical torque-supplying element. The torsion tube applies a rotational restoring force to the rotatable valve member. A removable end cover for a steering gear assembly housing includes a rotary seal permitting rotation of the transfer shaft and/or second rotatable input shaft, with the first and second rotatable input shafts opposing one another. A remanufacturing kit for a steering gear assembly includes a torsion tube, a transfer shaft, and an end cover as mentioned. A method for remanufacturing a steering gear assembly is further provided.

Steering system of engineering vehicle and backhoe loader

本公开提供一种工程车辆的转向系统和挖掘装载机。转向系统包括：方向控制装置，包括方向盘、转向油缸和转向轮，转向油缸与方向盘和转向轮传动连接；位移传感器，被配置为检测转向油缸的活塞位移；回正电机，与转向轮传动连接以驱动转向轮回正；和控制器，与位移传感器和回正电机信号连接，被配置为根据位移传感器检测的活塞位移发出控制信号以控制回正电机驱动转向轮回正。挖掘装载机包括前述转向系统。

Steering system for a vehicle

Die Erfindung betrifft ein Lenksystem (1) für ein Fahrzeug, insbesondere eine hydraulisch unterstützte Servolenkung für ein Kraftfahrzeug, mit einer Lenkspindel (2), die eine Lenkhandhabe (3) an ihrem einen Ende mit einem Drehschieber oder Drehkolben (4) eines Lenkventils (5) über ein erstes Torsionselement (6) verbindet. Das Lenksystem (1) weist einen hydraulischen Servomotor (7) zur Betätigung eines Abtriebsgliedes (8) eines Lenkgetriebes (9) auf, wobei ein Druckmittelstrom in Arbeitsräume des hydraulischen Servomotors (7) durch das Lenkventil (5) gesteuert ist. Es weist ferner einen elektrischen Servomotor (10) zur Betätigung des Abtriebsgliedes (8) auf. DOLLAR A Um ein Lenksystem anzugeben, dessen hydraulischer Servomotor im Betrieb sowohl mechanisch von einer Lenkhandhabe als auch über einen elektrischen Servomotor unterstützt ist und ausfallsicher ist, ist vorgesehen, dass der elektrische Servomotor (10) und die Lenkspindel (2) auf ein gemeinsames Drehglied (11) zwischen dem ersten Torsionselement (6) und dem Drehschieber oder Drehkolben (4) wirken. The invention relates to a steering system (1) for a vehicle, in particular a hydraulically assisted power steering system for a motor vehicle, comprising a steering handle (3) at one end with a rotary valve or rotary piston (4) of a steering valve (5) ) connects via a first torsion element (6). The steering system (1) has a hydraulic servomotor (7) for actuating an output member (8) of a steering gear (9), wherein a pressure medium flow in working spaces of the hydraulic servomotor (7) by the steering valve (5) is controlled. It also has an electric servomotor (10) for actuating the output member (8). DOLLAR A To specify a steering system, the hydraulic servomotor is supported both mechanically by a steering handle and an electric servomotor in operation and is fail-safe, it is provided that the electric servomotor (10) and the steering shaft (2) on a common rotary member ( 11) between the first torsion element (6 ...

Hilfslenkeinrichtung für eine hydrostatische fahrzeuglenkung

Hilfslenkeinrichtung für eine hydrostatische Fahrzeuglenkung Hilfslenkeinrichtung (10) für eine hydrostatische Fahrzeuglenkung (16), mit einer eine mittels einer Lenkhandhabe (26) betätigbaren bzw. in Drehung versetzbaren Eingangswelle (44), einer Ausgangswelle (46) zur Betätigung eines Lenkdosierventils (30), sowie einem Planetengetriebe (48), umfassend einen Planetenradträger (50) mit einer Vielzahl von Planetenrädern (52) umfasst, die mit einem Sonnenrad (54) und einem umgeben-den Ringrad (56) in Eingriff stehen, wobei die Eingangswelle(44) mit dem Planetenradträger (50) und die Ausgangswelle (46) mit dem Sonnenrad (54) drehfest verbunden ist. Ferner weist die Hilfslenkeinrichtung (10) einen elektrischen Antrieb (58)zur Ausübung eines Drehmoments auf das Ringrad (56), eine Bremseinrichtung (60) zur Festlegung der Eingangswelle (44),und eine Kupplungseinrichtung (62) zur Herstellung einer dreh-festen Verbindung zwischen der Ausgangswelle (46) und dem Planetenradträger (50) auf.

A steering system and a method of controlling a steering system

Electro-hydraulic Steering System and Method An electro-hydraulic steering system (1) comprises a hydraulic steering actuator (11) and a hydro-mechanical steering unit (6) for actuating the hydraulic steering actuator in response to a steering demand. An electronically controllable steering supply valve arrangement (26) is able to supply fluid to the actuator independently of or in combination with hydro-mechanical steering unit. The hydro-mechanical steering unit (6) is specified to provide a maximum volume flow rate of fluid to the actuator (11) which is above that required to provide an emergency steering function but is less than that required for full steering functionality under normal operating conditions. In normal use, the steering supply valve arrangement (26) is used to amplify the fluid flow from the hydro-mechanical steering unit (6) to ensure full steering capability. In an emergency steering situation, the hydro-mechanical steering unit (6) is able to provide sufficient fluid flow to maintain a limited steering capability.

