Power plants – Pressure fluid source and motor – Having plural energy input means – pumps or diverse pump outlets
Patent
1974-10-03
1976-07-27
Geoghegan, Edgar W.
Power plants
Pressure fluid source and motor
Having plural energy input means, pumps or diverse pump outlets
60494, 91218, 91339, 92129, F15B 1309, F15B 1504
Patent
active
039712176
ABSTRACT:
A fluid operated reciprocatable device has an outer, usually fixed, member nd an inner relatively movable member joined by a resilient member e.g., of rubber. The outer member is closed at one end so as to form an enclosure into which fluid under pressure can be admitted so as to displace the inner member in a given axial direction relative to the outer member. When a pulsating pressure is applied to the fluid the inner member vibrates axially in accordance with the pulses. The resilient member is proportioned so that its dimension in the axial direction is large in comparison with the thickness between the outer and inner members, e.g. 4 times larger. The properties of the resilient member are chosen so that it acts not only as a seal between the outer and inner members to contain fluid, but as a return spring whereby the inner member is returned, between fluid pulses, from an axially displaced position.
REFERENCES:
patent: 2132730 (1938-10-01), Geyer
patent: 2310519 (1943-02-01), Eskin
patent: 2354958 (1944-08-01), Loweke
patent: 2365752 (1944-12-01), Edwards
patent: 2664673 (1954-01-01), Devorss, Jr.
patent: 2791969 (1957-05-01), Berliner
patent: 2973644 (1961-03-01), Greenawalt
patent: 3200757 (1965-08-01), Steffes
patent: 3338321 (1967-08-01), Pomeroy
patent: 3523001 (1970-08-01), Sylvester
Firth Donald
Foster Keith
Hooke Christopher John
Geoghegan Edgar W.
The Secretary of State for Trade and Industry in Her Britannic M
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