Pumps – Processes
Patent
1996-10-15
1999-01-26
Thorpe, Timothy
Pumps
Processes
417244, 417266, F04B 2500
Patent
active
058631860
ABSTRACT:
A method of compressing a compressible fluid, using a hydraulically driven compressor comprising a precompressor, a first cylinder, and a second cylinder. The precompressor receives a low pressure input of compressible fluid and fills the first cylinder to a precompressor output target pressure. A piston within the first cylinder then forces the compressible fluid into the second cylinder. This cycle is repeated until the second cylinder is filled to a first-cylinder output target pressure, whereupon a piston within the second cylinder forces the compressible fluid out of the second cylinder as a high pressure compressible fluid output, typically into some sort of storage vessel. This cycle is repeated until the compressible fluid output pressure reaches a second-cylinder output target pressure. Pressure and position sensors may be employed to provide signals to a controller, which in turn provides signals to hydraulic fluid control valves which control operation of the precompressor, the first cylinder, and the second cylinder.
REFERENCES:
patent: 261605 (1882-07-01), Hill
patent: 2510127 (1950-06-01), Mercier
patent: 2581191 (1952-01-01), Kalitinsky
patent: 2628015 (1953-02-01), Nuegebauer et al.
patent: 3244106 (1966-04-01), Guy
patent: 4990057 (1991-02-01), Rollins
Green John S.
Odom Odom H.
Gartenberg Ehud
Thorpe Timothy
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