CN102094807A - Piston pump and vehicle brake system with piston pump - Google Patents
Piston pump and vehicle brake system with piston pump Download PDFInfo
- Publication number
- CN102094807A CN102094807A CN2010105843072A CN201010584307A CN102094807A CN 102094807 A CN102094807 A CN 102094807A CN 2010105843072 A CN2010105843072 A CN 2010105843072A CN 201010584307 A CN201010584307 A CN 201010584307A CN 102094807 A CN102094807 A CN 102094807A
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- China
- Prior art keywords
- piston
- seal element
- reciprocating pump
- spring
- closure body
- 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
Links
- 238000005086 pumping Methods 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000007373 indentation Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 14
- 230000002349 favourable effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
Images
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
- 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
- F04B1/0448—Sealing means, e.g. for shafts or housings
-
- 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
- F04B1/0452—Distribution members, e.g. 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
- 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
- F04B53/1017—Semi-spherical 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
- 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
- F04B53/12—Valves; Arrangement of valves arranged in or on pistons
- F04B53/125—Reciprocating valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention relates to a piston pump (10) and a vehicle brake system with the piston pump. The piston pump comprises a piston (16), sealing components (32; 48) which seal the piston (16) along the radial direction with respect to a pumping cylinder (14), and a suction valve (18) which is disposed on the piston (16) and is provided with closing bodies (38; 51). In the piston pump, the closing body (51) is supported through a spring member (50) integrated into one piece with the sealing component (48).
Description
Technical field
The present invention relates to a kind of reciprocating pump, described reciprocating pump have piston, on the piston radially with respect to the seal element of pumping cylinder sealing and be arranged on suction valve on the piston, described suction valve is constructed to have closure body.In addition, the invention still further relates to a kind of motor vehicle braking system with this reciprocating pump.
Background technique
Known motor vehicle braking system comprises a kind of so-called hydraulic pressure installation, and this hydraulic pressure installation is used for assignment system kinetic pressure according to quantity.Described hydraulic pressure installation has pump, and described pump is constructed to reciprocating pump usually, and in described reciprocating pump, piston can move in pumping cylinder.Piston moves in two stroke mode.At this, in first stroke, the fluid that will carry by suction valve for example brake fluid sucks.In second stroke, fluid is discharged by expulsion valve.Described piston is by means of the inner peripheral surface sealing of seal element with respect to pumping cylinder, and described piston is also led by this seal element in pumping cylinder during its to-and-fro motion.For example by the known a kind of such reciprocating pump of DE 102005017131A1.
Summary of the invention
Task of the present invention is, a kind of motor vehicle braking system with reciprocating pump is provided, and in described reciprocating pump, suction valve has cutting out with opening feature and can also making with more low-cost of further improvement.
According to the invention provides a kind of reciprocating pump, described reciprocating pump has piston, with piston radially with respect to the seal element of pumping cylinder sealing and be arranged on suction valve on the piston, described suction valve is constructed to have closure body.Described closure body supports by spring element, and this spring element and described seal element constitute one.
By solution of the present invention, on the one hand, compare with two independent parts, can make with lower cost by the integral type parts that spring element and seal element are formed.In addition, solution of the present invention also provides other advantage.Particularly also simplified the assembling of closure body significantly, because in assembly process, also this closure body can be fixed in its position very simply by means of flexible spring element by solution of the present invention.In addition, described spring element can be used as the station location marker of seal element in automatic assembling apparatus.The integral structure of being made up of spring element and seal element also is being very favorable aspect the material behavior of the elastic material that is applicable to described structure.Therefore, show, can select elastic material, thereby can realize particularly advantageous sealing between piston and the pumping cylinder on the one hand, can realize the extraordinary sealing characteristics of closure body on the other hand by solution of the present invention.
First of reciprocating pump kind of favourable improvement project is designed to leaf spring with spring element according to the present invention, particularly has to originate in first directed vertically section of seal element and the second radially directed basically section that links to each other with first section.
Described such leaf spring can be realized the especially precisely opening and closing characteristic of definition, because closing element disposed thereon is just as being led accurately on hinge.
Second of reciprocating pump kind of favourable improvement project is designed to be basically hemisphere with closure body according to the present invention, and wherein, a particularly hemispheroidal side that arches upward is towards the valve seat that belongs to piston.
Provide a kind of quality very little closure body relatively by hemisphere.This very little quality and the therefore very little inertia accelerating performance during to opening and closing plays a part favourable.In addition, at first, even closure body also can be sealed on the corresponding valve seat under the situation that little positional deviation is arranged well.Secondly, such closure body is essentially on the flat side by advantageously compacted at the pressure of that effect at it, and described thus closure body can seal described valve seat with being swift in response.