Hilfslenkeinrichtung für eine hydrostatische Fahrzeuglenkung

Hilfslenkeinrichtung (10) für eine hydrostatische Fahrzeuglenkung (16), mit einer eine mittels einer Lenkhandhabe (26) betätigbaren bzw. in Drehung versetzbaren Eingangswelle (44), einer Ausgangswelle (46) zur Betätigung eines Lenkdosierventils (30), sowie einem Planetengetriebe (48), umfassend einen Planetenradträger (50) mit einer Vielzahl von Planetenrädern (52) umfasst, die mit einem Sonnenrad (54) und einem umgebenden Ringrad (56) in Eingriff stehen, wobei die Eingangswelle (44) mit dem Planetenradträger (50) und die Ausgangswelle (46) mit dem Sonnenrad (54) drehfest verbunden ist. Ferner weist die Hilfslenkeinrichtung (10) einen elektrischen Antrieb (58) zur Ausübung eines Drehmoments auf das Ringrad (56), eine Bremseinrichtung (60) zur Festlegung der Eingangswelle (44), und eine Kupplungseinrichtung (62) zur Herstellung einer drehfesten Verbindung zwischen der Ausgangswelle (46) und dem Planetenradträger (50) auf.

Steering device

The present invention reduces motor size in a steering device. To this end, this steering device ( 1 ) to be installed in a vehicle has: a power steering unit ( 12 ) positioned below the floor section ( 7 ) of the vehicle compartment ( 2 ); and a coaxial motor ( 20 ) which is provided directly above the power steering unit ( 12 ) and in a manner such that the output shaft thereof is coaxial with the input shaft of the power steering unit ( 12 ).

A steering system and a method of controlling a steering system

An electro-hydraulic steering system (1) comprises a hydraulic steering actuator (11) and a hydro-mechanical steering unit (6) for actuating the hydraulic steering actuator in response to a steering demand from a steering wheel (2) connected to the hydro-mechanical steering unit by a steering shaft (3). An electric motor (5) is operative to apply a torque to the steering shaft and is controlled to provide a haptic steering torque feedback to a user through the steering wheel. The motor (5) is controlled to provide haptic steering torque feedback during a dead band range of movement of the steering member (2) before the hydro-mechanical steering unit begins supplying fluid to the steering actuator. The motor (5) may be controlled to provide a haptic steering torque feedback that follows a predetermined profile compensating for the effects of a spring in the hydro-mechanical steering unit which opposes movement of the steering member.

ステアリング装置

本発明のステアリング装置は、ピストン（１１）とロータリバルブ(３９)とを有し、ポンプ装置（４０２）が発生した液圧を利用する液圧式の第１パワ−ステアリング機構（Ａ）と、電動モータ（７）の動力を操舵アシスト力として直接的に用い、操舵軸（３）を減速機構（８）を介して回転させる電動式の第２パワ−ステアリング機構（Ｂ）とを有しているとともに、減速機構（８）とトルクセンサ（１２）を一体構造のハウジング（９）に収容するようにした。これによって、大型化を抑制した電動液圧式ステアリング装置を提供する。

ステアリング装置の製造方法

ステアリング装置の製造方法は、検査用入力軸（４８）の捩じれ量である操舵トルクに対するステアリング装置の出力値、例えばセクタシャフト（５）の捩じりトルク、またはセクタシャフト（５）の捩じりトルクに対する検査用入力軸（４８）の操舵トルク、または検査用入力軸（４８）の操舵トルクとセクタシャフト（５）の捩じりトルクの関係を示すグラフ等であるステアリング装置特性データを測定する特性データ測定工程と、ステアリング装置特性データをバーコード（４５）に記録する特性データ記録工程と、を含む。

转向装置

本发明的转向装置具有：液压式的第一动力转向机构(A)，其具有活塞(11)和旋转阀(39)，利用泵装置(402)所产生的液压；电动式的第二动力转向机构(B)，其直接使用电动马达(7)的动力作为转向辅助力，经由减速机构(8)使转向轴(3)旋转；减速机构(8)和扭矩传感器(12)被收容于一体构造的壳体(9)。由此，提供一种抑制了大型化的电动液压式转向装置。

转向装置

本发明的转向装置具备包含第一液压通路状态判断部(20)、第一电动马达控制部(21)以及第二电动马达控制部(22)的控制器(2)。第一液压通路状态判断部(20)对从第一泵(P1)排出的工作液所流通的第一液压通路(L1)中的工作液的状态进行判断。第一电动马达控制部(21)基于车辆的运行状态，驱动控制第一电动马达(M1)。第二电动马达控制部(22)在由第一液压通路状态判断部(20)判断第一液压通路(L1)中的工作液的供给不足时，使第二电动马达(M2)的转速上升。

A steering system and a method of controlling a steering system

Electro-hydraulic Steering Systems and Methods An electro-hydraulic steering system (1) comprises a hydraulic steering actuator (11) and a hydro-mechanical steering unit (6) for actuating the hydraulic steering actuator in response to a steering demand from a steering wheel (2) connected to the hydro-mechanical steering unit by a steering shaft (3). An electric motor (5) is operative to apply a torque to the steering shaft and is controlled to provide a haptic steering torque feedback to a user through the steering wheel. The motor (5) is controlled to provide a haptic steering torque feedback that follows a predetermined profile compensating for the effects of a spring in the hydro-mechanical steering unit which opposes movement of the steering member. The motor (5) may be controlled to provide haptic steering torque feedback during a dead band range of movement of the steering member (2) before the hydro-mechanical steering unit begins supplying fluid to the steering actuator.

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조향 장치

본 발명은 차량용 조향 장치에 관한 것으로, 본 발명의 실시예에 따른 조향 장치는 조향축을 회전시켜 조향력을 보조하기 위한 모터와, 상기 모터의 모터축에 결합된 제1 베벨 기어와, 상기 모터축에 상기 제1 베벨 기어를 고정시키는 제1 락 너트와, 상기 제1 베벨 기어와 치합되는 제2 베벨 기어와, 상기 모터에 결합되며 상기 제1 베벨 기어 및 상기 제2 베벨 기어를 수용하고 상기 모터축의 단부를 지지하는 모터축 지지대가 형성된 하우징, 그리고 상기 모터축과 상기 모터축 지지대 사이에 개재된 제1 베어링을 포함한다.

