FR2379717A1 - Valve de commande pour amplificateur hydraulique de freinage - Google Patents
Valve de commande pour amplificateur hydraulique de freinageInfo
- Publication number
- FR2379717A1 FR2379717A1 FR7803082A FR7803082A FR2379717A1 FR 2379717 A1 FR2379717 A1 FR 2379717A1 FR 7803082 A FR7803082 A FR 7803082A FR 7803082 A FR7803082 A FR 7803082A FR 2379717 A1 FR2379717 A1 FR 2379717A1
- Authority
- FR
- France
- Prior art keywords
- control valve
- hydraulic brake
- diameter
- flow
- section
- 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.)
- Granted
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
- B60T13/12—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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/86702—With internal flow passage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/8671—With annular passage [e.g., spool]
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
Valve de commande pour amplificateur hydraulique de freinage du type comprenant un piston creux dans lequel est monté coulissant un tiroir de valve qui contrôle l'écoulement du fluide sous pression entre un orifice d'entrée, un orifice de sortie et une chambre de pression. Selon l'invention, la portée 60 du tiroir de valve 32 inclut une section d'un premier diamètre 62, une section d'une second diamètre 64 et une dépression 66 entre ces deux sections, cette dépression délimitée par un élément de surface tronconique 70 ayant pour rôle de rendre silencieux l'écoulement du fluide entre la lumière d'entrée 34 et la lumière de sortie 38. Application au freinage des véhicules automobiles.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/765,322 US4131055A (en) | 1977-02-03 | 1977-02-03 | Noise reducing control valve for a hydraulic brake booster |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2379717A1 true FR2379717A1 (fr) | 1978-09-01 |
FR2379717B1 FR2379717B1 (fr) | 1982-04-23 |
Family
ID=25073242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7803082A Granted FR2379717A1 (fr) | 1977-02-03 | 1978-02-03 | Valve de commande pour amplificateur hydraulique de freinage |
Country Status (11)
Country | Link |
---|---|
US (1) | US4131055A (fr) |
JP (1) | JPS5817055B2 (fr) |
AR (1) | AR212570A1 (fr) |
AU (1) | AU514447B2 (fr) |
BR (1) | BR7800609A (fr) |
DE (1) | DE2804278A1 (fr) |
ES (1) | ES466621A1 (fr) |
FR (1) | FR2379717A1 (fr) |
GB (1) | GB1577397A (fr) |
IT (1) | IT1092340B (fr) |
MX (1) | MX146022A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2449009A1 (fr) * | 1979-02-14 | 1980-09-12 | Nissan Motor | Perfectionnement a un surpresseur d'huile pouvant aider au freinage d'un chariot elevateur, camion, automobile et vehicule analogue |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3213234A1 (de) * | 1982-04-08 | 1983-10-13 | Alfred Teves Gmbh, 6000 Frankfurt | Hydraulisches verstaerkerventil fuer bremsanlagen |
JPS59156553U (ja) * | 1983-04-06 | 1984-10-20 | あづま姿株式会社 | きもの着用者の着座用補助具 |
JPH0679348U (ja) * | 1993-04-30 | 1994-11-08 | 正作 萩原 | 座席用の腰もたれ具 |
JP3033072B2 (ja) | 1997-08-25 | 2000-04-17 | 三菱自動車工業株式会社 | 液圧式倍力装置 |
US6161380A (en) * | 1997-11-17 | 2000-12-19 | Jidosha Kiki Co., Ltd. | Hydraulic pressure boosting apparatus |
US6038857A (en) | 1998-06-15 | 2000-03-21 | Robert Bosch Technology Corporation | Control apparatus for a brake booster |
DE102008020856A1 (de) * | 2007-07-14 | 2009-01-15 | Continental Teves Ag & Co. Ohg | Hydraulische Fahrzeugbremsanlage sowie Verfahren zum Betrieb der hydraulischen Fahrzeugbremsanlage |
WO2014130274A1 (fr) * | 2013-02-19 | 2014-08-28 | Borgwarner Inc. | Procédé de ventilation d'un moteur à solénoïde avec protection anti-contamination au moyen d'une gaine hydraulique |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2187035A5 (fr) * | 1971-11-08 | 1974-01-11 | Applied Power Ind Inc | |
FR2275667A1 (fr) * | 1974-06-20 | 1976-01-16 | Bendix Corp | Amplificateur hydraulique en particulier pour circuit de freinage |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US476228A (en) * | 1892-05-31 | James hamilton | ||
US2007423A (en) * | 1933-04-10 | 1935-07-09 | Francis W Davis | Double acting servomotor |
GB447198A (en) * | 1933-11-14 | 1936-05-13 | Reineke Regler Vertriebsgesell | Improvements in and relating to hydraulic servo-motors for actuating fluid pressure controlling valves |
CH474702A (de) * | 1967-05-23 | 1969-06-30 | Sulzer Ag | Ventil |
US3719044A (en) * | 1971-08-18 | 1973-03-06 | Bendix Corp | Hybrid brake booster control valve |
US3945301A (en) * | 1974-04-01 | 1976-03-23 | The Bendix Corporation | Spool valve for hydraulic brake booster |
-
1977
- 1977-02-03 US US05/765,322 patent/US4131055A/en not_active Expired - Lifetime
-
1978
- 1978-02-01 DE DE19782804278 patent/DE2804278A1/de not_active Withdrawn
- 1978-02-01 MX MX172281A patent/MX146022A/es unknown
- 1978-02-01 BR BR7800609A patent/BR7800609A/pt unknown
- 1978-02-02 IT IT19901/78A patent/IT1092340B/it active
- 1978-02-02 AU AU32919/78A patent/AU514447B2/en not_active Expired
- 1978-02-03 JP JP53010634A patent/JPS5817055B2/ja not_active Expired
- 1978-02-03 ES ES466621A patent/ES466621A1/es not_active Expired
- 1978-02-03 GB GB4497/78A patent/GB1577397A/en not_active Expired
- 1978-02-03 FR FR7803082A patent/FR2379717A1/fr active Granted
- 1978-03-10 AR AR271387A patent/AR212570A1/es active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2187035A5 (fr) * | 1971-11-08 | 1974-01-11 | Applied Power Ind Inc | |
FR2275667A1 (fr) * | 1974-06-20 | 1976-01-16 | Bendix Corp | Amplificateur hydraulique en particulier pour circuit de freinage |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2449009A1 (fr) * | 1979-02-14 | 1980-09-12 | Nissan Motor | Perfectionnement a un surpresseur d'huile pouvant aider au freinage d'un chariot elevateur, camion, automobile et vehicule analogue |
Also Published As
Publication number | Publication date |
---|---|
IT1092340B (it) | 1985-07-06 |
MX146022A (es) | 1982-05-03 |
AR212570A1 (es) | 1978-07-31 |
IT7819901A0 (it) | 1978-02-02 |
US4131055A (en) | 1978-12-26 |
ES466621A1 (es) | 1978-10-01 |
JPS53102470A (en) | 1978-09-06 |
FR2379717B1 (fr) | 1982-04-23 |
GB1577397A (en) | 1980-10-22 |
DE2804278A1 (de) | 1978-08-10 |
BR7800609A (pt) | 1978-09-12 |
AU3291978A (en) | 1979-08-09 |
JPS5817055B2 (ja) | 1983-04-04 |
AU514447B2 (en) | 1981-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |