CN103921839A - Throttling valve, hydraulic power steering system and vehicle - Google Patents
Throttling valve, hydraulic power steering system and vehicle Download PDFInfo
- Publication number
- CN103921839A CN103921839A CN201410181668.0A CN201410181668A CN103921839A CN 103921839 A CN103921839 A CN 103921839A CN 201410181668 A CN201410181668 A CN 201410181668A CN 103921839 A CN103921839 A CN 103921839A
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- valve rod
- oil
- flow regulating
- regulating valve
- valve
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- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 13
- 230000001105 regulatory effect Effects 0.000 claims description 78
- 230000013011 mating Effects 0.000 claims description 12
- 239000003921 oil Substances 0.000 description 134
- 239000012530 fluid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
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Abstract
The invention discloses a throttling valve, a hydraulic power steering system comprising the throttling valve and a vehicle comprising the hydraulic power steering system. The throttling valve comprises an oil inlet (11), an oil outlet (12) and normally-opened oil ducts (13) communicated with the oil inlet and the oil outlet. A containing cavity (15) is further formed in the throttling valve. One end, facing towards the oil inlet, of the containing cavity is provided with a valve body turn-on hole (16) communicated with the oil inlet. A valve rod (21) is arranged in the containing cavity in a sliding mode. One end, facing towards the oil outlet, of the containing cavity is provided with a stopper (24). One end of the valve rod is provided with a sealing matching portion (23). An elastic part (22) is arranged between the valve rod and the stopper. The sealing matching portion seals the valve body turn-on hole at the sealing position of the valve rod under the effect of the elastic part. The oil inlet is communicated with the oil outlet through the valve body turn-on hole at the turn-on position of the valve rod. Through the arrangement, the throttling valve can effectively and timely reduce the oil pressure difference between the two ends of the throttling valve.
Description
Technical field
The present invention relates to vehicular field, particularly, relate to a kind of flow regulating valve, comprise the hydraulic power steering system of this flow regulating valve and comprise the vehicle of this hydraulic power steering system.
Background technology
Usually, most of vehicle adopts hydraulic power steering system according to the wish of chaufeur, to control the travel direction of automobile.In hydraulic power steering system, layout and trend due to oil pipe pipeline, make in Vehicle Driving Cycle, has larger pressure fluctuation in oil pipe.In addition,, when low vehicle speeds, because the oil pump capacity of power steerig pump is larger, so the fluid in oil pipe produces larger impact to oil pipe, thereby causes the fluctuation of oil pressure in oil pipe.In prior art, conventionally adopt the mode that increases flow regulating valve in flowing to the oil return line of oil sump tank to reduce the pressure fluctuation in oil pipe.Flow regulating valve of the prior art is the normal open oil duct of set aperture, when frequently spin fast to time turn to liquid (from the machine oil of power steerig pump) flow velocity to increase sharply, because existing flow regulating valve is set aperture, flow regulating valve both sides can produce pressure reduction, and pressure sharply increases, cause the junction of oil pipe and flow regulating valve to have disengagement risk; In addition, because pressure sharply changes, the oil temperature in steering swivel system constantly rises, and has aggravated the aging of steering swivel system oil pipe.In addition, because flow regulating valve both sides pressure reduction constantly increases, cause steering swivel system underfed, occur the phenomenon of hard steering.
Therefore, need a kind of flow regulating valve that can improve or eliminate the above-mentioned problems in the prior art.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of flow regulating valve, and this flow regulating valve can be effectively and reduced in time the oil pressure difference at its two ends.
In order to solve the problems of the technologies described above, the invention provides a kind of flow regulating valve, this flow regulating valve comprises oil inlet, the normal open oil duct of oil outlet and the described oil inlet of connection and described oil outlet, wherein, in described flow regulating valve, be also formed with container cavity, one end towards described oil inlet of described container cavity is formed with the valve body open hole being communicated with described oil inlet, in described container cavity, can be provided with slidably valve rod, and one end towards described oil outlet of this container cavity is provided with stop part, one end of described valve rod is provided with the portion of being sealed and matched, between described valve rod and described stop part, be provided with elastic component, wherein at the sealing station of described valve rod, the described portion that is sealed and matched seals described valve body open hole under the effect of described elastic component, open position at described valve rod, described oil inlet is communicated with described oil outlet via described valve body open hole.
