CN105756763B - A kind of cooling system of vehicle and its control method, the vehicle equipped with the system - Google Patents
A kind of cooling system of vehicle and its control method, the vehicle equipped with the system Download PDFInfo
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- CN105756763B CN105756763B CN201610144876.2A CN201610144876A CN105756763B CN 105756763 B CN105756763 B CN 105756763B CN 201610144876 A CN201610144876 A CN 201610144876A CN 105756763 B CN105756763 B CN 105756763B
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- retarder
- water
- engine
- vehicle
- cooling
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/028—Cooling cylinders and cylinder heads in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D2065/783—Features relating to cooling cooling control or adjustment
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The present invention relates to cooling system of vehicle technical field more particularly to a kind of cooling system of vehicle and its control method, equipped with the vehicle of the system.Cooling system of vehicle includes water pump, radiator, engine water jacket and Retarder, radiator, water pump and engine water jacket are connected in series to form cooling circuit, the cooling water channel of Retarder is connected in parallel with engine water jacket, regulating valve is equipped between water pump and Retarder and engine water jacket, for adjusting the water for being passed through Retarder and engine water jacket by water pump.The present invention improves the cooling capacity of cooling system of vehicle, further increases the brake efficiency of Retarder.
Description
Technical field
The present invention relates to cooling system of vehicle technical field more particularly to a kind of cooling system of vehicle and its control method,
Vehicle equipped with the system.
Background technology
As a kind of auxiliary braking means, the application on heavy type commercial vehicle just gradually increases Retarder.Equipment
During lower long slope, by using Retarder, making for service brake can be greatly decreased in the vehicle of Retarder
With ensureing that service brake remains good state, so that it is guaranteed that traffic safety.By the cooling for drawing engine-cooling system
Water takes away the heat in Retarder, and for Retarder, slow ability is limited by cooling capacity, as long as
Cooling system provides enough cooling capacities, and slow ability is unlimited.
Existing Retarder cooling generally use and engine cool water route series system, by the heat of Retarder
After exchanger is connected on engine water outlet.Concatenated mode there are problems that, be mainly manifested in：(1) work as Retarder
When not working, the coolant liquid of engine will also flow through Retarder heat exchanger, virtually increase the resistance in water route, drop
Low water velocity, has certain influence to the cooling capacity of engine itself；(2) when Retarder works, although coolant liquid
Retarder heat exchanger can be all flowed through, but by engine itself water route drag effects, coolant liquid speed can reduce, cold
Ineffective.
Invention content
(1) technical problems to be solved
The technical problem to be solved by the present invention is to solve the problems, such as that Retarder braking effect is bad in the prior art.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of cooling system of vehicle, including water pump, radiator, hair
Motivation water jacket and Retarder, the radiator, water pump and engine water jacket are connected in series to form cooling circuit, the fluid power
The cooling water channel of retarder is connected in parallel with the engine water jacket, the water pump and the Retarder and engine water jacket
Between be equipped with regulating valve, for adjusting the water for being passed through the Retarder and engine water jacket by the water pump.
According to the present invention, the cooling system of vehicle further includes control module, and the control module includes for receiving
The signal receiving end that Retarder is turned on and off signal and engine rotational speed signal is stated, and is used for emission control institute
State the signal transmitting terminal of control valve opening.
According to the present invention, the outlet of the Retarder cooling water channel is equipped with water temperature sensor, the control module root
The shift of the Retarder is controlled according to the temperature signal of the water temperature sensor received.
According to the present invention, the cooling system of vehicle further includes fan, and the fan is set to the side of the radiator,
For accelerating the air on the radiator periphery to flow.
According to the present invention, the regulating valve is three-way magnetic valve.
According to the present invention, the cooling system of vehicle further includes thermostat, and the water inlet end of the thermostat is connected to the hair
Motivation water jacket, the water outlet of the thermostat include main valve and bypath valve, the main valve be connected to the radiator into
Water end (W.E.), the bypath valve are connected to the water outlet of the radiator.
