CN104010898A - Pressure pulsation damper for a vehicle brake system - Google Patents
Pressure pulsation damper for a vehicle brake system Download PDFInfo
- Publication number
- CN104010898A CN104010898A CN201280062798.1A CN201280062798A CN104010898A CN 104010898 A CN104010898 A CN 104010898A CN 201280062798 A CN201280062798 A CN 201280062798A CN 104010898 A CN104010898 A CN 104010898A
- Authority
- CN
- China
- Prior art keywords
- pressure pulsation
- pulsation damper
- motor vehicle
- braking system
- vehicle braking
- 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.)
- Granted
Links
- 230000010349 pulsation Effects 0.000 title claims abstract description 57
- 238000013016 damping Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 description 3
- 210000002445 nipple Anatomy 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- B60T8/36—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 including a pilot valve responding to an electromagnetic force
- B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
- B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
- B60T8/368—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units combined with other mechanical components, e.g. pump units, master 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
- B60T8/4068—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 the additional fluid circuit comprising means for attenuating pressure pulsations
Abstract
According to the invention, a pressure pulsation damper (20) for a vehicle brake system is characterized in that it is formed as a structural unit that can be fitted separately on the vehicle brake system.
Description
Technical field
The present invention relates to a kind of pressure pulsation damper for motor vehicle braking system.
Background technology
In known motor vehicle braking system, the pressure pulsation that pressure pulsation damper is used to producing in the remainder in corresponding hydraulic efficiency gear itself and at motor vehicle braking system when by means of pump element compression brake liquid produces shock damping action.By DE 103 05 310B4, a kind of such pressure pulsation damper is disclosed for example.
Summary of the invention
According to the present invention, a kind of pressure pulsation damper for motor vehicle braking system is provided, wherein, this pressure pulsation damper is designed to install afterwards or be arranged separately in the structural unit on motor vehicle braking system.
Pressure pulsation damper according to the present invention has been realized the pressure pulsation that reduces to be caused on motor vehicle braking system by pump element as structural unit.Here, the supercharging that pressure pulsation damper can make corresponding wheel more evenly and the wheel slippage controllability of improving corresponding wheel.The control electronics package using on motor vehicle braking system here can remain unchanged.Therefore, pressure pulsation damper according to the present invention is because the vibration on the brake pedal reducing in existing motor vehicle braking system is particularly suitable for improving the comfort level of chaufeur.In addition, pressure pulsation damper according to the present invention make it possible to improve such as for autobrake, automatic vehicle apart from control etc. such as additional function aspect comfort level.In addition, optimization afterwards according to the present invention is feasible in the automobile with the brake system that can reclaim braking energy.Reclaiming holder here, particularly can charge especially littlely and can carry out supercharging by noise especially littlely in the brake system of some or all of electronization by noise.Therefore, between payback period, also can advantageously be combined into a kind of lock torque producing with electrical generator mode and hydraulic way.
By pressure pulsation damper according to the present invention, can greatly reduce the quantity of the necessary hardware variations of motor vehicle braking system.If pressure pulsation damper according to the present invention is arranged on motor vehicle braking system as the structural unit of can be afterwards or installing separately, just enough.All kinds and the embodiment of this pressure pulsation damper that can install afterwards or install separately here, can be provided simply.Like this, vehicle manufacturer can present different comfort characteristics by means of same hydraulic efficiency gear.For example, can provide without the motor vehicle braking system of the pressure pulsation damper of installing separately, on an axletree with the motor vehicle braking system of pressure pulsation damper and on all four wheels all with the motor vehicle braking system of pressure pulsation damper.In addition, can be advantageously on the main brake cylinder of motor vehicle braking system and the pipeline between hydraulic efficiency gear, pressure pulsation damper be set.
Optionally improving this advantage of motor vehicle braking system not only can be for system with low cost but also can be for senior especially system.
In addition, the pressure pulsation damper that can install separately according to the present invention also can be used as for the general part of various different vehicle brake system because so-called quantal effect produces the large cost savings potentiality of vehicle manufacturer.
Preferably, be provided with and lead to the outlet that the entrance He Conggai dampening chamber of dampening chamber draws and be provided with throttling device between dampening chamber and outlet.That is to say, dampening chamber and throttling device are connected in series.Be connected to dampening chamber's throttling device afterwards and when there is pressure pulsation, cause that the pressure in dampening chamber raises.This pressure raises and can under the condition of compressed pressure energy absorber element, be used to the volume absorption in dampening chamber.Here, compare with the system without throttling, more even in the rate of volume flow in the exit of pressure pulsation damper, because part pulsation is cushioned.
