JPH0542946Y2 - - Google Patents
Info
- Publication number
- JPH0542946Y2 JPH0542946Y2 JP1989094911U JP9491189U JPH0542946Y2 JP H0542946 Y2 JPH0542946 Y2 JP H0542946Y2 JP 1989094911 U JP1989094911 U JP 1989094911U JP 9491189 U JP9491189 U JP 9491189U JP H0542946 Y2 JPH0542946 Y2 JP H0542946Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- constant pressure
- chamber
- power piston
- variable pressure
- 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.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims description 29
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000011324 bead Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- 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
- B60T13/563—Vacuum systems indirect, i.e. vacuum booster units with multiple booster units, e.g. tandem booster units
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Braking Systems And Boosters (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989094911U JPH0542946Y2 (US07368563-20080506-C00056.png) | 1989-08-11 | 1989-08-11 | |
AU57545/90A AU618902B2 (en) | 1989-08-11 | 1990-06-19 | Seal unit for brake booster |
US07/542,748 US5083496A (en) | 1989-08-11 | 1990-06-22 | Seal unit for brake booster |
KR2019900011682U KR920006887Y1 (ko) | 1989-08-11 | 1990-08-02 | 브레이크 배력장치의 시일장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989094911U JPH0542946Y2 (US07368563-20080506-C00056.png) | 1989-08-11 | 1989-08-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0335865U JPH0335865U (US07368563-20080506-C00056.png) | 1991-04-08 |
JPH0542946Y2 true JPH0542946Y2 (US07368563-20080506-C00056.png) | 1993-10-28 |
Family
ID=14123197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989094911U Expired - Lifetime JPH0542946Y2 (US07368563-20080506-C00056.png) | 1989-08-11 | 1989-08-11 |
Country Status (4)
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5355771A (en) * | 1992-08-28 | 1994-10-18 | Jidosha Kiki Co., Ltd. | Valve mechanism for brake booster |
US5323689A (en) * | 1992-09-24 | 1994-06-28 | Allied-Signal Inc. | Method of manufacturing a tandem brake booster |
JP2962341B2 (ja) * | 1993-10-08 | 1999-10-12 | 自動車機器株式会社 | 倍力装置のパワーピストン組立体 |
FR2908099B1 (fr) * | 2006-11-02 | 2009-01-09 | Bosch Gmbh Robert | Servomoteur pneumatique tandem d'assistance de freinage d'un vehicule |
JP5021447B2 (ja) * | 2007-12-21 | 2012-09-05 | 株式会社ダイセル | ガス発生器 |
JP5738256B2 (ja) * | 2012-10-12 | 2015-06-17 | 日信工業株式会社 | 負圧ブースタ |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2549818A (en) * | 1945-08-23 | 1951-04-24 | Joseph F Joy | Sealing device |
US3958497A (en) * | 1973-07-30 | 1976-05-25 | The Bendix Corporation | Wall means for a servomotor |
JPS5323913A (en) * | 1976-08-13 | 1978-03-06 | Fuso Kagaku Kogyo | Method of producing aldehyde |
JPS6114924Y2 (US07368563-20080506-C00056.png) * | 1977-11-08 | 1986-05-09 | ||
JPS56120443A (en) * | 1980-02-27 | 1981-09-21 | Aisin Seiki Co Ltd | Brake booster for automobile |
JPS5746206A (en) * | 1980-09-05 | 1982-03-16 | Nippon Telegr & Teleph Corp <Ntt> | Compound optical fiber |
US4512237A (en) * | 1982-01-16 | 1985-04-23 | Jidosha Kiki Co., Ltd. | Tandem type brake power servo booster |
US4534270A (en) * | 1982-12-01 | 1985-08-13 | Aisin Seiki Kabushiki Kaisha | Vacuum booster assembly |
JPS60108582U (ja) * | 1983-12-28 | 1985-07-23 | 自動車機器株式会社 | ブレ−キ倍力装置 |
JPS60154952A (ja) * | 1984-01-21 | 1985-08-14 | Jidosha Kiki Co Ltd | タンデムブレ−キ倍力装置 |
JPH0433181Y2 (US07368563-20080506-C00056.png) * | 1986-11-10 | 1992-08-10 | ||
US4881452A (en) * | 1987-09-03 | 1989-11-21 | General Motors Corporation | Tandem vacuum booster and diaphragm for same |
JPH0169068U (US07368563-20080506-C00056.png) * | 1987-10-28 | 1989-05-08 | ||
BR8900528A (pt) * | 1988-02-05 | 1989-10-03 | Lucas Ind Plc | Dispositivo reforcador pneumatico em conjunto tandem,especialmente para sistemas de freio hidraulico de veiculos |
US4984507A (en) * | 1988-07-26 | 1991-01-15 | Jidosha Kiki Co., Ltd. | Three chamber brake booster with variable pressure passages having a minimum channel length |
US4898081A (en) * | 1988-08-31 | 1990-02-06 | Allied-Signal Inc. | One Piece rear seal for servomotor |
JP2650213B2 (ja) * | 1988-12-15 | 1997-09-03 | 自動車機器株式会社 | 負圧倍力装置 |
-
1989
- 1989-08-11 JP JP1989094911U patent/JPH0542946Y2/ja not_active Expired - Lifetime
-
1990
- 1990-06-19 AU AU57545/90A patent/AU618902B2/en not_active Ceased
- 1990-06-22 US US07/542,748 patent/US5083496A/en not_active Expired - Fee Related
- 1990-08-02 KR KR2019900011682U patent/KR920006887Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US5083496A (en) | 1992-01-28 |
AU618902B2 (en) | 1992-01-09 |
JPH0335865U (US07368563-20080506-C00056.png) | 1991-04-08 |
AU5754590A (en) | 1991-02-14 |
KR910004267U (ko) | 1991-03-18 |
KR920006887Y1 (ko) | 1992-09-28 |
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