CN114483829B - High-pressure cycloid rotor type high-viscosity oil medium retarder - Google Patents
High-pressure cycloid rotor type high-viscosity oil medium retarder Download PDFInfo
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- CN114483829B CN114483829B CN202210005567.2A CN202210005567A CN114483829B CN 114483829 B CN114483829 B CN 114483829B CN 202210005567 A CN202210005567 A CN 202210005567A CN 114483829 B CN114483829 B CN 114483829B
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- 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
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
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- 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
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
- F16D57/02—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders with blades or like members braked by the fluid
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a high-pressure cycloid rotor type high-viscosity oil medium retarder. The retarder power input shaft is connected with the transmission shaft of the gearbox by adopting an accelerating torque reducing gear, under the drive of the torque of the transmission shaft, the mechanical structure generates rotary motion in the retarder cavity, the pressure change drives the liquid in the cavity to circularly flow, the liquid is sucked by the oil suction cavity and is extruded out of the output cavity, the kinetic energy of the vehicle is converted into the pressure energy of a medium, the pressure energy is further converted into the heat energy of the medium, and finally, the vehicle braking force is generated, and the braking force is in direct proportion to the single-rotation pump quantity and the pressure difference of the oil inlet and outlet cavities, so that the vehicle retarding function is realized. The invention directly intervenes the transmission torque of the vehicle by hydraulic pressure, has higher reaction speed, compact and simple mechanical mechanism and small whole volume and weight.
Description
Technical Field
The invention relates to the technical field of hydraulic retarders, in particular to a high-pressure cycloid rotor type high-viscosity oil medium retarder.
Background
Urban road intersections are more, bus stops are dense, the passenger flow is large, and frequent braking is often carried out on buses; the mountain roads are steep and rapid, and the middle and large-sized truck buses running on the mountain road sections for a long time also often need to be braked. Under the condition of long-time frequent work, the brake can cause rapid abrasion of the brake shoe, short service life of the brake friction plate, and loss of braking force or great reduction of braking performance caused by heat decay of the brake, which also becomes a main cause of traffic accidents. Therefore, it is necessary to provide an auxiliary braking system.
The retarder is used as an auxiliary braking component of the vehicle, and acts on the transmission system of the original vehicle to lighten the load of the braking system of the original vehicle, so that the vehicle is uniformly decelerated, the reliability of the braking system of the vehicle is improved, the service life of the braking system is prolonged, and the use cost of the vehicle can be greatly reduced.
Currently, there are electric eddy current retarders and hydraulic retarders. The electric vortex retarder has large size, heavy body, large electric energy consumption and larger influence by the surrounding environment temperature. The hydrodynamic retarder has the advantages of large volume, relatively slow reaction speed, insufficient low-speed braking force and large no-load loss.
Disclosure of Invention
The input shaft of the retarder is in power connection with the transmission system of the vehicle, the energy of the power system is used for realizing self rotation, and in order to reasonably adjust the rotating speed on the input shaft to achieve the rotating speed of the retarder meeting the actual requirements, the output rotating speed of the gearbox of the power system can be transferred to the input shaft end of the retarder through conversion by adopting mechanisms such as a speed-increasing torque-reducing gear and the like.
Specifically, the retarder structure comprises an input shaft, a bearing, an oil seal, a shell component, a rotor component and a clearance control component; the shell assembly is provided with an oil inlet and an oil outlet for inputting and outputting oil, and further comprises a front shell, a middle shell and a rear shell 10 which are assembled from front to back in sequence and are detachably connected, wherein the rotor assembly of the middle shell and the rear shell 10 comprises an inner rotor and an outer rotor which are eccentrically arranged from inside to outside; the clearance control assembly comprises a floating disc and a floating disc sealing ring, and the outer diameter of the floating oil distribution disc is sealed with a small clearance of the shell cavity and can axially slide. The middle of one side of the floating disc shell is provided with a special-shaped sealing ring, the oil distribution disc is divided into a high pressure area and a low pressure area, the high pressure area is communicated with the output oil duct, the area of the high pressure area is ensured to be larger than that of the high pressure area at the other side of the oil distribution disc, when the rotor is braked, the floating oil distribution disc generates an acting force pushing to the end face of the rotor under the action of a high pressure medium, the gap between the oil distribution disc and the end face of the rotor is eliminated, the end face leakage is prevented, the output cavity generates higher pressure difference, and larger braking torque is generated; .