Outlet advantageously forms by being connected to the pipe joint of the main brake cylinder of motor vehicle braking system.Pipeline can directly connect with this pressure pulsation damper, thereby this pressure pulsation damper forms one section in other words of a part for this pipeline to save the mode of structure space.Pressure pulsation damper is connected to conventional hydraulic efficiency gear in the middle of connecting in other words in the middle of being therefore particularly suitable for and is connected between brake-press lead thereon with conventional.
Correspondingly, entrance preferably forms by being connected to the pipe joint of the hydraulic efficiency gear of motor vehicle braking system.
Throttling device is particularly preferably designed to have variable restrictor effect.Variable restrictor effect can form by means of throttle disk, this throttle disk can be through-flow the area of opening be variable.Particularly preferably, the through-flow face of little through-flow of continuing to open and variable area is connected in parallel.The through-flow face that independently continues to open with pressure reduction be advantageously disposed on elastomeric matrix originally with it.In addition this through-flow the recess that can advantageously be designed on the bearing for matrix (matrix is bearing in there movingly).Reduce the effect of pulsation particularly in the less region generating of rate of volume flow, and little through-flow of continuing to open with constant flow cross section, locate to lose many hydraulic powers in the larger region of rate of volume flow.Variable cross-sectional area makes it possible to advantageously reduce this wasted power in this larger region of rate of volume flow (this region is the high region of hydraulic power requirement simultaneously).
Variable throttling action advantageously can change according to the pressure reduction on throttling device.This pressure reduction produces when the rate of volume flow of the pressure pulsation damper of flowing through was gathered before throttling device.Throttling device can be through-flow cross-sectional area according to the through-current capacity increasing, become large.
In addition, throttling device preferably forms by the throttle unit of dish type, and this throttle unit can be opened annular throttle clearance when throttling action changes.This throttle unit can realized wide move place aspect the changeability of back pressure.
Particularly advantageously be provided with elastomeric objects as damping element.This elastomeric objects absorbs potential energy and become this potential energy again kinetic energy when resiling when it is out of shape, and this kinetic energy is returned to flow media.
Be provided preferably with and can be braked tubular object that fluid flows through as damping element.This tubular object can particularly advantageously be integrated in the pipeline of motor vehicle braking system as duct section.Therefore, this tubular object provides a kind of structure space and simultaneously can the very improvement to motor vehicle braking system pressure condition of flexible Application in various different automobile types saved.The function of damping element is shape based on hose-like, and the object of this shape is when the pressure in the inner chamber of flexible pipe shape raises to expand.If MEDIA FLOW is crossed this internal cavities and this rate of volume flow is inhomogeneous, this causes the pressure in the throttle unit being connected to below to raise.This pressure raises and causes that again the volume in the region that holds damping element absorbs.
Described object is advantageously surrounded by stiff case, wherein, is provided with the gas volume of one or more divisions between described object and housing.This gas volume is compressible.This gas volume provides elasticity, and this elasticity contributes to the shock damping action of expectation pointedly.In addition, this gas volume also has the compressibi1ity higher than described object conventionally.That is to say, when in Dang dampening chamber, pressure raises, this gas volume is first compressed.If this fully occurs, described object bumps against in backstop on the stiff case surrounding.Then described object itself is just compressed significantly.This gas volume also can be with foam-filled.Therefore, by housing, the elastic deformation of elastomeric objects is restricted.Meanwhile, define the volume of the cavity of filling with gas.Therefore, in Ke dampening chamber, realize classification shock damping action.Generally speaking, combine with mentioned variable restrictor and obtained by known pressure ripple damper inaccessiable wide especially damping scope up to now.Housing is also for preventing that elastomeric objects is by excessive loads, even and in the situation that the malfunctioning leak tightness that also can guarantee brake system of the sealing function of described object itself.
Accompanying drawing explanation
By means of schematic figures, embodiments of the invention are elaborated below.In accompanying drawing:
Fig. 1 shows the hydraulic circuit diagram of a kind of arrangement structure of pressure pulsation damper according to the present invention in motor vehicle braking system,
Fig. 2 shows according to the longitudinal sectional view of the first embodiment of pressure pulsation damper of the present invention,
Fig. 3 shows according to the longitudinal sectional view of the second embodiment of pressure pulsation damper of the present invention, and
Fig. 4 shows has four as the block diagram of the motor vehicle braking system hydraulic efficiency gear of the pressure pulsation damper of Fig. 2 or 3.
