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Ebenezer Hill
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Individual
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Individual
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Publication of GB190501274ApublicationCriticalpatent/GB190501274A/en
1274. Hill, E. Jan. 23. Actuating valves; lift valves.-Means for actuating a valve 13 by varying fluid pressure comprise a spring - controlled plunger having two knifeedged portions of different diameters which alternately seat on packing-rings 21, 20 so as to present working faces of large or small area as the controlling-spring is compressed or extended. The device is described in connexion with the inlet valves of the high-pressure cylinder of a two-stage air-compressor.
GB190501274D1905-01-231905-01-23An Improved Valve for Compoud Air Compressors.
ExpiredGB190501274A
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