Preferably, the retarder further comprises a bearing for driving fit and an oil seal for sealing; the bearing and the oil seal are arranged on the left side of the front shell, and the input shaft penetrates through the bearing hole and the front shell from the left side of the front shell and stretches into the middle shell; an annular cavity is formed between the middle housing and the input shaft, and an outer rotor and an inner rotor are disposed in the annular cavity.
Preferably, the outer rotor sleeve is arranged at the outer side of the inner rotor, and the inner rotor is connected with the input shaft; the shape of the outer rotor is in the form of an inner gear, the shape of the inner rotor is in the form of an outer gear, and the rotation center of the outer rotor is different from that of the inner rotor.
Preferably, in the arrangement of the tooth-shaped structure, the number of the internal teeth of the outer rotor is one tooth more than the number of the external teeth of the inner rotor, the internal teeth and the external teeth are in a meshed state in the rotation process, and the eccentric rotation brings about the change of the size of the cavity in the working cavity along with the relative movement of the internal teeth and the external teeth, so that the volume change is realized, the volume change generates conveying pressure, high-viscosity oil is sucked from the oil inlet, and the high-pressure oil is output from the oil outlet after the oil pressure is increased.
Preferably, the invention utilizes the assembly of the front shell, the middle shell and the rear shell to form the whole shell, a cavity is formed in the shell, the inner rotor and the outer rotor rotate in the cavity, the volume change is formed by the arrangement of the eccentric structures of the inner rotor and the outer rotor, the oil is pressurized, the oil is discharged from the oil outlet on the rear shell, and the high-pressure oil is led out to the plate heat exchanger to realize the conversion of energy.
Preferably, the inner rotor and the input shaft are in interference fit or are integrally arranged; the outer rotor is centered by adopting an inner hole of the shell, and the outer rotor and the inner rotor are eccentrically arranged.
When the retarder moves in, oil enters from the oil inlet on the front shell, the oil acts on the floating disc at first, the corresponding sealing ring is arranged on the floating disc, the oil acts on the floating disc at the oil inlet to enable the floating disc to move towards the rotor direction, and then the end gap between the rotor and the shell is reduced, the oil pressure can be further controlled through the reduction of the end gap, and the effect of improving the mechanical efficiency is achieved.
When the vehicle needs to be retarded, the input shaft drives the inner rotor to rotate, the inner rotor is sucked by the oil suction cavity and pressed out of the output cavity, the kinetic energy of the vehicle is converted into pressure energy of a medium, the pressure energy is further converted into heat energy of the medium, and finally, the vehicle braking force is generated, and the braking force is in direct proportion to the single-rotation pump quantity and the pressure difference of the oil inlet and outlet cavities, so that the vehicle retarding function is realized.
Preferably, in the retarding effect, the pressure in the cavity can be regulated by regulating the area of the flow limiting hole of the oil duct in the cavity, so that the magnitude of the braking torque is further regulated.
When the vehicle does not need to be retarded, an electric pump is adopted to unload the system, and the high-viscosity oil in the working cavity is pumped out; the evacuation here means that only a small part of oil is reserved in the working cavity, so that the fact that no great oil flows in the system to generate a resistance moment when the speed is not required to be retarded is guaranteed, the vehicle power system can stably operate, and meanwhile the service life of the retarder is further guaranteed due to lubrication and heat dissipation of a small amount of oil.
In order to dissipate the heat energy converted from the mechanical energy during operation of the retarder into the air, a separate plate heat exchanger is preferably used for heat exchange with the engine cooling water.
The working medium is high-viscosity oil which has enough fluidity at low temperature, high-temperature viscosity, can seal an end gap of more than 0.08mm and an engagement gap, is high-temperature resistant, has proper flow resistance and is convenient for heat dissipation.
The mechanism may be mounted in a series or parallel arrangement after the gearbox.
The technical scheme of the invention has the following beneficial effects:
1. the cycloid rotor type layout mode is adopted to establish oil pressure, the whole structure is compact, the structural design and eccentric arrangement of the inner rotor and the outer rotor are utilized to realize the volume change of the working cavity, and then the oil pressure is established and is transmitted to the oil outlet.
2. In the working process, through the arrangement of the floating disc, the sealing structure and the like, oil entering from the oil inlet acts on the structure of the floating disc, the floating disc moves towards the rotor under the action of the oil, and then the end gap between the rotor and the shell is reduced, the further accurate control of the oil pressure is realized through the reduction of the end gap, and the improvement of the retarder efficiency is further controlled.
3. The pressure in the cavity is regulated by regulating the area of the flow limiting hole of the oil duct in the cavity, so that the magnitude of the braking torque is regulated. The adjustment of the gap of the matched end and the adjustment of the area of the limiting hole of the oil duct in the cavity and the adjustment of the gap of the floating disc end realize the multistage and accurate adjustment of the oil pressure.
4. When the retarder is not required to work, most of media in the working cavity are pumped out by arranging the auxiliary pump, so that a certain lubrication effect can be ensured, and a retarding braking function is shielded.
Drawings
FIG. 1 is a schematic diagram of a retarder hydraulic system according to the present invention;
FIG. 2 is an assembly view of the high pressure gerotor high viscosity oil media retarder of the present invention;
FIG. 3 is a schematic cross-sectional view of the gerotor structure of the present invention;
FIG. 4 is a side view of the high pressure gerotor high viscosity oil media retarder configuration of the present invention;
FIG. 5 is a schematic view of a rotor structure according to the present invention;
FIG. 6 is a side cross-sectional view of a mass retarder structure of the present invention;
fig. 7 is a diagram of a floating disc structure.
In the figure: 1. the device comprises an input shaft, 2, a bearing, 3, an oil seal, 4, a front shell, 5, a floating disc sealing ring, 6, a floating disc, 7, an inner rotor, 8, an outer rotor, 9, a middle shell, 10, a rear shell, 11, a radiator, 12, an adjusting bolt, 13, an inner meshing rotor mechanism, 14, an outlet pressure sensor, 15, an outlet temperature sensor, 16, an overflow valve, 17, an outlet check valve, 18, a flow control valve, 19, a pilot overflow valve, 20, a filter screen, 21, a filter screen protection valve, 22, an oil inlet check valve, 23, an unloading valve, 24, an oil storage expansion tank, 25, an electric pump safety valve, 26, an electric pump, 27, an electric pump oil inlet control valve, 28, an electric pump pressure sensor, 29, an oil supplementing ventilation valve, 30 and a retarder control valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the figure: 1. input shaft, 2, bearing, 3, oil seal, 4, front shell, 5, floating disc sealing ring, 6, floating disc, 7, inner rotor, 8, outer rotor, 9, middle shell, 10, rear shell, 11, radiator, 12, adjusting bolt, 13, inner engaged rotor mechanism
Example 1:
as shown, the input shaft 1 is in power connection with a vehicle driveline; the self rotation is realized by the energy of the power system, and in order to reasonably adjust the rotation speed on the input shaft 1 to achieve the rotation speed of the retarder meeting the actual requirements, mechanisms such as a speed-increasing torque-reducing gear and the like can be adopted to transfer the output rotation speed of the gearbox of the power system to the input shaft 1 end of the retarder after conversion;
the retarder structure comprises an input shaft 1, a bearing 2, an oil seal 3, a shell component, a rotor component and a clearance control component; the shell component is provided with an oil inlet and an oil outlet for inputting and outputting oil, and further comprises a front shell 4, a middle shell 9 and a rear shell 10 which are assembled and detachably connected from front to back in sequence; the rotor assembly comprises an inner rotor 7 and an outer rotor 8 which are eccentrically arranged from the inside to the outside; the clearance control assembly includes a floating disc 6 and a floating disc seal ring 5.
