WO2002036404A1 - Unterdruck-bremskraftverstärker - Google Patents
Unterdruck-bremskraftverstärker Download PDFInfo
- Publication number
- WO2002036404A1 WO2002036404A1 PCT/EP2001/012541 EP0112541W WO0236404A1 WO 2002036404 A1 WO2002036404 A1 WO 2002036404A1 EP 0112541 W EP0112541 W EP 0112541W WO 0236404 A1 WO0236404 A1 WO 0236404A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- outer sleeve
- brake booster
- vacuum brake
- control valve
- valve housing
- Prior art date
Links
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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/46—Vacuum systems
- B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
- B60T13/57—Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of control valves
Definitions
- Such a vacuum brake booster in tandem design is known from DE-OS 24 36 144.
- a housing of the vacuum brake booster is subdivided from fixed walls into two separate housing sections, each with a fixed volume. Each of these two separate housing sections is divided by a movable wall into a vacuum chamber and a working chamber.
- the vacuum brake booster known from DE-OS 24 36 144 comprises two
- an outer sleeve of the control valve housing has two sliding surfaces offset radially on the outside, on each of which a ring seal, which closes a stationary wall to the control valve housing, slides.
- the outer sleeve is connected to an inner sleeve via a plurality of webs, so that an air flow path is created between the outer sleeve and the inner sleeve.
- the inner sleeve acts as a guide for an actuating piston which is coupled to the input member of the vacuum brake booster and which interacts with an elastomeric reaction disk via a cylindrical sensing element. The actuating forces introduced into the reaction disk by the actuating piston by means of the sensing element and applied by the driver are transmitted from the reaction disk to a reaction piston.
- control valve housing is produced by injection molding and at least one injection point is provided for the injection molding, which is in the area of the outer sleeve and at a distance from fastening points of the webs on the outer sleeve is arranged.
- H ⁇ d H- rt ⁇ rt rt tu: H ⁇ 3 H- ⁇ ⁇ co ⁇ 3 ⁇ CU: C ⁇ ? R - ⁇ ⁇
- the outer sleeve expediently has different outer diameters in the region of the sliding surfaces spaced apart from one another in the axial direction in order to facilitate the assembly of the vacuum brake booster.
- the outer diameter of the outer sleeve in the region of the sliding surface facing away from the input member of the vacuum brake booster can be larger than in the region of the sliding surface facing the input member.
- the outer sleeve can be designed to receive a separate ring element, which is used to fasten a movable wall to the control valve housing.
- a stop is preferably formed at the transition between the two sliding surfaces on the outer sleeve, with which the ring element interacts in the actuating direction of the vacuum brake booster and which allows the introduction of booster forces into the outer sleeve.
- a sensing element coupled by means of the actuating piston to the input member of the vacuum brake booster is guided within the inner sleeve, by means of which the actuating forces can be introduced into a reaction disk.
- a reaction piston Radially outside on the inner sleeve, a reaction piston can be guided, which for this purpose surrounds the inner sleeve radially on the outside, e.g. B. has cup-shaped section.
- the reaction disk can be arranged in the base of the sleeve-shaped section of the reaction flask. , 'J
- FIG. 1 shows the control valve housing of a vacuum brake booster according to the invention
- FIG. 2 shows a view of an input element of the vacuum brake booster . facing end of the
- FIG. 3 is a view of an end of the control valve housing according to FIG. 1 facing a vacuum chamber of the vacuum brake booster;
- FIG. 4 shows a longitudinal section through the control valve housing according to FIG. 1 along the section line A-A;
- FIG. 5 shows a cross section through the control valve housing according to FIG. 1 along the section line B-B from FIG. 4;
- the control valve housing 10 comprises a substantially cylindrical outer sleeve 12 which has two cylindrical sliding surfaces 14 and 16 which are spaced apart from one another in the axial direction.
- a first end face 18 of the control valve housing 10 faces an input element of the vacuum brake booster and a second, opposite end face 20 of the control valve housing 10 faces a vacuum chamber of the vacuum
- the first sliding surface 14 of the control valve housing 10 merges directly into the first end face 18 and has a ring outer diameter than the second sliding surface 16.
- the second sliding surface 16 opens at its end facing the second end face 20 of the control valve housing 10 into a diameter widening 22, within which a circumferential annular groove 24 is formed.
- the annular groove 24 serves to connect a diaphragm plate and a rolling membrane, which together form a first movable wall, to the control valve housing 10.
- a second movable wall is in the region of a transition 26 between the first sliding surface 14 and the second sliding surface 16 on the control valve housing 10 by means of a Fixed ring element described in more detail below.
- a stop 28 is formed in the region of the transition 26.
- a circumferential annular groove 30, 32 is arranged in the outer sleeve 12. The ring grooves 30, 32 each serve to receive one for connecting the ring element to the
- Control valve housing 10 provided and not shown in Fig. 1 ring. r
- the outer sleeve 12 of the control valve housing 10 has two openings 34, 36 on opposite sides, which are arranged at a distance from one another in the axial direction.
- the opening 34 facing the second end face 20 of the control valve housing 10 connects the two vacuum chambers of the vacuum brake booster designed in tandem design.
- a transverse bolt coupled to an actuating piston and extending perpendicular to the actuating piston extends.
- two web-shaped stops 38, 40 are formed within the opening 36. The web-shaped stops 38, 40 ensure that even when the crossbar KM or
- Fig. 4 is a longitudinal section A-A through the
- FIG. 5 shows a cross section through the control valve housing 10 according to FIG. 1 along the section line BB from FIG. 4.
- the position of the injection point 42 in the circumferential direction of the outer sleeve 12 is identified by an arrow and corresponds to the position of one of the two webs 76, 78 , by means of which the inner sleeve 48 is connected to the outer sleeve 12, in the circumferential direction.
- F- ⁇ ⁇ ⁇ cu ⁇ 03 O: d ⁇ ⁇ ⁇ F- ⁇ ⁇ F- d ⁇ F F- tu F- F- O F- F- F 3 F- F- ⁇ li 3 s: Hi ⁇ 3 F "ti 3 " 3 F C ⁇ 3 3 N ⁇ 3 C ⁇ ⁇ ⁇ Q 3- ⁇ 3 3 ⁇ £ t F- tu 3 ⁇ iQ ⁇ F
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002539181A JP2004513011A (ja) | 2000-11-02 | 2001-10-30 | 真空ブレーキブースタ |
DE50102354T DE50102354D1 (de) | 2000-11-02 | 2001-10-30 | Unterdruck-bremskraftverstärker |
KR10-2003-7006158A KR20030055297A (ko) | 2000-11-02 | 2001-10-30 | 진공 브레이크 부스터 |
AU2002214032A AU2002214032A1 (en) | 2000-11-02 | 2001-10-30 | Vacuum brake booster |
EP01982448A EP1330382B1 (de) | 2000-11-02 | 2001-10-30 | Unterdruck-bremskraftverstärker |
US10/427,632 US7134377B2 (en) | 2000-11-02 | 2003-04-30 | Vacuum brake booster |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10054251.4 | 2000-11-02 | ||
DE10054251A DE10054251B4 (de) | 2000-11-02 | 2000-11-02 | Steuerventilgehäuse für einen Unterdruck-Bremskraftverstärker |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/427,632 Continuation US7134377B2 (en) | 2000-11-02 | 2003-04-30 | Vacuum brake booster |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002036404A1 true WO2002036404A1 (de) | 2002-05-10 |
Family
ID=7661857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/012541 WO2002036404A1 (de) | 2000-11-02 | 2001-10-30 | Unterdruck-bremskraftverstärker |