Preferably, this flow regulating valve also comprises housing, described container cavity is formed in this housing, and in described housing, be also formed with compensation oil duct, wherein at the sealing station of described valve rod, described in described valve rod makes under the elastic force effect of described elastic component, the portion of being sealed and matched seals described valve body open hole, open position at described valve rod, described valve rod can make the portion of being sealed and matched of described valve rod depart from described valve body open hole by the oil pressure effect of described oil inlet, thereby make described oil inlet via described valve body open hole, container cavity is communicated with described oil outlet with compensation oil duct.
Preferably, on the chamber wall of described container cavity, be provided with for being communicated with the interface channel of described compensation oil duct and described container cavity.
Preferably, on described valve rod, be formed with the ring week flange part with described container cavity leak tightness bearing fit, this diameter that encircles all flange parts is greater than the diameter of the base portion of described valve rod, and described elastic component resilient mounting is between all flange parts of described ring and described stop part.
Preferably, at the described sealing station of described valve rod, all flange parts of described ring seal described interface channel, and in the open position of described valve rod, described interface channel is communicated with the interface channel of described compensation oil duct and described container cavity.
Preferably, on described stop part, be formed with outside thread to be arranged on one end towards described oil outlet of described container cavity by screw thread fit, on this stop part, be formed with valve rod mating holes, the other end of described valve rod extend in described valve rod mating holes and can in this valve rod mating holes, slide.
Preferably, the other end of described valve rod is formed with outside thread, the other end of this valve rod reach the outside of described valve rod mating holes and with stem nut screw thread fit, described stem nut is resisted against on described stop part.
Preferably, described elastic component is spring.
Preferably, the axis of described container cavity and the dead in line of described housing, and described normal open oil duct and described compensation oil duct in described housing around the circumferential directions of described container cavity.
On the basis of technique scheme, the present invention also provides a kind of hydraulic power steering system, this hydraulic power steering system comprises oil inlet and oil outlet pipe, wherein, described hydraulic power steering system also comprises flow regulating valve provided by the invention, described oil inlet is connected in the oil inlet of described flow regulating valve, and described oil outlet pipe is connected in the oil outlet of described flow regulating valve.
In addition, the present invention also provides a kind of vehicle, and wherein, this vehicle comprises above-mentioned hydraulic power steering system provided by the invention.
Pass through technique scheme, according to flow regulating valve provided by the invention, can reduce the oil pressure difference at flow regulating valve two ends, when the oil pressure difference at flow regulating valve two ends increases to a certain degree, under the effect of the oil pressure of oil inlet end, the elastic force that valve rod overcomes elastic component moves to open position from sealing station, thereby make pass through compensation oil duct and then flow out flow regulating valve by oil outlet from the fluid of oil inlet, increased in the unit time by the fluid flow of flow regulating valve, thereby reduced the oil pressure difference at flow regulating valve two ends.Hydrostatic steering system according to the present invention comprises above-mentioned flow regulating valve, therefore, when hydrostatic steering system is worked, by the pressure fluctuation of the fluid in the oil pipe in flow regulating valve reduction system, simultaneously, due to the flow regulating valve oil pressure difference of its both sides of balance timely, therefore, can effectively reduce the risk of the junction disengagement of oil pipe and flow regulating valve, and can keep the oil liquid temperature in oil pipe, alleviated the relevant catabiosis in steering swivel system.According to vehicle provided by the invention, comprise above-mentioned hydrostatic steering system, therefore, this vehicle has above-mentioned advantage equally.
Other features and advantages of the present invention partly in detail are described the specific embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the front view of throttling valve housing according to the embodiment of the present invention;
Fig. 2 is the cutaway view along A-A line dissects in Fig. 1;
Fig. 3 is the cutaway view along C-C line dissects in Fig. 1;
Fig. 4 is the cutaway view along D-D line dissects in Fig. 1;
Fig. 5 is the left view of the housing shown in Fig. 1;
Fig. 6 is the right elevation of the housing shown in Fig. 1;
Fig. 7 is the birds-eye view of throttling valve housing according to the embodiment of the present invention;
Fig. 8 is the cutaway view along B-B line dissects in Fig. 7;
Fig. 9 is according to the front view of the part of hydraulic power steering system of the present invention, comprising flow regulating valve according to the present invention, oil inlet and oil outlet pipe;
Figure 10 is the cutaway view along E-E line dissects in Fig. 9;
Figure 11 is according to the birds-eye view of flow regulating valve of the present invention and oil inlet and oil outlet pipe assembling;
Figure 12 is the cutaway view along F-F line dissects in Figure 11;
Figure 13 is according to the decomposition view of the part of hydraulic power steering system of the present invention;
Figure 14 is according to the decomposing schematic representation of the part except housing of flow regulating valve of the present invention.
