CN103786706A - Cylinder for piston pump, hydraulic vehicle brake system, and method for assembling piston pump - Google Patents

Cylinder for piston pump, hydraulic vehicle brake system, and method for assembling piston pump Download PDF

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Publication number
CN103786706A
CN103786706A CN201310516265.2A CN201310516265A CN103786706A CN 103786706 A CN103786706 A CN 103786706A CN 201310516265 A CN201310516265 A CN 201310516265A CN 103786706 A CN103786706 A CN 103786706A
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CN
China
Prior art keywords
cylinder
control cock
piston pump
valve
described control
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Granted
Application number
CN201310516265.2A
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Chinese (zh)
Other versions
CN103786706B (en
Inventor
A·韦
O·格特纳
M·比勒尔
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of CN103786706A publication Critical patent/CN103786706A/en
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Publication of CN103786706B publication Critical patent/CN103786706B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/1002—Ball valves
    • F04B53/1007—Ball valves having means for guiding the closure member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/36—Other control devices or valves characterised by definite functions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/02—Arrangements of pumps or compressors, or control devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4031—Pump units characterised by their construction or mounting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0421—Cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00

Abstract

The invention relates to a cylinder for a piston pump, a hydraulic vehicle brake system, and a method for assembling the piston pump, and specifically relates to a cylinder (1) for the piston pump of a hydraulic vehicle brake system. To simplify assembly, a discharge valve (9) of the piston pump is configured to an assembly which can be operated like a single component. The discharge valve (9) is fixed on the cylinder (1) of the piston pump after being assembled.