The third favourable improvement project of reciprocating pump according to the present invention, hemisphere is essentially a flat side and is constructed to have central indentation.
Described recess can also further alleviate the quality of closure body, and during the pass closed procedure of this external suction valve, provides the acting surface that particularly advantageously forms for the pressure from fluid.
The 4th of reciprocating pump the kind of favourable improvement project according to the present invention, described seal element, spring element and closure body are made by moulding integratedly.
Not only have enough shape stabilities but also have enough flexible plastics by targetedly selecting, to make following design proposal become possibility: according to all three parts of the present invention is that the parts that seal element, spring element and closure body can be used as integral type are only made a manufacture process.Such design proposal is a foundation with following understanding in particular, that is: to be used between piston and pumping cylinder elastic packing, be used for the elastic packing on suction valve and be used at last the requirement of the material of the elastic guide of closure body is more or less the same.According to the present invention, so only just can guarantee these requirements with a kind of unique material type.
The 5th of reciprocating pump the kind of favourable improvement project according to the present invention is formed for the spring support of return spring on seal element, described return spring is used for respect to the pumping cylinder support piston.
The spring support of described such design has been realized the layout in a kind of special saving space of return spring, wherein, this return spring can be selected to simultaneously long especially and diameter very big.Described spring can produce big returning place force thus under the little situation of structure space.
The 6th of reciprocating pump the kind of favourable improvement project according to the present invention constitutes seal element and has axial groove, and described axial groove is towards the zone of high pressure opening of piston-pumping cylinder device.
When reciprocating pump was worked, the pressure that exists in the zone of high pressure can enter in the axial groove of the zone of high pressure opening of piston-pumping cylinder device, and made described axial groove expansion thus.Simultaneously, the radial outside part of seal element then just is positioned at the part on axial groove next door at radial outside, be extruded on the adjacent pumping cylinder inwall.Therefore, along with the pressure in the zone of high pressure raises, seal element also abuts on the pumping cylinder more tightly, and has improved sealing thus.Improved simultaneously the leakage situation on the piston and in pumping cylinder to the guiding situation of piston.
The 7th of reciprocating pump the kind of favourable improvement project constitutes stepped shaft with described seal element towards a side of pumping cylinder according to the present invention.
The ladder-type structure of seal element has formed big relatively surface of contact between piston and seal element.This big surface of contact has improved the fixation case of seal element.Described seal element can be especially by fixing on the sidewall that extends vertically that is pressed on one or more steps.Simultaneously, on these sidewalls, can also produce of the centering effect of described seal element with respect to piston.The radially directed sidewall of described step is used for supporting seal element with respect to piston, and this is particularly advantageous when making piston reset by means of return spring mentioned above.
The 8th of reciprocating pump the kind of favourable improvement project according to the present invention, described seal element encases piston.
Especially, the section that described seal element encases described piston is designed to particularly carry out on step, groove or the step of piston, thereby makes described seal element vertically by means of being hooked in described piston back along hook circumferential segmentation or annular.Realize the form fit joint between piston and the seal element thus, described form fit joint is because the weak elastic characteristic of top mentioned seal element material also can easily be made preassembly in other words in automatic production.
In addition, advantageously, described piston is made of two parts, that is: towards first parts of drive unit with towards second parts of seal element.Each parts of the piston that is made of two parts are endowed special function like this.Described first parts are used for producing on drive unit thrust is delivered to second parts, described second parts itself be used for guaranteeing fluid particularly brake fluid flow into suction valve.Then, the zone of high pressure of internal piston is defined by means of seal element and is sealed with respect to low pressure area.Here, second parts are shifted onto described seal element in the pumping cylinder and second parts itself are promoted by first parts.From return spring, be delivered on first parts through the seal element and second parts by return thrust, thereby realize resetting.Here, with respect to the situation of single type piston, can material select and possible manufacture method aspect, more simply each parts are optimized.
In addition, advantageously first parts are constituted solid cylinder, second parts are constituted hollow cylinder.First parts that constitute solid cylinder can be with low-down cost manufacturing, and can transmit extra high thrust.Advantageously, described first parts are made of plastics, and preferably add reinforced fiber to described plastics.Described second parts that constitute hollow cylinder can advantageously be constituted as the pipe fitting with cylindrical cavity.Here, described second parts preferably are made of metal, and especially, are constructed to sintering foundry goods or deep-draw part.As long as form at least one radial hole, when reciprocating pump was worked, fluid to be sucked can inwardly flow towards the direction of suction valve from radial outside by described radial hole then in such parts.
