GB504936A - Improvements in or relating to fluid pressure brake devices - Google Patents
Improvements in or relating to fluid pressure brake devicesInfo
- Publication number
- GB504936A GB504936A GB29902/37A GB2990237A GB504936A GB 504936 A GB504936 A GB 504936A GB 29902/37 A GB29902/37 A GB 29902/37A GB 2990237 A GB2990237 A GB 2990237A GB 504936 A GB504936 A GB 504936A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- tractor
- brake pipe
- trailer
- pipe
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
504,936. Fluid - pressure. brakes. BOSCH AKT.-GES., R. Nov. 2, 1937, No. 29902. Convention date, Nov. 2, 1936. [Class 103 (i)] The cut-off valve 10 in the brake pipe 6 of a trailer is automatically returned to the position permitting braking by a spring 15 and by the admission of pressure fluid to the brake pipe from the tractor when the brake pipe is coupled up. When the trailer brake pipe 6 is disconnected from the tractor the release of fluid from the normally charged brake pipe causes a valve 5 to connect the reservoir 9 to the brake cylinder 1 and apply the brakes. To move the trailer by hand the brakes must be released by turning the cut-off valve 10 which connects the reservoir 9 by pipe 11 to the brake pipe 6 and the valve 5 is operated to connect the brake cylinder to atmosphere. In case the valve 10 should be left in this position with the pipe 6 closed to the tractor when trailer and tractor are coupled the valve-return spring 15 is provided as shown in Fig. 3. The spring 15 is not strong enough to turn the valve 10 until pressure fluid is admitted to the space 17 by passage 16 from the tractor in order to release the valve from its seating. The Specification as open to inspection under Sect. 91 describes an arrangement having a valve 15 which is sufficiently strong to turn the valve 10 without admission of fluid above the valve. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE504936X | 1936-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB504936A true GB504936A (en) | 1939-05-02 |
Family
ID=6546277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29902/37A Expired GB504936A (en) | 1936-11-02 | 1937-11-02 | Improvements in or relating to fluid pressure brake devices |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR828533A (en) |
| GB (1) | GB504936A (en) |
-
1937
- 1937-10-30 FR FR828533D patent/FR828533A/en not_active Expired
- 1937-11-02 GB GB29902/37A patent/GB504936A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR828533A (en) | 1938-05-19 |
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