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Heinrich Doernenburg
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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
F16K15/00—Check valves
F16K15/02—Check valves with guided rigid valve members
Abstract
22,940. D÷rnenburg, H. Oct. 17, Fluid-actuated gears; beat or lift valves.-In valve-gear for pneumatic tools of the type in which the distributing-valve is reversed by compression of the cushioning-fluid, the valve a is a lift valve having a cylindrical body fitting the valve chamber and spherical ends, which have seatings on the ports at the ends of the valve chamber leading to the cylinder.
GB191122940D1911-10-171911-10-17Improvements in or relating to Valve Mechanism for Pneumatic Apparatus.
ExpiredGB191122940A
(en)