The retarder further comprises a bearing 2 for transmission fit and an oil seal 3 for sealing; the bearing 2 and the oil seal 3 are arranged on the left side of the front shell 4, and the input shaft 1 penetrates through the bearing hole and the front shell 4 from the left side of the front shell 4 and stretches into the middle shell 9; an annular cavity is formed between the middle housing 9 and the input shaft 1, and an outer rotor 8 and an inner rotor 7 are arranged in the annular cavity; wherein the outer rotor 8 is sleeved outside the inner rotor 7, and the inner rotor 7 is connected with the input shaft 1; the shape of the outer rotor 8 is in the form of an inner gear, the shape of the inner rotor 7 is in the form of an outer gear, and the rotation centers of the outer rotor 8 and the inner rotor 7 are different;
further, from the arrangement of the tooth-shaped structure, the number of the inner teeth of the outer rotor 8 is one tooth more than that of the outer teeth of the inner rotor 7, the inner teeth and the outer teeth are in a meshed state in the rotation process, and the inner teeth and the outer teeth move relatively, so that the eccentric rotation causes the change of the size of the cavity in the working cavity, the volume change is realized, the conveying pressure is generated by the volume change, the high-viscosity oil is sucked from the oil inlet, and the high-pressure oil is output from the oil outlet after the oil pressure is increased.
The front shell 4, the middle shell 9 and the rear shell 10 are assembled to form the whole shell, a cavity is formed in the shell, the inner rotor 7 and the outer rotor 8 rotate in the cavity, volume change is formed through the arrangement of the eccentric structures of the inner rotor 7 and the outer rotor, oil is pressurized, the oil is discharged from an oil outlet on the rear shell 9, and high-pressure oil is led out to the plate radiator 10 to realize energy conversion.
When the retarder moves in, oil enters from the oil inlet on the front shell 4, the oil acts on the floating disc 6 at first, the structure of the floating disc 6 is shown in the figure, the oil acts on the floating disc 6 at the oil inlet to enable the floating disc 6 to move towards the rotor direction, and then the end gap between the rotor and the shell is reduced, the oil pressure can be further controlled through the reduction of the end gap, and the effect of improving the mechanical efficiency is achieved.
When the vehicle needs to be retarded, the input shaft 1 drives the inner rotor 7 to rotate, and the stirring high-viscosity oil generates larger resistance in the cavity of the outer rotor 8 and moves in the loop through the oil duct, so that braking torque is generated. In the process, the pressure in the cavity can be regulated by regulating the area of the flow limiting hole of the oil duct in the cavity, so that the regulation of the braking torque is further realized.
When the vehicle does not need to be retarded, the system is unloaded by the electric pump 26 and the high viscosity oil in the working chamber is evacuated; the evacuation here means that only a small part of oil is reserved in the working cavity, so that the fact that no great oil flows in the system to generate a resistance moment when the speed is not required to be retarded is guaranteed, the vehicle power system can stably operate, and meanwhile the service life of the retarder is further guaranteed due to lubrication and heat dissipation of a small amount of oil.
In order to dissipate the heat energy converted from the mechanical energy during operation of the retarder into the air, a separate plate heat exchanger is preferably used for heat exchange with the engine cooling water.
The working medium is high-viscosity oil which has enough fluidity at low temperature, high-temperature viscosity, can seal an end gap of more than 0.08mm and an engagement gap, is high-temperature resistant, has proper flow resistance and is convenient for heat dissipation.