Country Status (8)
Country | Link |
---|---|
US (1) | US7134377B2 (de) |
EP (1) | EP1330382B1 (de) |
JP (1) | JP2004513011A (de) |
KR (1) | KR20030055297A (de) |
AU (1) | AU2002214032A1 (de) |
DE (2) | DE10054251B4 (de) |
ES (1) | ES2219572T3 (de) |
WO (1) | WO2002036404A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4337569B2 (ja) * | 2004-02-06 | 2009-09-30 | 株式会社日立製作所 | 光ディスク記録装置、光ディスク記録方法及び光ディスク |
DE102005013432B4 (de) | 2004-03-26 | 2023-06-07 | Continental Automotive Technologies GmbH | Bremskraftverstärker |
DE102005055771B4 (de) * | 2005-11-21 | 2009-10-22 | R & W Antriebselemente Gmbh | Kupplungsnabe |
DE102006046715A1 (de) * | 2006-10-02 | 2008-04-03 | Lucas Automotive Gmbh | Bremskraftverstärkungseinrichtung mit mehrteiligem Steuerventilgehäuse |
KR102331405B1 (ko) | 2019-12-11 | 2021-11-26 | 주식회사 한중엔시에스 | 주행 특성 및 성향에 반응하여 재설정되는 진공부스터의 진공도 제어방법. |
KR102295767B1 (ko) | 2019-12-11 | 2021-08-31 | 주식회사 한중엔시에스 | 고도에 대한 차량 진공부스터의 진공압 제어방법 |
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-
2000
- 2000-11-02 DE DE10054251A patent/DE10054251B4/de not_active Expired - Fee Related
-
2001
- 2001-10-30 KR KR10-2003-7006158A patent/KR20030055297A/ko not_active Application Discontinuation
- 2001-10-30 EP EP01982448A patent/EP1330382B1/de not_active Expired - Lifetime
- 2001-10-30 ES ES01982448T patent/ES2219572T3/es not_active Expired - Lifetime
- 2001-10-30 WO PCT/EP2001/012541 patent/WO2002036404A1/de active IP Right Grant
- 2001-10-30 JP JP2002539181A patent/JP2004513011A/ja active Pending
- 2001-10-30 DE DE50102354T patent/DE50102354D1/de not_active Expired - Lifetime
- 2001-10-30 AU AU2002214032A patent/AU2002214032A1/en not_active Abandoned
-
2003
- 2003-04-30 US US10/427,632 patent/US7134377B2/en not_active Expired - Lifetime
Patent Citations (8)
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US3880978A (en) * | 1974-04-23 | 1975-04-29 | Ford Motor Co | Method for forming a remote annular rim of plastic material |
DE2927484A1 (de) * | 1978-07-08 | 1980-01-24 | Lucas Industries Ltd | Kraftverstaerker fuer fahrzeugbremsanlagen |
DE3339356A1 (de) * | 1983-10-29 | 1985-06-27 | SKF GmbH, 8720 Schweinfurt | Verfahren und vorrichtung zur herstellung von rollen |
US6013219A (en) * | 1995-10-20 | 2000-01-11 | Degrenier; Michael H. | Method and apparatus of injection molding a cover with a hole |
WO1999010216A1 (de) * | 1997-08-22 | 1999-03-04 | Lucas Industries Public Limited Company | Unterdruck-bremskraftverstärker |
WO2001010694A1 (de) * | 1999-08-10 | 2001-02-15 | Lucas Industries Public Limited Company | Pneumatischer bremskraftverstärker und verfahren zu dessen herstellung |
EP1079115A2 (de) * | 1999-08-24 | 2001-02-28 | WILO GmbH | Pumpengehäuse aus Kunststoff |
Also Published As
Publication number | Publication date |
---|---|
EP1330382A1 (de) | 2003-07-30 |
ES2219572T3 (es) | 2004-12-01 |
DE10054251A1 (de) | 2002-05-23 |
DE50102354D1 (de) | 2004-06-24 |
DE10054251B4 (de) | 2006-06-01 |
AU2002214032A1 (en) | 2002-05-15 |
US20030183072A1 (en) | 2003-10-02 |
KR20030055297A (ko) | 2003-07-02 |
US7134377B2 (en) | 2006-11-14 |
JP2004513011A (ja) | 2004-04-30 |
EP1330382B1 (de) | 2004-05-19 |
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