CN114810869B - Hydraulic retarber oil storage chamber structure - Google Patents
Hydraulic retarber oil storage chamber structure Download PDFInfo
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- CN114810869B CN114810869B CN202210240010.7A CN202210240010A CN114810869B CN 114810869 B CN114810869 B CN 114810869B CN 202210240010 A CN202210240010 A CN 202210240010A CN 114810869 B CN114810869 B CN 114810869B
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- oil
- storage cavity
- oil storage
- shell
- cavity
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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
- F16D65/00—Parts or details
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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
Abstract
The invention discloses an oil storage cavity structure of a hydraulic retarder, which is arranged in a cavity formed by a shell assembly and a rear cover assembly of the hydraulic retarder and is divided into a shell side oil storage cavity and a rear cover side oil storage cavity; an oil filling port is integrally formed at the top of the shell side oil storage cavity, an exhaust valve is integrated in the oil filling port, and the exhaust valve is communicated with the shell side oil storage cavity; the oil storage cavity at the side of the shell is sequentially divided into an oil-gas separation expansion cavity, an oil storage cavity at the middle part of the shell and an oil storage cavity at the bottom of the shell from top to bottom; the top of the oil-gas separation expansion cavity is communicated with the exhaust valve through a backflow oil duct. A shell grid plate area is arranged at the top of the shell side oil storage cavity, and a plurality of transverse baffles which are arranged in a left-right staggered manner are arranged in the shell grid plate area; the top of the oil storage cavity at the rear cover side is provided with a rear cover grating area, and a plurality of inclined partition plates which are arranged in a left-right staggered manner are arranged in the rear cover grating area. The invention can ensure that the retarder can normally operate under the minimum volume of the retarder oil cavity, and oil injection and oil leakage phenomena do not occur during working.
Description
Technical Field
The invention belongs to the technical field of hydraulic retarders, and particularly relates to an oil storage cavity structure of a hydraulic retarder, which uses medium in all retarders.
Background
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.
The hydraulic retarder is applied to a commercial vehicle braking auxiliary system, is arranged on the outer side of a vehicle gearbox or a vehicle frame, and a rotor is connected with a rotating shaft through a gear. When the magnetic rheological fluid pump works, the magnetorheological fluid is controlled to fill a working cavity between the rotor and the stator to form pressure. When the rotor rotates, a certain torque is generated with the stator, a certain braking force is generated on the rotating shaft through the rotor, the kinetic energy of the automobile is converted into the heat energy of working fluid of the retarder, and the energy is emitted into the cooling system through plate replacement.
The hydraulic retarder is a device for converting kinetic energy into heat energy, and the temperature of the hydraulic oil temperature of the oil storage cavity is higher during working, so that the oil storage cavity needs to have enough volume, but the volume of the oil storage cavity of the existing hydraulic retarder is limited due to the limitation of the installation position and the installation space.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the oil storage cavity structure of the hydraulic retarder, which ensures that the retarder normally operates under the minimum volume of an oil cavity of the retarder, and oil injection and oil leakage phenomena do not occur during working.
The invention aims at being realized by the following technical scheme, and the following technical scheme is combined with the accompanying drawings:
the hydraulic retarder oil storage cavity structure is arranged in a cavity formed by a shell assembly 6 and a rear cover assembly 1 of the hydraulic retarder and is divided into a shell side oil storage cavity and a rear cover side oil storage cavity by a sealing plate assembly; an oil filling port 5 is integrally formed at the top of the shell side oil storage cavity, an exhaust valve is integrated in the oil filling port 5, and the exhaust valve is communicated with the shell side oil storage cavity; the oil storage cavity on the side of the shell is sequentially divided into an oil-gas separation expansion cavity A, an oil storage cavity B in the middle of the shell and an oil storage cavity C at the bottom of the shell from top to bottom, and the oil-gas separation expansion cavity A, the oil storage cavity B in the middle of the shell and the oil storage cavity C at the bottom of the shell are sequentially communicated through oil channels; the top of the oil-gas separation expansion cavity A is communicated with the exhaust valve through a backflow oil duct.
Further, a shell grid plate area is arranged at the top of the shell side oil storage cavity, the oil-gas separation expansion cavity A is positioned in the shell grid plate area, and a plurality of transverse baffles 61 which are arranged in a left-right staggered mode are arranged in the shell grid plate area; the top of the rear cover side oil storage cavity is provided with a rear cover grid plate area, and a plurality of inclined partition plates which are arranged in a left-right staggered mode are arranged in the rear cover grid plate area.
Further, a plurality of inclined partition plates 62 are arranged at the upper part of the oil duct in the oil storage cavity B in the middle part of the shell in a left-right staggered manner, and a plurality of vertical partition plates 63 are arranged at the lower part of the oil duct.
Further, a plurality of oil return holes are arranged in the shell side oil storage cavity, and a transverse baffle is arranged above each oil return hole.
Further, the exhaust valve comprises a valve body, an upper cavity and a lower cavity are communicated with each other, a copper particle plate 56 is installed in the upper cavity, an oil-gas separation column 58 is arranged in the lower cavity of the valve body, a first exhaust hole 53, a second exhaust hole 54 and an oil filling hole 52 are respectively arranged in the lower cavity, the oil filling hole 52 is communicated with the oil-gas separation expansion cavity A, and the first exhaust hole 53 and the second exhaust hole 54 are respectively communicated with an oil return channel of the oil storage cavity on the side of the shell.
Further, the sealing plate assembly comprises a second sealing plate 3, a third sealing plate 4 and a first sealing plate 2 which are sequentially overlapped, and overflow holes are formed in the first sealing plate 2, the second sealing plate 3 and the third sealing plate 4 and used for communicating the shell side oil storage cavity and the rear cover side oil storage cavity.
Preferably, the first sealing plate 2 and the second sealing plate 3 are stainless steel plates sprayed with rubber; the third sealing plate 4 is a stainless steel plate with the thickness of 2.0 mm.
The invention has the following beneficial effects:
1. grid plate areas are arranged on the upper parts of the shell assembly and the rear cover assembly, and are formed by a plurality of layers of transverse partition plates which are arranged in a staggered mode, so that the length of an oil duct is increased, medium steps are enabled to flow in a roundabout mode, and turbulence is increased.
2. The upper part of the oil cavity is an oil-gas separation expansion cavity, no medium exists in the oil-gas separation expansion cavity during no-load, the medium naturally expands when the temperature is high, the oil-gas separation expansion cavity is filled with the medium, the disturbance of the oil-gas medium is increased during oil injection and oil discharge of the oil outlet cavity due to the arrangement of the grid plate area, the gas-liquid separation is accelerated, the upward movement of the gas is accelerated, and the medium without gas flows back to the bottom of the oil storage cavity.
3. Because the oil duct in the middle of the oil cavity participates in retarder control, a vertical partition plate is arranged in the middle area of the oil cavity of the shell assembly, so that turbulence is increased, the heat dissipation area and the length of a pipeline are increased, and the oil cavity is high in response speed and rapid in flow.
4. Transverse partition plates are arranged above the oil return holes of the shell assembly to prevent media from directly flowing upwards.
5. The exhaust valve is integrated in the oil filling port, so that the oil filling and exhaust structures are integrated, the structure is simplified, and the volume of the shell is reduced.
