CN103270299A - Piston pump having a cylinder barrel - Google Patents
Piston pump having a cylinder barrel Download PDFInfo
- Publication number
- CN103270299A CN103270299A CN2011800617129A CN201180061712A CN103270299A CN 103270299 A CN103270299 A CN 103270299A CN 2011800617129 A CN2011800617129 A CN 2011800617129A CN 201180061712 A CN201180061712 A CN 201180061712A CN 103270299 A CN103270299 A CN 103270299A
- Authority
- CN
- China
- Prior art keywords
- lining
- valve
- reciprocating pump
- piston
- closure member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
-
- 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
-
- 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
- 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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
- F04B53/166—Cylinder liners
-
- 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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
- F04B53/162—Adaptations of cylinders
- F04B53/166—Cylinder liners
- F04B53/168—Mounting of cylinder liners in 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
- 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
- F04B53/22—Arrangements for enabling ready assembly or disassembly
Abstract
In a piston pump (10) for delivering fluids, having a piston (16) which can be driven so as to perform a reciprocating stroke movement, having a cylinder barrel (26) in which the piston (16) is held in an axially displaceable manner, and having a displacement chamber (18) which is arranged in the cylinder barrel (26) between an inlet valve (40) and an outlet valve (72), wherein the outlet valve (72) is arranged on a cylinder barrel base (64), there is formed, on that side of the cylinder barrel base (64) which faces away from the displacement chamber (18), an annular projection (67) which surrounds an installation space (69) for the outlet valve (72).
Description
Technical field
The present invention relates to a kind of reciprocating pump for delivery of fluid, it has to be driven into makees the pistons reciprocating that moves into and shift out and can accommodate the lining of piston therein with moving axially and be arranged in the extrusion chamber that enters between valve and the expulsion valve in lining, wherein, expulsion valve is arranged in the sleeve place.
Background technique
The reciprocating pump of known employing different designs scheme.This reciprocating pump is applied in the Motor Vehicle that has hydraulic vehicle brake equipment.Known reciprocating pump comprises and enters valve, expulsion valve and extrusion chamber, active chamber or pressure chamber that it is arranged in and enters between valve and the expulsion valve.Extrusion chamber is arranged in the pumping cylinder, and at this, pumping cylinder forms lining and has the shape of jar shape basically usually.Construct through flow hole in the sleeve of pumping cylinder, it is opened or is sealed by expulsion valve.Usually the expulsion valve that is configured to safety check is arranged at this discharges in the valve gap, and this discharge valve gap is sleeved on the lining from the outside.Also be configured with the outflow portion in the pressure piping in discharging valve gap, the fluid, the particularly brake fluid that are under the pressure are drawn out in this pressure piping.
In braking equipment, reciprocating pump for example is used for carrying back main braking cylinder and/or for brake fluid from tank be transported to one or more wheel braking cylinders from one or more wheel braking cylinders brake fluid.
Have vehicle wheel non-slip regulating system (ABS or ASR), driving in the vehicle brake apparatus of anti-slip regulation system (TCS) and/or needing this reciprocating pump as turning in the auxiliary braking equipment (FDR) and/or in electro-hydraulic brake equipment (EHB) or Electronic Stability Program (ESP) (ESP).
Known a kind of reciprocating pump for delivery of fluid from document DE 10 2,006 027 555 A1, it has piston, cylinder element and is arranged in the pressure chamber that enters between valve and the expulsion valve, and wherein, expulsion valve comprises closure body, pre-tightening apparatus and disc elements.Expulsion valve is arranged in the cap, and is implemented to outflow in the pressure piping by this cap.The sealing seat of expulsion valve is arranged on the disc elements.
When opening expulsion valve, because the noise that the tolerance of size of single parts may occur not expecting.Therefore have such demand, just optimization is used as ABS-, ASR-or the reciprocating pump of ESP-pump element and the assembling that improves the single parts of such reciprocating pump aspect its noise emission.
Summary of the invention
According to the present invention, a kind of reciprocating pump for delivery of fluid is proposed, it has the piston that can be driven into the linear reciprocating motion of makeing shift-in and shifting out and can hold the lining of piston therein with moving axially and be arranged in the extrusion chamber that enters between valve and the expulsion valve in lining, wherein, expulsion valve is arranged in the sleeve place.On a side that deviates from extrusion chamber of sleeve, be configured with the protuberance of the annular of lining, it surrounds the installing space that is used for expulsion valve.
According to the present invention, single lining and two functional units mutually combine, that is, on the one hand be extrusion chamber and be installing space for expulsion valve on the other hand.Thus, for according to reciprocating pump of the present invention, simplifying of hydraulic vehicle brake equipment assembling and provide more spaces for vibration reducing measure or for the device that is used for vibration damping in addition.
Also can reduce the tolerance of size of parts and reduce noise thus to form by these measures.
Hydraulic piston pump comprises columniform piston, and it is bearing in the cylindrical hole in the mode that can move into and shift out in the lining of the shape that has basically jar shape.Lining particularly is inserted in the cylindrical hole of pump case of the reciprocating pump in the hydraulic block.In the inner space of the cylindrical hole of lining, be provided with what fluid was filled and entering pressure span or pressure chamber between valve and the expulsion valve.When piston shifts out from cylinder, in the pressure span, set up negative pressure and piston and by entering valve fluid is drawn in the pressure span.On the contrary, when moving into, piston is pressed into fluid for the hydraulic system of doing work by expulsion valve from the pressure span.Be configured with through flow hole in the bottom of lining, it is discharged from valve and opens or closes.
Expulsion valve has closure body, and it advantageously constructs balling-up or plate.Preferably, the protuberance combination of lining and annular or protuberance that should annular are configured to protuberance at the hollow cylinder at lining place in the mode on the lining of being connected to, to be used for holding expulsion valve in the inside of the protuberance of open circles shaping.This advantage that has is parts, for example closure body, spring and the inner space that can be arranged in the protuberance of hollow cylinder for the device that reduces noise from the expulsion valve side under the situation of simple assembling (also can carry out this assembling as a rule in the opposite direction).
The expulsion valve that preferably is configured to safety check is arranged in being connected in the part on the lining of protuberance at this, and also is configured with the outflow portion in the pressure piping of associated pump housing in protuberance.Advantageously, this outflow portion by means of around reentrant part and radial passage form.Preferably, around reentrant part be configured on the lining in a side that deviates from extrusion chamber, and the radial passage preferably connects installing space and the reentrant part of expulsion valve.At this, expulsion valve advantageously comprises closure body, is used for the pre-tightening apparatus of pretension closure body and the base components that is used for supporting pre-tightening apparatus.
At this, the lining of reciprocating pump can be configured to longer dimensionally, can provide additional more spaces for possible vibration reducing measure in the zone of expulsion valve thus.
Advantageously, the closure member of seal cap form is attached on the protuberance of annular.This closure member advantageously by packing in lining and with regard to it self by packing in pump case.Alternatively, this closure member also can only be sleeved on the protuberance of lining and only by packing in pump case, to be used for realizing being used in this zone fluid position fixing part sealing and absorbability of closure member.That is, generally speaking, closure member is integrated in the lining and is interconnected to a unit with it, makes the noise that has reduced thus not expect by opening of expulsion valve form.
The closure member that is integrated that is preferably designed so that the integrated seal cap of discharging valve gap or expulsion valve is preferably made of aluminum.This has guaranteed corrosion protection and packing reliably in pump case to external world.Aluminium has such ductility, that is, and and can be simply, form fit connects ground and power transmission and connect ground and realize the packing of closure member in the shell body wall of lining.
Description of drawings
The schematic accompanying drawing of following basis is explained the embodiment according to solution of the present invention in detail.Wherein:
Fig. 1 shows the lining that has in the associated pump housing and the longitudinal sectional view according to reciprocating pump of the present invention of closure member, and
Fig. 2 shows according to the lining of Fig. 1 stereogram together with the closure member of reciprocating pump.