ステアリングシステム

Steering device

In a steering device of the present invention, an electric motor rotates a steering shaft through a reduction mechanism, and the reduction mechanism and a torque sensor are accommodated in an integrally-structured housing. With this, the present invention can provide a steering device that is capable of suppressing increase in size of the electric motor.

Steering system of engineering vehicle and backhoe loader

The present disclosure provides a steering system of an engineering vehicle, and a backhoe loader. The steering system includes: a direction control device, including a steering wheel, a steering cylinder and steerable wheels, the steering cylinder being in transmission connection with the steering wheel and the steerable wheels; a displacement sensor configured to detect a piston displacement of the steering cylinder; a return motor in transmission connection with the steerable wheels to drive the steerable wheels to return to a normal position; and a controller in signal connection with the displacement sensor and the return motor, and configured to output a control signal according to the piston displacement detected by the displacement sensor to manipulate the return motor to drive the steerable wheels to return. The backhoe loader includes the steering system.

Steering system of engineering vehicle and backhoe loader

Hydraulic steering system and mobile crane

Hydraulic steering system and traveling crane

A hydraulic steering system, comprising a steering pump (1) and a plurality of digital steering cylinder components (2). Each digital steering cylinder component (2) comprises: a steering cylinder (21); a digital hydraulic valve (22), wherein a valve core thereof is driven by a motor (23), and the digital hydraulic valve (22) is configured to selectively enable a rodless cavity of the steering cylinder to be in communication with one of a steering valve and an oil return oilway, and enable a rod cavity of the steering cylinder to be in communication with the other one of the steering valve and the oil return oilway; a controller configured to send a digital pulse signal to the motor, so that the digital hydraulic valve moves to a first working position or a second working position; and a mechanical feedback structure connected between the steering cylinder and the valve core of the digital hydraulic valve, and configured to be driven by a piston rod of the steering cylinder when the valve core of the digital hydraulic valve moves to the first working position or the second working position, so as to drive the digital hydraulic valve to return to a neutral position. The system can improve the control precision and the response speed of the steering system.

Steering gear assembly with multiple input shafts, remanufacturing kit, and remanufacturing methods

A steering gear assembly, which utilizes a manually- drive first rotatable input shaft coupled with a rotatable valve member to control flow of hydraulic fluid to different downstream passages, includes a torsion tube and a transfer shaft extending within the interior of the torsion tube, with the transfer shaft being configured to receive rotational force from a second rotatable input shaft coupled to a motor or another mechanical torque-supplying element. The torsion tube applies a rotational restoring force to the rotatable valve member. A removable end cover for a steering gear assembly housing includes a rotary seal permitting rotation of the transfer shaft and/or second rotatable input shaft, with the first and second rotatable input shafts opposing one another. A remanufacturing kit for a steering gear assembly includes a torsion tube, a transfer shaft, and an end cover as mentioned. A method for remanufacturing a steering gear assembly is further provided.

A steering system and a method of controlling a steering system

具有多个输入轴的转向器组件、再制造套件和再制造方法

一种转向器组件，该转向器组件利用了手动驱动的第一可旋转输入轴，该第一可旋转输入轴与用于控制到不同下游通道的液压流体的流动的可旋转阀构件联接，该转向器组件包括扭力管和在扭力管的内部延伸的传动轴，其中该传动轴被构造成从联接到马达或另一机械扭矩供应元件的第二可旋转输入轴接收旋转力。扭力管向可旋转阀构件施加旋转恢复力。用于转向器组件壳体的可移除的端盖包括旋转密封件，该旋转密封件允许传动轴和/或第二可旋转输入轴的旋转，其中第一可旋转输入轴和第二可旋转输入轴彼此相反。一种用于转向器组件的再制造套件包括所述扭力管、传动轴和端盖。还提供了一种用于再制造转向器组件的方法。

Steering gear assembly with multiple input shafts, remanufacturing kit, and remanufacturing methods

A steering gear assembly, which utilizes a manually-drive first rotatable input shaft coupled with a rotatable valve member to control flow of hydraulic fluid to different downstream passages, includes a torsion tube and a transfer shaft extending within the interior of the torsion tube, with the transfer shaft being configured to receive rotational force from a second rotatable input shaft coupled to a motor or another mechanical torque-supplying element. The torsion tube applies a rotational restoring force to the rotatable valve member. A removable end cover for a steering gear assembly housing includes a rotary seal permitting rotation of the transfer shaft and/or second rotatable input shaft, with the first and second rotatable input shafts opposing one another. A remanufacturing kit for a steering gear assembly includes a torsion tube, a transfer shaft, and an end cover as mentioned. A method for remanufacturing a steering gear assembly is further provided.

스티어 바이 와이어 시스템의 랙바 위치 검출장치

본 발명은 스티어 바이 와이어 시스템의 랙바 위치 검출장치에 관한 것으로, 구동 휠의 조향각을 조절하기 위한 좌우로 이동하는 랙바; 랙바를 감싸면서 차체의 소정 위치에 고정된 랙바 하우징; 랙바의 외부 원주면 상부에 형성된 제 1 동판부, 저항체부 및 제 2 동판부가 상기 랙바의 길이방향으로 나란히 형성되어 있고, 저항체부의 일단은 상기 제 1 동판부와 전기적으로 연결되어 있으며, 저항체부의 타단은 제 2 동판부와 전기적으로 연결되어 있는 저항 변위부; 입력단자, 출력단자 및 접지단자로 구성되고, 상기 입력단자, 출력단자 및 접지단자는 각각 제 1 동판부, 저항체부 및 제 2 동판부와 전기적으로 접촉하도록 구성되며, 랙바 하우징에 고정된 감지단자; 및 감지단자로부터 검출된 출력전압과 랙바 위치 간의 관계를 미리 설정하여 저장한 후 감지단자의 출력전압을 검출하여 랙바의 위치를 측정함으로써 스티어 바이 와이어 시스템을 제어하는 전자제어장치로 구성된다. 따라서, 랙바 위치 검출을 위한 보다 간단하고 편리한 구조의 랙바 위치 검출장치와, 또한 랙바의 미세한 움직임에 대하여 출력단자에 의하여 검출되는 출력전압이 일정하게 유지되도록 하는 랙바 위치 검출장치에 관한 것이다.