The present invention also provides the control methods of above-mentioned cooling system of vehicle, include the following steps：
S1 calculates separately the minimum water flow that the engine needs when engine different rotating speeds towing astern operating mode, and draws
Minimum water flow is corresponding with the control valve opening needed for the engine when engine different rotating speeds towing astern operating mode closes
Family tree；
S2, when the vehicle is decelerating, the Retarder are opened, and the control module detects that the Retarder is opened
Qi Shi, the control module control the aperture of the regulating valve according to the correspondence spectrogram obtained in S1, with the engine
The part coolant liquid of required minimum water flow equivalent flows to the normal work that the engine water jacket ensures the engine, remaining
Coolant liquid flow to the Retarder, coolant liquid cools down after the Retarder and engine through the radiator heat-dissipation
After flow back to the water pump；
S3, when normal vehicle operation, the Retarder is closed, and the control module detects the hydrodynamic retarding
When device does not work, the aperture for controlling the regulating valve makes coolant liquid only flow to the engine water jacket, to the engine into
Row cooling.
Further include step according to the present invention：When the control module detects that the Retarder is opened, institute is controlled
Fan full-speed operation is stated, cooling effect is increased.
Further include step according to the present invention：When the water temperature that the cooling water channel water outlet of the Retarder is arranged
When sensor detects that water temperature is more than set temperature, the control module, which controls the Retarder, reduces gear.
The present invention also provides a kind of vehicles, including above-mentioned cooling system of vehicle.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has the following advantages that compared with prior art：The hydrodynamic retarding of the embodiment of the present invention
The cooling water channel of device is in parallel with engine water jacket, passes through the adjusting being set between water pump and Retarder and engine water jacket
Valve can adjust the water flow for flowing to Retarder and engine water jacket respectively, Retarder during normal vehicle operation
Device does not work, and regulating valve makes cooling water only flow to engine without flowing to Retarder, to reduce by water pump at this time
The resistance on vehicle cooling water road, improves water velocity, increases cooling capacity；And when Retarder works, it is most of
Coolant liquid flow directly into Retarder, flow back to water pump through radiator after cooling liquid cooling fluid power retarder, reduce vehicle
The circulation resistance of cooling system cooling water, improves the cooling capacity of system, further reaches and promotes Retarder braking
The effect of efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of cooling system of vehicle of the embodiment of the present invention.
In figure：101：Engine；1：Water pump；2：Cylinder head jacket；3：Block jacket；4：Retarder；5：Heat dissipation
Device；6：Regulating valve；7：Control module；8：Fan；9：Thermostat；10：Retarder switchs；11：Water temperature sensor.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of cooling system of vehicle provided in an embodiment of the present invention, including water pump 1, radiator 5, engine
Water jacket and Retarder 4, radiator 5, water pump 1 and engine water jacket are connected in series to form cooling circuit, specifically, engine
Water jacket includes concatenated cylinder head jacket 2 and block jacket 3, and the cooling water channel of Retarder 4 is in parallel with engine water jacket
Connection is equipped with regulating valve 6 between water pump 1 and Retarder 4 and engine water jacket, being passed through fluid power by water pump 1 for adjusting delays
The water of fast device 4 and engine water jacket, specifically, regulating valve 6 can be three-way magnetic valve, two outlets point of three-way magnetic valve
Not Lian Jie Retarder 4 and engine water jacket, by control three-way magnetic valve two export aperture control water pump 1 flow to respectively
The water flow of Retarder 4 and engine water jacket can also be between water pump 1 and Retarder 4 and engine water jacket
Connecting line on a two-port valve is respectively set, two two-port valves control water pump 1 and flow to Retarder 4 and engine respectively
The water flow of water jacket.The cooling water channel of the Retarder 4 of the embodiment of the present invention is in parallel with engine water jacket, by being set to water
Pump 1 and the regulating valve 6 between Retarder 4 and engine water jacket can adjust and flow to Retarder 4 and engine respectively
The water flow of water jacket, Retarder 4 does not work during normal vehicle operation, at this time regulating valve 6 so that cooling water only by water
Pump 1 flows to engine water jacket without flowing to Retarder 4, to reduce the resistance on vehicle cooling water road, improves flow
Speed increases cooling capacity；And when Retarder 4 works, water pump 1 is located with Retarder 4 and engine water jacket
Most coolant liquid is set to flow directly into liquid in the case where ensureing 101 minimum cooling water flow of engine in connected state
Power retarder 4 flows back to water pump 1 through radiator 5 after cooling liquid cooling fluid power retarder 4, reduces cooling system of vehicle cooling water
Circulation resistance, improve the cooling capacity of system, further achieve the effect that promoted 4 brake efficiency of Retarder.
