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CN110239619A - A kind of hybrid power truck steering boost system, control system and method - Google Patents

A kind of hybrid power truck steering boost system, control system and method Download PDF

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Publication number
CN110239619A
CN110239619A CN201910368652.3A CN201910368652A CN110239619A CN 110239619 A CN110239619 A CN 110239619A CN 201910368652 A CN201910368652 A CN 201910368652A CN 110239619 A CN110239619 A CN 110239619A
Authority
CN
China
Prior art keywords
oil
pump
steering
diverter
engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910368652.3A
Other languages
Chinese (zh)
Inventor
刘聪
吴铁锋
张宏伟
徐锦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd
Geely Sichuan Commercial Vehicle Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd
Geely Sichuan Commercial Vehicle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd, Geely Sichuan Commercial Vehicle Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN201910368652.3A priority Critical patent/CN110239619A/en
Publication of CN110239619A publication Critical patent/CN110239619A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/062Details, component parts
    • B62D5/063Pump driven by vehicle engine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/062Details, component parts
    • B62D5/064Pump driven independently from vehicle engine, e.g. electric driven pump
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D5/00Power-assisted or power-driven steering
    • B62D5/06Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/08Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of steering valve used

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Steering Mechanism (AREA)

Abstract

The invention discloses a kind of hybrid power truck steering boost systems, including oil can, oil pipe, power steering apparatus, two-way one-way valve and diverter;The power steering apparatus includes electric boosted pump and power steering pump;The oil can, the electric boosted pump, the two-way one-way valve, the diverter are sequentially connected into circuit by oil pipe, constitute the first hydraulic booster mechanism;The oil can, the power steering pump, the two-way one-way valve, the diverter are sequentially connected into circuit by oil pipe, constitute the second hydraulic booster mechanism.The invention also discloses control system, the methods of the hybrid power truck steering boost system, control the first hydraulic booster mechanism and the second hydraulic booster mechanism.Compared with the existing technology, steering boost system of the hybrid power truck under fuel oil driving, hybrid power driving, pure electric drive mode can continually and steadily be run the present invention, improve flexibility, reliability and the travel safety of steering boost system.