The mechanism may be mounted in a series or parallel arrangement after the gearbox.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. A planetary wheel type high-viscosity oil medium high-pressure retarder comprises an input shaft, a shell assembly, a rotor assembly and a clearance control assembly; the method is characterized in that:
the shell component is provided with an oil inlet and an oil outlet for inputting and outputting oil, and further comprises a front shell, a middle shell and a rear shell which are assembled from front to back in sequence and are detachably connected; the rotor assembly comprises a gear ring, a planet wheel and a sun wheel; the clearance control assembly at least comprises a front oil distribution disc and a front oil distribution disc sealing ring which are connected in a sealing way and are arranged between the front shell and the rotor assembly; the outer diameter of the oil distribution disc is sealed with the cavity of the shell by a small gap and can axially slide; the oil distribution disc and one side of the end face of the shell are provided with a special-shaped sealing ring for separating two areas, namely a high-pressure area communicated with the output cavity and the high-pressure cavity and a low-pressure area communicated with the oil inlet channel; the area of the high-pressure area is larger than that of the high-pressure area at the other side of the oil distribution disc, so that a force acting on the front oil distribution disc to push the end face of the rotor can be generated when the rotor brakes; the front shell, the middle shell and the rear shell are spliced to form a whole shell, a cavity with a certain shape is formed in the shell, the rotor assembly is matched in the cavity through gear engagement and a gear train to operate, and high-viscosity oil medium is sucked into the oil inlet cavity and is pressed into the oil outlet cavity; the oil distribution disc is provided with a front oil distribution disc, and a fixed oil distribution disc or a floating oil distribution disc is adopted at the rear; the front oil distribution disc is an axial floating oil distribution disc, the areas of high-pressure areas on two sides of the rear oil distribution disc are equal, and only when the rotor pushes the rotor in the front oil distribution disc, the rotor pushes the rear oil distribution disc, and the rear oil distribution disc can finely swing, so that the accuracy of jumping of the end face of the shell is reduced;
the retarder further comprises a bearing for transmission fit and an oil seal for sealing;
the bearing and the oil seal are arranged on the left side of the front shell, and the input shaft penetrates through the bearing hole and the front shell from the left side of the front shell and stretches into the middle shell; an annular cavity is formed between the middle shell and the input shaft, and a gear ring, a planet wheel and a sun wheel are arranged in the annular cavity;
the gear ring is an internal gear, and the sun gear is an external gear; the input shaft drives the sun gear to operate, the sun gear drives the planet gears to revolve, the planet gears drive the gear rings to rotate, and in the rotating process, all groups of gears are in a meshed state;
the clearance control assembly also includes a rear oil distribution pan structure.
2. A planetary high viscosity oil medium high pressure retarder according to claim 1, wherein: the bearing is a tapered roller bearing.
3. A vehicle, characterized in that it uses a planetary high-viscosity oil medium high-pressure retarder according to any of claims 1-2.
4. A control method of a planetary high-viscosity oil medium high-pressure retarder according to claim 1, characterized in that:
when the vehicle needs to be retarded, the input shaft drives the sun wheel to operate, the sun wheel drives the planet wheel to revolve, the planet wheel drives the gear ring to rotate, and in the rotating process, all groups of gears are in a meshed state, and the size of the inner volume of a cavity is formed along with the extrusion fit between the planet wheel, the sun wheel and the gear ring, so that an oil inlet cavity and an oil outlet cavity are formed, pressure is generated, high-viscosity oil is sucked from the oil inlet, high-pressure oil is output from the oil outlet after the oil pressure is improved, larger resistance is generated in the cavity, and the planet wheel moves in a loop through an oil duct, so that braking torque is generated.
5. A method of controlling a retarder according to claim 4, characterized in that: in the operation process of the retarder, the pressure in the cavity is adjusted by adjusting the area of the flow limiting hole of the oil duct in the cavity, and further the adjustment of the braking torque is realized.
