ES2042249T3 - Dispositivo de asistencia hidraulica para circuito de frenado. - Google Patents
Dispositivo de asistencia hidraulica para circuito de frenado.Info
- Publication number
- ES2042249T3 ES2042249T3 ES199090403579T ES90403579T ES2042249T3 ES 2042249 T3 ES2042249 T3 ES 2042249T3 ES 199090403579 T ES199090403579 T ES 199090403579T ES 90403579 T ES90403579 T ES 90403579T ES 2042249 T3 ES2042249 T3 ES 2042249T3
- Authority
- ES
- Spain
- Prior art keywords
- chamber
- button
- assistance device
- braking circuit
- hydraulic assistance
- 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
- 239000012530 fluid Substances 0.000 abstract 2
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
-
- 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
- B60T13/141—Systems with distributor valve
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
LA INVENCION CONCIERNE A UN DISPOSITIVO DE ASISTENCIA HIDRAULICA PARA CIRCUITO DE FRENADO, COMPRENDIENDO UN CUERPO (30) ATRAVESADO POR UN TUBO (32) EN EL QUE SE DESLIZAN UN PULSADOR (25) ACCIONADO POR UN PEDAL DE FRENO Y UN MEDIO PISTON SITUADO ENTRE LAS PRIMERAS (5) Y SEGUNDAS CAMARAS CONTENIENDO UN FLUIDO DE FRENADO, LA PRIMERA CAMARA (5) PROCEDE MEDIANTE UN RESORTE (51, 52) A CARGAR EL PULSADOR (25) Y EL MEDIO PISTON (34) A DISTANCIA UNO DEL OTRO, LAS PRIMERAS Y SEGUNDAS CAMARAS ESTAN CONECTADAS A LAS FUENTES DE FLUIDO CON BAJA PRESION Y CON ALTA PRESION MEDIANTE UNA VALVULA. SEGUN LA INVENCION, UNA CAMARA AUXILIAR (4) DE VOLUMEN VARIABLE EN FUNCION DE LA POSICION DEL PULSADOR (25) ACCIONADO DENTRO DEL TUBO (32) COMUNICA CON LA PRIMERA CAMARA (5), POR UNA PARTE PERMANECIENDO COMO INTERMEDIARIA DE UNA RESTRICCION (6) Y POR OTRA COMO INTERMEDIARIA DE UN MEDIO AUXILIAR DE LA VALVULA (3) AUTORIZANDO LA COMUNICACION DESDE QUE EL AUMENTO DE VOLUMEN DE LA CAMARA AUXILIAR Y PROHIBE LA DISMINUCION DE ESTAS.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9001118A FR2657574B1 (fr) | 1990-01-31 | 1990-01-31 | Dispositif d'assistance hydraulique pour circuit de freinage a amortisseur de course au relachement de la pedale de frein. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2042249T3 true ES2042249T3 (es) | 1993-12-01 |
Family
ID=9393267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES199090403579T Expired - Lifetime ES2042249T3 (es) | 1990-01-31 | 1990-12-13 | Dispositivo de asistencia hidraulica para circuito de frenado. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5086688A (es) |
| EP (1) | EP0439973B1 (es) |
| JP (1) | JPH04356267A (es) |
| DE (1) | DE69001996T2 (es) |
| ES (1) | ES2042249T3 (es) |
| FR (1) | FR2657574B1 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3489453B2 (ja) * | 1997-08-08 | 2004-01-19 | トヨタ自動車株式会社 | ブレーキストロークシミュレータ |
| DE102017211872A1 (de) * | 2017-07-12 | 2019-01-17 | Robert Bosch Gmbh | Hauptbremszylinder für eine hydraulische Fahrzeugbremsanlage |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2814364A (en) * | 1956-12-31 | 1957-11-26 | David W Lowe | Railway car impact retarder |
| US3168812A (en) * | 1958-03-19 | 1965-02-09 | Glenn T Randol | Hydraulic thrust-transmitting device |
| DE2164591C3 (de) * | 1971-12-24 | 1979-06-21 | Alfred Teves Gmbh, 6000 Frankfurt | Zweikreis-Hauptzylinder für eine Druckspeicher-Bremsanlage, insbesondere für Kraftfahrzeuge |
| FR2391884A2 (fr) * | 1976-04-12 | 1978-12-22 | Ferodo Sa | Commande hydraulique notamment de freins de vehicules automobiles |
| GB1585870A (en) * | 1977-11-05 | 1981-03-11 | Girling Ltd | Hydraulic control assemblies for vehicle braking systems |
| US4588054A (en) * | 1979-07-11 | 1986-05-13 | Lebaron Chester F | Linear motion damper |
| US4278009A (en) * | 1979-08-23 | 1981-07-14 | General Motors Corporation | Hydraulic brake booster |
| FR2473144A1 (fr) * | 1980-01-04 | 1981-07-10 | Fournales France Sarl | Dispositif combine amortisseur et suspension pour vehicule |
| JPS5768942U (es) * | 1980-10-14 | 1982-04-24 | ||
| US4558767A (en) * | 1983-02-03 | 1985-12-17 | Tayco Developments, Inc. | Fluid amplified shock absorber with rebound stiffening construction |
| US4656924A (en) * | 1984-09-10 | 1987-04-14 | Dresser Industries, Inc. | Pulsation limiter for manually actuated hydraulic valve |
| FR2620099B1 (fr) * | 1987-03-31 | 1989-12-01 | Bendix France | Dispositif d'assistance hydraulique pour circuit de freinage |
| US4938324A (en) * | 1988-12-05 | 1990-07-03 | Bike-O-Matic, Inc. | Automatic derailleur shifter |
| US4998950A (en) * | 1990-02-02 | 1991-03-12 | General Motors Corporation | Center compensating master cylinder |
-
1990
- 1990-01-31 FR FR9001118A patent/FR2657574B1/fr not_active Expired - Lifetime
- 1990-12-13 ES ES199090403579T patent/ES2042249T3/es not_active Expired - Lifetime
- 1990-12-13 EP EP90403579A patent/EP0439973B1/fr not_active Expired - Lifetime
- 1990-12-13 DE DE9090403579T patent/DE69001996T2/de not_active Expired - Fee Related
-
1991
- 1991-01-11 US US07/639,844 patent/US5086688A/en not_active Expired - Fee Related
- 1991-01-31 JP JP3029256A patent/JPH04356267A/ja not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2657574B1 (fr) | 1992-04-24 |
| DE69001996D1 (de) | 1993-07-22 |
| DE69001996T2 (de) | 1993-09-23 |
| EP0439973A1 (fr) | 1991-08-07 |
| JPH04356267A (ja) | 1992-12-09 |
| EP0439973B1 (fr) | 1993-06-16 |
| US5086688A (en) | 1992-02-11 |
| FR2657574A1 (fr) | 1991-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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