Also solve above-mentioned task, wherein, can obtain the corresponding advantages of having set forth for reciprocating pump itself as mentioned by motor vehicle braking system with this class reciprocating pump of the present invention.
Description of drawings
To be described in detail by the embodiment of schematic accompanying drawing below solution of the present invention.In the accompanying drawing:
Fig. 1 shows the longitudinal section according to the reciprocating pump of prior art,
Fig. 2 shows details II among Fig. 1 with the ratio of amplifying,
Fig. 3 shows the longitudinal section according to first kind of embodiment of reciprocating pump of the present invention,
Fig. 4 shows details IV among Fig. 3 with the ratio of amplifying,
Fig. 5 shows the stereogram of the device of being made up of closure body, spring element and seal element according to the embodiment of Fig. 3 and Fig. 4.
Embodiment
In Fig. 1 and Fig. 2, show reciprocating pump 10 according to prior art, described reciprocating pump especially comprises piston apparatus 12, this piston apparatus is made of pumping cylinder 14 and the piston 16 that is bearing in movably in the described pumping cylinder.In addition, described piston apparatus 12 also comprises suction valve 18 and expulsion valve 20.These valves 18 and 20 are arranged for making piston 16 when its to-and-fro motion in pumping cylinder 14, fluid is drawn onto the zone of high pressure 24 in other words, hyperbaric chamber that is arranged in pumping cylinder 14 inside through inlet 22, and under pressure again with these fluids through outlet 26 output from zone of high pressure 24.Here, described fluid is a brake fluid.
Here, described piston 16 vertically by means of the return spring 28 that is arranged in zone of high pressure 24 by pretension flexibly.With reference to Fig. 1, described return spring 28 is supported on the end face of pumping cylinder 14 at its left end, and is pressed against on the spring support 30 at its right-hand member.Described spring support 30 connects with piston 16 fixed-site ground, thereby return spring 28 is correspondingly exerted pressure by 30 pairs of described pistons 16 of described spring support.
Also be provided with seal element 32 between described piston 16 and pumping cylinder 14, by described seal element 32, zone of high pressure 24 is sealed in pumping cylinder 14.Described seal element 32 constitutes annular, and encases piston on the outer circumferential face of piston 16.Described seal element 32 remains on this outer circumferential face to valve casing 34 fixed-site in other words by means of the valve retainer that is enclosed within on the piston 16.Also the form with shoulder forms spring support 30 on described valve casing 34.Zhi Cheng seal element 32 radially is close on the inner peripheral surface of pumping cylinder 14 in inside like this, to slide along this inner peripheral surface and to seal simultaneously.
Described valve casing 34 is constructed to cup-shaped retainer, and spiral return spring 36 is positioned at the inside of described retainer, and described return spring is pressed against on the spherical closure body 38.(under Fig. 1 and the described working state of Fig. 2) described closure body 38 is close on the valve seat 40 that is configured on piston 16 end faces thus.With reference to figure 1, when piston 16 was pulled out from pumping cylinder 14 to the right, the power that described closure body 38 overcomes return spring 36 was lifted from this valve seat 40.In this motion, suction valve 18 is unlocked, and fluid is inhaled into zone of high pressure 24.
According to Fig. 1 and Fig. 2, described seal element 32 has the rectangular basically matrix of cross section 42, has also constructed towards the zone of high pressure 24 sealing lip 44 on described matrix.
Fig. 3 and Fig. 4 show according to reciprocating pump 10 of the present invention.This reciprocating pump comprises piston apparatus 12 equally, the piston 16 that described piston apparatus has pumping cylinder 14 and can move in pumping cylinder.In addition, also similarly be provided with suction valve 18 and expulsion valve 20.The return spring 28 of described piston 16 by being arranged in zone of high pressure 24 is by pretension flexibly, and described return spring is pressed against on the foundation spring support 46 of the present invention that connects with piston 16 fixed-site ground.
In addition, seal element 48 is bearing on the described piston 16 to described seal element fixed-site between described piston 16 and pumping cylinder 14, and can slide along the inner peripheral surface of pumping cylinder 14.This seal element 48 is with integrally formed according to spring element of the present invention 50, described spring element supporting closure body 51.Spring element 50 and the integral type structure of seal element 48 have been realized axially very short and compact structure mode more, and described mode of structure has the short especially reaction time during opening and closing on corresponding valve seat 40 at closure body 51.
