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Expired
Application number
GB15177/25A
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Individual
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Individual
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Publication of GB235581ApublicationCriticalpatent/GB235581A/en
F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
F04B31/00—Free-piston pumps specially adapted for elastic fluids; Systems incorporating such pumps
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
Valve Device For Special Equipments
(AREA)
Abstract
235,581. Pateras Pescara, Raul, Marquis of. June 11, 1924, [Convention date]. Valve gear.-In directacting air pumps having two oppositely - moving pistons 11, 12 with a comn,on combustion chamber to which mixture is admitted through ports 13, sets of exhaust valves 17, 18 are placed at each end, each valve being opened by a piston subjected to the pressure of the air pumped in the compression chambers 23 or 24.
GB15177/25A1924-06-111925-06-11Improvements in direct-acting internal-combustion motorcompressors
ExpiredGB235581A
(en)