CN114321222B - Retarder oil supply method and retarder oil supply system - Google Patents
Retarder oil supply method and retarder oil supply system Download PDFInfo
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- CN114321222B CN114321222B CN202111672653.0A CN202111672653A CN114321222B CN 114321222 B CN114321222 B CN 114321222B CN 202111672653 A CN202111672653 A CN 202111672653A CN 114321222 B CN114321222 B CN 114321222B
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The invention provides a retarder oil supply method and a retarder oil supply system, and relates to the technical field of retarders. The retarder oil supply method comprises the following steps: providing a portion of the adjustment member located in the first adjustment chamber and a portion of the adjustment member located in the second adjustment chamber on both sides of a plane passing through the first axis and the second axis, respectively; one of the first adjusting cavity and the second adjusting cavity is communicated with the oil outlet cavity, and the other of the first adjusting cavity and the second adjusting cavity is controlled to be switched between a load state and an idle state. According to the retarder oil supply method and the oil supply system, the problem that braking force is reduced and insufficient braking force is caused when the existing retarder oil supply method supplies oil to the retarder in a compressed air mode is solved, and the retarder oil supply method capable of supplying oil to the retarder stably is provided, so that an output curve of the retarder is stable.
Description
Technical Field
The application relates to the technical field of retarders, in particular to a retarder oil supply method and a retarder oil supply system.
Background
When the retarder is braked by utilizing the principle of a mixed flow pump, the transmission system drives the retarder rotor to rotate, vehicle kinetic energy is converted into medium kinetic energy, the medium kinetic energy circulates in the vane type stator and rotor cavity, and impact and friction convert the medium kinetic energy into medium heat energy to generate braking force. The existing oil supply method of the retarder generally controls the height of oil in the oil storage cavity through compressed air so as to supply oil to the retarder, however, unavoidable gas with an unequal amount exists in the oil through the mode of compressed air, meanwhile, the volume of the gas cannot be controlled, when the retarder is supplied with oil, the braking force of the retarder is reduced, the braking force is insufficient, and the pulsation of the braking force is large.
Disclosure of Invention
In view of this, the present application provides a retarder oil feeding method and retarder oil feeding system, through setting up the first regulation chamber and the second regulation chamber of oil transfer pump in the both sides of adjustment component, first regulation chamber and one of the second regulation chamber with go out the oil chamber intercommunication, control first regulation chamber and the second regulation chamber another of both switches between load state and empty state for the gaseous content reduces appears in the fluid of oil transfer pump, has solved current retarder oil feeding method and has carried out the oil feeding to the retarder through compressed air's mode, appears the brake force and descends, and then leads to the problem of brake force shortage, provides a retarder oil feeding method that can carry out the oil feeding for the retarder steadily, makes the output curve of retarder more steady.
According to an aspect of the present application, there is provided a retarder oil supply method, through which an oil pump supplies oil in an oil storage chamber to a retarder, the oil pump including an oil inlet chamber, a first regulation chamber, a second regulation chamber, an oil outlet chamber, an adjustment member, and a rotor, the oil inlet chamber being in communication with the oil storage chamber, the oil outlet chamber being in communication with the retarder, the rotor rotating about a first axis, the adjustment member rotating about a second axis, the retarder oil supply method comprising:
providing a portion of the adjustment member located in the first adjustment chamber and a portion of the adjustment member located in the second adjustment chamber on both sides of a plane passing through the first axis and the second axis, respectively;
one of the first adjusting cavity and the second adjusting cavity is communicated with the oil outlet cavity, and the other of the first adjusting cavity and the second adjusting cavity is controlled to be switched between a load state and an idle state.
Preferably, the first adjusting cavity is communicated with the oil outlet cavity, the second adjusting cavity is controlled to be switched between the load state and the idle state, the adjusting member swings between a first adjusting position and a second adjusting position, when the second adjusting cavity is in the idle state, the adjusting member is located at the first adjusting position, the oil outlet cavity outputs the minimum oil outlet amount, when the adjusting cavity is in the load state, the adjusting member is located at the second adjusting position, and the oil outlet cavity outputs the maximum oil outlet amount.
Preferably, the oil transfer pump includes an ejector assembly that abuts a portion of the adjustment member located in the second adjustment chamber, the adjustment member swinging between a first adjustment position and a second adjustment position to move the ejector assembly.
Preferably, the retarder oil supply method further includes: the ejection assembly comprises a spring and a guide pin, the spring drives the guide pin to move, when the adjusting member is at the first adjusting position, the spring is provided with a first compression length, and the sum of the pressure of the spring to the adjusting member and the pressure of the oil in the second adjusting cavity to the adjusting member is equal to the pressure of the oil in the first adjusting cavity to the adjusting member.
Preferably, the retarder oil supply method further includes: and in the second adjusting position of the adjusting member, the spring is provided with a second compression length, and the pressure of the spring to the adjusting member is equal to the pressure of the oil in the first adjusting cavity to the adjusting member.
Preferably, the retarder oil supply method further includes: the adjusting member includes an adjusting center, a distance between the adjusting center and the second axis is an adjusting distance, and the adjusting distance is set to a maximum value when the second adjusting chamber is in a loaded state.
Preferably, the retarder oil supply method further includes: and setting the adjustment distance to be a minimum value when the second adjusting cavity is in an idle state.
Preferably, when the second adjustment chamber is switched from the unloaded state to the loaded state, the second adjustment chamber communicates with the first adjustment chamber, and the adjustment member moves from the first adjustment position to the second adjustment position.
According to another aspect of the application, a retarder oil supply system is provided, and the retarder oil supply system supplies oil to a retarder through the retarder oil supply method.
Preferably, the retarder oil supply system comprises a solenoid proportional valve, the other being connected to the solenoid proportional valve to switch the other between a loaded state and an unloaded state.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a flow chart of a retarder oil supply method according to an embodiment of the invention;
FIG. 2 shows a schematic diagram of the direction of flow of oil in a non-driving state of a vehicle of a retarder oil feeding system according to an embodiment of the invention;
FIG. 3 shows a schematic view of the direction of flow of oil in a driving but not retarded state of a retarder oil feeding system according to an embodiment of the present invention;
fig. 4 shows a schematic diagram of the direction of flow of oil in a driving and retarded state of a retarder oil feeding system according to an embodiment of the invention.
Icon: 100-an oil storage cavity; 200-oil inlet duct; 210-a first filter; 310-an oil inlet cavity; 320-an oil outlet cavity; 331-a spring; 332-guide pins; 340-a housing; 350-an adjustment member; 351—a first sealing surface; 352-second sealing surface; 360-a first adjustment chamber; 370-a second accommodation chamber; 400-electromagnetic proportional valve; 510-a first oil drain passage; 511-a second filter; 520-a second oil drain passage; 521-retarding part and heat exchanger; 530-a third oil drain passage; 540-fourth oil drain passage.
Detailed Description
The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, apparatus, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatuses, and/or systems described herein will be apparent after an understanding of the present disclosure. For example, the order of operations described herein is merely an example, and is not limited to the order set forth herein, but rather, obvious variations may be made upon an understanding of the present disclosure, other than operations that must occur in a specific order. In addition, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.
The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided solely to illustrate some of the many possible ways of implementing the methods, devices, and/or systems described herein that will be apparent after a review of the disclosure of the present application.
In the entire specification, when an element (such as a layer, region or substrate) is described as being "on", "connected to", "bonded to", "over" or "covering" another element, it may be directly "on", "connected to", "bonded to", "over" or "covering" another element or there may be one or more other elements interposed therebetween. In contrast, when an element is referred to as being "directly on," directly connected to, "or" directly coupled to, "another element, directly on," or "directly covering" the other element, there may be no other element intervening therebetween.
As used herein, the term "and/or" includes any one of the listed items of interest and any combination of any two or more.
Although terms such as "first," "second," and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first member, component, region, layer or section discussed in examples described herein could also be termed a second member, component, region, layer or section without departing from the teachings of the examples.
For ease of description, spatially relative terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to another element would then be oriented "below" or "lower" relative to the other element. Thus, the term "above … …" includes both orientations "above … …" and "below … …" depending on the spatial orientation of the device. The device may also be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. Singular forms also are intended to include plural forms unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" are intended to specify the presence of stated features, integers, operations, elements, and/or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, and/or groups thereof.
Variations from the shapes of the illustrations as a result, of manufacturing techniques and/or tolerances, are to be expected. Accordingly, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shapes that occur during manufacture.
The features of the examples described herein may be combined in various ways that will be apparent after an understanding of the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible as will be apparent after an understanding of the present disclosure.
