GB804336A - Improvements relating to the control of control reservoir charging in compressed fluid braking apparatus of the graduated release kind - Google Patents
Improvements relating to the control of control reservoir charging in compressed fluid braking apparatus of the graduated release kindInfo
- Publication number
- GB804336A GB804336A GB24921/56A GB2492156A GB804336A GB 804336 A GB804336 A GB 804336A GB 24921/56 A GB24921/56 A GB 24921/56A GB 2492156 A GB2492156 A GB 2492156A GB 804336 A GB804336 A GB 804336A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- pressure
- compressed fluid
- control
- valve device
- 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
- B60T15/48—Other control devices or valves characterised by definite functions for filling reservoirs
-
- 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
- B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
- B60T15/24—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by three fluid pressures
- B60T15/30—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by three fluid pressures with a quick braking action
- B60T15/302—Railway control or brake valves with evacuation of air to a reservoir, to the atmosphere or to the brake cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Braking Systems And Boosters (AREA)
Abstract
804,336. Fluid pressure brakes. WESTINGHOUSE AIR BRAKE CO. Aug. 15, 1956 [Aug. 15, 1955], No. 24921/56. Class 103 (1). In a triple valve for fluid pressure railway brakes, similar to that described in Specification 803,685 the quick service reduction insuring valve device 9 is so adapted that on being moved to an operative position to terminate a local quick service withdrawal of compressed fluid from the brake pipe 3 in the usual manner, it additionally exposes a pressure-responsive valve 59 interposed in the charging communication to the control reservoir 4 to a source of compressed fluid of which the pressure is at all times sufficient to maintain the valve closed so long as it is exposed, whereby the charging communication remains closed by the valve 59 until a late stage in the course of a complete release of the brakes, when the quick-service reduction insuring valve device returns once more to an inoperative position. The auxiliary reservoir 5 acts as a source of compressed fluid and is placed in communication with chamber 56 above the control reservoir charging valve device 10, through passage 41, valve cavity 99 in the reduction insuring valve 90 and passage 98 as soon as the brake pipe pressure in chamber 89 of valve device 13 has reduced to 6 p.s.i. below the normally fully charged pressure in the brake pipe.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US804336XA | 1955-08-15 | 1955-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB804336A true GB804336A (en) | 1958-11-12 |
Family
ID=22157344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB24921/56A Expired GB804336A (en) | 1955-08-15 | 1956-08-15 | Improvements relating to the control of control reservoir charging in compressed fluid braking apparatus of the graduated release kind |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB804336A (en) |
-
1956
- 1956-08-15 GB GB24921/56A patent/GB804336A/en not_active Expired
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