FR2432413A1 - Unite de freinage assiste pour vehicules automobiles - Google Patents
Unite de freinage assiste pour vehicules automobilesInfo
- Publication number
- FR2432413A1 FR2432413A1 FR7917714A FR7917714A FR2432413A1 FR 2432413 A1 FR2432413 A1 FR 2432413A1 FR 7917714 A FR7917714 A FR 7917714A FR 7917714 A FR7917714 A FR 7917714A FR 2432413 A1 FR2432413 A1 FR 2432413A1
- Authority
- FR
- France
- Prior art keywords
- motor vehicles
- assisted braking
- braking unit
- piston
- multiplication
- 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
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
- B60T13/12—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 liquid
- B60T13/14—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 liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
- B60T13/143—Master cylinder mechanically coupled with booster
- B60T13/144—Pilot valve provided inside booster piston
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
- Braking Arrangements (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
L'invention concerne une unité de freinage assisté pour véhicules automobiles. Cette unité comprend une soupape de freinage 3 à travers laquelle du fluide venant d'une source de pression est introduit dans une chambre d'amplification 4 pour actionner un piston d'amplification 2. Il est prévu une multiplication hydraulique du rapport de transmission qui réduit la course d'actionnement de la pédale quand la source de fluide est intacte et est sans effet le cas de défaillance de la source. Cette multiplication est prévue entre un piston d'entrée 12 relié à la pédale de frein et un piston d'actionnement 11 relié à la soupape de frein 3. L'invention s'applique aux unités de freinage à assistance hydraulique pour véhicules automobiles
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782834018 DE2834018A1 (de) | 1978-08-03 | 1978-08-03 | Bremsgeraet fuer kraftfahrzeuge |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2432413A1 true FR2432413A1 (fr) | 1980-02-29 |
FR2432413B1 FR2432413B1 (fr) | 1983-02-11 |
Family
ID=6046098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7917714A Granted FR2432413A1 (fr) | 1978-08-03 | 1979-07-09 | Unite de freinage assiste pour vehicules automobiles |
Country Status (8)
Country | Link |
---|---|
US (1) | US4283994A (fr) |
JP (1) | JPS5525691A (fr) |
DE (1) | DE2834018A1 (fr) |
ES (1) | ES483078A1 (fr) |
FR (1) | FR2432413A1 (fr) |
GB (1) | GB2027143B (fr) |
IT (1) | IT1122218B (fr) |
SE (1) | SE437800B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2498143A1 (fr) * | 1981-01-21 | 1982-07-23 | Lucas Industries Ltd | Perfectionnements aux renforcateurs de commande de frein pour vehicules |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2948427A1 (de) * | 1979-12-01 | 1981-07-09 | Alfred Teves Gmbh, 6000 Frankfurt | Hydraulischer verstaerker |
EP0038699B1 (fr) * | 1980-04-23 | 1984-04-11 | LUCAS INDUSTRIES public limited company | Amplificateur commandé par force |
US4490977A (en) * | 1981-05-18 | 1985-01-01 | The Bendix Corporation | Hydraulic brake booster |
DE3444829A1 (de) * | 1984-12-08 | 1986-06-12 | Robert Bosch Gmbh, 7000 Stuttgart | Bremskraftverstaerker |
DE3523372A1 (de) * | 1985-06-29 | 1987-01-02 | Teves Gmbh Alfred | Bremsdruckgeber fuer eine hydraulische bremsanlage, insbesondere fuer kraftfahrzeuge |
JP2854421B2 (ja) * | 1991-02-06 | 1999-02-03 | 曙ブレーキ工業株式会社 | 液圧式倍力装置 |
US8646357B2 (en) | 2009-12-02 | 2014-02-11 | Ford Global Technologies, Llc | Vehicle braking assembly with gap management system |
US8607660B2 (en) | 2009-12-02 | 2013-12-17 | Ford Global Technologies, Llc | Vehicle braking assembly |
