GB643106A - Line pressure valves for hydraulic brake systems - Google Patents
Line pressure valves for hydraulic brake systemsInfo
- Publication number
- GB643106A GB643106A GB3452/48A GB345248A GB643106A GB 643106 A GB643106 A GB 643106A GB 3452/48 A GB3452/48 A GB 3452/48A GB 345248 A GB345248 A GB 345248A GB 643106 A GB643106 A GB 643106A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- spring
- master cylinder
- line pressure
- hydraulic
- 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
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
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/28—Valves specially adapted therefor
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
643,106. Hydraulic brakes. GOODRICH CO., B. F. Feb. 5, 1948, No. 3452. Convention date, April 20, 1944. [Class 103 (i)] [Also in Group XXIX] A valve of the type used in hydraulic braking systems to maintain a certain minimum pressure in the brake cylinders after the master cylinder has been operated to release the brake shoes is constructed so as to provide a much more rapid reduction of pressure down to the minimum required, than that provided by the usual poppet valves. The supply from the master cylinder is led in by a central port 36 and deflects a diaphragm 30 against the action of spring 18 so that the hydraulic fluid is able to pass on to the brake cylinders by way of annular recess 39 and outlet connection 38. The increased area of flow due to the large valve seat 34 provides for a rapid reduction of the pressure down to that at which the spring 18 and cap 16 shuts the valve.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US643106XA | 1944-04-20 | 1944-04-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB643106A true GB643106A (en) | 1950-09-15 |
Family
ID=22055047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3452/48A Expired GB643106A (en) | 1944-04-20 | 1948-02-05 | Line pressure valves for hydraulic brake systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB643106A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1081789B (en) * | 1951-08-21 | 1960-05-12 | Girling Ltd | Hydraulic actuation system for a disc brake especially intended for motor vehicles |
DE1170800B (en) * | 1957-11-15 | 1964-05-21 | Goodrich Co B F | Automatic hydraulic adjustment device, especially for vehicle brakes |
-
1948
- 1948-02-05 GB GB3452/48A patent/GB643106A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1081789B (en) * | 1951-08-21 | 1960-05-12 | Girling Ltd | Hydraulic actuation system for a disc brake especially intended for motor vehicles |
DE1170800B (en) * | 1957-11-15 | 1964-05-21 | Goodrich Co B F | Automatic hydraulic adjustment device, especially for vehicle brakes |
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