The specific embodiment
Figure 1 illustrates a kind of arrangement structure 10 of motor vehicle braking system, in this arrangement structure, on flow ipe 12, be provided with piston pump 14.Piston pump 14 forms by two pump elements that are not shown specifically, and these two pump elements are driven by CD-ROM drive motor 16 by means of eccentric wheel.Pump element is in operation and carries the brake fluid through flow ipe, and wherein, fluid flows because the pump piston of alternating action on pump element is pulsed.Piston pump 14 is arranged in the hydraulic efficiency gear 44 that Fig. 4 is shown specifically and by the fluid stream of pulsation and is transported to and flows out in pipeline 18.On outflow pipeline 18, be provided with pressure pulsation damper 20.Pressure pulsation damper 20 is for make Pulsating Flow smoothly and have dampening chamber 22 for this reason, after throttling device 24 is connected to this dampening chamber.This throttling device 24 is designed to have variable throttling action here.
Fig. 2 at length shows this pressure pulsation damper 20.This pressure pulsation damper 20 is designed to structural unit independent or that be installed separately and comprises housing 26 for this reason.In housing 26, be provided with dampening chamber 22, entrance leads in this dampening chamber and outlet Cong Gai dampening chamber draws.Entrance is designed to be connected to the pipe joint 28 of hydraulic efficiency gear 44 and by nipple, form for this reason, and this nipple can directly screw in hydraulic efficiency gear 44 (also can referring to Fig. 4).Similarly, outlet forms by being connected to the pipe joint 30 of the wheel braking cylinder (not shown) of motor vehicle braking system, and this pipe joint is designed to tapped bore.
Between pipe joint 28 and pipe joint 30, by housing 26, form a duct section 32, in this duct section, be provided with tubular elastomeric objects 34.The cavity 36 that this object 34 is filled with gas (form is hollow cylinder) surrounds, and this cavity 36 is own from inner side and housing 26 adjacency.The inside of object 34 forms dampening chamber 22, and wherein, object 34 can expand and enter in cavity 36, until the interior side contacts of it and housing 26.
Along flow direction, after dampening chamber 22, in as the embodiment of Fig. 2, throttling device 24 forms by throttle disk 38, and this throttle disk has the through flow hole for the constant magnitude of brake fluid.
Pressure pulsation damper 20 as the embodiment of Fig. 3 in, be provided with equally housing 26, this housing has pipe joint 28 and the pipe joint 30 that adopts thread forms.In housing 26, be provided with throttle chamber 22, this throttle chamber is surrounded by the cavity 36 of tubular object 34 and this tubular object of encirclement again.Throttling device 24 is connected to as after the dampening chamber 22 of the embodiment of Fig. 3, and this throttling device forms by tubular throttle unit 40.Tubular throttle unit 40 is supported and be designed to flexiblely by holding element 42, and the circular clearance that when pressure in Ta Dang dampening chamber 22 is raise, motion and can opening is opened is gradually to produce variable throttling action.
Figure 4 illustrates four pressure pulsation dampers 20 as Fig. 2 or 3 is arranged on the hydraulic efficiency gear 44 of car motor vehicle braking system not shown further.Hydraulic efficiency gear 44 comprises block hydraulic part made of aluminum 46, is provided with pipe hole and valve and above-mentioned piston pump 14 in this hydraulic part.Therefore, CD-ROM drive motor 16 above-mentioned has also been installed on hydraulic part 46.Control setup part 48 is arranged on hydraulic part 46, in this control setup part 48, is particularly provided with magnet coil and control desk.
These four pressure pulsation dampers 20 are spun on hydraulic part 46 by their pipe joint 28 as entrance respectively as the structural unit that can install separately respectively.Here, the nipple of pipe joint 28 screws in the respective screw hole (not shown) on hydraulic part 46, and this respective screw hole also can be alternatively for being connected with brake-press lead.
In a kind of unshowned modification of hydraulic efficiency gear 44, be provided with two pressure pulsation dampers 20, these two pressure pulsation dampers are arranged on respectively in a pipeline that leads to main brake cylinder individually.For this reason, these two pressure pulsation dampers 20 being arranged on the corresponding interface position 50 in a side of CD-ROM drive motor 16 at hydraulic part 46.