At this, described seal element 48 is also by abutting against return spring 28 on the spring support 46 by pretension.In addition, on spring support 46, also provide the radially supporting surface of non-constant width for return spring 28.
As in Fig. 4 as can be seen, described seal element 48 is constituted as the axial groove 52 that has towards the zone of high pressure 24 direction opening.Correspondingly, be arranged in zone of high pressure 24 and the fluid that is under the pressure also arrives this axial groove 52.Described axial groove 52 is pressed off by these fluids on the sidewall 54 and 56 in other words mutually in the mutual opposed side of two inside.Specifically, the lip part of the radial outside that is positioned at axial groove 52 that also can be called as sealing lip of seal element 48 in other words section 58 by radially outwards extruding and being compressed against thus on the inner peripheral surface of pumping cylinder 14.Thus, when the pressure in zone of high pressure 24 raise, this section 58 of seal element 48 also abutted in more tightly on the pumping cylinder 14 and therefore and seals better there.In addition, improved in pumping cylinder 14 guiding to piston 16.
In the embodiment shown in Fig. 3, described piston 16 is made of two parts, promptly is made of first parts 60 and second parts 62.Described first parts 60 are bar-shaped formation things of solid cylindrical, described bar-shaped formation thing by plastic injection-moulded form and be adjusted to especially it can be delivered to the end thrust of eccentric wheel drive unit (not shown) on second parts 62, and be delivered to thus on the seal element 48.Described second parts 62 are sintering foundry goods of hollow cylinder, and described sintering foundry goods respectively has shoulder step 64 and 66 in other words at its two ends.Described step 64 encases the end regions of first parts 60 at radial outside, and wherein first parts 60 are fixed on the inside of step 64 with the power transmission Placement by interference fit.Step 66 and seal element 48 are adjacent and encased vertically by described seal element at radial outside.At this, the section 68 of its core of formation of seal element 48 abuts on the step 66 at radial outside, and constitutes interference fit with described step.Another section 70 that is positioned at radial outside fully of seal element 48, as a kind of arm in other words sleeve fully encase the step 66 of second parts 62.Form a plurality of hooks 72 on the periphery of this section 70, described hook is hooked in the radial outside back, zone of step 66 and is connected in the axial form fit that produces with second parts 62 by this way.
In Fig. 4 and Fig. 5, further show the integral type unit that constitutes by seal element 48, spring element 50 and closure body 51.
Closure body 51 remains on described second section 76, and described closure body is hemisphere basically, and has towards the surface 78 that valve seat 40 arches upward.In a relative side, closure body 51 is constituted as has the interface 80 that is essentially flat, and recess 82 is positioned at the central authorities of described interface.
Claims (10)
1. a reciprocating pump (10), described reciprocating pump have piston (16), with described piston (16) radially with respect to the seal element (32 of pumping cylinder (14) sealing; 48) and be arranged on suction valve (18) on the piston (16), described suction valve has closure body (38; 51), it is characterized in that described closure body (51) supports by the spring element (50) with described seal element (48) formation one.
2. according to the described reciprocating pump of claim 1, it is characterized in that, described spring element (50) is a leaf spring, particularly has directed vertically first section (74) that originates in seal element (48) and radially directed basically second section (76) that joins with described first section.
3. according to claim 1 or 2 described reciprocating pumps, it is characterized in that described closure body (51) is hemisphere basically, wherein, a particularly hemispheric side (78) that arches upward is towards the valve seat that belongs to piston (16) (40).
4. according to the described reciprocating pump of claim 3, it is characterized in that, hemisphericly be essentially a flat side (80) and have central indentation (82).
5. according to any described reciprocating pump in the claim 1 to 4, it is characterized in that described seal element (48) and spring element (50) and closure body (51) are made of plastics integratedly.
6. according to any described reciprocating pump in the claim 1 to 5, it is characterized in that, be formed for the spring support (46) of return spring (28) on described seal element (48), described return spring supports described piston (16) with respect to described pumping cylinder (14).
7. according to any described reciprocating pump in the claim 1 to 6, it is characterized in that described seal element (48) has axial groove (52), described axial groove is towards the zone of high pressure (24) of piston-pumping cylinder device (16,14) opening.
8. according to any described reciprocating pump in the claim 1 to 7, it is characterized in that described seal element (48) is stepped shaft (66) in its side towards piston (16).
9. according to any described reciprocating pump in the claim 1 to 8, it is characterized in that described seal element (48) encases described piston (16).
