FR2450184A1 - Installation de freinage hydraulique assiste perfectionnee - Google Patents
Installation de freinage hydraulique assiste perfectionneeInfo
- Publication number
- FR2450184A1 FR2450184A1 FR8004299A FR8004299A FR2450184A1 FR 2450184 A1 FR2450184 A1 FR 2450184A1 FR 8004299 A FR8004299 A FR 8004299A FR 8004299 A FR8004299 A FR 8004299A FR 2450184 A1 FR2450184 A1 FR 2450184A1
- Authority
- FR
- France
- Prior art keywords
- valve
- pump
- braking system
- assistance device
- pilot valve
- 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.)
- Withdrawn
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
-
- 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
- B60T13/148—Arrangements for pressure supply
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
CETTE INSTALLATION DE FREINAGE HYDRAULIQUE ASSISTE COMPREND UNE POMPE 12, UN DISPOSITIF D'ASSISTANCE 16 QUI RECOIT LA PRESSION DE LA POMPE A TRAVERS LE BOITIER DU MECANISME 14 DE DIRECTION ASSISTEE ET UN CLAPET ANTI-RETOUR 26. UNE SOUPAPE PILOTE 38 EST INTERCALEE ENTRE UN POINT PLACE EN AMONT DU CLAPET ANTI-RETOUR 26 ET LE RESERVOIR 18 DE LA POMPE 12, UNE SOUPAPE DE SURETE 42 ETANT INTERCALEE ENTRE LA DERIVATION 34 DE COMMANDE DE LA SOUPAPE PILOTE ET LE RESERVOIR 18. UN ACCUMULATEUR 30 EST INTERCALE ENTRE LE CLAPET 26 ET LE DISPOSITIF D'ASSISTANCE 16. LORSQUE L'ACCUMULATEUR 30 ET LE DISPOSITIF 16 SONT CHARGES, LEUR PRESSION AGIT SUR LA SOUPAPE PILOTE 38 POUR OUVRIR LA COMMUNICATION ENTRE L'ENTREE 44 ET LA SORTIE 54 DE CETTE SOUPAPE. LA POMPE 12 DEBITE ALORS A TRAVERS LE MECANISME DE DIRECTION 14 ET LA SOUPAPE 38 SANS FAIRE CIRCULER INUTILEMENT LE LIQUIDE A TRAVERS LE CLAPET 26 ET DANS LE DISPOSITIF D'ASSISTANCE 16.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/016,208 US4319455A (en) | 1979-02-28 | 1979-02-28 | Hydraulic power brake system and hydraulic brake booster and controls therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2450184A1 true FR2450184A1 (fr) | 1980-09-26 |
Family
ID=21775946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8004299A Withdrawn FR2450184A1 (fr) | 1979-02-28 | 1980-02-27 | Installation de freinage hydraulique assiste perfectionnee |
Country Status (4)
Country | Link |
---|---|
US (1) | US4319455A (fr) |
DE (1) | DE3004798A1 (fr) |
FR (1) | FR2450184A1 (fr) |
GB (1) | GB2044377B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2508858A1 (fr) * | 1981-07-04 | 1983-01-07 | Lucas Ind Plc | Perfectionnements aux renforcateurs hydrauliques pour systemes de freinage de vehicules |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5851504B2 (ja) * | 1979-01-17 | 1983-11-16 | 日産自動車株式会社 | 油圧ブ−スタ |
US4468927A (en) * | 1981-11-07 | 1984-09-04 | Lucas Industries Public Limited Company | Hydraulic boosters for vehicle braking systems |
DE3147003C2 (de) * | 1981-11-27 | 1984-04-05 | Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen | Mechanische Gangschalteinrichtung |
US4754604A (en) * | 1985-04-29 | 1988-07-05 | General Motors Corporation | Hydraulic brake booster with tubular conduit return spring |
US5884548A (en) * | 1996-08-12 | 1999-03-23 | Tokico Ltd. | Pressure differential operated brake booster |
US6565160B1 (en) * | 2000-02-15 | 2003-05-20 | Ford Global Technologies, Inc. | Pressure releasable vehicle pedal assembly |
US6880447B2 (en) * | 2001-02-15 | 2005-04-19 | Continental Teves Ag & Co. Ohg | Brake force transmission device for a brake force amplifier |
JP4630070B2 (ja) * | 2005-01-17 | 2011-02-09 | 本田技研工業株式会社 | 液圧ブレーキ装置 |