A steering system and a method of controlling a steering system

Verfahren zur herstellung einer lenkvorrichtung

Das Verfahren zur Herstellung einer Lenkvorrichtung schließt einen Schritt der Messung der charakteristischen Daten zum Messen der charakteristischen Daten der Lenkvorrichtung, bei denen es sich um ein Diagramm handelt, welches die Beziehung zwischen dem Ausgangswert der Lenkvorrichtung relativ zu dem Lenkdrehmoment, d. h. dem Betrag der Drehung der Eingangswelle für die Prüfung (48), zum Beispiel dem Drehmoment der Sektorwelle (5); das Lenkdrehmoment der Eingangswelle zur Prüfung (48) im Verhältnis zum Drehmoment der Sektorwelle (5); oder das Lenkdrehmoment der Eingangswelle zur Prüfung (48) und das Drehmoment der Sektorwelle (5) veranschaulicht, und einen Schritt der Aufzeichnung charakteristischer Daten zum Aufzeichnen von charakteristischen Daten der Lenkvorrichtung in einem Barcode (45) ein.

ステアリング装置

本発明に係るステアリング装置は、第１液圧経路状態判断部（２０）と、第１電動モータ制御部（２１）と、第２電動モータ制御部（２２）とを含むコントローラ（２）を備える。第１液圧経路状態判断部（２０）は、第１ポンプ（Ｐ１）から吐出された作動液が通流する第１液圧経路（Ｌ１）における作動液の状態を判断する。第１電動モータ制御部（２１）は、車両の運転状態に基づき、第１電動モータ（Ｍ１）を駆動制御する。第２電動モータ制御部（２２）は、第１液圧経路状態判断部（２０）により、第１液圧経路（Ｌ１）における作動液の供給が不足していると判断されるとき、第２電動モータ（Ｍ２）の回転数を上昇させる。

Lenkvorrichtung

Diese Lenkvorrichtung ist mit einer Steuerung (2) ausgestattet, die eine erste Hydraulikdurchgangszustandsbestimmungseinheit (20), eine erste Elektromotorsteuerungseinheit (21), und eine zweite Elektromotorsteuerungseinheit (22) umfasst. Die erste Hydraulikdurchgangszustandsbestimmungseinheit (20) bestimmt den Zustand des Hydraulikfluids in einem ersten Hydraulikdurchgang (L1), durch welchen das von einer ersten Pumpe (P1) entladene Hydraulikfluid fließt. Die erste Elektromotorsteuerungseinheit (21) steuert ein Antreiben des ersten Elektromotors (M1) auf der Basis des Antriebszustands eines Fahrzeugs. Die zweite Elektromotorsteuerungseinheit (22) erhöht die Drehzahl eines zweiten Elektromotors (2), wenn die erste Hydraulikdurchgangszustandsbestimmungseinheit (20) bestimmt, dass die Hydraulikfluidzufuhr in dem ersten Hydraulikdurchgang (L1) unzureichend ist.

ステアリング装置

ステアリング装置

本発明に係るステアリング装置は、第１液圧経路状態判断部（２０）と、第１電動モータ制御部（２１）と、第２電動モータ制御部（２２）とを含むコントローラ（２）を備える。第１液圧経路状態判断部（２０）は、第１ポンプ（Ｐ１）から吐出された作動液が通流する第１液圧経路（Ｌ１）における作動液の状態を判断する。第１電動モータ制御部（２１）は、車両の運転状態に基づき、第１電動モータ（Ｍ１）を駆動制御する。第２電動モータ制御部（２２）は、第１液圧経路状態判断部（２０）により、第１液圧経路（Ｌ１）における作動液の供給が不足していると判断されるとき、第２電動モータ（Ｍ２）の回転数を上昇させる。

转向装置

本发明的转向装置具备包含第一液压通路状态判断部(20)、第一电动马达控制部(21)以及第二电动马达控制部(22)的控制器(2)。第一液压通路状态判断部(20)对从第一泵(P1)排出的工作液所流通的第一液压通路(L1)中的工作液的状态进行判断。第一电动马达控制部(21)基于车辆的运行状态，驱动控制第一电动马达(M1)。第二电动马达控制部(22)在由第一液压通路状态判断部(20)判断第一液压通路(L1)中的工作液的供给不足时，使第二电动马达(M2)的转速上升。

Sistema de direção hidráulica e ponte rolante

SISTEMA DE DIREÇÃO HIDRÁULICA E PONTE ROLANTE. Um sistema de direção hidráulica, compreendendo uma bomba de direção (1) e uma pluralidade de conjuntos de cilindro de direção digital (2). Cada conjunto de cilindro de direção digital (2) inclui: um cilindro de direção (21); uma válvula hidráulica digital (22), em que um núcleo de válvula do mesmo é acionado por um motor (23), e a válvula hidráulica digital (22) é configurada para comunicar seletivamente uma cavidade sem haste do cilindro de direção com uma dentre a bomba de direção e um circuito de óleo de retorno, e comunicar uma cavidade de haste do cilindro de direção com a outra da bomba de direção e do circuito de óleo de retorno; um controlador configurado para emitir um sinal de pulso digital para o motor, e fazer com que a válvula hidráulica digital se mova em direção a uma primeira posição de trabalho ou uma segunda posição de trabalho; e uma estrutura de realimentação mecânica conectada entre o cilindro de direção e o núcleo de válvula da válvula hidráulica digital, e configurada para ser acionada por uma haste de pistão do cilindro de direção quando o núcleo de válvula da válvula hidráulica digital se move em direção à primeira posição de trabalho ou à segunda posição de trabalho, de modo a acionar a válvula hidráulica digital para retornar para uma posição neutra. O sistema pode melhorar a precisão de controle e a velocidade de resposta do sistema de direção.