10. a motor vehicle braking system is characterized in that, described motor vehicle braking system has as described above any described reciprocating pump (10) in the claim.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009047727.6 | 2009-12-09 | ||
| DE200910047727 DE102009047727A1 (en) | 2009-12-09 | 2009-12-09 | Piston pump with a closing body on the inlet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102094807A true CN102094807A (en) | 2011-06-15 |
Family
ID=43992544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105843072A Pending CN102094807A (en) | 2009-12-09 | 2010-12-07 | Piston pump and vehicle brake system with piston pump |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR20110065400A (en) |
| CN (1) | CN102094807A (en) |
| DE (1) | DE102009047727A1 (en) |
| FR (1) | FR2953568A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221404A (en) * | 2014-06-27 | 2016-01-06 | 罗伯特·博世有限公司 | There is the valve of the reciprocating pump of the closed shape of two-piece type |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20132109A1 (en) * | 2013-12-17 | 2015-06-18 | Bosch Gmbh Robert | PUMP ASSEMBLY TO SUPPLY FUEL, PREFERABLY GASOIL, TO AN INTERNAL COMBUSTION ENGINE |
| KR101915502B1 (en) * | 2016-09-01 | 2018-11-08 | 이래에이엠에스 주식회사 | Piston pump for brake system of vehicles |
| IT201600131859A1 (en) * | 2016-12-28 | 2018-06-28 | Bosch Gmbh Robert | PUMPING GROUP FOR FUEL SUPPLEMENTATION, PREFERABLY GASOIL, TO AN INTERNAL COMBUSTION ENGINE |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010048884A1 (en) * | 1997-07-30 | 2001-12-06 | Heinz Siegel | Piston pump for a brake system for a vehicle |
| DE10049909A1 (en) * | 2000-10-10 | 2002-04-11 | Bosch Gmbh Robert | Piston pump for ABS hydraulic brake system has at least tow inlet valves in parallel in hydraulic circuit |
| DE102005017131A1 (en) * | 2005-04-14 | 2006-10-19 | Robert Bosch Gmbh | Piston pump for slip-regulated vehicle brake unit has valve cage with inlet valve and shoulder with support for piston seal which has sealing section extending over shoulder into pressure chamber |
| DE102006029368A1 (en) * | 2006-06-27 | 2008-01-03 | Robert Bosch Gmbh | Piston pump for a vehicle brake system with a sealing element |
| CN101473137A (en) * | 2006-06-22 | 2009-07-01 | 罗伯特.博世有限公司 | Piston pump |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10019403A1 (en) * | 2000-04-19 | 2001-10-25 | Bosch Gmbh Robert | Check valve for piston pump has holding component for valve shut-off element and is movably connected to it and formed in one piece with it |
| DE102006054061A1 (en) * | 2006-11-16 | 2008-05-21 | Robert Bosch Gmbh | Piston pump for a vehicle brake system |
-
2009
- 2009-12-09 DE DE200910047727 patent/DE102009047727A1/en not_active Withdrawn
-
2010
- 2010-12-07 CN CN2010105843072A patent/CN102094807A/en active Pending
- 2010-12-08 KR KR1020100124787A patent/KR20110065400A/en not_active Application Discontinuation
- 2010-12-08 FR FR1060255A patent/FR2953568A1/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010048884A1 (en) * | 1997-07-30 | 2001-12-06 | Heinz Siegel | Piston pump for a brake system for a vehicle |
| DE10049909A1 (en) * | 2000-10-10 | 2002-04-11 | Bosch Gmbh Robert | Piston pump for ABS hydraulic brake system has at least tow inlet valves in parallel in hydraulic circuit |
| DE102005017131A1 (en) * | 2005-04-14 | 2006-10-19 | Robert Bosch Gmbh | Piston pump for slip-regulated vehicle brake unit has valve cage with inlet valve and shoulder with support for piston seal which has sealing section extending over shoulder into pressure chamber |
| CN101473137A (en) * | 2006-06-22 | 2009-07-01 | 罗伯特.博世有限公司 | Piston pump |
| DE102006029368A1 (en) * | 2006-06-27 | 2008-01-03 | Robert Bosch Gmbh | Piston pump for a vehicle brake system with a sealing element |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221404A (en) * | 2014-06-27 | 2016-01-06 | 罗伯特·博世有限公司 | There is the valve of the reciprocating pump of the closed shape of two-piece type |
| CN105221404B (en) * | 2014-06-27 | 2018-04-06 | 罗伯特·博世有限公司 | The valve of the piston pump of closed shape with two-piece type and its application |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110065400A (en) | 2011-06-15 |
| DE102009047727A1 (en) | 2011-06-16 |
| FR2953568A1 (en) | 2011-06-10 |
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Application publication date: 20110615 |