US9868427B2 (en) * | 2015-10-14 | 2018-01-16 | Robert Bosch Gmbh | Vehicle hydraulic brake booster system and method |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3050944A (en) * | 1955-03-25 | 1962-08-28 | Wagner Electric Corp | Power hydraulic brake device |
US3361151A (en) * | 1963-06-27 | 1968-01-02 | Gen Motors Corp | Belleville spring controlled bypass valve |
US3364821A (en) * | 1963-06-27 | 1968-01-23 | Gen Motors Corp | Valving for hydraulic power brake system |
DE1430568A1 (de) * | 1962-10-22 | 1968-12-05 | Bendix Corp | Anordnung an Servobremsen |
DE2003554A1 (de) * | 1969-01-27 | 1970-08-06 | Bendix Corp | Reglerventil |
FR2032610A5 (fr) * | 1970-01-12 | 1970-11-27 | Bendix Corp | |
DE2163643A1 (de) * | 1970-12-21 | 1972-07-06 | Bendix Corp | Vorrichtung zum Aufladen eines Druckspeichers |
FR2169120A1 (fr) * | 1972-01-22 | 1973-09-07 | Teves Gmbh Alfred | |
FR2289377A1 (fr) * | 1974-10-30 | 1976-05-28 | Daimler Benz Ag | Dispositif modifiant automatiquement le rapport d'amplification de l'effort exerce sur une pedale de freinage lorsque l'energie auxiliaire fournie par le servofrein fait defaut |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3054387A (en) * | 1959-09-21 | 1962-09-18 | Gen Motors Corp | Hydraulic booster unit |
US3633363A (en) * | 1970-06-03 | 1972-01-11 | Bendix Corp | Hydraulic boost device with emergency fluid supply |
US3707880A (en) * | 1970-12-18 | 1973-01-02 | Bendix Corp | Hydraulic brake booster with piston return device |
US3677002A (en) * | 1971-02-04 | 1972-07-18 | Bendix Corp | Subsidiary supply for hydraulic brake booster |
FR2214252A5 (fr) * | 1973-01-15 | 1974-08-09 | Poclain Sa | |
US4075840A (en) * | 1976-10-06 | 1978-02-28 | Clark Equipment Company | Brake and steering system |
US4163412A (en) * | 1977-10-03 | 1979-08-07 | Towmotor Corporation | Fluid cylinder control with precision stop action |
-
1979
- 1979-02-28 US US06/016,208 patent/US4319455A/en not_active Expired - Lifetime
-
1980
- 1980-02-07 DE DE19803004798 patent/DE3004798A1/de not_active Withdrawn
- 1980-02-21 GB GB8005948A patent/GB2044377B/en not_active Expired
- 1980-02-27 FR FR8004299A patent/FR2450184A1/fr not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3050944A (en) * | 1955-03-25 | 1962-08-28 | Wagner Electric Corp | Power hydraulic brake device |
DE1430568A1 (de) * | 1962-10-22 | 1968-12-05 | Bendix Corp | Anordnung an Servobremsen |
US3361151A (en) * | 1963-06-27 | 1968-01-02 | Gen Motors Corp | Belleville spring controlled bypass valve |
US3364821A (en) * | 1963-06-27 | 1968-01-23 | Gen Motors Corp | Valving for hydraulic power brake system |
DE2003554A1 (de) * | 1969-01-27 | 1970-08-06 | Bendix Corp | Reglerventil |
FR2032610A5 (fr) * | 1970-01-12 | 1970-11-27 | Bendix Corp | |
DE2163643A1 (de) * | 1970-12-21 | 1972-07-06 | Bendix Corp | Vorrichtung zum Aufladen eines Druckspeichers |
FR2169120A1 (fr) * | 1972-01-22 | 1973-09-07 | Teves Gmbh Alfred | |
FR2289377A1 (fr) * | 1974-10-30 | 1976-05-28 | Daimler Benz Ag | Dispositif modifiant automatiquement le rapport d'amplification de l'effort exerce sur une pedale de freinage lorsque l'energie auxiliaire fournie par le servofrein fait defaut |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2508858A1 (fr) * | 1981-07-04 | 1983-01-07 | Lucas Ind Plc | Perfectionnements aux renforcateurs hydrauliques pour systemes de freinage de vehicules |
Also Published As
Publication number | Publication date |
---|---|
GB2044377A (en) | 1980-10-15 |
GB2044377B (en) | 1982-12-22 |
US4319455A (en) | 1982-03-16 |
DE3004798A1 (de) | 1980-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |