US Patent: 1,014,591
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| Balanced Valve
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Patentee:
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| William F. Gould (exact or similar names) - Des Moines, Polk County, IA |
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Patent Dates:
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| Applied: |
May 19, 1909 |
| Granted: |
Jan. 09, 1912 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Gould Balance Valve Co.
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Description: |
| Abstract:
My invention relates to that class of balanced valves in which there is a valve seat having two induction ports and an exhaust port between them, a slide valve having two end portions and open at its central portion. a valve cover, and a steam chest. It is well known that in valves of this kind, the valve cover within the steam chest prevents the steam pressure within the chest from pressing the valve toward its seat and, hence, the cover itself would approximately balance the valve except for the pressure outwardly upon the valve through the induction ports.
Claim:
The combination of a valve, a valve cover, a packing bar between the valve and cover, means whereby pressure is applied to the packing bar to hold it toward one of said parts, the side of the packing bar opposite to the side to which said pressure is 10a applied having a raised, longitudinal, central portion. |
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