Power plants – Pressure fluid source and motor – Pulsator
Patent
1974-08-01
1976-04-06
Schwadron, Martin P.
Power plants
Pressure fluid source and motor
Pulsator
60547, 173116, F15B 702
Patent
active
039480518
ABSTRACT:
A fluid pressure amplifier for intensifying fluid pressure, the amplifier comprising a housing including a gas-hydraulic interface piston; a first chamber includes a slave piston mounted for reciprocation therein and for abutting engagement with a work piece. A hydraulic fluid path extends intermediate the interface piston and the first chamber so as to apply hydraulic pressure thereto. A second chamber is disposed in the path intermediate the first chamber and the interface piston and includes a check valve in the path intermediate the second chamber and the first chamber. A third chamber, includes a fluid intensifier piston having a head end and a tail end, the head end being mounted for reciprocation in the third chamber and the tail end being mounted for reciprocation in the second chamber. The head end of the intensifier piston has a larger diameter than the tail end and is exposed to gas pressure while the tail end is exposed, in the second chamber, to hydraulic pressure. A gas inlet communicates with the head end and simultaneously the interface piston, the intensifier piston thereby being movable from a first position to a second position by gas pressure on its head end to increase hydraulic pressure in the first chamber. Relief means are provided to effect a decrease of gas pressure upon the head end of the fluid intensifier piston when it reaches the second position so that the piston moves from the second back to the first position for a repeat of the cycle.
The purpose of this abstract is to enable the Public and the Patent Office to determine rapidly the subject matter of the technical disclosure of the application. This abstract is neither intended to define the invention of the application nor is it intended to be limiting as to the scope thereof.
REFERENCES:
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patent: 3292370 (1966-12-01), Foster et al.
patent: 3306042 (1967-02-01), Crooks
patent: 3601987 (1971-08-01), Chermensky
patent: 3601988 (1971-08-01), Chermensky
patent: 3762160 (1973-10-01), Kramer
Burks, Sr. H.
Dick William J.
Schwadron Martin P.
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