Description

For cylinder, the hydraulic vehicle brake system of piston pump and the method for assembling piston pump
Technical field
The present invention relates to there is claim 1, described in 8 and 9 preambles the piston pump for hydraulic vehicle brake system of feature cylinder, with the hydraulic vehicle brake system of this piston pump and for assembling the method for piston pump.In the hydraulic vehicle brake system of anti-slip regulation piston pump for by braking liquid from wheel braking cylinder be transmitted back to main brake cylinder for during anti-slip regulation, reduce wheel brake pressure and set up brake-pressure and vehicle outer force braking system for setting up brake-pressure.In the motor vehicle braking system of anti-slip regulation, this piston pump is also referred to as dump pump.
Background technology
Open source literature DE102010040819A1 discloses a kind of piston pump for hydraulic vehicle brake system, and it is with the tubular cylinder that also can be regarded as cylinder liner, and piston is can axially movable mode being contained in this cylinder.Realize input by piston, be provided with and enter valve in the end that is arranged in cylinder of piston.The discharge-service valve of known piston pump is externally arranged on the bottom of cylinder.Two valves of known piston pump are the boiler check valve with the version of spring-loaded ball valve.These valves can be called as control cock conventionally, through-flow, the through-flow direction exactly of its control plunger pump.The discharge-service valve of known piston pump has valve casing, accommodates valve and close spring and the spheroid as control volume in this valve casing.This valve cuts out spring makes control volume press the valve seat of hollow truncate taper, and this valve seat forms at the gangway place of the axially extending bore through cylinder bottom portion.Only and only have in the time that valve casing is fixed on the cylinder place of piston pump, control volume and valve are closed spring and are just maintained in valve casing, and this makes the assembling of piston pump more difficult.
Summary of the invention
Have the cylinder of feature described in claim 1 and have the control cock through-flow for control plunger pump according to of the present invention, this control cock is fixed on cylinder.This control cock is configured to assembly set, and it comprises all parts, the especially control volume of control cock and also comprise that if present valve cuts out spring, and these parts are kept together.Be configured to assembly set by control cock, this control cock can be processed after its assembling as single part, and this has simplified its manipulation, fixing and the assembling of piston pump at cylinder place.The valve seat of control cock can for example be configured in cylinder place outside control cock.Preferably, the control cock that is configured to assembly set also comprises valve seat.Compared with assembling each single part of control cock, on the cylinder that control cock is arranged on to piston pump time, also by it, the structural scheme as assembly set is simplified in the assembling of control cock.
The content of dependent claims is of the present invention favourable design plan and the improvement project providing in claim 1.
Claim 3 stipulates, cylinder and the Packed connection of control cock tool.This connection can be for example force fit or be threaded.The connection of sealing refers to, also makes control cock in the sealing of cylinder place, and do not need independent sealing member, for example seal ring or sealing substance along with control cock is fixed on cylinder place.The radial flange that the connection of this sealing for example realizes by force fit or clings to hermetically with consistent fitting surface or in the time being screwed on fitting surface by the abutment face of taper in the situation that being threaded is realized.
Preferably, right rather than compulsory, control cock is boiler check valve (claim 4).For example also contemplated that the valve of for example mechanically, dynamo-electricly, pneumatically or hydraulically controlling, wherein, boiler check valve also can be regarded as hydraulically and controls.
Claim 5 stipulates, the control cock that is fixed on cylinder place is the discharge-service valve of piston pump.Also feasible, it flows through piston pump in this case on the contrary for entering valve.
The content of claim 6 is as the disc valve of control cock or piston valve, that is, its control volume is the control cock of dish type or piston.At this, dish can be regarded as short piston.Described valve for example has inlet port and the discharge orifice at the periphery place of control volume, and described inlet port and discharge orifice are unlocked in the time opening valve.The cross-sectional plane of the inlet port of being opened by control volume in the time opening valve or the cross-sectional area of discharge orifice is relevant to stroke, that is to say the Range-based with control volume and valve seat.In this design plan of the present invention, the resistance to flow of control cock changes according to the stroke of control volume, and control cock is used as the restriction with controlled resistance to flow in the time opening.Thus, reduced the pressure pulsation in the time opening and closing control cock.
Claim 8 for be the application of the above-described cylinder that is fixed with control cock on it in the motor vehicle braking system of hydraulic pressure anti-slip regulation and/or the piston pump of vehicle outer force braking system.
The content of claim 9 is assemblings of the piston pump for hydraulic vehicle brake system with good grounds cylinder of the present invention, and the control cock of above description type is fixed on this cylinder.According to the present invention, this control cock is assembled into assembly set and is fixed on subsequently on cylinder.
Accompanying drawing explanation
Explain in detail the present invention according to embodiment illustrated in the accompanying drawings below.Wherein:
Fig. 1 show with good grounds cylinder of the present invention, for the axial cutaway view of the piston pump of hydraulic vehicle brake system;
Fig. 2 shows the transverse sectional view of the piston pump control cock of cutting open along the line II-II in Fig. 1; And
Fig. 3 shows according to the axial cutaway view of the second embodiment of the control cock for Fig. 1 piston pump of the present invention.
The specific embodiment
Fig. 1 shows the cylinder 1 of the piston pump of vehicle according to the invention hydraulic brake system.This cylinder 1 is tubular, and it also can be regarded as cylinder liner.The piston 2 of piston pump is contained in cylinder 1 in mode that can axial motion.The reciprocal driving of axial reciprocating is arranged to do by means of unshowned eccentric wheel in the end that this piston 2 stretches out and stretches out from cylinder 1 at it from cylinder 1.In the end that is arranged in cylinder 1 of piston 2, the gangway place that enters valve 3 and be arranged in the axial blind hole 4 in piston 2 of ball-valve structure form.This enters valve 3 for spring-loaded boiler check valve, and it is positioned in valve cage 5.This valve cage 5 is remained on being arranged on cylinder 1 distolateral of piston 2 by piston return spring 6.This piston return spring 6 is arranged between piston 2 and the bottom 7 of cylinder 1 in cylinder 1, this piston return spring 6 is supported on the bottom 7 of cylinder 1, and piston 2 is loaded, and the end that piston 2 is stretched out from cylinder 1 with it comes on unshowned eccentric wheel and back and forth drives for it.The transverse holes 8 and the same axial blind hole in piston 24 crossing with transverse holes 8 that enter by intersecting each other of braking liquid or generally speaking fluid are realized.