Description

A kind of hybrid power truck steering boost system, control system and method
Technical field
The present invention relates to Vehicular turn force aid system technical field more particularly to a kind of hybrid power truck power steering systems System, control system and method.
Background technique
With the fast development of the upgrading of vehicular emission standards and new energy technology in recent years, new energy heavy truck is Become the hot spot of major automaker research and development, steering boost system technology relevant to new energy heavy truck is also therewith It is developed and is promoted.Steering boost system is the system and device that heavy truck must match, and function is to provide liquid to steering control mechanism Power-assisted is pressed, so that handling maneuver is more light, comfortable and safe.
What traditional fuel oil truck generallyd use is the single loop that engine is formed for power source drive power steering pump Hydraulic steering power-assisted system is not suitable for pure electric vehicle and hybrid power truck.In the prior art using the steering of electrodynamic pump driving Power-assisted single-loop system, including to provide power steering motor, to provide the electric energy high voltage power supply of motor operation And low-tension supply, when high voltage power supply failure, low-tension supply, which can intervene, carries out emergency steering.The steering boost system pair Pure electric card vehicle is applicable in relatively, but the disadvantage is that must guarantee vehicle always has sufficient electric energy, and low-tension supply input cannot continue Stable operation is also not suitable for the power-fail of hybrid power truck or the operating condition for being switched completely to fuel states, when motor goes out The when marquis of existing failure, the either input system of high voltage power supply or low-tension supply can not all work, and influence travel safety.
Summary of the invention
The purpose of the present invention is to provide a kind of hybrid power truck steering boost system, control system and method, to Overcome the steering boost system of hybrid power truck in the prior art and cannot continually and steadily run, not safe and reliable etc. enough technologies Problem.
The present invention is achieved by the following technical solutions:
A kind of hybrid power truck steering boost system, including oil can, oil pipe, power steering apparatus, two-way one-way valve and Diverter;The power steering apparatus includes electric boosted pump and power steering pump;The oil can, the electric boosted pump, institute It states two-way one-way valve, the diverter and circuit is sequentially connected by the oil pipe, constitute the first hydraulic booster mechanism;The oil Pot, the power steering pump, the two-way one-way valve, the diverter are sequentially connected into circuit by the oil pipe, constitute the Two hydraulic booster mechanisms.
Further, the two-way one-way valve is shuttle valve, has first input end, the second input terminal and output end, described Shuttle valve is equipped with sliding valve core, and the sliding valve core is used to block the first input end or the second input terminal of the shuttle valve.
Further, the oil can is connect by three-way connection with the electric boosted pump and the power steering pump, institute Three-way connection is stated with the first connector, the second connector and third connector;The oil pipe includes oil can flowline, the suction of electric boosted pump Oil pipe and electronic-controlled power steering oil pump suction tube;The outlet end of the oil can, the oil can flowline, first connector, described second The input end of connector, the electric boosted oil pump suction tube and the electric boosted pump is sequentially connected with, and the third connector passes through institute Electronic-controlled power steering oil pump suction tube is stated to connect with the input end of the power steering pump.
Further, the oil pipe further includes electric boosted oil pump outlet line, electronic-controlled power steering oil pump outlet line, diverter oil inlet pipe With oil can oil return pipe;The outlet end of the electric boosted pump is first defeated by the electric boosted oil pump outlet line and the shuttle valve Enter end to be connected, the second input terminal that the outlet end of the power steering pump passes through the electronic-controlled power steering oil pump outlet line and the shuttle valve Connection;The output end of the shuttle valve connects the input end of the diverter by the diverter oil inlet pipe, the diverter Outlet end is connected by the oil can oil return pipe with the input end of the oil can.
Further, the power steering pump is installed on the engine.
Further, the oil can, the oil can oil return pipe, the diverter oil inlet pipe, the three-way connection, the electricity Dynamic boost pump and the diverter are fixed by the bracket and are connected on vehicle frame.
Further, the servo steering system further includes electric machine controller, and the electric machine controller control is described electronic The operating status of boost pump.
Further, the present invention provides a kind of control system of hybrid power truck steering boost system, including data are adopted Acquisition means, controller and above-mentioned hybrid power truck steering boost system, the controller acquire with the data fill respectively It sets, the electrical connection of the engine and the electric machine controller, the electric machine controller is electrically connected with the electric boosted pump.
Further, the present invention provides a kind of control method, and the control method is realized based on above-mentioned control system, packet Include: the controller judges whether the operating status of the engine is in working condition;If the operating status of engine is work State, the power steering pump keep normal operating mode, run second hydraulic booster mechanism;If the work of engine State is not working condition, operation instruction is sent from the controller to the electric machine controller, so that the electric machine controller The electric boosted pump work is controlled, first hydraulic booster mechanism is run.
