CN114183484A - Loading system and pump type retarder - Google Patents
Loading system and pump type retarder Download PDFInfo
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- CN114183484A CN114183484A CN202111672667.2A CN202111672667A CN114183484A CN 114183484 A CN114183484 A CN 114183484A CN 202111672667 A CN202111672667 A CN 202111672667A CN 114183484 A CN114183484 A CN 114183484A
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- 239000012530 fluid Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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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- 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
- F16D57/002—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders comprising a medium with electrically or magnetically controlled internal friction, e.g. electrorheological fluid, magnetic powder
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The invention provides a loading system and a pump type retarder, which relate to the technical field of vehicle retarders, and the loading system provided by the invention is used for the pump type retarder, wherein the pump type retarder comprises a shell and a rotor, a cavity is arranged in the shell, magnetorheological fluid is filled in the cavity, the rotor is arranged in the cavity, and the cavity is divided into a high-pressure cavity and a low-pressure cavity; the loading system comprises: the magnetic field generating piece is arranged at the liquid outlet and can generate a magnetic field. Through setting up control pump, off-load valve and solenoid, the while intracavity is filled magnetorheological suspensions and is regarded as working medium, can carry out closed-loop control to the pressure in the cavity, can real-time control rotor's moment, can realize long slope functions such as slow down, anti-lock, and reaction rate is fast, and efficiency is higher.
Description
Technical Field
The invention relates to the technical field of vehicle retarders, in particular to a loading system and a pump type retarder.
Background
Due to the fact that urban road intersections are multiple, bus stops are dense, passenger flow is large, and buses are frequently braked; the mountain roads are steep and have many sharp bends, and medium and large trucks and buses running on the mountain road section for a long time also need to be braked frequently.
Under the condition of long-time frequent work, the brake shoes are quickly worn, the service life of the brake friction plates is shortened, and the brake force is lost or the brake performance is greatly reduced due to the heat fading of the brake, so that the brake is one of the main causes of traffic accidents. Therefore, it is necessary to equip an auxiliary braking system.
The retarder is used as an auxiliary braking component of the vehicle, reduces the load of the braking system of the original vehicle by acting on the transmission system of the original vehicle, enables the vehicle to uniformly decelerate, improves the reliability of the braking system of the vehicle, prolongs the service life of the braking system, and can greatly reduce the use cost of the vehicle.
At present, the retarder mainly comprises a hydraulic retarder and the like. The hydraulic retarder at least has the defects of large volume, relatively slow reaction speed, insufficient low-speed braking power, large no-load loss and the like.
Disclosure of Invention
The invention aims to solve the following problems: the existing hydrodynamic retarder has the defects of relatively low reaction speed, large no-load loss and the like.
(II) technical scheme
In order to solve the above technical problem, an embodiment of the present invention provides a loading system for a pump type retarder, where the pump type retarder includes a housing and a rotor, a cavity is disposed in the housing, magnetorheological fluid is filled in the cavity, the rotor is disposed in the cavity and can stir the magnetorheological fluid, the rotor divides the cavity into a high-pressure cavity and a low-pressure cavity, and the housing is further provided with a liquid inlet and a liquid outlet communicated with the cavity;
the loading system comprises: the device comprises a storage box, a control pump, a magnetic field generating piece, an unloading valve and a first pipeline;
the two ends of the first pipeline are respectively communicated with the high-pressure cavity and the low-pressure cavity, and the unloading valve is arranged on the first pipeline and used for controlling the on-off of the first pipeline; the input port of the control pump is connected with the storage tank, and the output port of the control pump is connected with the control port of the unloading valve and controls the opening of the unloading valve; the magnetic field generating piece is arranged at the liquid outlet;
when the loading system is loaded, the control pump controls the opening degree of the unloading valve to be reduced, and the magnetic field generating piece generates a magnetic field.
According to an embodiment of the present invention, further, the magnetic field generating member is an electromagnetic coil;
the loading system also comprises a second pipeline, one end of the second pipeline is communicated with the liquid outlet, and the other end of the second pipeline is communicated with the storage box;
the electromagnetic coil is wound on the outer side wall of the second pipeline.
According to an embodiment of the present invention, further, the housing includes a plurality of connecting portions, all of the connecting portions are connected to form the housing;
and a permanent magnet is arranged at the joint of the two connecting parts for sealing.