Embodiment
Figure 1 illustrates reciprocating pump 10, it is included in the step-like cylindrical hole 12 in the hydraulic block, and this hydraulic block forms pump case 14.That hydraulic block (only showing the part of the encirclement reciprocating pump 10 of this hydraulic block in the accompanying drawings) is regulated for skidding, the constituent element of unshowned hydraulic vehicle brake equipment in addition.Except reciprocating pump 10, other hydraulic unit, be inserted in this hydraulic block and hydraulically be coupled to each other and link with reciprocating pump 10 according to the present invention as solenoid valve or Pressure energy accumulator.
Reciprocating pump 10 has piston 16, and its end away from extrusion chamber 18 is directed in pump case 14 by first guided rings 20 and seals by seal ring 22.The another side of piston 16 is directed in the lining 26 of reciprocating pump 10 by second guided rings 24 and passes through seal ring 28 sealing to the end of extrusion chamber 18.Lining 26 utilizes press fit to be inserted in the cylindrical hole 12 of pump case 14.This press fit cause the approaching side of reciprocating pump 10 and discharge between the side, that is to say the sealing between low voltage side and high pressure side.
For the pump input part, in piston 16, introduce axial blind hole 30 from the side in the face of extrusion chamber 18, it intersects with transverse holes 32 near its bottom.Blind hole 30 and transverse holes 32 communicate with ostium 38 by the window portion 34 in the peripheral wall 36 of lining 26, and this ostium radially is introduced in the hydraulic block that forms pump case 14 with respect to reciprocating pump 10.
Be equipped with as the safety check that enters valve 40 in the end of the extrusion chamber side of piston 16.This enters valve 40 and has valve ball 42 as the valve closure body, valve seat 44 actings in conjunction of this valve ball and taper, and this valve seat is installed in the feeding portion place of the blind hole 30 of piston 16.The helical compression spring of closing spring 46 as valve is pressed against valve ball 42 on the valve seat 44.Valve ball 42 and valve are closed spring 46 and are accommodated in the valve chest 48, and this valve chest is made by sheet material as cup-shaped drawing part to has almost and the corresponding diameter of the diameter of piston 16, and is provided with through flow hole 50.Valve chest 48 has ring-shaped step portion 52, valve chest 48 utilize this ring-shaped step portion 52 abut in piston 16 in the face of on extrusion chamber 18 distolateral.Valve chest has makes single-piece, outwardly directed radial flange 54 with it, press this radial flange 54 and by this way valve chest 48 is remained on piston 16 places as the helical compression spring of piston return spring 56.This radial flange 54 will remain on the piston 16 in the axial direction in himself and the guided rings 24 and the seal ring 28 that are supported between the support ring 60 on the annular shoulder 58 of piston 16 simultaneously.
The radial flange 54 of piston return spring by valve chest 48 in axial direction gone up piston 16 towards the eccentric wheel 62 that drives electrically and pressed, and it does linear reciprocating motion for driven plunger 16 in known manner.
On the extrusion chamber side, lining 26 has the sleeve 64 of making single-piece with it, is provided for the continuous intermediate hole 66 of pump carry-out part in this sleeve.This lining 26 is prolonging with the protuberance 67 of the section of hollow cylinder or annular on away from a side of extrusion chamber 18 at it on the sleeve 64.This annular protuberance 67 comprises installing space 69 for expulsion valve 72 in the mode of making single-piece with lining 26, and the assembled in sequence that this expulsion valve can be opposite is in the installing space 69 at lining 26 places.
And then protuberance 67 that should annular be the closure member 68 with shape of seal cap, this closure member is integrated by means of stepped part 73 being pressed in the protuberance 67 of annular, and directly is inserted in the cylindrical hole 12 at this.This closure member 68 connects by packing portion 70 form fit that ground is connected with pump case 14 and fluid is sealed hermetically.Thus, closure member 68 also additionally is fixed in the lining 26.
Closure member 68 is preferably made of aluminum.This has guaranteed corrosion protection to external world and because the ductility of aluminium has been guaranteed reliable connection by the packing portion 70 of closure member 68 in pump case 14.