Further, before the controller judges whether the operating status of the engine is working condition further include: The data acquisition device acquires the rotary speed information of the engine, and the rotary speed information is sent to the controller;It is described Controller determines the operating status of the engine according to the rotary speed information, when the revolving speed of the engine is not zero, really The operating status of the fixed engine is in working condition.
The invention has the following beneficial effects:
Hybrid power truck steering boost system, control system and method for the invention, by using two-way one-way valve, shape At the first hydraulic booster mechanism with electric boosted pump for power source, and using the power steering pump of installation on the engine as power The second hydraulic booster mechanism in source, Liang Tiao hydraulic booster mechanism route is run independently of each other, non-interference.Mixing of the invention is dynamic The control system and method for power truck steering boost system control Liang Tiao hydraulic booster mechanism route by controller, It can be switched over while independent operating by control logic between the two, can guarantee that hybrid power truck drives in fuel oil Steering boost system under dynamic, hybrid power driving, pure electric drive mode can continually and steadily be run, and improve power steering system The flexibility of system, reliability, and improve travel safety.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology and advantage, below will be to implementation Example or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, the accompanying drawings in the following description is only It is only some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the front view of steering boost system of the invention;
Fig. 2 is the rearview of steering boost system of the invention;
Wherein, appended drawing reference is corresponding in figure are as follows: the electric boosted pump of 1- oil can, 2- oil can flowline, 3- three-way connection, 4- is inhaled The electric boosted pump of oil pipe, 5-, the electric boosted oil pump outlet line of 6-, 7- shuttle valve, 8- diverter oil inlet pipe, 9- diverter, 10- oil can return Oil pipe, 11- electronic-controlled power steering oil pump suction tube, 12- power steering pump, 13- electronic-controlled power steering oil pump outlet line, 14- oil can bracket, 15- pipe Road bracket, 16- three-way connection bracket, 17- electrodynamic pump bracket, 18- steering gear bracket.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment to the present invention make into One step it is described in detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative labor Every other embodiment, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " first ", " second ", " third " etc. are for distinguishing class As object, without being used to describe a particular order or precedence order.It should be understood that the data used in this way are in appropriate situation Under can be interchanged, so that the embodiment of the present invention described herein can be other than those of illustrating or describing herein Sequence is implemented.
In the present invention unless specifically defined or limited otherwise, the terms such as term " connected ", " connection " should do broad sense reason Solution, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connection, be also possible to electricity Connection;It can be directly connected, being connected inside two elements or two can also be can be indirectly connected through an intermediary The interaction relationship of element.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.
Embodiment
In the present embodiment, as shown in Figs. 1-2, a kind of hybrid power truck steering boost system is provided, including oil can 1, Oil pipe, power steering apparatus, two-way one-way valve and diverter 9;Oil can 1 is for storing power steering oil;Power steering apparatus is used In providing power-assisted for Vehicular turn, keep Vehicular turn lighter, including electric boosted pump 5 and power steering pump 12;Diverter 9 is For the rotatory force of steering wheel to be become to the transmission device of wheel steering power;Oil can 1, two-way one-way valve, turns electric boosted pump 5 Forming circuit is sequentially connected by oil pipe to device 9 and constitutes the first hydraulic booster mechanism, oil can 1, power steering pump 12, two-way single-pass Valve, diverter 9 are sequentially connected forming circuit by oil pipe and constitute the second hydraulic booster mechanism, due to using two-way one-way valve, The power source of electric boosted pump 5 and power steering pump 12 as two offer hydraulic boosters can provide hydraulic help for diverter 9 Power, the first hydraulic booster mechanism and the second hydraulic booster mechanism are run independently of each other, non-interference, and the two of the steering boost system The independent hydraulic booster mechanism route of item, can guarantee that the steering boost system of hybrid power truck is continually and steadily run.
In the present embodiment, two-way one-way valve is shuttle valve 7, and there are two input terminal and an output ends for tool, and respectively first is defeated Enter end, the second input terminal and output end.Sliding valve core is equipped with inside shuttle valve 7, sliding valve core is used to block the first input of shuttle valve 7 End or the second input terminal.Sliding valve core slides to the small input terminal of pressure, and the small input terminal of pressure is blocked, so that pressure is big Input terminal output.Due to the circulation using sliding valve core control first input end and the second input terminal, the first hydraulic booster mechanism One-way output is carried out by shuttle valve 7 with the hydraulic incoming line of the second hydraulic booster mechanism, non-interference, always output pressure Big hydraulic incoming line, so that steering boost system structure is simple, and safe and reliable.