According to an aspect of the present application, there is provided a retarder oil supply method, through which an oil pump supplies oil in an oil storage chamber to a retarder, the oil pump including an oil inlet chamber, a first regulation chamber, a second regulation chamber, an oil outlet chamber, an adjustment member, and a rotor, the oil inlet chamber being in communication with the oil storage chamber, the oil outlet chamber being in communication with the retarder, the rotor rotating about a first axis, the adjustment member rotating about a second axis, as shown in fig. 1, the retarder oil supply method including:
providing a portion of the adjustment member located in the first adjustment chamber and a portion of the adjustment member located in the second adjustment chamber on both sides of a plane passing through the first axis and the second axis, respectively;
one of the first adjusting cavity and the second adjusting cavity is communicated with the oil outlet cavity, and the other of the first adjusting cavity and the second adjusting cavity is controlled to be switched between a load state and an idle state.
According to the retarder oil supply method, the first adjusting cavity and the second adjusting cavity of the oil transfer pump are arranged on two sides of the adjusting component, one of the first adjusting cavity and the second adjusting cavity is communicated with the oil outlet cavity, and the other of the first adjusting cavity and the second adjusting cavity is controlled to switch between a load state and an idle state, so that the content of gas in oil of the oil transfer pump is reduced, the problem that braking force is reduced and insufficient braking force is caused when the existing retarder oil supply method supplies oil to the retarder in a compressed air mode is solved, and the retarder oil supply method capable of stably supplying oil to the retarder is provided, so that an output curve of the retarder is more stable.
Further, the first adjusting cavity is communicated with the oil outlet cavity, the second adjusting cavity is controlled to be switched between a load state and the idle state, and the retarder oil supply method of the embodiment of the application is described below with reference to the accompanying drawings.
As shown in fig. 2 to 4, the oil intake chamber 310 of the oil transfer pump communicates with the oil storage chamber 100 through the oil intake passage 200, the first and second adjustment chambers 360 and 370 are two spaces formed between the housing 340 and the adjustment member 350, the oil transfer pump further includes an ejector assembly including a guide pin 332 and a spring 331, a portion of the housing 340 located in the second adjustment chamber 370 is formed with a mounting space, the spring 331 and the guide pin 332 are disposed in the mounting space, and a portion of the guide pin 332 protrudes in the mounting space, the spring 331 is sleeved outside the guide pin 332, the spring 331 is always in a pre-compressed state, and the spring 331 is movable between a first compressed length and a second compressed length to drive the guide pin 332 to move to change a force applied to the adjustment member 350. The adjustment member 350 includes a first sealing surface 351 and a second sealing surface 352, the first sealing surface 351 being a surface of the adjustment member 350 that contacts the housing 340, and the first sealing surface 351 and the first adjustment chamber 360 being on the same side of the surface of the first axis and the second axis, the second sealing surface 352 being another surface of the adjustment member 350 that contacts the housing 340, and the second sealing surface 352 and the second adjustment chamber 370 being on the same side of the surface of the first axis and the second axis.
Further, the second adjusting cavity 370 is controlled to switch between the loaded state and the unloaded state, which can be achieved by the electromagnetic proportional valve 400, the electromagnetic proportional valve 400 is a two-position three-way valve, which comprises three interfaces of an A port, a P port and a T port, and the second adjusting cavity 370 is communicated with the different interfaces to switch between the loaded state and the unloaded state.
As shown in fig. 2, when the vehicle is not running, the shaft of the retarder is not rotated, the rotor of the oil transfer pump is not rotated, the oil transfer pump is in a non-operating state, the first adjusting chamber 360 is communicated with the oil outlet chamber 320 of the oil transfer pump, the oil outlet chamber 320 is not communicated with the retarding portion and the heat exchanger 521, and the first adjusting chamber 360 is communicated with the oil storage chamber 100 through the first oil outlet passage 510, the middle portion of the first oil outlet passage 510 is connected with the second oil outlet passage 520, the second oil outlet passage 520 is communicated with the P port of the electromagnetic proportional valve 400, the second adjusting chamber 370 is communicated with the a port and T port of the electromagnetic proportional valve 400 through the third oil outlet passage, the T port of the electromagnetic proportional valve 400 is communicated with the oil storage chamber 100 through the fourth oil outlet passage 540, namely, the first adjusting chamber 360 is communicated with the oil outlet chamber 320, the second oil outlet passage 520 is not communicated with the oil outlet chamber 320, at this moment, the spring 331 is in a first compression length, the adjusting member 350 is located at a first adjusting position, and the adjusting distance between the swing center of the adjusting member 350 and the second axis is maximum e 0 。
It should be noted that, although the first, second, third, and fourth oil discharge passages 510, 520, 530, 540 are shown with arrows on the first, second, third, and fourth oil discharge passages 510, 520, 530, 540 in fig. 2, it should be understood that the arrows in fig. 2 are merely for illustrating communication relationships between the fourth and third oil discharge passages 510, 520, 530, 540 and the oil delivery pump and the oil storage chamber 100, and that the oil is not circulated among the oil storage chamber 100, the oil delivery pump, and the retarder when the vehicle is in the non-traveling state in fig. 2.