Drawings
Fig. 1 is a schematic view of a hydraulic retarder according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the distribution of the oil storage cavities of the hydrodynamic retarder according to the embodiment of the invention;
FIG. 3 is a schematic view of an oil chamber structure of a hydrodynamic retarder housing assembly according to an embodiment of the present invention;
FIG. 4 is a schematic view, partly in section, of a hydrodynamic retarder housing assembly according to an embodiment of the invention;
FIG. 5 is an enlarged schematic cross-sectional view of an oiling vent valve according to an embodiment of the invention;
FIG. 6 is a schematic view of the operating principle of a grid plate area according to an embodiment of the present invention;
in the figure:
1-a rear cover assembly; 2-sealing plate I; a sealing plate No. 3; 4-sealing plate III; 5-oiling exhaust valve; 6-a housing assembly; 51-oiling dust cover; 52-an oil filling hole; 53-exhaust hole I; 54-exhaust hole II; 55-snap ring; 56-copper particle board; a 57-O-ring seal; 58-an oil-gas separation column; 61-diaphragm plates; 62-inclined separator; 63-vertical partition; 64-an oil return hole of the working cavity; 65-an oil return hole of an oil supply pump; 66-an oil feed pump oil inlet; a-an oil-gas separation expansion cavity; b-an oil storage cavity in the middle of the shell; c-an oil storage cavity at the bottom of the shell; i-a housing grid region; II-rear cap gate region.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
As shown in fig. 1, a hydrodynamic retarder comprises a rear cover assembly 1, a housing assembly 6, a front cover assembly and an oil supply pump assembly, wherein the rear cover assembly 1, the housing assembly 6 and the front cover assembly are sequentially fixed, a stator and rotor working cavity is arranged in a cavity formed by the front cover assembly and the housing assembly 6, and the oil supply pump assembly is hung on the back of the rear cover assembly 1 in a hidden mode. The sealing plate assembly formed by overlapping the second sealing plate 3, the third sealing plate 4 and the first sealing plate 2 is fixed between the shell assembly 6 and the rear cover assembly 1.
As shown in fig. 2 and 3, in the hydraulic retarder oil storage cavity structure according to the present embodiment, the hydraulic retarder oil storage cavity structure is disposed in a cavity formed by a housing assembly 6 and a rear cover assembly 1 of the hydraulic retarder, and is divided into a housing side oil storage cavity and a rear cover side oil storage cavity by a sealing plate assembly, and in fig. 2, the gray scale portion is located in the hydraulic retarder oil storage cavity. The top integrated into one piece of casing side oil storage chamber has oiling mouth 5, has the discharge valve in the oiling mouth 5 integration, discharge valve and casing side oil storage chamber intercommunication. As shown in fig. 2 and 3, the oil storage cavity at the side of the shell is sequentially divided into an oil-gas separation expansion cavity a, an oil storage cavity B at the middle part of the shell and an oil storage cavity C at the bottom of the shell, and the oil-gas separation expansion cavity a, the oil storage cavity B at the middle part of the shell and the oil storage cavity C at the bottom of the shell are sequentially communicated through oil passages; the top of the oil-gas separation expansion cavity A is communicated with an oil inlet hole 52 of the exhaust valve through a return oil passage.
The top of the shell side oil storage cavity is provided with a shell grid plate area I, and the oil-gas separation expansion cavity A is positioned in the shell grid plate area; a plurality of transverse baffles 61 are arranged in a staggered manner left and right in the grid plate area of the shell. A rear cover grid plate area II is arranged at the top of the rear cover side oil storage cavity; and a plurality of inclined partition plates which are arranged in a left-right staggered manner are arranged in the rear cover grid plate area.
The oil duct of the oil storage cavity B in the middle of the shell is attached to the original structure of the retarder to form an arc-shaped oil duct.
In the oil storage cavity B in the middle of the shell, a plurality of inclined partition plates 62 are arranged at the upper part of the oil duct in a left-right staggered mode, and a plurality of vertical partition plates 63 are arranged at the lower part of the oil duct, so that turbulence is enhanced. So as to reduce the temperature and accelerate the gas-liquid separation.
A plurality of oil return holes are arranged in the shell side oil storage cavity and at least comprise a working cavity oil return hole 64 and an oil supply pump oil return hole 65, transverse partition plates are arranged above the oil return holes, and medium flowing out of the oil return holes is prevented from directly moving upwards.