Description of reference numerals
1 housing; 11 oil inlets; 12 oil outlets; 13 normal open oil ducts; 14 compensation oil ducts; 15 container cavities; 16 valve body open holes; 17 interface channels; 18 auxiliary holes; 19 blocking pins; 2 valve rod assemblies; 21 valve rods; 22 elastic components; 23 portions that are sealed and matched; 24 stop parts; 25 stem nuts; The all flange parts of 26 ring; 3 oil inlets; 4 oil outlet pipes; 5 first seal rings; 6 second seal rings.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
In the present invention, in the situation that not doing contrary explanation, the noun of locality of use refers to upper and lower, left and right with respect to the profile of each parts itself, inside and outside as " upper and lower, left and right, inside and outside ", but the above-mentioned noun of locality is not limited to the present invention.
According to an aspect of the present invention, a kind of flow regulating valve is provided, a kind of flow regulating valve, this flow regulating valve comprises oil inlet 11, the normal open oil duct 13 of oil outlet 12 and connection oil inlet 11 and oil outlet 12, wherein, in flow regulating valve, be also formed with container cavity 15, one end towards oil inlet 11 of container cavity 15 is formed with the valve body open hole 16 being communicated with oil inlet 11, in container cavity 15, can be provided with slidably valve rod 21, and one end towards oil outlet 12 of container cavity 15 is provided with stop part 24, one end of valve rod 21 is provided with the portion of being sealed and matched 23, between valve rod 21 and stop part 24, be provided with elastic component 22, wherein at the sealing station of valve rod 21, portion 23 closed valve open hole 16 under the effect of elastic component 22 is sealed and matched, open position at valve rod 21, oil inlet 11 is communicated with oil outlet 12 via valve body open hole 16.
Pass through technique scheme, the concrete principle of work of flow regulating valve that provided is according to an aspect of the present invention: when the oil pressure of oil inlet 11 ends reaches certain value (being assumed to F), the elastic force that elastic component 22 provides is less than F, thereby be not enough to make the portion that the is sealed and matched 23 closed valve open holes 16 of valve rod 21, therefore, in this case, valve rod 21 is in open position, valve body open hole 16 is opened, fluid from oil inlet 11 enters container cavity 15 by valve body open hole 16, and then flows out flow regulating valve by oil outlet 12; When the oil pressure of oil inlet 11 ends does not reach F value, valve rod 21 makes the portion that the is sealed and matched 23 closed valve open holes 16 of valve rod 21 under the elastic force effect of elastic component 22, therefore, in this case, valve rod 21 is in sealing station, from only flow through normal open oil duct 13 and then flow out flow regulating valve by oil outlet 12 of the fluid of oil inlet 11 ends.Therefore, flow regulating valve provided by the invention can reduce the difference of the oil pressure at oil inlet 11 places and the oil pressure at oil outlet 12 places.
Below in conjunction with Fig. 1 to Figure 14, describe the specific embodiment of the present invention in detail.For convenience of description with shown in the drawings, by following description, can know that flow divider valve comprises housing 1 and valve rod assembly 2 two parts, wherein, valve rod assembly 2 comprise valve rod 21, elastic component 22, the portion 23 that is sealed and matched, stop part, stem nut 25 and encircle all flange parts 26.
According in the flow regulating valve of the preferred embodiment of the present invention, as shown in Figure 8, flow regulating valve also comprises housing 1, described container cavity 15 is formed in this housing 1, and in described housing 1, be also formed with compensation oil duct 14, wherein at the sealing station of described valve rod 21, the described valve body open hole 16 of portion's 23 sealing is sealed and matched described in described valve rod 21 makes under the elastic force effect of described elastic component 22, open position at described valve rod 21, described valve rod 21 can make by the oil pressure effect of described oil inlet 11 portion that is sealed and matched 23 of described valve rod 21 depart from described valve body open hole 16, thereby make described oil inlet 11 via described valve body open hole 16, container cavity 15 is communicated with described oil outlet 12 with compensation oil duct 14.
