ES2136325T3 - Servomotor neumatico de asistencia al frenado con valvula flexible. - Google Patents

Servomotor neumatico de asistencia al frenado con valvula flexible.

Info

Publication number
ES2136325T3
ES2136325T3 ES95942260T ES95942260T ES2136325T3 ES 2136325 T3 ES2136325 T3 ES 2136325T3 ES 95942260 T ES95942260 T ES 95942260T ES 95942260 T ES95942260 T ES 95942260T ES 2136325 T3 ES2136325 T3 ES 2136325T3
Authority
ES
Spain
Prior art keywords
chapaleta
annular
seat
ring
push
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
Application number
ES95942260T
Other languages
English (en)
Inventor
Jean Pierre Gautier
Ulysse Verbo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Systemes de Freinage SAS
Original Assignee
Bosch Systemes de Freinage SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bosch Systemes de Freinage SAS filed Critical Bosch Systemes de Freinage SAS
Application granted granted Critical
Publication of ES2136325T3 publication Critical patent/ES2136325T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

LA INVENCION SE REFIERE A UN SERVOMOTOR NEUMATICO DE ASISTENCIA A LA FRENADA, QUE LLEVA UNA ENVOLTURA (10) QUE POSEE UN EJE DE SIMETRIA (X-X''), SEPARADA DE MANERA ESTANCA POR UNA ESTRUCTURA DE PARED MOVIL (12) EN UNA CAMARA DELANTERA (14) CONECTADA PERMANENTEMENTE A UNA FUENTE DE BAJA PRESION, Y UNA CAMARA TRASERA (16) CONECTADA RELATIVAMENTE A LA CAMARA DELANTERA (14) O A UNA FUENTE DE ALTA PRESION POR UN MEDIO DE VALVULA DE TRES VIAS (36) ACCIONADA POR UNA VARILLA DE CONTROL (30) SUSCEPTIBLE DE APOYARSE, MEDIANTE LA CARA DELANTERA DE UN EMBOLO (28) SOBRE LA CARA TRASERA DE UNA VARILLA DE EMPUJE (48) SOLIDARIA A UN DISCO DE REACCION (49), DESLIZANDOSE EL EMBOLO (28) EN UN ESCARIADO (26), DE LA PARED MOVIL (12), LLEVANDO LA VALVULA DE TRES VIAS (36) UN ELEMENTO DE CHAPALETA (36) DISPUESTO EN UNA PARTE TRASERA TUBULAR (22) DE LA PARED MOVIL (12) Y QUE COOPERA POR UNA PRIMERA ZONA ANULAR (40I) DE UNA CARA DELANTERA ANULAR (40) CON UN SEGUNDO ASIENTO ANULAR DE CHAPALETA (20A) FORMADO SOBRE LAPARED MOVIL (12), SIENDO EL PRIMER ASIENTO DE CHAPALETA CONCENTRICO AL SEGUNDO ASIENTO DE CHAPALETA (20A) Y EL DIAMETRO INFERIOR, ESTANDO LA CARA DELANTERA ANULAR (40) DEL ELEMENTO DE CHAPALETA SOLICITADO EN DIRECCION A LOS ASIENTOS ANULARES DE CHAPALETA (20A,28A) POR UN MUELLE DE CHAPALETA (42) Y ESTANDO REFORZADA POR UN INSERTO ANULAR RIGIDO (46,46'',56,56'').SEGUN LA INVENCION, EL INSERTO ANULAR RIGIDO (46,56) ESTA SITUADO AXIALMENTE POR DETRAS DE UNA SOLA (40E) DE LAS ZONAS (40E,40I) POR LAS CUALES LA CARA DELANTERA ANULAR (40) DEL ELEMENTO DE CHAPALETA (36) COOPERA CON UNO (20A) DE LOS ASIENTOS ANULARES DE CHAPALETAS (20A,28A).
ES95942260T 1995-01-18 1995-12-13 Servomotor neumatico de asistencia al frenado con valvula flexible. Expired - Lifetime ES2136325T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9500488A FR2729356A1 (fr) 1995-01-18 1995-01-18 Servomoteur pneumatique d'assistance au freinage a clapet souple

Publications (1)

Publication Number Publication Date
ES2136325T3 true ES2136325T3 (es) 1999-11-16

Family

ID=9475210

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95942260T Expired - Lifetime ES2136325T3 (es) 1995-01-18 1995-12-13 Servomotor neumatico de asistencia al frenado con valvula flexible.

Country Status (6)

Country Link
US (1) US5657680A (es)
EP (1) EP0802870B1 (es)
DE (1) DE69511898T2 (es)
ES (1) ES2136325T3 (es)
FR (1) FR2729356A1 (es)
WO (1) WO1996022210A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6470790B1 (en) * 2001-10-16 2002-10-29 Robert Bosch Corporation Push rod for a brake booster
FR2848965B1 (fr) * 2002-12-20 2005-03-11 Bosch Gmbh Robert Servomoteur d'assistance pneumatique de freinage d'un vehicule muni d'un dispositif d'asservissement mecanique supplementaire
DE102011016830A1 (de) 2011-04-12 2012-10-18 Lucas Automotive Gmbh Bremskraftverstärker mit stellungsabhängigem Druckausgleich

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5760984B2 (es) * 1975-02-18 1982-12-22 Nisshin Kogyo Kk
US4399736A (en) * 1981-02-23 1983-08-23 General Motors Corporation Vacuum suspended brake booster control valve
DE3920766C3 (de) * 1989-06-24 2002-09-19 Continental Teves Ag & Co Ohg Unterdruckbremskraftverstärker für eine schlupfgeregelte Bremsanlage
FR2706543B1 (fr) * 1993-06-14 1995-09-01 Alliedsignal Europ Services Dispositif de commande pneumatique à charge réduite.
JP3575627B2 (ja) * 1994-06-30 2004-10-13 株式会社ボッシュオートモーティブシステム 倍力装置の弁機構

Also Published As

Publication number Publication date
EP0802870B1 (fr) 1999-09-01
FR2729356B1 (es) 1997-02-28
DE69511898D1 (de) 1999-10-07
US5657680A (en) 1997-08-19
EP0802870A1 (fr) 1997-10-29
WO1996022210A1 (fr) 1996-07-25
DE69511898T2 (de) 2000-01-20
FR2729356A1 (fr) 1996-07-19

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