As shown in fig. 5, the exhaust valve is integrated in the oil filling port 5, and an oil filling dust cover 51 is installed at the top of the oil filling port 5. The exhaust valve comprises a valve body, the top of the valve body is fixed in the oil filling port 5 through a clamping ring 55, an upper cavity and a lower cavity are communicated with each other, a copper particle plate 56 serving as a filtering component is installed in the upper cavity, the bottom of the copper particle plate 56 is fixed in the upper cavity of the valve body through an O-shaped sealing ring 57 in a sealing manner, an oil-gas separation column 58 is arranged in the lower cavity of the valve body, a first exhaust hole 53, a second exhaust hole 54 and an oil filling hole 52 are respectively arranged in the lower cavity, the first exhaust hole 53 and the second exhaust hole 54 are respectively communicated with an oil return channel of the oil storage cavity on the side of the shell, and the oil filling hole 52 is communicated with an oil-gas separation expansion cavity A.
The shell assembly 6 and the rear cover assembly 1 are made of aluminum alloy materials. Meanwhile, the heat transfer performance of the medium is enhanced due to the increase of turbulence and heat exchange area, heat is quickly transferred to the shell, the temperature of the medium is reduced, and the expansion volume of the medium is reduced; and meanwhile, the temperature of the medium is reduced, gas precipitation in the medium is reduced, and the gas content of the medium is reduced.
The first sealing plate 2 and the second sealing plate 3 are stainless steel plates coated with rubber; the third sealing plate 4 is a stainless steel plate with the thickness of 2.0 mm. And the first sealing plate 2, the second sealing plate 3 and the third sealing plate 4 are respectively provided with an overflow hole for communicating the shell side oil storage cavity with the rear cover side oil storage cavity.
The working principle of the invention is described as follows:
1. exhaust process during oiling: and taking out the exhaust valve integrated in the oil filling port 5, injecting a medium from the oil filling port 5 by using an oil injector, enabling the medium to flow into the shell side oil storage cavity through a shell grid plate area in the shell side oil storage cavity, enabling the medium to flow into the rear cover side oil storage cavity in the rear cover assembly through an overflow hole on the sealing plate assembly, enabling the medium to be gathered at the bottom of the oil storage cavity and then enter the pump body assembly, and enabling gas to enter and be discharged through a first exhaust hole 53 and a second exhaust hole 54 after passing through the grid plate area.
2. The exhaust process of the retarder during working: the oil return holes in the retarder are all arranged in the oil storage cavity at the side of the shell, and a diaphragm plate is arranged above each hole to block the medium flowing out of the oil return holes from directly moving upwards. The medium in the oil storage cavity flows through the plate-shaped, columnar or bent oil channels which are arranged in a crossing way, the temperature is reduced, and the gas and the liquid are separated. The liquid medium eventually flows back to the reservoirs on both sides. The medium flows through the grid plate areas at the two sides respectively, the temperature of the medium is further reduced, and the gas-liquid separation is enhanced. And finally, introducing the gas and a small part of the gas-liquid mixed medium into the exhaust valve. The gas is exhausted and the liquid flows back to the oil reservoir.
3. Exhaust process in the exhaust valve: the gas enters the exhaust valve through the first exhaust hole 53, the second exhaust hole 54 and the oil filling hole, the gas-liquid mixed medium flows into the lower cavity of the exhaust valve, the gas overflows through the copper particle plate of the upper cavity, the liquid is blocked by the copper particle plate to flow back to the oil storage cavity, and the oil-gas separation column prevents the gas-liquid mixed medium from flowing back to the oil storage tank.
In the description of the present embodiment, the terms "upper", "lower", and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (2)
1. The hydraulic retarder oil storage cavity structure is characterized in that the hydraulic retarder oil storage cavity structure is arranged in a cavity formed by a shell assembly (6) and a rear cover assembly (1) of the hydraulic retarder and is divided into a shell side oil storage cavity and a rear cover side oil storage cavity through a sealing plate assembly; an oil filling port (5) is integrally formed at the top of the shell side oil storage cavity, an exhaust valve is integrated in the oil filling port (5), and the exhaust valve is communicated with the shell side oil storage cavity; the oil storage cavity on the side of the shell is sequentially divided into an oil-gas separation expansion cavity A, an oil storage cavity B in the middle of the shell and an oil storage cavity C at the bottom of the shell from top to bottom, and the oil-gas separation expansion cavity A, the oil storage cavity B in the middle of the shell and the oil storage cavity C at the bottom of the shell are sequentially communicated through oil channels; the top of the oil-gas separation expansion cavity A is communicated with the exhaust valve through a return oil duct;
the top of the shell side oil storage cavity is provided with a shell grid plate area, the oil-gas separation expansion cavity A is positioned in the shell grid plate area, and a plurality of transverse baffles (61) which are arranged in a left-right staggered manner are arranged in the shell grid plate area; a rear cover grating area is arranged at the top of the rear cover side oil storage cavity, and a plurality of inclined partition plates which are arranged in a left-right staggered manner are arranged in the rear cover grating area;
the upper part of an oil duct in the oil storage cavity B in the middle part of the shell is provided with a plurality of inclined partition plates (62) which are arranged in a left-right staggered way, and the lower part of the oil duct is provided with a plurality of vertical partition plates (63);
a plurality of oil return holes are arranged in the shell side oil storage cavity, and a transverse baffle is arranged above each oil return hole;
the exhaust valve comprises a valve body, wherein an upper cavity and a lower cavity which are communicated are arranged in the valve body, a copper particle plate (56) is arranged in the upper cavity, an oil-gas separation column (58) is arranged in the lower cavity of the valve body, a first exhaust hole (53), a second exhaust hole (54) and an oil filling hole (52) are respectively arranged in the lower cavity, the oil filling hole (52) is communicated with the copper particle plate (56), and the first exhaust hole (53) and the second exhaust hole (54) are respectively communicated with an oil return channel of the oil storage cavity at the side of the shell;
the sealing plate assembly comprises a second sealing plate (3), a third sealing plate (4) and a first sealing plate (2) which are sequentially overlapped, and overflow holes are formed in the first sealing plate (2), the second sealing plate (3) and the third sealing plate (4) and are used for communicating the shell side oil storage cavity and the rear cover side oil storage cavity.
2. The hydraulic retarder oil storage cavity structure according to claim 1, wherein the first sealing plate (2) and the second sealing plate (3) are stainless steel plates coated with rubber; the third sealing plate (4) is a stainless steel plate with the thickness of 2.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210240010.7A CN114810869B (en) | 2022-03-12 | 2022-03-12 | Hydraulic retarber oil storage chamber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210240010.7A CN114810869B (en) | 2022-03-12 | 2022-03-12 | Hydraulic retarber oil storage chamber structure |
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| Publication Number | Publication Date |
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| CN114810869A CN114810869A (en) | 2022-07-29 |
| CN114810869B true CN114810869B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210240010.7A Active CN114810869B (en) | 2022-03-12 | 2022-03-12 | Hydraulic retarber oil storage chamber structure |
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE800069A (en) * | 1972-05-26 | 1973-11-26 | Labavia | IMPROVEMENTS TO VEHICLE SLOWING DEVICES, |
| WO2000040872A1 (en) * | 1998-12-30 | 2000-07-13 | Voith Turbo Gmbh & Co. Kg | Hydrodynamic retarder with means for generating pressure pulses |
| DE19860705A1 (en) * | 1998-12-30 | 2000-07-13 | Voith Turbo Kg | Hydrodynamic retarder has integrated arrangement for cooling retarder working chamber arranged directly on or near retarder, such as in retarder, stator or rotor housing |
| DE102008034197B3 (en) * | 2008-07-21 | 2009-11-26 | Voith Patent Gmbh | Hydrodynamic machine, particularly hydrodynamic coupling or hydrodynamic retarder, has blade, which is installed at primary wheel and secondary wheel, where cutting slit is formed between primary wheel and secondary wheel |
| CN105697601A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Oil-gas rotation separating device for hydraulic retarder |
| CN105697611A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Oil-gas collision separating device used for hydraulic retarder |
| CN105697606A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Shell structure for accurately testing oil pressure of hydraulic retarder |
| CN205423622U (en) * | 2016-03-01 | 2016-08-03 | 宁波华盛联合制动科技有限公司 | A shell structure that is used for accurate sensing hydraulic retarber oil warm |
| CN106763318A (en) * | 2016-12-14 | 2017-05-31 | 宁波华盛联合制动科技有限公司 | A kind of Retarder housing once receives oily structure |
| CN207111773U (en) * | 2017-03-27 | 2018-03-16 | 宁波华盛联合制动科技有限公司 | A kind of Retarder oil injection type idle lubrication device |
| 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 |
| CN113790233A (en) * | 2021-11-03 | 2021-12-14 | 吉林省中誉信德科技有限公司 | Hydraulic retarder lubricating system |
| CN113898682A (en) * | 2021-10-26 | 2022-01-07 | 阜新德尔汽车部件股份有限公司 | Noise reduction type oil-gas separation device for hydraulic retarder |
| CN114151471A (en) * | 2021-12-31 | 2022-03-08 | 富奥汽车零部件股份有限公司 | Hydraulic retarding mechanism and vehicle |
-
2022
- 2022-03-12 CN CN202210240010.7A patent/CN114810869B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE800069A (en) * | 1972-05-26 | 1973-11-26 | Labavia | IMPROVEMENTS TO VEHICLE SLOWING DEVICES, |
| WO2000040872A1 (en) * | 1998-12-30 | 2000-07-13 | Voith Turbo Gmbh & Co. Kg | Hydrodynamic retarder with means for generating pressure pulses |
| DE19860705A1 (en) * | 1998-12-30 | 2000-07-13 | Voith Turbo Kg | Hydrodynamic retarder has integrated arrangement for cooling retarder working chamber arranged directly on or near retarder, such as in retarder, stator or rotor housing |
| DE102008034197B3 (en) * | 2008-07-21 | 2009-11-26 | Voith Patent Gmbh | Hydrodynamic machine, particularly hydrodynamic coupling or hydrodynamic retarder, has blade, which is installed at primary wheel and secondary wheel, where cutting slit is formed between primary wheel and secondary wheel |
| CN105697606A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Shell structure for accurately testing oil pressure of hydraulic retarder |
| CN105697611A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Oil-gas collision separating device used for hydraulic retarder |
| CN105697601A (en) * | 2016-03-01 | 2016-06-22 | 宁波华盛联合制动科技有限公司 | Oil-gas rotation separating device for hydraulic retarder |
| CN205423622U (en) * | 2016-03-01 | 2016-08-03 | 宁波华盛联合制动科技有限公司 | A shell structure that is used for accurate sensing hydraulic retarber oil warm |
| CN106763318A (en) * | 2016-12-14 | 2017-05-31 | 宁波华盛联合制动科技有限公司 | A kind of Retarder housing once receives oily structure |
| CN207111773U (en) * | 2017-03-27 | 2018-03-16 | 宁波华盛联合制动科技有限公司 | A kind of Retarder oil injection type idle lubrication device |
| 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 |
| CN113898682A (en) * | 2021-10-26 | 2022-01-07 | 阜新德尔汽车部件股份有限公司 | Noise reduction type oil-gas separation device for hydraulic retarder |
| CN113790233A (en) * | 2021-11-03 | 2021-12-14 | 吉林省中誉信德科技有限公司 | Hydraulic retarder lubricating system |
| CN114151471A (en) * | 2021-12-31 | 2022-03-08 | 富奥汽车零部件股份有限公司 | Hydraulic retarding mechanism and vehicle |
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| Publication number | Publication date |
|---|---|
| CN114810869A (en) | 2022-07-29 |
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