转向装置

在EPS控制器(3)中，第一自动时转向操作指令(B)基于转向操作角指令(θrc)以及转向操作角(θr)而生成，并向线(CL2)输出。该第一自动时转向操作指令(B)在加法器(56)中，通过加上转向操作指令信号修正值(C)，转换为第二转向操作指令(D)。转向操作指令信号修正值(C)基于转向装置的动力缸(6)和回转阀(16)的制造误差而设定。马达指令信号生成部(59)基于第二转向操作指令(D)和马达转速(Nm)生成目标电流(Iq＊、Id＊)。

用于运行机动车的转向系统的方法以及相应的转向系统

本发明涉及一种用于运行机动车的转向系统(1)的方法，转向系统(1)具有至少一个转向臂(2、3)和至少一个电机(13)，该电机用于在存在转向规定时使转向臂(2、3)作出引起转向运动的移位，电机(13)通过缆线(14)与电源(16)电连接，其特征在于，为了在不存在转向规定的条件下检查在电源(15)与电机(13)之间的电连接，操控电机(13)并且测量在电源(15)与电机(13)之间流过的电流，为产生或消耗无功电流而以避免发生转向运动的方式操控电机(13)，和/或为使转向臂(2、3)移位而操控电机(13)，其中在机动车的停车状态中和/或在借助于锁定装置固定转向臂(2、3)的情况下进行该操控。本发明还涉及机动车的转向系统(1)。

转向操作装置

一种转向操作装置(100)，其连接到转向机构(230)，由液压机构(240)向转向机构(230)施加转向力的一部分。转向操作装置(100)包括电动马达(110)、旋转角检测器(120)和转向操作控制装置(130)。转向操作控制装置(130)被配置成：获取目标转向角，该目标转向角是转向轮(220)的转向角的目标值；控制电动马达(110)以使得转向轮(220)的转向角达到目标转向角；使用所检测到的旋转角作为输入，基于延迟模型来估计转向轮(220)的实际转向角相对于目标转向角的延迟；输出延迟信息以及基于延迟信息校正目标转向角。

パワーステアリング装置

入力軸１１から出力軸１２へと伝達された操舵（回転）トルクが出力軸１２の外周にボールねじ機構２０を介して配設されるピストン１６の軸方向移動をもってセクタシャフト１７の回動へと変換されることによって転舵を行う操舵機構を有するパワーステアリング装置本体ＤＢと、入力軸１１外周に連結され、車載カメラ等からの走行支援情報に基づいて通電制御される中空モータ３０と、を備えたパワーステアリング装置において、入力軸１１と中空モータ３０とを、入力軸１１の外周部に突設したキー２５と、中空モータ３０を構成するロータ３１の内周面に切欠形成したキー溝３９ｅと、からなるキー結合をもって連結するようにした。

Vehicle-mounted apparatus

A vehicle-mounted apparatus includes: first and second voltage conversion circuits configured to convert voltages of electric powers supplied from first and second electric power supply circuits, to first and second predetermined voltages; first and second control circuits configured to be operated by the electric powers of the first and second predetermined voltages supplied from the first and second voltage conversion circuits, and to output first and second actuator command signals; first and second actuators configured to be actuated based on the first and second actuator command signals.

자동차 랙 스트로크 가변장치의 모터 및 기어 샤프트지지구조

본 발명은 상황에 따라 자동차의 조향 회전 반경을 가변 시킬 수 있는 자동차의 랙 스트로크 가변장치(Variable Rack Stroke; 이하 "VRS"로 칭함)에 관한 것으로 이는 특히, VRS 기구부를 덮는 케이싱내 모터 및 중간 기어의 샤프트를 지지하기 위해 마련되는 지지구에 금속 재질의 가이드를 삽입하여 상기 샤프트들의 지지구조를 보강함으로써 장치의 내구성을 향상시킬 수 있도록 한 자동차 랙 스트로크 가변장치의 모터 및 기어 샤프트 지지구조를 개시한다. 그 기술적 구성으로서 본 발명은, 랙바를 수용하는 랙 하우징의 말단부에 케이싱이 장착되고, 이 케이싱에는 모터와 모터 기어 및 중간 기어와 스톱 기어 등으로 구성된 가동수단이 설치되되 이러한 케이싱 내측에는 조립시 모터의 샤프트 및 중간 기어를 지지하는 샤프트의 단부가 끼워져 지지될 수 있도록 지지구가 구비된 랙 스트로크 가변장치에 있어서, 상기 지지구에는 원통형상의 가이드가 삽입되어 구성되는 것을 요지로 한다. 랙 스트로크 가변(VRS), 케이싱, 지지구, 금속재질의 가이드

Bremssystem für feedback von der lenkung

Bremssystem (26), das für ein fühlbares Feedback sorgt, bestehend aus: einer Welle (50), die zum Empfang einer Eingabe ausgelegt ist; einem Kolben (52), der auf die Welle (50) reagiert und zum Rotieren als Reaktion auf die Eingabe ausgelegt ist; einem Reibelement (56), das zum Ausüben einer Grundlast auf den Kolben (52) ausgelegt ist; und einem Gehäuse (40), das zumindest teilweise die Welle (50), den Kolben (52) und das Reibelement (56) enthält, wobei das Gehäuse (40) eine feste Gehäusekomponente (42), eine relativ zur festen Gehäusekomponente (42) variabel positionierbare, einstellbare Gehäusekomponente (44) und eine zwischenliegende Gehäusekomponente (46) hat, die die feste Gehäusekomponente (42) mit der einstellbaren Gehäusekomponente (44) koppelt, wobei sich das Reibelement (56) zwischen dem Kolben (52) und der zwischenliegenden Gehäusekomponente (46) befindet und eingreift.