According to an embodiment of the invention, further, the system further comprises a third pipeline and a control valve;
the shell is provided with a first communication port communicated with the cavity;
one end of the third pipeline is communicated with the first communication port, the other end of the third pipeline is communicated with air, and the control valve is arranged on the third pipeline and controls the on-off of the third pipeline.
According to an embodiment of the present invention, further, the control valve is a solenoid valve.
According to an embodiment of the present invention, further, a first check valve is further included;
the first check valve is arranged between the control pump and the liquid inlet, the inlet of the first check valve is communicated with the output port of the control pump, and the outlet of the first check valve is communicated with the liquid inlet.
According to an embodiment of the present invention, further, the first check valve has two inlets;
one of the inlets is a control port, the control port of the first check valve is communicated with the output port of the control pump, the control pump controls the opening degree of the first check valve, and the other inlet is communicated with the storage tank.
According to an embodiment of the present invention, further, a second communication port is provided on the storage box;
the loading system further comprises a fourth line and a second check valve;
one end of the fourth pipeline is communicated with the storage box, and the other end of the fourth pipeline is communicated with the outside;
the second check valve is provided on the fourth pipe, and gas in the storage tank can be discharged through the second check valve.
According to an embodiment of the present invention, further, the control pump is connected to the housing.
An embodiment of another aspect of the present invention further provides a pump type retarder, including the loading system according to any one of the above embodiments.
The invention has the beneficial effects that:
the invention provides a loading system, which comprises: a loading system is used for a pump type retarder, the pump type retarder comprises a shell and a rotor, a cavity is arranged in the shell, magnetorheological fluid is filled in the cavity, the rotor is arranged in the cavity and can stir the magnetorheological fluid, the rotor divides the cavity into a high-pressure cavity and a low-pressure cavity, and a liquid inlet and a liquid outlet which are communicated with the cavity are further arranged on the shell; the loading system comprises: the device comprises a storage box, a control pump, a magnetic field generating piece, an unloading valve and a first pipeline; two ends of the first pipeline are respectively communicated with the high-pressure cavity and the low-pressure cavity, and the unloading valve is arranged on the first pipeline and used for controlling the on-off of the first pipeline; the input port of the control pump is connected with the storage tank, the output port of the control pump is connected with the control port of the unloading valve, and the opening degree of the unloading valve is controlled; the magnetic field generating piece is arranged at the liquid outlet; when the loading system is loaded, the opening of the pump control unloading valve is controlled to be reduced, and the magnetic field generating piece generates a magnetic field.
Through setting up control pump, off-load valve and solenoid, the while intracavity is filled magnetorheological suspensions and is regarded as working medium, can carry out closed-loop control to the pressure in the cavity, can real-time control rotor's moment, can realize long slope functions such as slow down, anti-lock, and reaction rate is fast, and efficiency is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a loading system according to an embodiment of the present invention.
Icon: 100-pump retarder; 110-a housing; 111-high pressure chamber; 112-a low pressure chamber; 120-a rotor;
210-a storage box; 220-control the pump; 230-a magnetic field generating member; 240-an unloading valve; 250-a control valve; 260-a first check valve; 270-a second check valve; 281 — a first line; 282-a second conduit; 283-a third pipeline; 284-fourth line.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should be noted that, in the description of the present invention, the terms "connected" and "mounted" should be interpreted broadly, for example, they may be fixedly connected, detachably connected, or integrally connected; can be directly connected or connected through an intermediate medium; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
An embodiment of the invention provides a loading system for controlling the pump retarder 100 into a loaded state.
The pump retarder 100 in the present application is connected to a vehicle, specifically, a transmission system, or a vehicle of the vehicle, and is used for retarding.
As shown in fig. 1, the pump retarder 100 includes: a housing 110 and a rotor 120.
A cavity for the rotor 120 to work is arranged in the casing 110, and magnetorheological fluid is filled in the cavity. The rotor 120 is disposed in the cavity and is connected to a transmission system or other structure of the vehicle, and the vehicle can drive the rotor 120 to rotate. When the rotor 120 rotates, the magnetorheological fluid in the cavity can be agitated. Meanwhile, the rotor 120 divides the cavity into a high pressure cavity 111 and a low pressure cavity 112, and the housing 110 is further provided with a liquid inlet and a liquid outlet communicated with the cavity.
The magnetorheological fluid belongs to a novel fluid with controllable fluidity, and is an active research in intelligent materials. Exhibit low viscosity newtonian fluid behavior in the absence of an external magnetic field. Presents a high viscosity, low flow bingham fluid upon application of a magnetic field. The viscosity of the liquid is in corresponding relation with the magnetic flux.
In practical use, the retarder comprises two states.
One state is a loading state, the cavity of the retarder is sealed from the outside, meanwhile, magnetorheological fluid is filled in the cavity, meanwhile, the high-pressure cavity 111 and the low-pressure cavity 112 are disconnected, pressure difference exists between the high-pressure cavity 111 and the low-pressure cavity 112, and when the magnetorheological fluid is stirred by the rotor 120, the magnetorheological fluid has damping effect on the rotor 120, and the retarding function is achieved.
The other state is an unloaded state, at this time, the high pressure chamber 111 and the low pressure chamber 112 are communicated, and air is introduced, so that a pressure difference between the high pressure chamber 111 and the low pressure chamber 112 cannot be established, and the magnetorheological fluid cannot damp the rotor 120.
As shown in fig. 1, the loading system provided in this embodiment includes: a storage tank 210 (for storing magnetorheological fluid), a control pump 220, a magnetic field generating member 230, an unloading valve 240 and a first pipeline 281;
two ends of the first pipeline 281 are respectively communicated with the high-pressure cavity 111 and the low-pressure cavity 112, and the unloading valve 240 is arranged on the first pipeline 281 and is used for controlling the on-off of the first pipeline 281; an input port of the control pump 220 is connected with the storage tank 210, an output port of the control pump 220 is connected with a control port of the unloading valve 240, the opening degree of the unloading valve 240 is controlled, the flow rate of the first pipeline 281 is controlled by controlling the opening degree of the unloading valve 240, the magnetic field generating member 230 is arranged at the liquid outlet, when the magnetic field generating member 230 starts to work, a magnetic field is generated at the liquid outlet, the magnetorheological fluid is influenced by the magnetic field, the viscosity is increased, and the magnetorheological fluid cannot flow at the liquid outlet.
When the loading system performs loading operation, the magnetic field generating member 230 starts to operate to generate a magnetic field at the liquid outlet, so that the viscosity of the magnetorheological fluid is increased, the fluidity is reduced, the resistance during discharge is increased, the control pump 220 controls the opening degree of the unloading valve 240 to be reduced (according to actual conditions, when a smaller torque is required, the opening degree of the unloading valve 240 can be reduced, and if a larger torque is required, the unloading valve 240 can be directly closed), the flow rate of the first pipeline 281 is controlled, a pressure difference is formed, so that the magnetorheological fluid can damp the rotor 120, and further a braking torque is generated.
In this embodiment, the control pump 220, the unloading valve 240 and the magnetic field generating member 230 are used to cooperate with the magnetorheological fluid medium filled in the cavity to realize auxiliary main braking, and the auxiliary main braking system has the advantages of rapid response, accurate control, practicality and reliability, and meanwhile, the auxiliary main braking system can be controlled in real time to realize anti-lock.
In this embodiment, the unloading valve 240 includes a valve body, and the valve body is formed with a receiving cavity, and a piston is disposed in the receiving cavity, and the piston can slide along the extending direction of the receiving cavity. One end of the accommodating cavity is provided with a control port which is communicated with an output port of the control pump 220, and the other end of the accommodating cavity is provided with a compression spring.
Magnetorheological fluid is pumped into the control port by the control pump 220, so that the piston can be pushed to slide in the accommodating cavity, and the opening degree of the unloading valve 240 is controlled.
As shown in fig. 1, in the present embodiment, the magnetic field generating member 230 is an electromagnetic coil.
The loading system further includes a second pipeline 282, one end of the second pipeline 282 is communicated with the liquid outlet, the other end of the second pipeline 282 is communicated with the storage tank 210, the electromagnetic coil is wound on the outer side wall of the second pipeline 282, when the electromagnetic coil is powered on, a magnetic field is generated in the second pipeline 282, so that the viscosity of the magnetorheological fluid is increased, the flowability is reduced, and the resistance during discharging is increased.
Optionally, in this embodiment, the loading system further includes a controller, the controller controls the electromagnetic coil to be turned on or off, and meanwhile, the electromagnetic coil is connected to a power supply of the vehicle, and the power supply of the vehicle supplies power to the electromagnetic coil.
In this embodiment, the casing 110 includes a plurality of connecting portions, and all the connecting portions link to each other and form casing 110, two the department that connects of connecting portion is equipped with the permanent magnet, and at the permanent magnet department, the magnetic current becomes liquid viscosity and increases, and mobility worsens, can improve sealed effect.
In this embodiment, the connecting portion includes a housing and an end cover of the pump retarder 100.
In this embodiment, as shown in fig. 1, the loading system further includes a third line 283 and a control valve 250. The housing 110 is provided with a first communication port for communicating the cavity with the atmosphere, so that the external air can enter the cavity, and the rapid unloading can be realized.
Specifically, one end of the third pipeline 283 is communicated with the first communication port, the other end of the third pipeline is communicated with the outside, and the control valve 250 is arranged on the third pipeline 283 and controls the on-off of the third pipeline 283.
When the loading system is loaded, the control valve 250 also controls the third pipeline 283 to be disconnected so as to form a closed cavity.
In practical use, the control valve 250 is a solenoid valve, which has a simple structure, quick response and convenient control.
The loading system provided by this embodiment, as shown in fig. 1, further includes a first check valve 260, where the first check valve 260 is disposed between the control pump 220 and the liquid inlet, an inlet of the first check valve 260 is communicated with an output port of the control pump 220, and an outlet of the first check valve 260 is communicated with the liquid inlet.
The control pump 220 can control the opening degree of the first check valve 260, specifically, when the loading system is loaded, the control pump 220 controls the first check valve 260 to be opened, and the magnetorheological fluid in the storage tank 210 can enter the cavity.
In actual use, the first check valve 260 has two inlets as shown in FIG. 1. One of the inlets is a control port, the output port of the control pump 220 is communicated with the control port of the first check valve 260 and controls the opening degree of the first check valve 260, and the other inlet is communicated with the storage tank 210.
Specifically, when the loading system is loaded, the pump 220 is controlled to start pressurizing, and the first check valve 260 is controlled to open, at this time, since the vehicle drives the rotor 120 to rotate, the rotor 120 rotates, and the magnetorheological fluid is sucked into the cavity through the other interface of the first check valve 260.
In the present embodiment, as shown in fig. 1, the storage tank 210 is provided with a second communication port for communicating the outside with the inside of the storage tank 210.
Specifically, the loading system further includes a fourth pipeline 284 and a second check valve 270, wherein one end of the fourth pipeline 284 is communicated with the storage tank 210, and the other end is communicated with the outside; the second check valve 270 is provided on the fourth line 284, and the gas in the storage tank 210 can be discharged through the second check valve 270.
Since the cavity of the pump-type retarder 100 has a large amount of air when the retarder is idle, and when the retarder needs to be loaded, the second control valve 250 and the unloading valve 240 are closed, the cavity is closed, and the air needs to be discharged in the process of sucking the magnetorheological fluid into the cavity.
In actual use, the air is discharged from the liquid outlet, flows into the storage tank 210 along with the pipeline, and can be discharged completely from the air entering the storage tank 210 by arranging the second communicating port, and meanwhile, the second check valve 270 is arranged at the second communicating port, so that the magnetorheological fluid in the storage tank 210 can be prevented from being polluted by the external impurities entering the storage tank 210.
Another embodiment of the present invention further provides a pump type retarder 100, which includes the loading system described in the above embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The loading system is characterized by being used for a pump type retarder (100), wherein the pump type retarder (100) comprises a shell (110) and a rotor (120), a cavity is arranged in the shell (110), magnetorheological fluid is filled in the cavity, the rotor (120) is arranged in the cavity and can stir the magnetorheological fluid, the rotor (120) divides the cavity into a high-pressure cavity (111) and a low-pressure cavity (112), and a liquid inlet and a liquid outlet which are communicated with the cavity are further formed in the shell (110);
the loading system comprises: a storage tank (210), a control pump (220), a magnetic field generating member (230), an unloading valve (240) and a first pipeline (281);
two ends of the first pipeline (281) are respectively communicated with the high-pressure cavity (111) and the low-pressure cavity (112), and the unloading valve (240) is arranged on the first pipeline (281) and is used for controlling the on-off of the first pipeline (281); an input port of the control pump (220) is connected with the storage tank (210), an output port of the control pump (220) is connected with a control port of the unloading valve (240), and the opening degree of the unloading valve (240) is controlled; the magnetic field generating piece (230) is arranged at the liquid outlet;
when the loading system is loaded, the control pump (220) controls the opening degree of the unloading valve (240) to be reduced, and the magnetic field generating piece (230) generates a magnetic field.
2. The loading system according to claim 1, wherein the magnetic field generating member (230) is an electromagnetic coil;
the loading system also comprises a second pipeline (282), one end of the second pipeline (282) is communicated with the liquid outlet, and the other end of the second pipeline is communicated with the storage tank (210);
the electromagnetic coil is wound on the outer side wall of the second pipeline (282).
3. The loading system of claim 1, wherein said housing (110) includes a plurality of connecting portions, all of said connecting portions being connected to form said housing (110);
and a permanent magnet is arranged at the joint of the two connecting parts for sealing.
4. The loading system of claim 1, further comprising a third conduit (283) and a control valve (250);
the shell (110) is provided with a first communication port communicated with the cavity;
one end of the third pipeline (283) is communicated with the first communicating port, the other end of the third pipeline is communicated with the air, and the control valve (250) is arranged on the third pipeline (283) and controls the on-off of the third pipeline (283).
5. The loading system of claim 4, wherein the control valve (250) is a solenoid valve.
6. The loading system of claim 1, further comprising a first check valve (260);
the first check valve (260) is arranged between the control pump (220) and the liquid inlet, the inlet of the first check valve (260) is communicated with the output port of the control pump (220), and the outlet of the first check valve (260) is communicated with the liquid inlet.
7. The loading system of claim 6, wherein the first check valve (260) has two inlets;
one of the inlets is a control port, the control port of the first check valve (260) is communicated with the output port of the control pump (220), and the control pump (220) controls the opening degree of the first check valve (260) and the other inlet is communicated with the storage tank (210).
8. The loading system according to claim 1, wherein a second communication port is provided on the storage box (210);
the loading system further comprises a fourth line (284) and a second check valve (270);
one end of the fourth pipeline (284) is communicated with the storage tank (210), and the other end of the fourth pipeline is communicated with the outside;
the second check valve (270) is provided on the fourth pipeline (284), and gas in the storage tank (210) can be discharged through the second check valve (270).
9. The loading system of claim 1, wherein the control pump (220) is connected to the housing (110).
10. A pump retarder, characterized in that it comprises a loading system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111672667.2A CN114183484A (en) | 2021-12-31 | 2021-12-31 | Loading system and pump type retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111672667.2A CN114183484A (en) | 2021-12-31 | 2021-12-31 | Loading system and pump type retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114183484A true CN114183484A (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111672667.2A Pending CN114183484A (en) | 2021-12-31 | 2021-12-31 | Loading system and pump type retarder |
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| CN (1) | CN114183484A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05262211A (en) * | 1992-03-17 | 1993-10-12 | Akebono Brake Ind Co Ltd | Fluid type retarder control device |
| DE19833891A1 (en) * | 1998-07-28 | 2000-02-03 | Zahnradfabrik Friedrichshafen | Hydrodynamic retarder for motor vehicle has control system with regulating valve to deliver contents of pressurized accumulator to retarder, and which controls both emptying and replenishment of accumulator |
| CN108468729A (en) * | 2018-04-03 | 2018-08-31 | 韩赛 | The middle-size and small-size for motor vehicle Retarder of one kind and assisted deceleration system |
| 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 |
| CN111075862A (en) * | 2020-03-02 | 2020-04-28 | 任峰 | Magnetorheological fluid brake and control method thereof |
| CN216867356U (en) * | 2021-12-31 | 2022-07-01 | 富奥汽车零部件股份有限公司 | Loading system and pump type retarder |
-
2021
- 2021-12-31 CN CN202111672667.2A patent/CN114183484A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05262211A (en) * | 1992-03-17 | 1993-10-12 | Akebono Brake Ind Co Ltd | Fluid type retarder control device |
| DE19833891A1 (en) * | 1998-07-28 | 2000-02-03 | Zahnradfabrik Friedrichshafen | Hydrodynamic retarder for motor vehicle has control system with regulating valve to deliver contents of pressurized accumulator to retarder, and which controls both emptying and replenishment of accumulator |
| CN108468729A (en) * | 2018-04-03 | 2018-08-31 | 韩赛 | The middle-size and small-size for motor vehicle Retarder of one kind and assisted deceleration system |
| 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 |
| CN111075862A (en) * | 2020-03-02 | 2020-04-28 | 任峰 | Magnetorheological fluid brake and control method thereof |
| CN216867356U (en) * | 2021-12-31 | 2022-07-01 | 富奥汽车零部件股份有限公司 | Loading system and pump type retarder |
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