6. A method of controlling a retarder according to claim 4, characterized in that: and when the vehicle does not need to be retarded, unloading the system by adopting an unloading pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210005567.2A CN114483829B (en) | 2022-01-05 | 2022-01-05 | High-pressure cycloid rotor type high-viscosity oil medium retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210005567.2A CN114483829B (en) | 2022-01-05 | 2022-01-05 | High-pressure cycloid rotor type high-viscosity oil medium retarder |
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| CN114483829A CN114483829A (en) | 2022-05-13 |
| CN114483829B true CN114483829B (en) | 2023-07-04 |
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| CN202210005567.2A Active CN114483829B (en) | 2022-01-05 | 2022-01-05 | High-pressure cycloid rotor type high-viscosity oil medium retarder |
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Citations (12)
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|---|---|---|---|---|
| NL7004945A (en) * | 1969-04-14 | 1970-10-16 | ||
| US4827798A (en) * | 1987-06-04 | 1989-05-09 | Anchor Tech., Inc. | Apparatus and method for exerting a braking torque upon a vehicle |
| DE10233986A1 (en) * | 2002-07-25 | 2004-02-19 | Voith Turbo Gmbh & Co. Kg | Hydrodynamic machine, as a retarder or coupling or torque converter, measures the oil viscosity and other torque transmission parameters to determine the optimum time for an oil change |
| KR20090041348A (en) * | 2007-10-23 | 2009-04-28 | 가부시키가이샤 니프코 | Damper |
| CN105422690A (en) * | 2015-11-30 | 2016-03-23 | 陕西航天动力高科技股份有限公司 | Independent retarder in front of box |
| CN105443615A (en) * | 2015-12-18 | 2016-03-30 | 陕西航天动力高科技股份有限公司 | Gearbox-front retarder with wet type clutch |
| CN105673735A (en) * | 2016-03-01 | 2016-06-15 | 宁波华盛联合制动科技有限公司 | Oil seal lubricating structure of hydrodynamic retarder |
| CN106194585A (en) * | 2016-08-30 | 2016-12-07 | 北京福威斯油气技术有限公司 | A kind of vertical axis silicone oil retarding device and apply its wind-driven generator |
| CN206035719U (en) * | 2016-08-30 | 2017-03-22 | 北京福威斯油气技术有限公司 | Vertical axis silicon oil retarder and use its aerogenerator |
| CN108468730A (en) * | 2018-05-07 | 2018-08-31 | 合肥工业大学 | A kind of Retarder transmission controlling mechanism |
| CN111043186A (en) * | 2020-02-22 | 2020-04-21 | 富奥汽车零部件股份有限公司 | Pump type magnetorheological fluid retarder |
| CN212643366U (en) * | 2020-02-22 | 2021-03-02 | 富奥汽车零部件股份有限公司 | Pump type magnetorheological fluid retarder |
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2022
- 2022-01-05 CN CN202210005567.2A patent/CN114483829B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7004945A (en) * | 1969-04-14 | 1970-10-16 | ||
| US4827798A (en) * | 1987-06-04 | 1989-05-09 | Anchor Tech., Inc. | Apparatus and method for exerting a braking torque upon a vehicle |
| DE10233986A1 (en) * | 2002-07-25 | 2004-02-19 | Voith Turbo Gmbh & Co. Kg | Hydrodynamic machine, as a retarder or coupling or torque converter, measures the oil viscosity and other torque transmission parameters to determine the optimum time for an oil change |
| KR20090041348A (en) * | 2007-10-23 | 2009-04-28 | 가부시키가이샤 니프코 | Damper |
| CN105422690A (en) * | 2015-11-30 | 2016-03-23 | 陕西航天动力高科技股份有限公司 | Independent retarder in front of box |
| CN105443615A (en) * | 2015-12-18 | 2016-03-30 | 陕西航天动力高科技股份有限公司 | Gearbox-front retarder with wet type clutch |
| CN105673735A (en) * | 2016-03-01 | 2016-06-15 | 宁波华盛联合制动科技有限公司 | Oil seal lubricating structure of hydrodynamic retarder |
| CN106194585A (en) * | 2016-08-30 | 2016-12-07 | 北京福威斯油气技术有限公司 | A kind of vertical axis silicone oil retarding device and apply its wind-driven generator |
| CN206035719U (en) * | 2016-08-30 | 2017-03-22 | 北京福威斯油气技术有限公司 | Vertical axis silicon oil retarder and use its aerogenerator |
| CN108468730A (en) * | 2018-05-07 | 2018-08-31 | 合肥工业大学 | A kind of Retarder transmission controlling mechanism |
| CN111043186A (en) * | 2020-02-22 | 2020-04-21 | 富奥汽车零部件股份有限公司 | Pump type magnetorheological fluid retarder |
| CN212643366U (en) * | 2020-02-22 | 2021-03-02 | 富奥汽车零部件股份有限公司 | Pump type magnetorheological fluid retarder |
| WO2021164090A1 (en) * | 2020-02-22 | 2021-08-26 | 富奥汽车零部件股份有限公司 | Pump-type magnetorheological fluid retarder |
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| Publication number | Publication date |
|---|---|
| CN114483829A (en) | 2022-05-13 |
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