An electro-hydraulic steering system for a vehicle and a method for limiting the steering angle of the electro-hydraulic steering system

Method for operating a steering system for a motor vehicle as well as a corresponding steering system

A method for operating a steering system for a motor vehicle, wherein the steering system has at least one steering lever and at least one electric motor for shifting the steering lever so as to cause a steering movement in the presence of a steering input, and wherein the electric motor is electrically connected to a current source via cabling. In doing so, it is provided that the electric motor is actuated and an electric current flowing between the current source and the electric motor is measured in order to check an electrical connection between the current source and the electric motor under the condition that there is no steering input present.

动力转向装置

一种动力转向装置，具有动力转向装置本体(DB)和中空电机(30)，动力转向装置本体(DB)具有转向机构，该转向机构通过利用经由滚珠丝杠机构(20)配设在输出轴(12)外周的活塞(16)的轴向移动将从输入轴(11)向输出轴(12)传递的转向(旋转)扭矩转换成扇形齿轮轴(17)的转动，进行转向，中空电机(30)与输入轴(11)外周连结，被基于来自车载摄像机等的行驶支援信息执行通电控制，输入轴(11)与中空电机(30)通过键结合连结，键结合由突出设置在输入轴(11)外周部的键(25)和在构成中空电机(30)的转子(31)的内周面上切削形成的键槽(39e)构成。

ステアリング装置の製造方法

用于运行机动车的转向系统的方法以及相应的转向系统

本发明涉及一种用于运行机动车的转向系统(1)的方法，转向系统(1)具有至少一个转向臂(2、3)和至少一个电机(13)，该电机用于在存在转向规定时使转向臂(2、3)作出引起转向运动的移位，电机(13)通过缆线(14)与电源(16)电连接，其特征在于，为了在不存在转向规定的条件下检查在电源(15)与电机(13)之间的电连接，操控电机(13)并且测量在电源(15)与电机(13)之间流过的电流，为产生或消耗无功电流而以避免发生转向运动的方式操控电机(13)，和/或为使转向臂(2、3)移位而操控电机(13)，其中在机动车的停车状态中和/或在借助于锁定装置固定转向臂(2、3)的情况下进行该操控。本发明还涉及机动车的转向系统(1)。

車両搭載機器

【課題】電源電圧に関わらず冗長系の制御回路を動作させることができる車載搭載機器を提供する。【解決手段】本発明の車載搭載機器は、第１電力供給回路から供給された電力の電圧を第１所定電圧に変換する第１電圧変換回路と、第１電圧変換回路から供給される電力によって作動し、第１アクチュエータ指令信号を出力する第１制御回路と、第１アクチュエータ指令信号に基づき動作する第１アクチュエータと、第２電力供給回路から供給された電力の電圧を第２所定電圧に変換する第２電圧変換回路と、第２電圧変換回路から供給される電力によって作動し、第２アクチュエータ指令信号を出力する第２制御回路と、第２アクチュエータ指令信号に基づき動作する第２アクチュエータと、を備える。【選択図】図３

車両搭載機器

車載搭載機器は、第１電力供給回路から供給された電力の電圧を第１所定電圧に変換する第１電圧変換回路と、第１電圧変換回路から供給される電力によって作動し、第１アクチュエータ指令信号を出力する第１制御回路と、第１アクチュエータ指令信号に基づき動作する第１アクチュエータと、第２電力供給回路から供給された電力の電圧を第２所定電圧に変換する第２電圧変換回路と、第２電圧変換回路から供給される電力によって作動し、第２アクチュエータ指令信号を出力する第２制御回路と、第２アクチュエータ指令信号に基づき動作する第２アクチュエータと、を備える。

车辆搭载设备

车载搭载设备具备：第一电压转换电路，其将从第一电力供给电路供给的电力的电压转换成第一规定电压；第一控制电路，其利用从第一电压转换电路供给的电力而工作，输出第一促动器指令信号；第一促动器，其基于第一促动器指令信号进行动作；第二电压转换电路，其将从第二电力供给电路供给的电力的电压转换成第二规定电压；第二控制电路，其利用从第二电压转换电路供给的电力而工作，输出第二促动器指令信号；第二促动器，其基于第二促动器指令信号进行动作。

Steering system

The present disclosure relates to a steering system for a vehicle, and a steering system according to an embodiment of the present disclosure includes a motor configured to assist a steering force by rotating a steering shaft, a first bevel gear coupled to a motor shaft of the motor, a first lock nut configured to fix the first bevel gear to the motor shaft, a second bevel gear configured to engage with the first bevel gear, a housing coupled to the motor and configured to accommodate the first bevel gear and the second bevel gear, the housing having a motor shaft support configured to support an end of the motor shaft, and a first bearing interposed between the motor shaft and the motor shaft support.

