GB410944A - Improvements in flush valves - Google Patents
Improvements in flush valvesInfo
- Publication number
- GB410944A GB410944A GB781433A GB781433A GB410944A GB 410944 A GB410944 A GB 410944A GB 781433 A GB781433 A GB 781433A GB 781433 A GB781433 A GB 781433A GB 410944 A GB410944 A GB 410944A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- plunger
- main
- actuated
- piston
- 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D3/00—Flushing devices operated by pressure of the water supply system flushing valves not connected to the water-supply main, also if air is blown in the water seal for a quick flushing
- E03D3/02—Self-closing flushing valves
- E03D3/04—Self-closing flushing valves with piston valve and pressure chamber for retarding the valve-closing movement
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Fluid-Driven Valves (AREA)
Abstract
410,944. Fluid - actuated valves. HELLYER, R. H., 35, Red Lion Square, High Holborn, London. March 15, 1933, No. 7814. [Class 135.] Valves controlled by pilot or relay valves.-A flushing valve of the kind actuated by fluid pressure acting on a piston under the control of a manually actuated tiltable auxiliary valve co-operating with a seating on the main piston is fitted with a dashpot device to prevent the main valve being held in the open position. The main piston 4 is provided with a leak orifice 13 and is internally shouldered to provide a seat 11 for the auxiliary valve 16 which has a conical depending guide spigot adapted to permit the valve to tilt. The auxiliary valve is formed integrally with a dashpot cylinder 14 provided with a leak port 20 and containing a plunger 15 with a depending stem 18 normally in the path of a push actuated operating plunger 7. On operating this plunger the auxiliary valve is tilted and the main valve opened by inlet pressure acting on the lower side of the piston. Should the plunger 7 be held depressed while the main valve is closing the stem 18 engages the plunger and the dashpot cylinder then moves over the plunger and allows the main valve to continue its closing movement. The leak port 20 may be replaced by a leaky non- return ball valve to permit fluid passing out of the cylinder at a greater rate than it enters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB781433A GB410944A (en) | 1933-03-15 | 1933-03-15 | Improvements in flush valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB781433A GB410944A (en) | 1933-03-15 | 1933-03-15 | Improvements in flush valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB410944A true GB410944A (en) | 1934-05-31 |
Family
ID=9840255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB781433A Expired GB410944A (en) | 1933-03-15 | 1933-03-15 | Improvements in flush valves |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB410944A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3085779A (en) * | 1960-12-23 | 1963-04-16 | Imp Eastman Corp | Flush valve |
| US4261545A (en) * | 1980-03-31 | 1981-04-14 | Sloan Valve Company | Flush valve piston having filtered orifice |
-
1933
- 1933-03-15 GB GB781433A patent/GB410944A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3085779A (en) * | 1960-12-23 | 1963-04-16 | Imp Eastman Corp | Flush valve |
| US4261545A (en) * | 1980-03-31 | 1981-04-14 | Sloan Valve Company | Flush valve piston having filtered orifice |
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