In the present embodiment, oil can 1 is connect by three-way connection 3 with electric boosted pump 5 and power steering pump 12, three-way connection There are three connector, respectively the first connector, the second connector and third connectors for 3 tools.Oil pipe includes oil can flowline 2, electric boosted Oil pump suction tube 4 and electronic-controlled power steering oil pump suction tube 11.The outlet end of oil can 1, oil can flowline 2, the first connector, the second connector, electricity The input end of dynamic power-assisted oil pump suction tube 4 and electric boosted pump 5 is sequentially connected with, and is connected to electric boosted pump 5 from the outlet end of oil can 1 Input end route form the first hydraulic booster mechanism incoming line.Third connector by electronic-controlled power steering oil pump suction tube 11 with The input end of power steering pump 12 connects, and the route composition of the input end of power steering pump 12 is connected to from the outlet end of oil can 1 The incoming line of second hydraulic booster mechanism.
In the present embodiment, oil pipe further includes electric boosted oil pump outlet line 6, electronic-controlled power steering oil pump outlet line 13, diverter oil inlet Pipe 8 and oil can oil return pipe 10;The first input end that the outlet end of electric boosted pump 5 passes through electric boosted oil pump outlet line 6 and shuttle valve 7 It is connected, the outlet end of power steering pump 12 is connect by electronic-controlled power steering oil pump outlet line 13 with the second input terminal of shuttle valve 7;Shuttle valve 7 Output end the input end of diverter 9 is connected by diverter oil inlet pipe 8, the outlet end of diverter 9 passes through oil can oil return pipe 10 It is connected with the input end of oil can 1.The route for being connected to the input end of oil can 1 from the outlet end of electric boosted pump 5 forms the first liquid The outlet line for pressing servomechanism is connected to the route composition second of the input end of oil can 1 from the outlet end of power steering pump 12 The outlet line of hydraulic booster mechanism.
In the present embodiment, power steering pump 12 is mounted on engine corresponding interface, is the hydraulic oil by driven by engine Pump, when engine operates normally, 12 continuous running of power steering pump provides hydraulic booster for steering boost system.
In the present embodiment, oil can 1, oil can oil return pipe 10, diverter oil inlet pipe 8, three-way connection 3, it is electric boosted pump 5 and turn It is fixed by the bracket and is connected on vehicle frame to device 9, be accordingly oil can bracket 14, pipeline support 15, three-way connection bracket 16, electric boosted pump bracket 17, steering gear bracket 18, wherein oil can oil return pipe 10 and diverter oil inlet pipe 8 are commonly through pipeline The installation of bracket 15 is fixed.
In the present embodiment, steering boost system further includes electric machine controller, and electric machine controller controls opening for electric boosted pump 5 The working conditions such as open and close.
Embodiment
In the present embodiment, a kind of control system of above-mentioned hybrid power truck steering boost system, including data are provided The hybrid power truck steering boost system of acquisition device, controller and above-described embodiment, controller acquire with data fill respectively It sets, the electrical connection of engine and electric machine controller, electric machine controller is electrically connected with electric boosted pump.
Embodiment
In the present embodiment, the control method of hybrid power truck steering boost system is provided, which is based on upper The control system for stating embodiment is realized, comprising: controller judges whether the operating status of engine is in working condition;If engine Operating status be in working condition, power steering pump 12 keeps normal operating mode, runs the second hydraulic booster mechanism;If hair The working condition of motivation is not working condition, operation instruction is sent from controller to electric machine controller, so that electric machine controller control Electric boosted 5 work of pump is made, the first hydraulic booster mechanism is run.
In the present embodiment, before controller judges whether the operating status of engine is working condition further include: data are adopted Acquisition means acquire the rotary speed information of engine, and rotary speed information is sent to controller;Controller starts according to rotary speed information determination The operating status of machine determines that the operating status of engine is in working condition when the revolving speed of engine is not zero.
In the present embodiment, the control logic of controller can also carry out editor's adjustment as needed, so that the power steering System has higher flexibility.Steering boost system uses the second hydraulic booster mechanism with power steering pump 12 for power source Based on, in a manner of the independent steering power-assisted supplemented by electric boosted 5 the first hydraulic booster mechanism for power source of pump, and ventilating controller First hydraulic booster mechanism and the second hydraulic booster mechanism are controlled, when engine is shut down, 5 energy of electric boosted pump Start work immediately and effectively run, is able to pass through the controller switches between the two, ensure that hybrid power truck is firing Steering boost system under oil driving, hybrid power driving and pure electric drive mode can continually and steadily be run, with higher Flexibility and reliability, and then improve travel safety.
The above embodiment of the present invention, have the following beneficial effects: hybrid power truck steering boost system of the invention, Control system and method form the first hydraulic booster mechanism with electric boosted pump for power source by using two-way one-way valve, With to install power steering pump on the engine as the second hydraulic booster mechanism of power source, Liang Tiao hydraulic booster mechanism route Mutually indepedent operation, it is non-interference.The control system and method for hybrid power truck steering boost system of the invention, pass through control Device processed controls Liang Tiao hydraulic booster mechanism route, between the two by control logic can while independent operating into Row switching can guarantee power steering system of the hybrid power truck under fuel oil driving, hybrid power driving, pure electric drive mode System can continually and steadily be run, and improve flexibility, the reliability of steering boost system, and improve travel safety.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (10)