Cylinder 1 have piston 2 from the open end that wherein stretches out and with the closed end of cylinder 1 all-in-one-piece processed bottom 7.Bottom 7 has axial through hole, and the discharge-service valve 9 of piston pump is fixed in this through hole.In shown embodiment, discharge-service valve 9 is similarly the spring-loaded boiler check valve of ball-valve structure form.This means, control volume 10 is balls.Discharge-service valve 9 has tubular housing 11, the spheroid of formation control body 10 and being contained in tubular housing 11 as the helical compression spring that valve cuts out spring 12.Valve cuts out spring 12 and is supported on perforated washer 13 and control volume 10 is pressed against on the valve seat 14 of taper, and valve casing 11 internally attenuates to the direction of cylinder 1 by this valve seat 14.Perforated washer 13 is maintained in valve casing 11 by binding ring 15, and this binding ring 15 is inserted in the groove at the gangway place away from cylinder of valve casing 11.
Valve casing 11 has flange 16 in outside, flange externally abuts on the bottom 7 of cylinder 1.The centre hole that valve casing 11 is passed in bottom 7 stretches in cylinder 1 a bit of.The major part of valve casing 11 is outwards stretched out from the bottom 7 of cylinder 1.Valve casing 11 is pressed in the centre hole in the bottom 7 of cylinder 1, and the flange 16 of valve casing 11 is at the force fit at 7 places, bottom of cylinder 1 and recline and form the connection of sealing, and it makes discharge-service valve 9 be fixed on cylinder 1 place and simultaneously at cylinder 1 place's sealing valve casing 11.Be connected with the replacement seal of the cylinder 1 of piston pump as discharge-service valve 9, for example, also can imagine and being threaded of negative thread in the outside thread at valve casing 11 places and the centre hole in the bottom 7 of cylinder 1, valve casing 11 is screwed into (not shown) in described negative thread.In this case, abut on the outside of bottom 7 of cylinder 1 and realize sealing by the flange 16 of valve casing 11.
According to the present invention, discharge-service valve 9 is configured to such assembly set, that is, its all single parts, to close spring 12 with valve casing 11, control volume 10 and the valve of valve seat 14 in particular combined and be assemblied in valve casing 11, thereby can as a single part, process discharge-service valve 9.Each single part of discharge-service valve 9 is assembled into the assembly set that forms discharge-service valve 9 and cylinder 1 place that subsequently discharge-service valve 9 is fixed on to piston pump.Simplify thus assembling.
Ball valve is not compulsory as the version of discharge-service valve 9 for the present invention, and discharge-service valve 9 also can have the control volume different from spheroid and it can not have spring yet.Equally, although boiler check valve is preferred for the present invention, but it neither be compulsory.Also can imagine the valve that (for example mechanically, electromagnetic ground, pneumatically or hydraulically) control, wherein, boiler check valve also can be regarded as the valve of fluid control.Same preferred but optional, the discharge-service valve that the valve that is fixed on cylinder 1 place is piston pump.Also can imagine in the time that the throughput direction that makes piston pump is reverse the valve that is fixed on cylinder 1 place is arranged to enter valve (not shown).Therefore, enter valve 3 and discharge-service valve 9 and also can briefly be interpreted as the piston pump control cock of control plunger pump through-flow direction.
As found out in can the transverse sectional view in Fig. 2, valve casing 11 has groove 17 and the bridging part 18 of inner axially parallel.This bridging part 18 axially guides control volume 10, and in the time that control volume in the time opening discharge-service valve 9 10 lifts from valve seat 14, groove 17 is formed for the bypass of circulation control volume 10.
Fig. 3 shows alternative discharge-service valve 9, and it is fixed on the cylinder 1 of piston pump as the discharge-service valve 9 in Fig. 1.Replace spheroid, discharge-service valve 9 shown in Figure 3 has piston 19 as control volume, and it is closed spring 12 by valve and loads and come on valve seat 14., discharge-service valve 9 is piston valve.This discharge-service valve 9 is also configured to assembly set and installation and is assemblied in valve casing 11, thereby also can as a single part, process after its assembling.In perisporium, discharge-service valve 9 has hole 20, and this hole is covered by piston 19 in the time that discharge-service valve 9 is closed, and increasing along with stroke, that is to say along with piston 19 from the distance of valve seat 14 increase and described in while opening hole 20 be unlocked.The size of through-flow of being opened by piston 19 in the time opening in hole 20 is relevant to the stroke of piston 19, that is to say and the Range-based of piston 19 from valve seat 14.Discharge-service valve 9 relevant to stroke through-flow in the time that discharge-service valve 9 parts are opened as restriction and reduce the compression shock in the time opening and closing discharge-service valve 9.Hole 20 forms the discharge orifice of piston pump, and as entering in the unshowned structural scheme of valve of valve, hole 20 can form the inlet port of piston pump.Groove and bridging part on the inner side of valve casing 11 in Fig. 3, are saved.
The discharge-service valve 9 of drawing in Fig. 3 is identical with the discharge-service valve 9 in Fig. 1 in other side, works in an identical manner and is arranged for identical application.For fear of repetition, with reference to explanation the supplementing as the explanation to Fig. 3 of figure 1.
As described; this piston pump is arranged for motor vehicle braking system and/or vehicle external force (Fremdkraft) brake system of unshowned hydraulic pressure anti-slip regulation; at this; it is for anti-slip regulation; for example anti-lock protection, drive anti-slip regulation and/or driving dynamics to regulate, and/or in the vehicle outer force braking system of hydraulic pressure for generation of brake-pressure.In anti-slip regulation, this piston pump is also referred to as dump pump (even if not being that any situation is all suitable for).Often use abbreviation ABS, ASR, FDR and ESP for described anti-slip regulation.Driving dynamics is adjusted in word and is also referred to as " centrifugal protection adjusting ".