As shown in fig. 3, when the vehicle is switched to a running but not retarded state, the retarder shaft rotates, the rotor of the oil transfer pump rotates with it, the oil transfer pump is in a working state, the first adjusting chamber 360 is communicated with the oil outlet chamber 320, the oil outlet chamber 320 is communicated with the retarding part and the heat exchanger 521, the oil outlet chamber 320 supplies oil to the retarder, the second adjusting chamber 370 is communicated with the port a and the port T of the electromagnetic proportional valve 400 through the third oil outlet channel 530, the port T of the electromagnetic proportional valve 400 is communicated with the oil storage chamber 100 through the fourth oil outlet channel 540, namely the first adjusting chamber 360 is communicated with the oil outletThe cavity 320 is communicated, the second adjusting cavity 370 is not communicated with the oil outlet cavity 320, the oil entering the first adjusting cavity 360 applies pressure to the adjusting member 350, so that the adjusting member 350 overcomes the force applied by the spring 331 to the adjusting member 350, the adjusting member 350 rotates around the first axis at the first adjusting position to the second adjusting position, the adjusting distance between the swing center of the adjusting member 350 and the second axis is reduced, and at the moment, the displacement of the oil delivery pump is reduced. The adjustment distance between the adjustment center and the second axis of the adjustment member 350 is reduced to a minimum value e 1 When the displacement of the oil transfer pump is reduced to the minimum oil discharge amount, at this time, the oil output by the oil transfer pump can only be used for lubrication, cooling and the like of the parts such as the bearing, the oil seal, the sealing ring and the like of the retarder, and the adjusting member 350 reaches the stress balance, specifically as follows:
R 1 ×B×P 1 ×a＝R 2 ×B×P 0 ×a+H 1 ×K
wherein R is 1 Representing the radius of the first sealing surface of the adjustment member 350; b represents the thickness of the rotor; p (P) 1 Indicating the low-pressure working pressure of the oil delivery pump; r is R 2 Representing the radius of the second sealing surface of the adjustment member 350; p (P) 0 Representing the pressure of the oil feed chamber 310 of the oil feed pump; h 1 Representing the compressed height of the spring; k represents the stiffness coefficient of the spring; a is a calculation coefficient, is an empirical value, and has a specific numerical value of 1.05-1.3.
The radius of the first sealing surface 351 of the adjustment member 350 indicates the distance between the first sealing surface 351 and the first axis of the adjustment member 350, the radius of the second sealing surface 352 of the adjustment member 350 indicates the distance between the second sealing surface 352 and the first axis of the adjustment member 350, and the low-pressure operating pressure of the oil pump indicates the pressure of the oil in the first adjustment chamber 360 when the vehicle is in a running but not retarded state. At this time, the compressed height of the spring 331 is the difference between the spring 331 and the natural length when the spring 331 is at the first compressed length.
