ES2167607T3 - Servomotor neumatico de asistencia al frenado con valvula perfeccionada. - Google Patents

Servomotor neumatico de asistencia al frenado con valvula perfeccionada.

Info

Publication number
ES2167607T3
ES2167607T3 ES96934910T ES96934910T ES2167607T3 ES 2167607 T3 ES2167607 T3 ES 2167607T3 ES 96934910 T ES96934910 T ES 96934910T ES 96934910 T ES96934910 T ES 96934910T ES 2167607 T3 ES2167607 T3 ES 2167607T3
Authority
ES
Spain
Prior art keywords
chamber
pressure source
pneumatic brake
brake assistance
mandrinate
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
ES96934910T
Other languages
English (en)
Inventor
Roland Levrai
Christian Tanguy
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 ES2167607T3 publication Critical patent/ES2167607T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting 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
    • B60T13/10Transmitting 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
    • B60T13/24Transmitting 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
    • B60T13/46Vacuum systems
    • B60T13/52Vacuum systems indirect, i.e. vacuum booster units
    • B60T13/57Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of control valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T13/00Transmitting 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
    • B60T13/10Transmitting 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
    • B60T13/24Transmitting 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
    • B60T13/241Differential pressure systems
    • B60T13/246The control valve is provided apart from the servomotor cylinder
    • B60T13/248Mechanical command of the control valve, hydraulic transmission to the brakes

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 AL FRENADO QUE CONSTA DE UNA CUBIERTA (10) CON UN EJE DE SIMETRIA (X - X ) DIVIDIDA DE FORMA ESTANCA POR AL MENOS UNA ESTRUCTURA DE TABIQUE MOVIL (12) EN AL MENOS UNA CAMARA DELANTERA (14) CONECTADA DE FORMA PERMANENTE A UNA FUENTE DE BAJA PRESION Y AL MENOS UNA CAMARA TRASERA (16) CONECTADA SELECTIVAMENTE A LA CAMARA DELANTERA (14) O A UNA FUENTE DE ALTA PRESION POR MEDIO DE UNA VALVULA DE TRES VIAS; ESTA ULTIMA VA PROVISTA DE UN EMBOLO (28, 128) QUE SE DESLIZA POR UN MANDRINADO (26, 126) DE UN PISTON (20, 90) Y VA UNIDO A UNA VARILLA DE MANDO (30, 130); LA POSICION DEL EMBOLO (28, 128) EN EL MANDRINADO (26, 126) DETERMINA LA COMUNICACION ENTRE LAS CAMARAS DELANTERA (14) Y TRASERA (16) O LA COMUNICACION ENTRE LA CAMARA TRASERA (16) Y LA FUENTE DE ALTA PRESION. SEGUN LA INVENCION, SE HA DISPUESTO EN EL PISTON (20, 90) UNA ESTRUCTURA DE SOPORTE (38, 138) EQUIPADA CON DOS JUNTAS ANULARES (46, 48; 146, 148) QUE COOPERAN CON UNA SUPERFICIE CILINDRICA (34, 134) DEL EMBOLO (28, 128) Y UNA PARTE MEDIA (40, 140) DE GUIADO DEL DESLIZAMIENTO DEL EMBOLO (28, 128).
ES96934910T 1996-01-30 1996-10-15 Servomotor neumatico de asistencia al frenado con valvula perfeccionada. Expired - Lifetime ES2167607T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9601043A FR2744085B1 (fr) 1996-01-30 1996-01-30 Servomoteur pneumatique d'assistance au freinage a clapet perfectionne

Publications (1)

Publication Number Publication Date
ES2167607T3 true ES2167607T3 (es) 2002-05-16

Family

ID=9488597

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96934910T Expired - Lifetime ES2167607T3 (es) 1996-01-30 1996-10-15 Servomotor neumatico de asistencia al frenado con valvula perfeccionada.

Country Status (7)

Country Link
US (1) US5878577A (es)
EP (1) EP0877690B1 (es)
JP (1) JP2000502970A (es)
DE (1) DE69618243T2 (es)
ES (1) ES2167607T3 (es)
FR (1) FR2744085B1 (es)
WO (1) WO1997028033A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19805841A1 (de) * 1998-02-13 1999-08-19 Itt Mfg Enterprises Inc Bremskraftverstärker für Kraftfahrzeuge
US6513311B1 (en) * 2002-01-02 2003-02-04 New Holland North America, Inc. Automatic configuration of dual cutter mode windrowers
FR2839489B1 (fr) 2002-05-07 2004-11-12 Bosch Gmbh Robert Dispositif de fusible pour servomoteur pneumatique d'assistance au freinage