Claims (9)

1. the cylinder for the piston pump of hydraulic vehicle brake system, described cylinder has the through-flow control cock (9) for controlling described piston pump, described control cock (9) is fixed on described cylinder (1), it is characterized in that, described control cock (9) is assembly set, it comprises all parts (10,11,12,19) of described control cock (9) and these parts is kept together, thereby described control cock can operate as single part.
2. cylinder according to claim 1, is characterized in that, described cylinder (1) has the bottom (7) with through hole, and described control cock (9) is fixed on described through hole.
3. cylinder according to claim 1, is characterized in that, described cylinder (1) and the Packed connection of described control cock (9) tool.
4. cylinder according to claim 1, is characterized in that, described control cock (9) is boiler check valve.
5. cylinder according to claim 1, is characterized in that, described control cock (9) is the discharge-service valve of described piston pump.
6. cylinder according to claim 1, it is characterized in that, described control cock (9) is disc valve or piston valve and inlet port or the discharge orifice (20) with side direction, and control volume in the time opening valve (19) is opened described inlet port or discharge orifice relevant to stroke through-flow.
7. cylinder according to claim 1, it is characterized in that, described control cock (9) has control volume (10) and surrounds bridging part (18) and the groove (17) of described control volume (10), wherein, described bridging part (18) guides described control volume (10) in valve travel, and described groove (17) is formed for the bypass of control volume (10) described in circulation in the time that control cock (9) is opened.
8. the hydraulic vehicle brake system with piston pump, described piston pump has cylinder (1) and for controlling the through-flow control cock (9) of described piston pump, described control cock (9) is fixed on described cylinder (1), it is characterized in that, described control cock (9) is assembly set, it comprises all parts of control cock (9) and these parts is kept together, thereby described control cock can operate as single part.
9. one kind for assembling the method for piston pump of hydraulic vehicle brake system, wherein, described piston pump has cylinder (1) and for controlling the through-flow control cock (9) of described piston pump, it is characterized in that, described control cock (9) is assembled into an assembly set and is fixed on subsequently on described cylinder (1).
CN201310516265.2A 2012-10-30 2013-10-28 Method for the cylinder of piston pump, hydraulic vehicle brake system and assembling piston pump Active CN103786706B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012219820.2 2012-10-30
DE201210219820 DE102012219820A1 (en) 2012-10-30 2012-10-30 Cylinder for piston pump of hydraulic vehicle brake system, has control valve, which is designed as assembly, which comprises all sections of control valve and hold all sections together so that it is handled as individual part

Publications (2)

Publication Number Publication Date
CN103786706A true CN103786706A (en) 2014-05-14
CN103786706B CN103786706B (en) 2016-07-06

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CN201310516265.2A Active CN103786706B (en) 2012-10-30 2013-10-28 Method for the cylinder of piston pump, hydraulic vehicle brake system and assembling piston pump

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CN (1) CN103786706B (en)
DE (1) DE102012219820A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016222576A1 (en) * 2016-11-16 2018-05-17 Robert Bosch Gmbh Valve assembly, brake system and method of operating a valve assembly
DE102017216900A1 (en) 2017-09-25 2019-03-28 Robert Bosch Gmbh Pressure medium control valve, in particular for controlling a flow direction in a pressure medium circuit and piston pump, in particular for the promotion of a pressure medium in an electronically slip-regulated vehicle brake system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6193481B1 (en) * 1997-05-21 2001-02-27 Robert Bosch Gmbh Piston pump
DE10118925C1 (en) * 2001-04-18 2003-01-09 Bosch Gmbh Robert Piston pump, for conveying liquid, comprises a pump piston positioned so that it moves axially backward and forward in a pump bore in a pump housing, and a filter inserted in the pump piston
US20030047993A1 (en) * 2001-06-27 2003-03-13 Unisia Jecs Corporation Hydraulic pump unit for vehicle brake control system
CN101479472A (en) * 2006-06-27 2009-07-08 罗伯特.博世有限公司 Piston pump for a vehicle braking system with a sealing element
CN102652224A (en) * 2010-08-23 2012-08-29 北京京西重工有限公司 High performance electronic stability control pump assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010040819A1 (en) 2010-09-15 2012-03-15 Robert Bosch Gmbh Method for producing a piston pump and piston pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6193481B1 (en) * 1997-05-21 2001-02-27 Robert Bosch Gmbh Piston pump
DE10118925C1 (en) * 2001-04-18 2003-01-09 Bosch Gmbh Robert Piston pump, for conveying liquid, comprises a pump piston positioned so that it moves axially backward and forward in a pump bore in a pump housing, and a filter inserted in the pump piston
US20030047993A1 (en) * 2001-06-27 2003-03-13 Unisia Jecs Corporation Hydraulic pump unit for vehicle brake control system
CN101479472A (en) * 2006-06-27 2009-07-08 罗伯特.博世有限公司 Piston pump for a vehicle braking system with a sealing element
CN102652224A (en) * 2010-08-23 2012-08-29 北京京西重工有限公司 High performance electronic stability control pump assembly

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Publication number Publication date
DE102012219820A1 (en) 2014-04-30
KR20140056049A (en) 2014-05-09
CN103786706B (en) 2016-07-06

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