1. a kind of hybrid power truck steering boost system, which is characterized in that including oil can (1), oil pipe, power steering apparatus, Two-way one-way valve and diverter (9);
The power steering apparatus includes electric boosted pump (5) and power steering pump (12);
The oil can (1), the electric boosted pump (5), the two-way one-way valve, the diverter (9) by the oil pipe according to It is secondary to be connected to circuit, constitute the first hydraulic booster mechanism;
The oil can (1), the power steering pump (12), the two-way one-way valve, the diverter (9) by the oil pipe according to It is secondary to be connected to circuit, constitute the second hydraulic booster mechanism.
2. hybrid power truck steering boost system according to claim 1, which is characterized in that the two-way one-way valve is Shuttle valve (7), has first input end, the second input terminal and output end, and the shuttle valve (7) is equipped with sliding valve core, the slide-valve Core is used to block the first input end or the second input terminal of the shuttle valve (7).
3. hybrid power truck steering boost system according to claim 1 or 2, which is characterized in that the oil can (1) is logical It crosses three-way connection (3) to connect with the electric boosted pump (5) and the power steering pump (12), the three-way connection (3) has First connector, the second connector and third connector;The oil pipe includes oil can flowline (2), electric boosted oil pump suction tube (4) and moves Power turns to oil pump suction tube (11);The outlet end of the oil can (1), the oil can flowline (2), first connector, described The input end of two connectors, the electric boosted oil pump suction tube (4) and the electric boosted pump (5) is sequentially connected with, and the third connects Head is connect by the electronic-controlled power steering oil pump suction tube (11) with the input end of the power steering pump (12).
4. hybrid power truck steering boost system according to claim 3, which is characterized in that the oil pipe further includes electricity Dynamic power-assisted oil pump outlet line (6), electronic-controlled power steering oil pump outlet line (13), diverter oil inlet pipe (8) and oil can oil return pipe (10);The electricity The outlet end of dynamic boost pump (5) is connected by the electric boosted oil pump outlet line (6) with the first input end of the shuttle valve (7), The second input that the outlet end of the power steering pump (12) passes through the electronic-controlled power steering oil pump outlet line (13) and the shuttle valve (7) End connection;The output end of the shuttle valve (7) connects the input end of the diverter (9), institute by the diverter oil inlet pipe (8) The outlet end for stating diverter (9) is connected by the oil can oil return pipe (10) with the input end of the oil can (1).
5. hybrid power truck steering boost system according to claim 4, which is characterized in that the power steering pump (12) it installs on the engine.
6. hybrid power truck steering boost system according to claim 5, which is characterized in that the oil can (1), described Oil can oil return pipe (10), the diverter oil inlet pipe (8), the three-way connection (3), the electric boosted pump (5) and described turn It is fixed by the bracket and is connected on vehicle frame to device (9).
7. hybrid power truck steering boost system according to claim 1-6, which is characterized in that further include electricity Machine controller, the operating status of the electric machine controller control electric boosted pump (5).
8. a kind of control system of hybrid power truck steering boost system, which is characterized in that including data acquisition device, control Device and hybrid power truck steering boost system of any of claims 1-7, the controller respectively with the number It is electrically connected according to acquisition device, the engine and the electric machine controller, the electric machine controller and the electric boosted pump (5) Electrical connection.
9. a kind of control method of the steering boost system of hybrid power truck, which is characterized in that the control method is based on power Benefit require 8 described in control system realize, comprising:
The controller judges whether the operating status of the engine is in working condition;
If the operating status of engine is in working condition, the power steering pump (12) keeps normal operating mode, runs institute State the second hydraulic booster mechanism;
If the working condition of engine is not working condition, operation instruction is sent from the controller to the electric machine controller, So that electric machine controller control electric boosted pump (5) work, runs first hydraulic booster mechanism.
10. control method according to claim 9, which is characterized in that the controller judges the operation of the engine Before whether state is working condition further include:
The data acquisition device acquires the rotary speed information of the engine, and the rotary speed information is sent to the controller;
The controller determines the operating status of the engine according to the rotary speed information, when the revolving speed of the engine is not When zero, determine that the operating status of the engine is in working condition.
CN201910368652.3A 2019-05-05 2019-05-05 A kind of hybrid power truck steering boost system, control system and method Pending CN110239619A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910368652.3A CN110239619A (en) 2019-05-05 2019-05-05 A kind of hybrid power truck steering boost system, control system and method

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Application Number Priority Date Filing Date Title
CN201910368652.3A CN110239619A (en) 2019-05-05 2019-05-05 A kind of hybrid power truck steering boost system, control system and method

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Publication Number Publication Date
CN110239619A true CN110239619A (en) 2019-09-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111661147A (en) * 2020-06-10 2020-09-15 南京金龙客车制造有限公司 Emergency steering system based on two-shaft power take-off of gearbox

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Publication number Priority date Publication date Assignee Title
CN102390251A (en) * 2011-08-18 2012-03-28 上海中科深江电动车辆有限公司 Hybrid vehicle two-kinetic-source engaging and disengaging system
CN202193115U (en) * 2011-08-15 2012-04-18 烟台海德专用汽车有限公司 Double-pump hydraulic power steering device for hybrid electric vehicle
CN104085445A (en) * 2014-07-30 2014-10-08 重庆五洲龙新能源汽车有限公司 Hydraulic power steering system of hybrid electric vehicle
US20160152260A1 (en) * 2014-11-27 2016-06-02 Hyundai Motor Company Control method for electro hydraulic power steering system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202193115U (en) * 2011-08-15 2012-04-18 烟台海德专用汽车有限公司 Double-pump hydraulic power steering device for hybrid electric vehicle
CN102390251A (en) * 2011-08-18 2012-03-28 上海中科深江电动车辆有限公司 Hybrid vehicle two-kinetic-source engaging and disengaging system
CN104085445A (en) * 2014-07-30 2014-10-08 重庆五洲龙新能源汽车有限公司 Hydraulic power steering system of hybrid electric vehicle
US20160152260A1 (en) * 2014-11-27 2016-06-02 Hyundai Motor Company Control method for electro hydraulic power steering system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111661147A (en) * 2020-06-10 2020-09-15 南京金龙客车制造有限公司 Emergency steering system based on two-shaft power take-off of gearbox

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Application publication date: 20190917

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