On the chamber wall of container cavity 15, can be provided with for being communicated with the interface channel 17 of compensation oil duct 14 and container cavity 15.In forming the technique of interface channel 17, on the outer peripheral face of housing 1, be formed with corresponding auxiliary hole 18, this auxiliary hole 18 seals 19 sealings by blocking pin.
Preferably, as shown in Figure 10, Figure 12 and Figure 14, on valve rod 21, can be formed with the ring week flange part 26 with container cavity 15 leak tightness bearing fits, this diameter that encircles all flange parts 26 is greater than the diameter of the base portion of valve rod 21, and elastic component 22 resilient mountings are between all flange parts 26 of ring and stop part 24.
According in the preferred implementation of flow regulating valve of the present invention, as shown in figure 10, at the described sealing station of valve rod 21, encircle all flange part 26 sealing interface channels 17, in the open position of valve rod 21, interface channel 17 is communicated with the interface channel 17 of compensation oil duct 14 and container cavity 15.Therefore, what those skilled in the art can understand is, when valve rod 21 slides into open position from sealing station in container cavity 15, encircle all flange parts 26 and open gradually interface channel 17 along with the movement of valve rod 21, thereby make to enter the degree that the flow of fluid of compensation oil duct 14 opens along with interface channel 17 and change by container cavity 15 interface channel 17 of flowing through.Therefore,, when the oil pressure of oil inlet 11 ends is greater than F, this set can further regulate the difference of the oil pressure of oil inlet 11 ends and the oil pressure of oil outlet 12 ends.
According in a kind of embodiment of flow regulating valve of the present invention, on stop part 24, can be formed with outside thread to be arranged on one end towards oil outlet 12 of container cavity 15 by screw thread fit, and on this stop part 24, can be formed with valve rod mating holes, the other end of valve rod 21 extend in valve rod mating holes and can in this valve rod mating holes, slide.
The other end of valve rod 21 can be formed with outside thread, the other end of this valve rod 21 reach the outside of valve rod mating holes and with stem nut 25 screws thread fit, stem nut is resisted against on stop part 24, by this set, can regulate by the precession degree of regulating valve stem nut 25 minimum force (this minimum force equals F) that makes elastic component 22 deformation.
According in the preferred implementation of flow regulating valve of the present invention, elastic component 22 can be spring.This spring can have the multiple form that arranges, and preferably, as shown in Figure 10 and Figure 12, spring can be set on valve rod 21, and one end bias ring week flange part 26 of spring, other end bias voltage stop part 24.But the present invention is not limited thereto, on valve rod 21, not that while being provided with all flange parts 26 of ring, spring can also be set to the be sealed and matched portion 23 of its one end bias voltage as shown in Figure 10 and 12, other end bias voltage stop part 24.In addition, according in the another kind of embodiment of flow regulating valve of the present invention, elastic component 22 can one end bias voltage valve rod 21 towards the end of stop part 24, other end bias voltage stop part 24.
In order to optimize the space layout of the interior normal open oil duct 11 of housing 1, compensation oil duct 14 and container cavity 15 and to be convenient to produce, preferably, the dead in line of the axis of container cavity 15 and housing 1, and normal open oil duct 13 and compensation oil duct 14 circumferential directions around container cavity 15 in housing 1, normal open oil duct 13 can be set to a plurality of, and compensation oil duct 14 also can be set to a plurality of.According in the preferred implementation of flow regulating valve of the present invention, as shown in Figures 2 to 6, housing 1 comprises two normal open oil ducts 13 and two compensation oil ducts 14, and the arrangement of these two normal open oil ducts 13 and two compensation oil ducts 14 is for equidistantly to arrange around the circumferencial direction of container cavity 15.
