GB189803693A - Improvements in Steam and like Reducing Valves. - Google Patents
Improvements in Steam and like Reducing Valves.Info
- Publication number
- GB189803693A GB189803693A GB189803693DA GB189803693A GB 189803693 A GB189803693 A GB 189803693A GB 189803693D A GB189803693D A GB 189803693DA GB 189803693 A GB189803693 A GB 189803693A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- piston
- steam
- valves
- reducing
- 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
Landscapes
- Safety Valves (AREA)
Abstract
3693. Ogden, J. E. L. Feb. 14. Reducing - valves. -Relates to steam and like reducing- valves, particularly of the kind described in Specification No. 1747, A.D. 1893. T h e main equilibrium valve B is actuated by a piston D on the stem c'of the auxiliary valve C, which has projections c<2> to engage the valve B. Highpressure steam passes from the inlet through the hollow stem c', and thence, leaking between a loose sliding plug E and a nut F, to the top of the piston, the underside of which communicates with the valve outlet, as shown. The pressures above the piston and in the outlet are regulated by a spring-pressed relief valve H. To prevent chattering and too sudden motion of the valve C, an adjustable spring is provided within or without the casing. In a modification, a dash-pot or cataract is employed. Instead of a piston D, a diaphragm may be used. An independent supply passage may be used to convey steam to the upper side of the piston.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB189803693T | 1898-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB189803693A true GB189803693A (en) | 1899-01-07 |
Family
ID=32414431
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB189803693D Expired GB189803693A (en) | 1898-02-14 | 1898-02-14 | Improvements in Steam and like Reducing Valves. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB189803693A (en) |
-
1898
- 1898-02-14 GB GB189803693D patent/GB189803693A/en not_active Expired
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