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Frederick Friedenthal
Albert Friedenthal
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Publication of GB190816479ApublicationCriticalpatent/GB190816479A/en
Compressors, Vaccum Pumps And Other Relevant Systems
(AREA)
Abstract
16,479. Friedenthal, F., and Friedenthal, A. Aug. 5. Drawings to Specification. Steam pumps.-In a valve gear for direct-acting pumps, the piston valve employed is oscillated by a T-headed lever, and it is moved longitudinally by fluid admitted through auxiliary ports leading to the ends of the valve.
GB190816479D1908-08-051908-08-05An Improved Valve for Steam and other Fluid Pressure Engines.
ExpiredGB190816479A
(en)