According to a further aspect in the invention, a kind of hydraulic power steering system is provided, this hydraulic power steering system comprises oil inlet 3 and oil outlet pipe 4, wherein, described hydraulic power steering system also comprises flow regulating valve provided by the invention, oil inlet 3 is connected in the oil inlet 11 of described flow regulating valve, and described oil outlet pipe 4 is connected in the oil outlet 12 of described flow regulating valve.Particularly, described flow regulating valve is arranged in the oil return line that is connected in oil sump tank, by being arranged on first seal ring 5 of junction of the oil inlet 11 of oil inlet 3 and flow regulating valve, carry out the sealing of oil-feed place, by being arranged on second seal ring 6 of junction of the oil outlet 12 of oil outlet pipe 4 and flow regulating valve, carry out the sealing at fuel-displaced place.
In addition, the present invention also provides a kind of vehicle, and wherein, this vehicle comprises above-mentioned hydraulic power steering system.
As mentioned above, by flow regulating valve provided by the invention, can reduce the oil pressure difference at flow regulating valve two ends, in the description of the specific embodiment of above-mentioned flow regulating valve, describe the principle of work that flow regulating valve reduces the oil pressure difference at flow regulating valve two ends in detail, not repeat them here.Hydraulic power system provided by the invention comprises flow regulating valve provided by the invention, therefore, the hydraulic power system that invention provides can reduce the pressure fluctuation in hydraulic oil pipe by flow regulating valve, reduce the oil inlet end of flow regulating valve and the oil pressure of oil outlet end is poor, avoid the junction of oil pipe and flow regulating valve to have the risk of throwing off, the oil mass of the steering swivel system guaranteeing, has avoided the phenomenon of hard steering.In addition, due to the effect of flow regulating valve, the oil pressure in the hydraulic oil pipe in steering swivel system no longer sharply changes, so the fluid in hydraulic oil pipe can keep lower temperature, thereby has avoided the phenomenon that oil pipe is aging.Because vehicle provided by the invention comprises above-mentioned hydraulic power system, therefore, this vehicle has above-mentioned advantage equally.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present invention, also can carry out combination in any, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a flow regulating valve, this flow regulating valve comprises oil inlet (11), the normal open oil duct (13) of oil outlet (12) and connection described oil inlet (11) and described oil outlet (12), it is characterized in that, in described flow regulating valve, be also formed with container cavity (15), one end towards described oil inlet (11) of described container cavity (15) is formed with the valve body open hole (16) being communicated with described oil inlet (11), in described container cavity (15), can be provided with slidably valve rod (21), and one end towards described oil outlet (12) of this container cavity (15) is provided with stop part (24), one end of described valve rod (21) is provided with the portion of being sealed and matched (23), between described valve rod (21) and described stop part (24), be provided with elastic component (22), wherein at the sealing station of described valve rod (21), the described portion that is sealed and matched (23) seals described valve body open hole (16) under the effect of described elastic component (22), open position in described valve rod (21), described oil inlet (11) is communicated with described oil outlet (12) via described valve body open hole (16).
2. flow regulating valve according to claim 1, it is characterized in that, this flow regulating valve also comprises housing (1), described container cavity (15) is formed in this housing (1), and in described housing (1), be also formed with compensation oil duct (14), wherein at the sealing station of described valve rod (21), the portion (23) that is sealed and matched described in described valve rod (21) makes under the elastic force effect of described elastic component (22) seals described valve body open hole (16), open position in described valve rod (21), described valve rod (21) can make by the oil pressure effect of described oil inlet (11) portion that is sealed and matched (23) of described valve rod (21) depart from described valve body open hole (16), thereby make described oil inlet (11) via described valve body open hole (16), container cavity (15) and compensation oil duct (14) and being communicated with described oil outlet (12).
3. flow regulating valve according to claim 2, is characterized in that, is provided with for being communicated with the interface channel (17) of described compensation oil duct (14) and described container cavity (15) on the chamber wall of described container cavity (15).
4. flow regulating valve according to claim 3, it is characterized in that, on described valve rod (21), be formed with the ring week flange part (26) with described container cavity (15) leak tightness bearing fit, this diameter that encircles all flange parts (26) is greater than the diameter of the base portion of described valve rod (21), and described elastic component (22) resilient mounting is between all flange parts of described ring (26) and described stop part (24).
5. flow regulating valve according to claim 4, it is characterized in that, described sealing station at described valve rod (21), the all flange parts of described ring (26) seal described interface channel (17), open position in described valve rod (21), described interface channel (17) is communicated with the interface channel (17) of described compensation oil duct (14) and described container cavity (15).
