GB700660A - Improvements in and relating to manually operable release valve devices - Google Patents
Improvements in and relating to manually operable release valve devicesInfo
- Publication number
- GB700660A GB700660A GB17152A GB17152A GB700660A GB 700660 A GB700660 A GB 700660A GB 17152 A GB17152 A GB 17152A GB 17152 A GB17152 A GB 17152A GB 700660 A GB700660 A GB 700660A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- lever
- open
- operable release
- release valve
- 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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/36—Other control devices or valves characterised by definite functions
- B60T15/54—Other control devices or valves characterised by definite functions for controlling exhaust from triple valve or from brake cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
700,660. Fluid pressure brakes. WESTING- HOUSE BRAKE & SIGNAL CO., Ltd., MERRILEES, J. D., and HIGGINS, H. L. Dec. 2, 1952 [Jan. 2, 1952], No. 171/52. Class 103(1) [Also in Group XXIX] In a manually-operable release valve, particularly for fluid-pressure braking systems, of the kind in which the valve stem 8 projects through an opening in the valve casing and is pivoted to the centre of a T-shaped lever 9 whereby a rocking movement of the latter causes one or other of the cross arms to engage an abutment 14 about which the lever then pivots to move the valve stem outwardly and open the valve 12, the two cross arms of the lever are enclosed in an auxiliary casing 7 formed with a slot 17 through which the operating arm of the lever projects, and the lever is so shaped that, when the valve is in the open position, it fills substantially the whole of the slot 17 and prevents the insertion of a foreign body by which the valve could be wedged open. The passages 2, 4, 22 lead, respectively, to the upper chamber of the brake cylinder, the lower chamber of the cylinder, and the train pipe of the vacuum braking system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB17152A GB700660A (en) | 1952-01-02 | 1952-01-02 | Improvements in and relating to manually operable release valve devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB17152A GB700660A (en) | 1952-01-02 | 1952-01-02 | Improvements in and relating to manually operable release valve devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB700660A true GB700660A (en) | 1953-12-09 |
Family
ID=9699654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17152A Expired GB700660A (en) | 1952-01-02 | 1952-01-02 | Improvements in and relating to manually operable release valve devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB700660A (en) |
-
1952
- 1952-01-02 GB GB17152A patent/GB700660A/en not_active Expired
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