FR2269439A1 - Pressure control valve for hydraulic circuit - with differential piston between pump and reservoir to uncouple pump below maximum reservoir pressure - Google Patents
Pressure control valve for hydraulic circuit - with differential piston between pump and reservoir to uncouple pump below maximum reservoir pressureInfo
- Publication number
- FR2269439A1 FR2269439A1 FR7513566A FR7513566A FR2269439A1 FR 2269439 A1 FR2269439 A1 FR 2269439A1 FR 7513566 A FR7513566 A FR 7513566A FR 7513566 A FR7513566 A FR 7513566A FR 2269439 A1 FR2269439 A1 FR 2269439A1
- Authority
- FR
- France
- Prior art keywords
- reservoir
- pump
- pressure
- control valve
- uncouple
- 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
- B60T13/14—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 using accumulators or reservoirs fed by pumps
- B60T13/148—Arrangements for pressure supply
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1970174A GB1500706A (en) | 1974-05-04 | 1974-05-04 | Hydraulic valve assemblies |
GB3571774 | 1974-08-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2269439A1 true FR2269439A1 (en) | 1975-11-28 |
FR2269439B1 FR2269439B1 (ja) | 1980-02-29 |
Family
ID=26254201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7513566A Granted FR2269439A1 (en) | 1974-05-04 | 1975-04-30 | Pressure control valve for hydraulic circuit - with differential piston between pump and reservoir to uncouple pump below maximum reservoir pressure |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS50149877A (ja) |
BR (1) | BR7502675A (ja) |
DE (1) | DE2519750A1 (ja) |
FR (1) | FR2269439A1 (ja) |
IN (1) | IN144908B (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1600279A (en) * | 1977-05-17 | 1981-10-14 | Girling Ltd | Hydraulic power systems for vehicle braking and levelling systems |
DE3342427A1 (de) * | 1983-11-24 | 1985-06-05 | Alfred Teves Gmbh, 6000 Frankfurt | Druckventil |
-
1975
- 1975-04-21 IN IN808/CAL/75A patent/IN144908B/en unknown
- 1975-04-30 FR FR7513566A patent/FR2269439A1/fr active Granted
- 1975-05-02 BR BR7503402D patent/BR7502675A/pt unknown
- 1975-05-02 DE DE19752519750 patent/DE2519750A1/de not_active Withdrawn
- 1975-05-02 JP JP5382975A patent/JPS50149877A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2519750A1 (de) | 1975-11-20 |
FR2269439B1 (ja) | 1980-02-29 |
BR7502675A (pt) | 1976-03-16 |
JPS50149877A (ja) | 1975-12-01 |
IN144908B (ja) | 1978-07-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |