GB380734A - An improved balanced valve - Google Patents
An improved balanced valveInfo
- Publication number
- GB380734A GB380734A GB856132A GB856132A GB380734A GB 380734 A GB380734 A GB 380734A GB 856132 A GB856132 A GB 856132A GB 856132 A GB856132 A GB 856132A GB 380734 A GB380734 A GB 380734A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- fluid
- passage
- throttling
- valves
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K39/00—Devices for relieving the pressure on the sealing faces
- F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
- F16K39/024—Devices for relieving the pressure on the sealing faces for lift valves using an auxiliary valve on the main valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
- Servomotors (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
380,734. Fluid-actuated valves. WAGNER, F., 10, Bahnhofstrasse, Lichterfelde-Ost, Berlin. March 22, 1932, No. 8561. [Class 135.] In a valve for locomotive regulating valves &c. comprising a main valve 5 formed integrally with a piston 6, an auxiliary valve 12 operated by a spindle 13, and a pressure chamber 8 communicating with the fluid inlet 10 by means of apertures 9 and with the fluid outlet by means of a passage 11 controlled by the auxiliary valve, throttling devices are arranged between the inlet 10 and the main valve seat 2 and in the passage 11. The former throttling device consists of a narrow annular gap 15 formed between the valve 5 and a lower casing member 3. The latter throttling device consists of a substantially conical member 14 secured to the valve 12. When the auxiliary valve 12 is closed, the fluid pressure on the piston 6 is insufficient to open the main valve, but with the valve 12 open, fluid leaves the chamber 8 at a greater rate than it enters and the fluid pressure under the piston 6 and the main valve 5 is sufficient to raise the latter. Due to the throttling by the passage 15, the pressure below the valve 5 is not so great as to cause the main valve to strike the auxiliary valve. Any acceleration of the valve 5 relative to the valve 12 causes the member 14 to throttle the passage 11 so that pressure is built up in the chamber 8 and the acceleration of the valve 5 is checked. Thus the valves 5, 12 tend to move at the same speed. Throttling is produced by heart-shaped apertures 16 when the valve 5 is raised above the member 3, the apices of which apertures are directed downwardly. A collar 17 limits the travel of the valve 12 and enables valve 5 finally to be lifted clear of the fluid passage. Specifications 19898/08, 19913/11, 237,435, 262,863, and 263,035, [all in Class 135, Valves &c.], are referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB856132A GB380734A (en) | 1932-03-22 | 1932-03-22 | An improved balanced valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB856132A GB380734A (en) | 1932-03-22 | 1932-03-22 | An improved balanced valve |
Publications (1)
Publication Number | Publication Date |
---|---|
GB380734A true GB380734A (en) | 1932-09-22 |
Family
ID=9854831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB856132A Expired GB380734A (en) | 1932-03-22 | 1932-03-22 | An improved balanced valve |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB380734A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1707754A2 (en) * | 2005-03-31 | 2006-10-04 | ALSTOM Technology Ltd | Pilot valve for steam turbine |
WO2010102317A1 (en) * | 2009-03-09 | 2010-09-16 | Herz Armaturen Ges.M.B.H | Control valve element |
-
1932
- 1932-03-22 GB GB856132A patent/GB380734A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1707754A2 (en) * | 2005-03-31 | 2006-10-04 | ALSTOM Technology Ltd | Pilot valve for steam turbine |
EP1707754A3 (en) * | 2005-03-31 | 2008-05-21 | ALSTOM Technology Ltd | Pilot valve for steam turbine |
WO2010102317A1 (en) * | 2009-03-09 | 2010-09-16 | Herz Armaturen Ges.M.B.H | Control valve element |
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