Expulsion valve 72 is designed to have spherical closure body 74 and as the return spring 76 of pre-tightening apparatus and as the supporting portion that is used for return spring 76 and the vibration damping equipment 78 of base components.Return spring 76 is applied to returning place force on the closure body 74, thereby this closure body 74 is pressed towards the direction of intermediate hole 66.
Thus, lining 26 is configured to prolong in its longitudinal extension part, to be used for combining to provide added space with integrated closure member 68.But, the integrated arrangement of the protuberance 67 cover shape protuberance forms by annular and by with closure member 68 direct packings in lining 26, be not the total length that prolongs reciprocating pump 10 forcibly.
The realizing according to design proposal of the present invention of reciprocating pump 10 that has the protuberance 67 of lining 26, annular and integrated closure member 68, can simpler mode from the assembling of expulsion valve side closure body 74, return spring 76 and vibration damping equipment 78.Lining 26 self is processed in the mode of cutting in the mill.Therefore, but cost carry out aptly according to the processing of lining 26 for the manufacture of the protuberance 67 that has hollow cylinder section or annular of the present invention.In addition, provide the additional space that is used for installing vibration damping equipment 78 by design proposal according to the present invention.
Fig. 2 shows the lining 26 of the protuberance 67 that has thereon the annular that prolongs and integrated closure member 68 from the outside.
Also can find out the reentrant part 80 that flows out for fluid from the outside, this fluid arrives in the reentrant part 80 from the inside of pressure chamber by radial passage 79 (not shown at this).
All show important content of the present invention in specification, subsequently claims and the mode that not only can individually also can make up mutually arbitrarily of the feature shown in the accompanying drawing.
Claims (9)
1. the reciprocating pump for delivery of fluid (10), it has the piston (16) that can be driven into the linear reciprocating motion of makeing shift-in and shifting out and the lining (26) that accommodates described piston (16) therein in axially movable mode, and in described lining (26), be arranged in the extrusion chamber (18) that enters between valve (40) and the expulsion valve (72), wherein, described expulsion valve (72) is arranged in sleeve (64) and locates, it is characterized in that, be configured with the protuberance (67) of the annular of described lining (26) in a side that deviates from described extrusion chamber (18) of described sleeve (64), the protuberance of described annular surrounds the installing space (69) that is used for described expulsion valve (72).
2. according to the described reciprocating pump of claim 1, it is characterized in that, described lining (26) a side that deviates from described extrusion chamber (18) have around reentrant part (80).
3. according to the described reciprocating pump of claim 2, it is characterized in that, in described lining (26), be configured with the radial passage (79) of connection space (69) and the female portion (80).
4. according to each described reciprocating pump in the claim 1 to 3, it is characterized in that, be attached with the closure member (68) of seal cap form at the protuberance (67) of described annular.
5. according to the described reciprocating pump of claim 4, it is characterized in that described closure member (68) is made of aluminum.
6. according to claim 4 or 5 described reciprocating pumps, it is characterized in that described closure member (68) is made in the mode of cutting.
7. according to each described reciprocating pump in the claim 1 to 6, it is characterized in that described expulsion valve (72) has closure body (74), pre-tightening apparatus (76) and is used for supporting the base components (78) of described pre-tightening apparatus (76).
8. according to the described reciprocating pump of claim 7, it is characterized in that described closure body (74) is ball.