转向装置的制造方法

转向装置的制造方法包括：特性数据测定工序，测定转向装置特性数据，该转向装置特性数据是相对于检查用输入轴(48)的扭转量即转向转矩的转向装置的输出值例如扇形齿轮轴(5)的扭转转矩、或者相对于扇形齿轮轴(5)的扭转转矩的检查用输入轴(48)的转向转矩、或者表示检查用输入轴(48)的转向转矩与扇形齿轮轴(5)的扭转转矩的关系的曲线图等；以及特性数据记录工序，将转向装置特性数据记录于条形码(45)。

Steering device

A steering device is connected to a turning mechanism to which a part of a turning force is applied by a hydraulic mechanism. The steering device includes an electric motor, a rotation angle detector, and a steering control device. The steering control device is configured to acquire a target turning angle which is a target value of a turning angle of turning wheels, to control the electric motor such that a turning angle of the turning wheels reaches the target turning angle, to estimate a delay of an actual turning angle of the turning wheels with respect to the target turning angle based on a delay model with the detected rotation angle as an input, to output delay information, and to correct the target turning angle based on the delay information.

Hydraulic steering system and mobile crane

A hydraulic steering system, comprising a steering pump and a plurality of digital steering cylinder assemblies. Each digital steering cylinder assemblies includes: a steering cylinder; a digital hydraulic valve, wherein a valve core thereof is driven by a motor?and the digital hydraulic valve is configured to selectively communicate a rodless cavity of the steering cylinder with one of the steering pump and a return oil circuit, and communicate a rod cavity of the steering cylinder with the other of the steering pump and the return oil circuit; a controller configured to emit a digital pulse signal to the motor, and cause the digital hydraulic valve to move towards a first working position or a second working position; and a mechanical feedback structure connected between the steering cylinder and the valve core of the digital hydraulic valve, and configured to be driven by a piston rod of the steering cylinder when the valve core of the digital hydraulic valve moves towards the first working position or the second working position, so as to drive the digital hydraulic valve to return to a neutral position. The system can improve the control precision and the response speed of the steering system.

자동차의 스티어링 랙 스트로크 조절구조

본 발명은 자동차의 스티어링 랙 스트로크 조절구조에 관한 것으로, 더 상세하게는 차량을 운행하는 운전자가 필요에 따라 용이하게 스티어링 랙의 스트로크 량을 임의 조절할 수 있도록 하여 최소 회전 반경을 가변시킬 수 있도록 함으로써, 차량을 운행 시 조향의 편의성이 향상되도록 하는 자동차의 스티어링 랙 스트로크 조절구조에 관한 것이다. 이러한 본 발명은 스티어링휠(100)과 접속된 스티어링샤프트(400)의 하단부에 기어박스(200)가 결합되고, 상기 기어박스(200)의 끝단에는 타이로드(300)가 결합되어 있는 인너볼조인트소켓(500)의 접촉 유무에 따라 랙(600)의 스트로크를 제한하는 랙스톱퍼(800)가 설치되어 지는 것에 있어서, 상기 랙스톱퍼(800)와 인너볼조인트소켓(500) 사이에 1차랙스톱퍼(700)를 설치하고, 상기 1차랙스톱퍼(700)와 랙스톱퍼(800) 사이에는 스프링 또는 고무와 같이 자체 탄성력을 갖고있는 탄성부재(900)가 설치되는 것에 의해 달성된다.

Sistema de direccion para vehiculos automoviles.

Sistema de dirección, especialmente para vehículos automóviles, con un mango de dirección (1) que está unido con un actuador de volante (2), correspondiéndose el actuador (2) del volante con un engranaje de superposición (11) que presenta al menos un servomotor (12) para accionar al menos una etapa de engranaje (13) unida con una cremallera (15), caracterizado porque está prevista, para la asistencia hidráulica del movimiento de la cremallera, una instalación hidráulica (7) que presenta una válvula de dirección (6) que puede ser maniobrada por el engranaje de superposición (11), pudiendo unirse también el mango de dirección (1) con la válvula de dirección (6) por medio del cierre de un embrague frenable (4).

动力转向装置

一种动力转向装置，具有动力转向装置本体(DB)和中空电机(30)，动力转向装置本体(DB)具有转向机构，该转向机构通过利用经由滚珠丝杠机构(20)配设在输出轴(12)外周的活塞(16)的轴向移动将从输入轴(11)向输出轴(12)传递的转向(旋转)扭矩转换成扇形齿轮轴(17)的转动，进行转向，中空电机(30)与输入轴(11)外周连结，被基于来自车载摄像机等的行驶支援信息执行通电控制，输入轴(11)与中空电机(30)通过键结合连结，键结合由突出设置在输入轴(11)外周部的键(25)和在构成中空电机(30)的转子(31)的内周面上切削形成的键槽(39e)构成。

转向装置的制造方法

转向装置的制造方法包括：特性数据测定工序，测定转向装置特性数据，该转向装置特性数据是相对于检查用输入轴(48)的扭转量即转向转矩的转向装置的输出值例如扇形齿轮轴(5)的扭转转矩、或者相对于扇形齿轮轴(5)的扭转转矩的检查用输入轴(48)的转向转矩、或者表示检查用输入轴(48)的转向转矩与扇形齿轮轴(5)的扭转转矩的关系的曲线图等；以及特性数据记录工序，将转向装置特性数据记录于条形码(45)。

Steering device

转向装置

在EPS控制器(3)中，第一自动时转向操作指令(B)基于转向操作角指令(θrc)以及转向操作角(θr)而生成，并向线(CL2)输出。该第一自动时转向操作指令(B)在加法器(56)中，通过加上转向操作指令信号修正值(C)，转换为第二转向操作指令(D)。转向操作指令信号修正值(C)基于转向装置的动力缸(6)和回转阀(16)的制造误差而设定。马达指令信号生成部(59)基于第二转向操作指令(D)和马达转速(Nm)生成目标电流(Iq＊、Id＊)。

Electro-hydraulic metering unit

An electrohydraulic steering system includes an electro-hydraulic metering unit and a control device. The electro-hydraulic metering unit includes an electric positioner operatively connected to the control device and a hand metering unit operatively connected to the electric positioner. The electro-hydraulic metering unit includes an intermediate electric positioner interface member operatively connected to the electric positioner and an intermediate interface member operatively connected to the hand metering unit and the intermediate electric positioner interface member.