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1797853A (en) * 1923-12-22 1931-03-24 Bragg Kliesrath Corp Power actuator
US3037487A (en) * 1960-11-28 1962-06-05 Gen Motors Corp Brake booster valve means
DE1427005A1 (de) * 1961-10-23 1971-03-04 Alois Mossmann Vorrichtung zur selbsttaetigen Einstellung oder Begrenzung der Schlittenwege von Werkzeugmaschinen
DE1938971A1 (de) * 1969-07-31 1971-02-18 Bosch Gmbh Robert Bremsverstaerker
DE3445118A1 (de) * 1984-12-11 1986-06-12 Alfred Teves Gmbh, 6000 Frankfurt Vakuumbremskraftverstaerker
FR2638691B1 (fr) * 1988-11-10 1994-05-13 Bendix France Sa Systeme de freinage hydraulique assiste, et servomoteur d'assistance et valve de commande adaptes a un tel systeme
US4894068A (en) * 1988-12-27 1990-01-16 Permea, Inc. Process for capturing nitrogen from air using gas separation membranes
US5102432A (en) * 1990-12-10 1992-04-07 Union Carbide Industrial Gases Technology Corporation Three-stage membrane gas separation process and system
US5233837A (en) * 1992-09-03 1993-08-10 Enerfex, Inc. Process and apparatus for producing liquid carbon dioxide
KR940008735A (ko) * 1992-10-06 1994-05-16 조안 엠. 젤사 다중 정제 막분리 방법
JP3491056B2 (ja) * 1993-09-20 2004-01-26 トキコ株式会社 気圧式倍力装置

Also Published As

Publication number Publication date
EP0877690A1 (fr) 1998-11-18
FR2744085A1 (fr) 1997-08-01
EP0877690B1 (fr) 2001-12-19
US5878577A (en) 1999-03-09
DE69618243T2 (de) 2002-08-08
DE69618243D1 (de) 2002-01-31
FR2744085B1 (fr) 1998-08-14
WO1997028033A1 (fr) 1997-08-07
JP2000502970A (ja) 2000-03-14

Similar Documents

Publication Publication Date Title
ES2060888T3 (es) Sistema de suspension hidroneumatica.
ES2103870T3 (es) Granulos de catalizador, en particular para la deshidrogenacion oxidativa de metanol con el fin de proporcionar formaldehido.
ES2040683T1 (es) Vehiculo con dispositivo de suspension del eje con suspension de muelle neumatico y sistema de control para el mismo.
ATE472448T1 (de) Hauptzylinder mit erholungsdichtung
ATE21731T1 (de) Hochdruckspeicher.
ES2167607T3 (es) Servomotor neumatico de asistencia al frenado con valvula perfeccionada.
ES2177981T3 (es) Dispositivo de frenado asistido con relacion de asistencia variable.
ES2122889B1 (es) Dispositivo de control de rotacion de gran precision especialmente para telescopio.
ES2009793B3 (es) Amplificador hidraulico de frenos con rellenado rapido y carrera reducida.
BR0004547A (pt) Pistão de compressor do tipo prato oscilante cuja seção da extremidade é formada de um material diferente daquele da parte de acoplamento do prato oscilante
ES2125616T3 (es) Conjunto de un servomotor neumatico de asistencia al frenado y un cilindro principal.
ES2134570T3 (es) Dispositivo para la proteccion de un ocupante de un vehiculo automovil en caso de un choque lateral.
BR0002095A (pt) Aparelho de perfuração
ES2116100T3 (es) Servomotor neumatico de ayuda al frenado.
KR920021382A (ko) 공압 부스터
ES2059195T3 (es) Servomotor neumatico.
ES2105023T3 (es) Dispositivo de acoplamiento estanco a la presion para conductos que transportan un medio de presion.
EP0368679A3 (en) Tandem type brake booster
ES2148646T3 (es) Unidad de amplificador de la fuerza de frenado y cilindro principal con esparragos de union.
ES2079003T3 (es) Cabezal portaherramienta para una maquina de cortar vidrio en hojas.
ES2065757T3 (es) Servofreno de depresion.
NL7607288A (nl) Proportionele klep voor het besturen van de remdruk op de vooras bij pneumatische remin- richtingen.
ES2173336T3 (es) Servomotor neumatico de asistencia al frenado, con valvula mejorada.
DE69904708D1 (de) Aufhängungs- und dämpfungsvorrichtung mit zwei aufhängungs- und dämpfungs-einheiten
ES2044494T3 (es) Circuito de mando de un corrector de frenado con mando hidraulico.