ES2157665T3 - Cilindro principal mejorado con reaccion hidraulica anulable dinamicamente. - Google Patents
Cilindro principal mejorado con reaccion hidraulica anulable dinamicamente.Info
- Publication number
- ES2157665T3 ES2157665T3 ES98933700T ES98933700T ES2157665T3 ES 2157665 T3 ES2157665 T3 ES 2157665T3 ES 98933700 T ES98933700 T ES 98933700T ES 98933700 T ES98933700 T ES 98933700T ES 2157665 T3 ES2157665 T3 ES 2157665T3
- Authority
- ES
- Spain
- Prior art keywords
- piston
- reaction
- main
- sealing seat
- bore
- 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
- 238000007789 sealing Methods 0.000 abstract 4
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)
Abstract
Cilindro principal, o de mando, de reacción hidráulica para servomotor neumático de asistencia al frenado, que comprende: - un cuerpo (11) atravesado por un ánima principal (110); - un émbolo principal (12) cilíndrico, atravesado por un ánima secundaria (120), y del que una extremidad (121) externa al cuerpo es susceptible de recibir una fuerza de asistencia orientada según una primera dirección (X+), estando montado este émbolo principal a deslizamiento estanco en el ánima principal para delimitar en la misma una cámara de trabajo (13) sometida, en funcionamiento, a una presión hidráulica; y - un émbolo de reacción (3) del que una primera extremidad (31) externa al cuerpo es susceptible de recibir una fuerza de accionamiento orientada según la primera dirección (X+), y del que una segunda extremidad (32) está montada a deslizamiento estanco en el ánima secundaria (120) para delimitar en ella una cámara de reacción (4) que se comunica con la cámara de trabajo (13), siendo susceptible el émbolo de reacción (3) de desplazarse, con respecto al émbolo principal (12), en una carrera (K) de amplitud mínima no nula para un gradiente de la fuerza de accionamiento superior a un umbral determinado; caracterizado porque comprende además: - un primer asiento de obturación (41) formado en una cara frontal (33) de la segunda extremidad (32) del émbolo de reacción (3), destinado a cooperar con un segundo asiento de obturación (42) montado en una primera extremidad (7a) de un soporte de asiento (7) dispuesto en la cámara de reacción (4), a una distancia del primer asiento de obturación (41), a lo sumo, igual a dicha carrera de amplitud mínima; y - al menos un primer muelle (51) que solicita al émbolo de reacción (3) en un sentido apropiado para alejar el primer asiento de obturación (41) del segundo asiento de obturación (42).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9708122A FR2765171B1 (fr) | 1997-06-27 | 1997-06-27 | Maitre-cylindre a reaction hydraulique dynamiquement annulable |
FR9801094A FR2774345B3 (fr) | 1998-01-30 | 1998-01-30 | Maitre-cylindre perfectionne a reaction hydraulique dynamiquement annulable |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2157665T3 true ES2157665T3 (es) | 2001-08-16 |
Family
ID=26233643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES98933700T Expired - Lifetime ES2157665T3 (es) | 1997-06-27 | 1998-06-24 | Cilindro principal mejorado con reaccion hidraulica anulable dinamicamente. |
Country Status (6)
Country | Link |
---|---|
US (1) | US6079208A (es) |
EP (1) | EP0993398B1 (es) |
JP (1) | JP4207170B2 (es) |
DE (1) | DE69800871T2 (es) |
ES (1) | ES2157665T3 (es) |
WO (1) | WO1999000283A1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2781193B1 (fr) * | 1998-07-16 | 2000-09-15 | Bosch Syst Freinage | Maitre-cylindre perfectionne a reaction hydraulique et auto-assistance selective |
FR2784642B1 (fr) * | 1998-10-20 | 2000-12-15 | Bosch Sist De Frenado Sl | Maitre-cylindre a reaction hydraulique et a effort d'entree accru |
FR2784953B1 (fr) * | 1998-10-26 | 2001-02-09 | Bosch Syst Freinage | Maitre-cylindre a reaction hydraulique dynamiquement modulable |
FR2818221B1 (fr) * | 2000-12-20 | 2003-02-28 | Delphi Tech Inc | Systeme de commande de freinage ameliore muni d'un servomoteur d'assistance et d'une reaction hydraulique |
FR2825335B1 (fr) * | 2001-05-30 | 2004-01-23 | Bosch Gmbh Robert | Dispositif de freinage pour vehicule automobile |
FR2834266B1 (fr) * | 2001-12-31 | 2004-02-27 | Bosch Gmbh Robert | Dispositif de commande de frein a servomoteur d'assistance pneumatique a freinage |
FR2844238B1 (fr) * | 2002-09-11 | 2004-11-26 | Bosch Sist S Frenado Sl | Servofrein comportant un maitre-cylindre a reaction reduite |
FR2867137B1 (fr) * | 2004-03-02 | 2006-05-12 | Bosch Gmbh Robert | Servomoteur a saut variable par douille deverrouillable |
DE102010003822A1 (de) | 2010-04-09 | 2011-10-13 | Robert Bosch Gmbh | Bremskraftverstärker-Ankopplungsvorrichtung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4101480A1 (de) * | 1991-01-19 | 1992-07-23 | Teves Gmbh Alfred | Blockiergeschuetzte kraftfahrzeugbremsanlage |
FR2696142B1 (fr) * | 1992-09-30 | 1994-12-30 | Alliedsignal Europ Services | Dispositif de freinage assisté à réaction hydraulique et saut réglable. |
FR2724354A1 (fr) | 1994-09-08 | 1996-03-15 | Alliedsignal Europ Services | Dispositif de freinage assiste a course masquee et a securite accrue |
FR2751602B1 (fr) * | 1996-07-23 | 1998-09-18 | Bosch Syst Freinage | Dispositif de freinage assiste a rapport d'assistance variable |
-
1998
- 1998-06-24 US US09/117,302 patent/US6079208A/en not_active Expired - Lifetime
- 1998-06-24 DE DE69800871T patent/DE69800871T2/de not_active Expired - Lifetime
- 1998-06-24 EP EP98933700A patent/EP0993398B1/fr not_active Expired - Lifetime
- 1998-06-24 ES ES98933700T patent/ES2157665T3/es not_active Expired - Lifetime
- 1998-06-24 JP JP50532299A patent/JP4207170B2/ja not_active Expired - Fee Related
- 1998-06-24 WO PCT/FR1998/001328 patent/WO1999000283A1/fr active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE69800871D1 (de) | 2001-07-05 |
JP4207170B2 (ja) | 2009-01-14 |
EP0993398A1 (fr) | 2000-04-19 |
WO1999000283A1 (fr) | 1999-01-07 |
JP2002507950A (ja) | 2002-03-12 |
US6079208A (en) | 2000-06-27 |
DE69800871T2 (de) | 2001-11-15 |
EP0993398B1 (fr) | 2001-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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