Claims (10)
1. for the pressure pulsation damper (20) of motor vehicle braking system,
It is characterized in that, described pressure pulsation damper (20) is for can be arranged separately in the structural unit on motor vehicle braking system.
2. pressure pulsation damper as claimed in claim 1,
It is characterized in that, be provided with and lead to the entrance (28) of dampening chamber (22) and the outlet (30) of drawing and be provided with throttling device (24) from described dampening chamber (22) between described dampening chamber (22) and described outlet (30).
3. pressure pulsation damper as claimed in claim 2,
It is characterized in that, described outlet (30) forms by being connected to the wheel braking cylinder of motor vehicle braking system or the pipe joint of main brake cylinder.
4. pressure pulsation damper as claimed in claim 2 or claim 3,
It is characterized in that, described entrance (28) forms by being connected to the pipe joint of the hydraulic efficiency gear of motor vehicle braking system.
5. the pressure pulsation damper as described in any one in claim 1 to 4,
It is characterized in that, described throttling device (24) is designed to have variable restrictor effect.
6. pressure pulsation damper as claimed in claim 5,
It is characterized in that, described variable restrictor effect can change according to the rate of volume flow through described pressure pulsation damper (20).
7. the pressure pulsation damper as described in claim 5 or 6,
It is characterized in that, described throttling device forms by the throttle unit (40) of annular or dish type, and described throttle unit can be opened annular throttle clearance when throttling action changes.
8. the pressure pulsation damper as described in any one in claim 1 to 7,
It is characterized in that, be provided with elastomeric objects (34) as damping element.
9. the pressure pulsation damper as described in any one in claim 1 to 8,
It is characterized in that, be provided with and can be braked tubular object (34) that fluid flows through as damping element.
10. pressure pulsation damper as claimed in claim 8 or 9,
It is characterized in that, described object (34) is surrounded and be provided with gas volume between described object (34) and described housing (26) by stiff case (26).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201110089183 DE102011089183A1 (en) | 2011-12-20 | 2011-12-20 | Pressure pulsation damper for a vehicle brake system |
| DE102011089183.8 | 2011-12-20 | ||
| PCT/EP2012/070863 WO2013091932A1 (en) | 2011-12-20 | 2012-10-22 | Pressure pulsation damper for a vehicle brake system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104010898A true CN104010898A (en) | 2014-08-27 |
| CN104010898B CN104010898B (en) | 2018-08-14 |
Family
ID=47148733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280062798.1A Active CN104010898B (en) | 2011-12-20 | 2012-10-22 | Pressure pulsation damper for motor vehicle braking system |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104010898B (en) |
| DE (1) | DE102011089183A1 (en) |
| WO (1) | WO2013091932A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930294A (en) * | 2015-04-23 | 2015-09-23 | 广东电网有限责任公司电力科学研究院 | Damping pipe fitting for pulse monitoring |
| CN109383479A (en) * | 2017-08-02 | 2019-02-26 | 罗伯特·博世有限公司 | The buffer unit with buffer chamber of the hydraulic assembly of Vehicular brake device |
| CN111559364A (en) * | 2018-07-07 | 2020-08-21 | 罗伯特·博世有限公司 | Damping device for brake system |
| US20210031743A1 (en) * | 2019-07-31 | 2021-02-04 | Toyota Jidosha Kabushiki Kaisha | Pipeline and braking system |
| CN112389395A (en) * | 2019-08-19 | 2021-02-23 | 罗伯特·博世有限公司 | Brake system damping device with flow through in a separating element |
| CN113879271A (en) * | 2020-07-02 | 2022-01-04 | 罗伯特·博世有限公司 | Hydraulic damping device and electronically slip-adjustable brake system |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102179491B1 (en) * | 2014-04-15 | 2020-11-16 | 주식회사 만도 | Pulse reducing apparatus of hydraulic piston pump |
| DE102014209414A1 (en) * | 2014-05-19 | 2015-11-19 | Robert Bosch Gmbh | Slip-adjustable vehicle brake system |