Further, P when the vehicle is in a traveling but not retarded state 0 The stress condition of the adjustment member 350 at this time is as follows:
R 1 ×B×P 1 ×a＝H 1 ×K
as shown in fig. 4, when the vehicle is switched to a running and retarded state, the shaft of the retarder rotates, the rotor of the oil pump rotates with the shaft, the oil pump is in an operating state, the second adjusting chamber 370 of the oil pump is communicated with the port a and the port P of the electromagnetic proportional valve 400 and then is communicated with the first oil discharge channel 510, thereby the first adjusting chamber 360 is communicated with the second adjusting chamber 370, at this time, under the combined action of the oil in the second adjusting chamber 370 and the spring 331, the adjusting member 350 rotates around the first axis at the second adjusting position to the first adjusting position, the adjusting distance between the adjusting center of the adjusting member 350 and the second axis increases, the oil discharge amount of the oil pump increases, the operating pressure of the oil pump increases, and the adjusting distance between the adjusting center of the adjusting member 350 and the second axis reaches the maximum value e 0 The displacement of the oil delivery pump is the maximum oil discharge amount, and the adjusting member 350 reaches the force balance, specifically as follows:
R 1 ×B×P 2 ×a＝R 2 ×B×P 2 ×a+H 2 ×K
wherein P is 2 Representing the high-pressure working pressure of the oil delivery pump; h 2 Representing the compressed height of the spring;
it should be noted that, when the high-pressure working pressure of the oil pump is that the retarder is in a running and retarding state, the first adjusting cavity 360 and the second adjusting cavity 370 are communicated, at this time, the pressure of the first adjusting cavity 360 and the pressure of the second adjusting cavity 370 are the same, and the high-pressure working pressure of the oil pump refers to the pressure of the oil in the first adjusting cavity 360 when the vehicle is in a running and retarding state. At this time, the compressed height of the spring 331 is the difference between the spring 331 and the natural length when the spring 331 is at the second compressed length.
Further, when the displacement of the oil delivery pump is the maximum oil discharge amount, parts such as a bearing, an oil seal, a sealing ring and the like of the retarder can be lubricated and cooled, and meanwhile, oil can be supplied to a stator and a rotor of the retarder part, so that the retarder enters a braking state.
By the retarder oil supply method, oil can be stably supplied to the retarder.
According to another aspect of the application, a retarder oil supply system is provided, and the retarder oil supply system supplies oil for a retarder through the retarder oil supply method, so that the retarder oil supply system is ensured to be capable of supplying oil for the retarder stably.
As shown in fig. 2 to 4, the retarder oil supply system includes an electromagnetic proportional valve 400, where the electromagnetic proportional valve 400 is connected to the oil transfer pump, the oil storage chamber 100 and the retarder, and the electromagnetic proportional valve 400 can switch the second adjusting chamber 370 between the loaded state and the unloaded state, and the specific implementation process is described in the retarder oil supply method described above.
When the vehicle is in a running and retarding state, the electromagnetic proportional valve 400 can control the displacement and pressure of oil, so that the braking force of the retarder is changed.
Further, as shown in fig. 2-4, the first oil drain channel 510 and the oil inlet channel 200 are respectively provided with a first filter 210 and a second filter 511, which can filter oil, the second oil drain channel 520 is communicated with the retarding part and the heat exchanger 521, and the oil in the retarding part and the heat exchanger 521 can be communicated with the retarding part and the heat exchanger through the heat exchanger, so that heat of the oil circulated in the retarder and the retarder oil supply system can be exchanged into the cooling liquid, and the oil can be cooled.
It should be noted that, although the retarder oil supply system shown in fig. 2-4 does not show specific positions of the retarder portion and the heat exchanger in the heat exchanger 521, it should be understood that the oil outlet chamber 320 of the oil transfer pump is connected to the retarder portion and the heat exchanger in the heat exchanger 521, and is capable of simultaneously supplying oil to the retarder portion and the heat exchanger in the retarder portion and the heat exchanger 521.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. The retarder oil supply method is characterized in that the oil pump comprises an oil inlet cavity, a first adjusting cavity, a second adjusting cavity, an oil outlet cavity, an adjusting component and a rotor, wherein the oil inlet cavity is communicated with the oil storage cavity, the oil outlet cavity is communicated with the retarder, the rotor rotates around a first axis, the adjusting component rotates around a second axis, and the retarder oil supply method comprises the following steps:
providing a portion of the adjustment member located in the first adjustment chamber and a portion of the adjustment member located in the second adjustment chamber on both sides of a plane passing through the first axis and the second axis, respectively;
setting one of the first regulating cavity and the second regulating cavity to be communicated with the oil outlet cavity, and controlling the other of the first regulating cavity and the second regulating cavity to be switched between a load state and an idle state;
the first regulating cavity is communicated with the oil outlet cavity, the second regulating cavity is controlled to switch between the loading state and the idle state,
the adjusting member swings between a first adjusting position and a second adjusting position, when the second adjusting cavity is in an empty state, the adjusting member is positioned at the first adjusting position, the oil outlet cavity outputs the minimum oil outlet quantity, and when the adjusting cavity is in a load state, the adjusting member is positioned at the second adjusting position, and the oil outlet cavity outputs the maximum oil outlet quantity;
the oil transfer pump comprises an ejection assembly, wherein the ejection assembly is abutted with the part, located in the second adjusting cavity, of the adjusting member, and the adjusting member swings between a first adjusting position and a second adjusting position so as to enable the ejection assembly to move;
the retarder oil supply method further comprises the following steps: the ejection assembly comprises a spring and a guide pin, the spring drives the guide pin to move, when the adjusting member is at the first adjusting position, the spring is provided with a first compression length, and the sum of the acting force of the spring on the adjusting member and the pressure of oil in the second adjusting cavity on the adjusting member is equal to the pressure of oil in the first adjusting cavity on the adjusting member;
the retarder oil supply method further comprises the following steps: and in the second adjusting position of the adjusting member, the spring is provided with a second compression length, and the acting force of the spring on the adjusting member is equal to the pressure of oil in the first adjusting cavity on the adjusting member.