9. according to claim 7 or 8 described reciprocating pumps, it is characterized in that, between described closure body (74) and described closure member (68), be provided for holding the space of vibration damping equipment (78).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010064084.0 | 2010-12-23 | ||
| DE102010064084A DE102010064084A1 (en) | 2010-12-23 | 2010-12-23 | Piston pump with a bushing |
| PCT/EP2011/068543 WO2012084300A1 (en) | 2010-12-23 | 2011-10-24 | Piston pump having a cylinder barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103270299A true CN103270299A (en) | 2013-08-28 |
Family
ID=44936254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800617129A Pending CN103270299A (en) | 2010-12-23 | 2011-10-24 | Piston pump having a cylinder barrel |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20140030128A1 (en) |
| EP (1) | EP2655881A1 (en) |
| JP (1) | JP2014503741A (en) |
| CN (1) | CN103270299A (en) |
| DE (1) | DE102010064084A1 (en) |
| WO (1) | WO2012084300A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111164309A (en) * | 2017-09-25 | 2020-05-15 | 罗伯特·博世有限公司 | Pressure medium control valve, in particular for controlling the throughflow direction in a pressure medium circuit, and piston pump, in particular for conveying pressure medium in an electronically slip-regulated vehicle brake system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013224828A1 (en) | 2013-12-04 | 2015-06-11 | Robert Bosch Gmbh | Piston pump for a hydraulic vehicle brake system |
| DE102021204713A1 (en) | 2021-05-10 | 2022-11-10 | Thyssenkrupp Ag | Radial piston pump and method for producing a radial piston pump |
| DE102021204716A1 (en) | 2021-05-10 | 2022-11-10 | Thyssenkrupp Ag | Radial piston pump, in particular radial piston compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129774A (en) * | 1994-12-01 | 1996-08-28 | 罗伯特-博希股份公司 | Reciprocating pump |
| JPH1182291A (en) * | 1997-08-29 | 1999-03-26 | Unisia Jecs Corp | Pumping device |
| US6283724B1 (en) * | 1998-10-15 | 2001-09-04 | Robert Bosch Gmbh | Piston pump |
| US6648614B1 (en) * | 1999-06-19 | 2003-11-18 | Continental Teves Ag & Co. Ohg | Piston pump |
| US20060104828A1 (en) * | 2004-11-16 | 2006-05-18 | Yutaka Yamashita | Radial plunger pump and method for manufacturing pump housing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19800500A1 (en) * | 1998-01-09 | 1999-07-15 | Bosch Gmbh Robert | Piston pump |
| DE102006027555A1 (en) | 2006-06-14 | 2007-12-20 | Robert Bosch Gmbh | Piston pump for e.g. conveying brake fluid in vehicle, has pressure chamber arranged between inlet valve and exhaust valve that includes base unit for supporting prestressing device and sealing seat that is arranged at disk unit |
| JP5034705B2 (en) * | 2007-06-18 | 2012-09-26 | 株式会社アドヴィックス | Piston pump |
-
2010
- 2010-12-23 DE DE102010064084A patent/DE102010064084A1/en active Pending
-
2011
- 2011-10-24 JP JP2013545124A patent/JP2014503741A/en not_active Withdrawn
- 2011-10-24 EP EP11773009.3A patent/EP2655881A1/en not_active Withdrawn
- 2011-10-24 CN CN2011800617129A patent/CN103270299A/en active Pending
- 2011-10-24 WO PCT/EP2011/068543 patent/WO2012084300A1/en active Application Filing
- 2011-10-24 US US13/995,414 patent/US20140030128A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129774A (en) * | 1994-12-01 | 1996-08-28 | 罗伯特-博希股份公司 | Reciprocating pump |
| JPH1182291A (en) * | 1997-08-29 | 1999-03-26 | Unisia Jecs Corp | Pumping device |
| US6283724B1 (en) * | 1998-10-15 | 2001-09-04 | Robert Bosch Gmbh | Piston pump |
| US6648614B1 (en) * | 1999-06-19 | 2003-11-18 | Continental Teves Ag & Co. Ohg | Piston pump |
| US20060104828A1 (en) * | 2004-11-16 | 2006-05-18 | Yutaka Yamashita | Radial plunger pump and method for manufacturing pump housing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111164309A (en) * | 2017-09-25 | 2020-05-15 | 罗伯特·博世有限公司 | Pressure medium control valve, in particular for controlling the throughflow direction in a pressure medium circuit, and piston pump, in particular for conveying pressure medium in an electronically slip-regulated vehicle brake system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012084300A1 (en) | 2012-06-28 |
| DE102010064084A1 (en) | 2012-06-28 |
| JP2014503741A (en) | 2014-02-13 |
| US20140030128A1 (en) | 2014-01-30 |
| EP2655881A1 (en) | 2013-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130828 |