ES2168642T3 - Dispositivo de frenado asistido con reaccion hidraulica y seguridad aumentada. - Google Patents

Dispositivo de frenado asistido con reaccion hidraulica y seguridad aumentada.

Info

Publication number
ES2168642T3
ES2168642T3 ES97927231T ES97927231T ES2168642T3 ES 2168642 T3 ES2168642 T3 ES 2168642T3 ES 97927231 T ES97927231 T ES 97927231T ES 97927231 T ES97927231 T ES 97927231T ES 2168642 T3 ES2168642 T3 ES 2168642T3
Authority
ES
Spain
Prior art keywords
piston
primary
hydraulic circuit
main cylinder
force
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
ES97927231T
Other languages
English (en)
Inventor
Bacardit Juan Simon
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 Sistemas de Frenado SL
Original Assignee
Bosch Sistemas de Frenado SL
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 Sistemas de Frenado SL filed Critical Bosch Sistemas de Frenado SL
Application granted granted Critical
Publication of ES2168642T3 publication Critical patent/ES2168642T3/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
    • B60T13/573—Vacuum systems indirect, i.e. vacuum booster units characterised by reaction devices
    • 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
    • B60T13/565—Vacuum systems indirect, i.e. vacuum booster units characterised by being associated with master cylinders, e.g. integrally formed

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

LA INVENCION SE REFIERE A UN DISPOSITIVO DE FRENADO ASISTIDO PARA VEHICULO A MOTOR QUE COMPRENDE, POR UNA PARTE, UN CILINDRO PRINCIPAL (200) EQUIPADO CON UN PISTON PRIMARIO (30) DESTINADO A RECIBIR UNA FUERZA DE ACCIONAMIENTO PARA GENERAR UN AUMENTO DE PRESION EN UN CIRCUITO HIDRAULICO PRIMARIO (I), Y CON UN PISTON HIDRAULICO SECUNDARIO (31) SOMETIDO A LA PRESION HIDRAULICA EN EL CIRCUITO HIDRAULICO PRIMARIO (1) Y QUE GENERA UN AUMENTO DE PRESION EN UN CIRCUITO HIDRAULICO SECUNDARIO (II) Y, POR OTRA PARTE, UN SERVOMOTOR NEUMATICO DE ASISTENCIA (100) SUSCEPTIBLE DE SER CONTROLADO POR LA APLICACION DE LA FUERZA DE ENTRADA PARA EJERCER LA FUERZA DE ACCIONAMIENTO SOBRE EL PISTON PRIMARIO (30), COMPRENDIENDO EL PISTON PRIMARIO (30) DEL CILINDRO PRINCIPAL (200) EL MISMO UN CILINDRO MOVIL (32), HUECO, QUE SE COMUNICA CON EL CIRCUITO HIDRAULICO PRIMARIO (I) DEL CILINDRO PRINCIPAL Y EN CUYO INTERIOR SE DESLIZA, DE MANERA ESTANCA Y SIGUIENDO LA DIRECCION AXIAL, UN PISTON DE REACCION (34), PRIMEROS MEDIOS ELASTICOS (46) QUE EJERCEN UNA PRIMERA FUERZA ELASTICA ENTRE EL PISTON DE REACCION (34) Y EL CILINDRO MOVIL (32) Y QUE OBLIGA EL PISTON DE REACCION (34) EN DIRECCION AL CILINDRO PRINCIPAL (200), PRACTICANDO AL MENOS UNA ABERTURA (36) EN EL CILINDRO MOVIL (32) PARA HACER COMUNICAR EL INTERIOR (35) DE ESTE ULTIMO CON EL INTERIOR (V) DEL CILINDRO PRINCIPAL. SEGUN LA INVENCION, EL CILINDRO MOVIL (32) INCLUYE UNA PIEZA DE REACCION (766) EN LA QUE ES SUSCEPTIBLE DE TOPAR UNA PARTE DE EXTREMO (58) DEL PISTON DE REACCION (34) PARA EJERCER UNA FUERZA PROPORCIONAL A LA FUERZA GENERADA POR LA PRESION HIDRAULICA DEL CIRCUITO HIDRAULICA SECUNDARIA (II) QUE SE EJERCE EN EL PISTON SECUNDARIO (31) AL PRODUCIRSE UN FALLO DEL CIRCUITO HIDRAULICO PRIMARIO (I).
ES97927231T 1996-08-09 1997-06-04 Dispositivo de frenado asistido con reaccion hidraulica y seguridad aumentada. Expired - Lifetime ES2168642T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9610188A FR2752210B1 (fr) 1996-08-09 1996-08-09 Dispositif de freinage assiste a reaction hydraulique et securite accrue

Publications (1)

Publication Number Publication Date
ES2168642T3 true ES2168642T3 (es) 2002-06-16

Family

ID=9495045

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97927231T Expired - Lifetime ES2168642T3 (es) 1996-08-09 1997-06-04 Dispositivo de frenado asistido con reaccion hidraulica y seguridad aumentada.

Country Status (8)

Country Link
US (1) US5941071A (es)
EP (1) EP0915791B1 (es)
JP (1) JP4061603B2 (es)
KR (1) KR20000029871A (es)
DE (1) DE69709116T2 (es)
ES (1) ES2168642T3 (es)
FR (1) FR2752210B1 (es)
WO (1) WO1998006613A1 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2778616B1 (fr) * 1998-05-14 2000-07-13 Bosch Sist De Frenado Sl Maitre-cylindre a reaction hydraulique independante de la viscosite
FR2781193B1 (fr) * 1998-07-16 2000-09-15 Bosch Syst Freinage Maitre-cylindre perfectionne a reaction hydraulique et auto-assistance selective
FR2784953B1 (fr) * 1998-10-26 2001-02-09 Bosch Syst Freinage Maitre-cylindre a reaction hydraulique dynamiquement modulable
FR2817221B1 (fr) * 2000-11-24 2003-01-10 Bosch Gmbh Robert Dispositif de freinage assiste, a fonctionnement ameliore, pour vehicule a moteur
FR2817224B1 (fr) * 2000-11-29 2003-01-10 Bosch Gmbh Robert Dispositif de freinage assiste pour vehicule a moteur
DE10108775B4 (de) * 2001-02-23 2006-04-06 Lucas Automotive Gmbh Hauptzylinder
US7014276B2 (en) * 2001-08-24 2006-03-21 Aisin Seiki Kabushiki Kaisha Vacuum booster

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109287A (en) * 1961-11-02 1963-11-05 Bendix Corp Split system power brake
BE676228A (es) * 1965-07-23 1966-06-16
JPS4929542B1 (es) * 1966-09-24 1974-08-05
US3470695A (en) * 1967-09-18 1969-10-07 Teves Gmbh Alfred Vacuum-assist power brake
DE3401402C2 (de) * 1984-01-17 1993-09-30 Teves Gmbh Alfred Vakuumbremskraftverstärker
FR2658466B1 (fr) * 1990-02-21 1994-12-02 Bendix Europ Services Tech Ensemble d'un servomoteur d'assistance au freinage et d'un maitre cylindre.
FR2724354A1 (fr) * 1994-09-08 1996-03-15 Alliedsignal Europ Services Dispositif de freinage assiste a course masquee et a securite accrue

Also Published As

Publication number Publication date
FR2752210A1 (fr) 1998-02-13
JP2001501886A (ja) 2001-02-13
DE69709116T2 (de) 2002-06-27
FR2752210B1 (fr) 1998-09-18
EP0915791A1 (fr) 1999-05-19
JP4061603B2 (ja) 2008-03-19
WO1998006613A1 (fr) 1998-02-19
KR20000029871A (ko) 2000-05-25
EP0915791B1 (fr) 2001-12-12
US5941071A (en) 1999-08-24
DE69709116D1 (de) 2002-01-24

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