2. The retarder oil supply method according to claim 1, characterized in that the retarder oil supply method further comprises: the adjusting member includes a swing center, and a distance between the swing center and the second axis is an adjusting distance, and the adjusting distance is set to a maximum value when the second adjusting chamber is in a loaded state.
3. The retarder oil supply method according to claim 2, characterized in that the retarder oil supply method further comprises: and setting the adjustment distance to be a minimum value when the second adjusting cavity is in an idle state.
4. A retarder oil supply method according to claim 3, characterized in that the second adjusting chamber communicates with the first adjusting chamber when the second adjusting chamber is switched from the idle state to the loaded state, the adjusting member moving from the first adjusting position to the second adjusting position.
5. A retarder oil supply system, characterized in that it supplies oil to a retarder by a retarder oil supply method according to any of claims 1-4.
6. The retarder oil supply system according to claim 5, characterized in that the retarder oil supply system comprises an electromagnetic proportional valve, the other being connected with the electromagnetic proportional valve for switching the other between a loaded state and an unloaded state.
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| CN202111672653.0A CN114321222B (en) | 2021-12-31 | 2021-12-31 | Retarder oil supply method and retarder oil supply system |
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| CN202111672653.0A CN114321222B (en) | 2021-12-31 | 2021-12-31 | Retarder oil supply method and retarder oil supply system |
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| FR1589794A (en) * | 1968-02-13 | 1970-04-06 | ||
| WO2001031220A1 (en) * | 1999-10-27 | 2001-05-03 | Zf Friedrichshafen Ag | Retarder system |
| CN203431068U (en) * | 2013-09-10 | 2014-02-12 | 深圳市特尔佳科技股份有限公司 | Hydraulic retarder oil circuit structure for reducing no-load loss |
| CN203431067U (en) * | 2013-09-10 | 2014-02-12 | 深圳市特尔佳科技股份有限公司 | Hydraulic retarder oil path structure capable of reducing no-load loss |
| CN104875733A (en) * | 2014-02-28 | 2015-09-02 | 林会明 | Hydraulic retarder control system and control method |
| CN106402209A (en) * | 2016-11-25 | 2017-02-15 | 北京理工大学 | Hydrodynamic retarder filling factor electro-hydraulic proportional control system with feedback function |
| 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 |
| CN208686849U (en) * | 2018-04-17 | 2019-04-02 | 遵义师范学院 | A kind of oil piping system for Vehicle Hydraulic Retarder |
| CN209604446U (en) * | 2018-12-06 | 2019-11-08 | 江西波特尔汽车配件制造有限公司 | A kind of Retarder idle running cooling and lubricating oil circuit system with regulating valve |
| CN209604447U (en) * | 2018-12-06 | 2019-11-08 | 江西波特尔汽车配件制造有限公司 | A kind of Retarder idle running cooling and lubricating oil circuit system |
| CN111043198A (en) * | 2020-02-22 | 2020-04-21 | 富奥汽车零部件股份有限公司 | Stator preposed hydrodynamic retarder |
| CN213176579U (en) * | 2020-02-22 | 2021-05-11 | 富奥汽车零部件股份有限公司 | Stator preposition hydraulic 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 |
| WO2021174496A1 (en) * | 2020-03-02 | 2021-09-10 | 任峰 | Magnetorheological fluid retarder and control method therefor |
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| CN114321222A (en) | 2022-04-12 |
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