Further, cooling system of vehicle further includes control module 7, and control module 7 includes for receiving Retarder
Switch 10 is turned on and off the signal receiving end of 101 tach signal of signal and engine, and is opened for emission control regulating valve 6
The signal transmitting terminal of degree.Specifically, when the vehicle is decelerating, Retarder 4 is opened, and control module 7 detects Retarder 4
When unlatching, control module 7 is according to minimum water flow needed for engine 101 when 101 different rotating speeds towing astern operating mode of engine and adjusting
The correspondence of 6 aperture of valve controls to adjust the aperture of valve 6, the part coolant liquid with minimum water flow equivalent needed for engine 101
The normal work that engine water jacket ensures engine 101 is flowed to, remaining coolant liquid flows to Retarder 4, coolant liquid cooling
After Retarder 4 and engine 101 water pump 1 is flowed back to after the heat dissipation of radiator 5；When normal vehicle operation, Retarder 4
It closes, control module 7 detects the aperture that regulating valve 6 is controlled when Retarder 4 does not work so that coolant liquid, which only flows to, starts
Machine water jacket, cools down engine.Control module 7 is set, standard is carried out to the flow direction of the cooling water of cooling system of vehicle and distribution
Really control, improve cooling system of the embodiment of the present invention automatically controls degree, it is ensured that cooling system of vehicle is realized best
Cooling effect improves the brake efficiency of Retarder 4 as much as possible under the premise of ensureing that engine 101 works normally.
Further, the outlet of 4 cooling water channel of Retarder is equipped with water temperature sensor 11, and control module 7 is according to reception
The shift of the temperature signal control Retarder 4 of the water temperature sensor 11 arrived.When the cooling water channel water outlet of Retarder 4
When the water temperature sensor 11 of setting detects that water temperature is more than set temperature, control module 7, which controls Retarder 4, reduces gear,
Further, water temperature sensor 11 is also associated with buzzer siren, when water temperature is more than set temperature, can trigger buzzing alarm
Device, to remind driver to take relevant action.
Further, cooling system of vehicle further includes fan 8, and fan 8 is set to the side of radiator 5, is dissipated for accelerating
The air on 5 periphery of hot device flows.When control module 7 detects that Retarder 4 is opened, 8 full-speed operation of fan is controlled, is increased
Cooling effect further improves the brake efficiency of Retarder 4.
Further, cooling system of vehicle further includes thermostat 9, and the water inlet end of thermostat 9 is connected to engine water jacket, section temperature
The water outlet of device 9 includes main valve and bypath valve, and main valve is connected to the water inlet end of radiator 5, and bypath valve is connected to radiator 5
Water outlet.The coolant liquid flowed out from the water outlet of engine water jacket flows into thermostat 9, and the temperature of coolant liquid is judged by thermostat 9
Whether degree reaches set temperature, if not up to set temperature, thermostat opens bypath valve, and coolant liquid is straight through bypath valve
It connects and flows into water pump 1；If reaching set temperature, thermostat opens main valve, and coolant liquid flows into radiator 5 through main valve and cools down
Flow back to water pump 1 again afterwards.
The embodiment of the present invention additionally provides a kind of control method of above-mentioned cooling system of vehicle, includes the following steps：
S1, the minimum water flow that engine 101 needs when calculating separately 101 different rotating speeds towing astern operating mode of engine, and paint
The correspondence of minimum water flow and 6 aperture of regulating valve needed for engine 101 is composed when 101 different rotating speeds towing astern operating mode of engine processed
Figure；
S2, when the vehicle is decelerating, Retarder 4 are opened, when control module 7 detects that Retarder 4 is opened, control
Module 7 controls to adjust the aperture of valve 6 according to the correspondence spectrogram obtained in S1, with minimum water flow etc. needed for engine 101
The part coolant liquid of amount flows to the normal work that engine water jacket ensures engine 101, remaining coolant liquid flows to hydrodynamic retarding
Device 4 flows back to water pump 1 after cooling down liquid cooling fluid power retarder 4 and engine 101 after the heat dissipation of radiator 5；Specifically, this implementation
In example, when control module 7 detects that Retarder 4 is opened, 8 full-speed operation of fan is controlled, increases cooling effect；Work as fluid power
When the water temperature sensor 11 of the cooling water channel water outlet setting of retarder 4 detects that water temperature is more than set temperature, control module 7 is controlled
Retarder 4 processed reduces gear.
S3, when normal vehicle operation, Retarder 4 is closed, and control module 7 detects that Retarder 4 does not work
When, the aperture for controlling to adjust valve 6 makes coolant liquid only flow to engine water jacket, is cooled down to engine 101.
The embodiment of the present invention additionally provides a kind of vehicle, including above-mentioned cooling system of vehicle.
In conclusion the cooling water channel of the Retarder 4 of the embodiment of the present invention is in parallel with engine water jacket, pass through setting
Regulating valve 6 between water pump 1 and Retarder 4 and engine water jacket can be adjusted respectively flows to Retarder 4 and hair
The water flow of motivation water jacket, Retarder 4 does not work during normal vehicle operation, at this time regulating valve 6 so that cooling water only
Engine water jacket is flowed to without flowing to Retarder 4 by water pump 1, to reduce the resistance on vehicle cooling water road, is improved
Water velocity increases cooling capacity；And when Retarder 4 works, water pump 1 and Retarder 4 and engine water jacket
It is in connected state, in the case where ensureing 101 minimum cooling water flow of engine, most coolant liquid is made directly to flow
To Retarder 4, water pump 1 is flowed back to through radiator 5 after cooling liquid cooling fluid power retarder 4, it is cold to reduce cooling system of vehicle
But the circulation resistance of water, improves the cooling capacity of system, further achievees the effect that promote 4 brake efficiency of Retarder.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (5)
1. a kind of control method of cooling system of vehicle, including cooling system of vehicle, the cooling system of vehicle includes water pump, dissipates
Hot device, engine water jacket, Retarder and control module, the radiator, water pump and engine water jacket are connected in series to form
Cooling circuit, the cooling water channel of the Retarder are connected in parallel with the engine water jacket, the water pump and the fluid power
It is equipped with regulating valve between retarder and engine water jacket, the Retarder and engine are passed through by the water pump for adjusting
The water of water jacket；The control module includes that the Retarder is turned on and off signal and engine turns for receiving
The signal receiving end of fast signal, and the signal transmitting terminal for control valve opening described in emission control；It is characterised in that it includes
Following steps：
S1 calculates separately the minimum water flow that the engine needs when engine different rotating speeds towing astern operating mode, and described in drafting
Minimum water flow and the correspondence of the control valve opening needed for the engine are composed when engine different rotating speeds towing astern operating mode
Figure；
S2, when the vehicle is decelerating, the Retarder are opened, and the control module detects that the Retarder is opened
When, the control module controls the aperture of the regulating valve according to the correspondence spectrogram obtained in S1, with the engine institute
The part coolant liquid of minimum water flow equivalent is needed to flow to the normal work that the engine water jacket ensures the engine, remaining
Coolant liquid flows to the Retarder, and coolant liquid cools down after the Retarder and engine after the radiator heat-dissipation
Flow back to the water pump；
S3, when normal vehicle operation, the Retarder is closed, and the control module detects the Retarder not
When work, the aperture for controlling the regulating valve makes coolant liquid only flow to the engine water jacket, is carried out to the engine cold
But.
2. the control method of cooling system of vehicle according to claim 1, which is characterized in that the cooling system of vehicle is also
Including fan, the fan is set to the side of the radiator, for accelerating the air on the radiator periphery to flow；Also wrap
Include step：When the control module detects that the Retarder is opened, the fan full-speed operation is controlled, increases cooling
Effect.
3. the control method of cooling system of vehicle according to claim 1, which is characterized in that the Retarder cooling
The outlet in water route is equipped with water temperature sensor, and the control module is controlled according to the temperature signal of the water temperature sensor received
The shift of the Retarder；It further include step：When the water that the cooling water channel water outlet of the Retarder is arranged
When temperature sensor detects that water temperature is more than set temperature, the control module, which controls the Retarder, reduces gear.
4. the control method of cooling system of vehicle according to claim 1, which is characterized in that the regulating valve is three energizations
Magnet valve.
5. the control method of cooling system of vehicle according to claim 1, which is characterized in that the cooling system of vehicle is also
Including thermostat, the water inlet end of the thermostat is connected to the engine water jacket, and the water outlet of the thermostat includes main valve
And bypath valve, the main valve are connected to the water inlet end of the radiator, the bypath valve is connected to the water outlet of the radiator
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144876.2A CN105756763B (en) | 2016-03-14 | 2016-03-14 | A kind of cooling system of vehicle and its control method, the vehicle equipped with the system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610144876.2A CN105756763B (en) | 2016-03-14 | 2016-03-14 | A kind of cooling system of vehicle and its control method, the vehicle equipped with the system |
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| CN105756763A CN105756763A (en) | 2016-07-13 |
| CN105756763B true CN105756763B (en) | 2018-10-16 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438768A (en) * | 2016-08-26 | 2017-02-22 | 中国第汽车股份有限公司 | Electric control temperature regulator for hydraulic retarder |
| CN106285907A (en) * | 2016-10-19 | 2017-01-04 | 潍柴动力股份有限公司 | The control method of a kind of engine temperature, Apparatus and system |
| CN107989935B (en) * | 2017-12-28 | 2024-02-06 | 吉林大学 | Parallel heat dissipation device for aqueous medium retarder and control method |
| CN108331653B (en) * | 2018-03-07 | 2024-01-23 | 徐州徐工矿业机械有限公司 | Power transmission staged cooling system for engineering machinery and hinged dumper thereof |
| CN108869589A (en) * | 2018-05-29 | 2018-11-23 | 三都苍泰科技有限公司 | A kind of Retarder cooling system |
| CN114435322B (en) * | 2022-02-28 | 2023-01-31 | 东风华神汽车有限公司 | Commercial vehicle slow braking control method, device, equipment and storage medium |
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| EP0972916A2 (en) * | 1998-07-16 | 2000-01-19 | MAN Nutzfahrzeuge Aktiengesellschaft | Drive system in a motor vehicle |
| CN1826458A (en) * | 2003-07-19 | 2006-08-30 | 沃伊斯涡轮机有限两合公司 | Motor vehicle coolant circuit comprising a pump and a retarder |
| DE102005013075A1 (en) * | 2005-03-18 | 2006-09-21 | Voith Turbo Gmbh & Co. Kg | Cooling circuit with a hydrodynamic brake |
| CN102387948A (en) * | 2009-04-09 | 2012-03-21 | 沃依特专利有限责任公司 | Method for preventing pressure peaks in a working medium cycle having a hydrodynamic machine |
| CN104669998A (en) * | 2015-03-16 | 2015-06-03 | 山东交通学院 | Hybrid electric vehicle based on hydraulic retarder and control method thereof |
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2016
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|---|---|---|---|---|
| EP0972916A2 (en) * | 1998-07-16 | 2000-01-19 | MAN Nutzfahrzeuge Aktiengesellschaft | Drive system in a motor vehicle |
| CN1826458A (en) * | 2003-07-19 | 2006-08-30 | 沃伊斯涡轮机有限两合公司 | Motor vehicle coolant circuit comprising a pump and a retarder |
| DE102005013075A1 (en) * | 2005-03-18 | 2006-09-21 | Voith Turbo Gmbh & Co. Kg | Cooling circuit with a hydrodynamic brake |
| CN102387948A (en) * | 2009-04-09 | 2012-03-21 | 沃依特专利有限责任公司 | Method for preventing pressure peaks in a working medium cycle having a hydrodynamic machine |
| CN104669998A (en) * | 2015-03-16 | 2015-06-03 | 山东交通学院 | Hybrid electric vehicle based on hydraulic retarder and control method thereof |
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| CN105756763A (en) | 2016-07-13 |
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