6. flow regulating valve according to claim 2, it is characterized in that, on described stop part (24), be formed with outside thread to be arranged on one end towards described oil outlet (12) of described container cavity (15) by screw thread fit, this stop part is formed with valve rod mating holes on (24), and the other end of described valve rod (21) extend in described valve rod mating holes and can in this valve rod mating holes, slide.
7. flow regulating valve according to claim 6, it is characterized in that, the other end of described valve rod (21) is formed with outside thread, the other end of this valve rod (21) reach the outside of described valve rod mating holes and with stem nut (25) screw thread fit, described stem nut is resisted against on described stop part (24).
8. according to the flow regulating valve described in any one in claim 2-7, it is characterized in that, the dead in line of the axis of described container cavity (15) and described housing (1), and described normal open oil duct (13) and described compensation oil duct (14) in described housing (1) around the circumferential directions of described container cavity (15).
9. a hydraulic power steering system, this hydraulic power steering system comprises oil inlet (3) and oil outlet pipe (4), it is characterized in that, described hydraulic power steering system also comprises according to the flow regulating valve described in any one in claim 1-8, described oil inlet (3) is connected in the oil inlet (11) of described flow regulating valve, and described oil outlet pipe (4) is connected in the oil outlet (12) of described flow regulating valve.
10. a vehicle, is characterized in that, this vehicle comprises hydraulic power steering system according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181668.0A CN103921839B (en) | 2014-04-30 | 2014-04-30 | Flow regulating valve, hydraulic power steering system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181668.0A CN103921839B (en) | 2014-04-30 | 2014-04-30 | Flow regulating valve, hydraulic power steering system and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103921839A true CN103921839A (en) | 2014-07-16 |
| CN103921839B CN103921839B (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410181668.0A Expired - Fee Related CN103921839B (en) | 2014-04-30 | 2014-04-30 | Flow regulating valve, hydraulic power steering system and vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN103921839B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010036412A1 (en) * | 2000-04-27 | 2001-11-01 | Hideo Konishi | Variable displacement pump |
| JP2002127925A (en) * | 2000-10-23 | 2002-05-09 | Unisia Jkc Steering System Co Ltd | Steering damper |
| CN2835678Y (en) * | 2005-10-15 | 2006-11-08 | 浙江恒隆万安泵业有限公司 | Steering pump flow control device |
| EP2282091A1 (en) * | 2009-08-06 | 2011-02-09 | Kayaba Industry Co., Ltd. | Proportional electromagnetic flow control valve |
| CN201769878U (en) * | 2010-07-21 | 2011-03-23 | 浙江恒隆万安泵业有限公司 | Steering oil pump flow control structure |
| CN102032375A (en) * | 2010-12-01 | 2011-04-27 | 瑞立集团瑞安汽车零部件有限公司 | Flow control valve of steering pump |
| CN102537454A (en) * | 2012-01-04 | 2012-07-04 | 浙江盾安机械有限公司 | Differential pressure throttle valve |
-
2014
- 2014-04-30 CN CN201410181668.0A patent/CN103921839B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010036412A1 (en) * | 2000-04-27 | 2001-11-01 | Hideo Konishi | Variable displacement pump |
| JP2002127925A (en) * | 2000-10-23 | 2002-05-09 | Unisia Jkc Steering System Co Ltd | Steering damper |
| CN2835678Y (en) * | 2005-10-15 | 2006-11-08 | 浙江恒隆万安泵业有限公司 | Steering pump flow control device |
| EP2282091A1 (en) * | 2009-08-06 | 2011-02-09 | Kayaba Industry Co., Ltd. | Proportional electromagnetic flow control valve |
| CN201769878U (en) * | 2010-07-21 | 2011-03-23 | 浙江恒隆万安泵业有限公司 | Steering oil pump flow control structure |
| CN102032375A (en) * | 2010-12-01 | 2011-04-27 | 瑞立集团瑞安汽车零部件有限公司 | Flow control valve of steering pump |
| CN102537454A (en) * | 2012-01-04 | 2012-07-04 | 浙江盾安机械有限公司 | Differential pressure throttle valve |
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| Publication number | Publication date |
|---|---|
| CN103921839B (en) | 2016-04-06 |
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