| DE102014209682A1 (en) * | 2014-05-21 | 2015-11-26 | Robert Bosch Gmbh | damping device |
| DE102015220294A1 (en) | 2015-10-19 | 2017-04-20 | Robert Bosch Gmbh | Damping device, in particular for damping pressure pulsations in a brake circuit of a slip-controllable vehicle brake system |
| DE102020104034A1 (en) | 2020-02-17 | 2021-08-19 | Mann+Hummel Gmbh | Acoustic component and air duct with an acoustic component |
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| DE3924085A1 (en) * | 1989-05-06 | 1991-01-24 | Teves Gmbh Alfred | Controlled-slip braking system esp. for motor vehicle - has noise-abating elastomer tubing with defined vol. expansion and throughflow length within pump housing |
| US5058961A (en) * | 1989-07-14 | 1991-10-22 | Robert Bosch Gmbh | Apparatus for damping pressure fluctuations |
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| US5509729A (en) * | 1991-01-18 | 1996-04-23 | Itt Automotive Europe Gmbh | Anti-lock hydraulic brake system with a flow control valve |
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| US20040217559A1 (en) * | 2003-02-10 | 2004-11-04 | Michael Schlitzkus | Device for damping pressure pulsations |
| CN101229807A (en) * | 2007-01-25 | 2008-07-30 | 丰田自动车株式会社 | Apparatus for generating brake pedal resistance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2643860A1 (en) * | 1976-09-29 | 1978-03-30 | Bosch Gmbh Robert | HYDRAULIC SYSTEM |
-
2011
- 2011-12-20 DE DE201110089183 patent/DE102011089183A1/en active Pending
-
2012
- 2012-10-22 WO PCT/EP2012/070863 patent/WO2013091932A1/en active Application Filing
- 2012-10-22 CN CN201280062798.1A patent/CN104010898B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3924085A1 (en) * | 1989-05-06 | 1991-01-24 | Teves Gmbh Alfred | Controlled-slip braking system esp. for motor vehicle - has noise-abating elastomer tubing with defined vol. expansion and throughflow length within pump housing |
| US5058961A (en) * | 1989-07-14 | 1991-10-22 | Robert Bosch Gmbh | Apparatus for damping pressure fluctuations |
| US5509729A (en) * | 1991-01-18 | 1996-04-23 | Itt Automotive Europe Gmbh | Anti-lock hydraulic brake system with a flow control valve |
| DE4128386A1 (en) * | 1991-08-27 | 1993-03-04 | Bosch Gmbh Robert | Vehicular hydraulic braking system with wheel-slip control arrangement - has unpressurised passive brake fluid reservoirs connected on master cylinder side to wheel brake supply lines |
| US5468057A (en) * | 1992-04-24 | 1995-11-21 | Robert Bosch Gmbh | Hydraulic vehicle brake system with a hydraulic unit for wheel slip control |
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| US20040217559A1 (en) * | 2003-02-10 | 2004-11-04 | Michael Schlitzkus | Device for damping pressure pulsations |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930294A (en) * | 2015-04-23 | 2015-09-23 | 广东电网有限责任公司电力科学研究院 | Damping pipe fitting for pulse monitoring |
| CN109383479A (en) * | 2017-08-02 | 2019-02-26 | 罗伯特·博世有限公司 | The buffer unit with buffer chamber of the hydraulic assembly of Vehicular brake device |
| CN111559364A (en) * | 2018-07-07 | 2020-08-21 | 罗伯特·博世有限公司 | Damping device for brake system |
| CN112384422A (en) * | 2018-07-07 | 2021-02-19 | 罗伯特·博世有限公司 | Damping device of brake system |
| CN112384422B (en) * | 2018-07-07 | 2023-08-22 | 罗伯特·博世有限公司 | Damping device for braking system |
| CN111559364B (en) * | 2018-07-07 | 2023-09-08 | 罗伯特·博世有限公司 | Damping device for braking system |
| US20210031743A1 (en) * | 2019-07-31 | 2021-02-04 | Toyota Jidosha Kabushiki Kaisha | Pipeline and braking system |
| US11731603B2 (en) * | 2019-07-31 | 2023-08-22 | Toyota Jidosha Kabushiki Kaisha | Pipeline and braking system |
| CN112389395A (en) * | 2019-08-19 | 2021-02-23 | 罗伯特·博世有限公司 | Brake system damping device with flow through in a separating element |
| CN113879271A (en) * | 2020-07-02 | 2022-01-04 | 罗伯特·博世有限公司 | Hydraulic damping device and electronically slip-adjustable brake system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104010898B (en) | 2018-08-14 |
| WO2013091932A1 (en) | 2013-06-27 |
| DE102011089183A1 (en) | 2013-06-20 |
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