转向操作装置

一种转向操作装置(100)，其连接到转向机构(230)，由液压机构(240)向转向机构(230)施加转向力的一部分。转向操作装置(100)包括电动马达(110)、旋转角检测器(120)和转向操作控制装置(130)。转向操作控制装置(130)被配置成：获取目标转向角，该目标转向角是转向轮(220)的转向角的目标值；控制电动马达(110)以使得转向轮(220)的转向角达到目标转向角；使用所检测到的旋转角作为输入，基于延迟模型来估计转向轮(220)的实际转向角相对于目标转向角的延迟；输出延迟信息以及基于延迟信息校正目标转向角。

电机控制装置和转向系统

公开了电机控制装置和转向系统。电机控制装置(100)对转向系统(200)中的电动机(110)进行控制，转向系统(200)包括：液压机构(240)，其将转向力的一部分施加至转向机构(230)；以及电动机(110)，其施加转向力的另一部分。电机控制装置(100)包括：实际转向角获取单元(134)，其被配置成获取转向轮(220)的实际转向角；目标转向角获取单元(131)，其被配置成获取作为转向角的目标值的目标转向角；控制值生成单元(132)，其被配置成生成用于控制电动机(110)以使实际转向角达到目标转向角的电机控制值；以及指令值计算单元(133)，其被配置成生成通过从所述电机控制值滤除所述转向系统(200)的固有频率而获得的指令值。

转向装置

本发明的转向装置具备包含第一液压通路状态判断部(20)、第一电动马达控制部(21)以及第二电动马达控制部(22)的控制器(2)。第一液压通路状态判断部(20)对从第一泵(P1)排出的工作液所流通的第一液压通路(L1)中的工作液的状态进行判断。第一电动马达控制部(21)基于车辆的运行状态，驱动控制第一电动马达(M1)。第二电动马达控制部(22)在由第一液压通路状态判断部(20)判断第一液压通路(L1)中的工作液的供给不足时，使第二电动马达(M2)的转速上升。

具有多个输入轴的转向器组件、再制造套件和再制造方法

一种转向器组件，该转向器组件利用了手动驱动的第一可旋转输入轴，该第一可旋转输入轴与用于控制到不同下游通道的液压流体的流动的可旋转阀构件联接，该转向器组件包括扭力管和在扭力管的内部延伸的传动轴，其中该传动轴被构造成从联接到马达或另一机械扭矩供应元件的第二可旋转输入轴接收旋转力。扭力管向可旋转阀构件施加旋转恢复力。用于转向器组件壳体的可移除的端盖包括旋转密封件，该旋转密封件允许传动轴和/或第二可旋转输入轴的旋转，其中第一可旋转输入轴和第二可旋转输入轴彼此相反。一种用于转向器组件的再制造套件包括所述扭力管、传动轴和端盖。还提供了一种用于再制造转向器组件的方法。

转向装置

本发明的转向装置具有：液压式的第一动力转向机构(A)，其具有活塞(11)和旋转阀(39)，利用泵装置(402)所产生的液压；电动式的第二动力转向机构(B)，其直接使用电动马达(7)的动力作为转向辅助力，经由减速机构(8)使转向轴(3)旋转；减速机构(8)和扭矩传感器(12)被收容于一体构造的壳体(9)。由此，提供一种抑制了大型化的电动液压式转向装置。

工程车辆的转向系统和挖掘装载机

本公开提供一种工程车辆的转向系统和挖掘装载机。转向系统包括：方向控制装置，包括方向盘、转向油缸和转向轮，转向油缸与方向盘和转向轮传动连接；位移传感器，被配置为检测转向油缸的活塞位移；回正电机，与转向轮传动连接以驱动转向轮回正；和控制器，与位移传感器和回正电机信号连接，被配置为根据位移传感器检测的活塞位移发出控制信号以控制回正电机驱动转向轮回正。挖掘装载机包括前述转向系统。本公开利于提升转向系统的操纵轻便性。

车辆搭载设备

车载搭载设备具备：第一电压转换电路，其将从第一电力供给电路供给的电力的电压转换成第一规定电压；第一控制电路，其利用从第一电压转换电路供给的电力而工作，输出第一促动器指令信号；第一促动器，其基于第一促动器指令信号进行动作；第二电压转换电路，其将从第二电力供给电路供给的电力的电压转换成第二规定电压；第二控制电路，其利用从第二电压转换电路供给的电力而工作，输出第二促动器指令信号；第二促动器，其基于第二促动器指令信号进行动作。

用于运行机动车的转向系统的方法以及相应的转向系统

本发明涉及一种用于运行机动车的转向系统(1)的方法，转向系统(1)具有至少一个转向臂(2、3)和至少一个电机(13)，该电机用于在存在转向规定时使转向臂(2、3)作出引起转向运动的移位，电机(13)通过缆线(14)与电源(16)电连接，其特征在于，为了在不存在转向规定的条件下检查在电源(15)与电机(13)之间的电连接，操控电机(13)并且测量在电源(15)与电机(13)之间流过的电流，为产生或消耗无功电流而以避免发生转向运动的方式操控电机(13)，和/或为使转向臂(2、3)移位而操控电机(13)，其中在机动车的停车状态中和/或在借助于锁定装置固定转向臂(2、3)的情况下进行该操控。本发明还涉及机动车的转向系统(1)。

转向装置

本发明提供使电机小型化的转向装置。搭载于车辆的转向装置(1)具有：动力转向单元(12)，配置于比车厢(2)的地板部(7)更靠下方的位置；以及同轴电机(20)，紧邻地设置于动力转向单元(12)的上方，其输出轴设置为与动力转向单元(12)的输入轴同轴。