US9868427B2 (en) | 2015-10-14 | 2018-01-16 | Robert Bosch Gmbh | Vehicle hydraulic brake booster system and method |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3075499A (en) * | 1960-09-16 | 1963-01-29 | Bendix Corp | Servomotor with normally stationary valve structure |
US3113489A (en) * | 1962-04-09 | 1963-12-10 | Wagner Electric Corp | Servo motor |
FR2138959A1 (fr) * | 1971-05-25 | 1973-01-05 | Bendix Gmbh | |
FR2164934A1 (fr) * | 1971-12-24 | 1973-08-03 | Teves Gmbh Alfred | |
FR2164879A1 (fr) * | 1971-12-24 | 1973-08-03 | Teves Gmbh Alfred | |
FR2208809A1 (fr) * | 1972-11-30 | 1974-06-28 | Girling Ltd | |
FR2209902A2 (fr) * | 1971-05-25 | 1974-07-05 | Bendix Gmbh | |
FR2222558A1 (fr) * | 1973-03-23 | 1974-10-18 | Bendix Corp | |
DE2460529A1 (de) * | 1973-12-22 | 1975-07-03 | Girling Ltd | Hauptzylinder fuer hydraulische bremsanlagen |
US4075848A (en) * | 1975-02-07 | 1978-02-28 | Aisin Seiki Kabushiki Kaisha | Hydraulic brake booster |
FR2367206A1 (fr) * | 1976-10-08 | 1978-05-05 | Wabco Westinghouse Gmbh | Amplificateur de force pour equipements hydrauliques, de freinage en particulier |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR7307513D0 (pt) * | 1972-10-02 | 1974-08-22 | Midland Ross Corp | Mecanismo reforcador de freio hidraulico |
US3915066A (en) * | 1972-12-08 | 1975-10-28 | Bendix Gmbh | Power boost mechanism |
JPS5112068A (fr) * | 1974-07-19 | 1976-01-30 | Nisshin Kogyo Kk |
-
1978
- 1978-08-03 DE DE19782834018 patent/DE2834018A1/de not_active Withdrawn
-
1979
- 1979-06-28 GB GB7922542A patent/GB2027143B/en not_active Expired
- 1979-07-09 FR FR7917714A patent/FR2432413A1/fr active Granted
- 1979-07-16 US US06/057,763 patent/US4283994A/en not_active Expired - Lifetime
- 1979-07-20 IT IT24503/79A patent/IT1122218B/it active
- 1979-07-31 SE SE7906490A patent/SE437800B/sv not_active IP Right Cessation
- 1979-08-02 ES ES483078A patent/ES483078A1/es not_active Expired
- 1979-08-03 JP JP9874979A patent/JPS5525691A/ja active Granted
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3075499A (en) * | 1960-09-16 | 1963-01-29 | Bendix Corp | Servomotor with normally stationary valve structure |
US3113489A (en) * | 1962-04-09 | 1963-12-10 | Wagner Electric Corp | Servo motor |
FR2138959A1 (fr) * | 1971-05-25 | 1973-01-05 | Bendix Gmbh | |
FR2209902A2 (fr) * | 1971-05-25 | 1974-07-05 | Bendix Gmbh | |
FR2164934A1 (fr) * | 1971-12-24 | 1973-08-03 | Teves Gmbh Alfred | |
FR2164879A1 (fr) * | 1971-12-24 | 1973-08-03 | Teves Gmbh Alfred | |
FR2208809A1 (fr) * | 1972-11-30 | 1974-06-28 | Girling Ltd | |
FR2222558A1 (fr) * | 1973-03-23 | 1974-10-18 | Bendix Corp | |
DE2460529A1 (de) * | 1973-12-22 | 1975-07-03 | Girling Ltd | Hauptzylinder fuer hydraulische bremsanlagen |
US4075848A (en) * | 1975-02-07 | 1978-02-28 | Aisin Seiki Kabushiki Kaisha | Hydraulic brake booster |
FR2367206A1 (fr) * | 1976-10-08 | 1978-05-05 | Wabco Westinghouse Gmbh | Amplificateur de force pour equipements hydrauliques, de freinage en particulier |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2498143A1 (fr) * | 1981-01-21 | 1982-07-23 | Lucas Industries Ltd | Perfectionnements aux renforcateurs de commande de frein pour vehicules |
Also Published As
Publication number | Publication date |
---|---|
IT7924503A0 (it) | 1979-07-20 |
FR2432413B1 (fr) | 1983-02-11 |
SE7906490L (sv) | 1980-02-04 |
GB2027143A (en) | 1980-02-13 |
GB2027143B (en) | 1982-07-07 |
US4283994A (en) | 1981-08-18 |
JPH0112705B2 (fr) | 1989-03-01 |
JPS5525691A (en) | 1980-02-23 |
DE2834018A1 (de) | 1980-02-14 |
SE437800B (sv) | 1985-03-18 |
IT1122218B (it) | 1986-04-23 |
ES483078A1 (es) | 1980-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |