Pumps – Successive stages
Patent
1992-01-03
1993-12-07
Bertsch, Richard
Pumps
Successive stages
417392, 417347, 92162R, 277 53, F04B 300
Patent
active
052678385
ABSTRACT:
A severe service compressor for the reliable compression of dirty gasses using compressors with seals cooled by the hydraulic fluids doing the work of compression and seals isolated from the high temperatures of the compressed gasses by piston rings which restrict the flow of compressed gasses into the area adjacent to the seals on the compresion stroke and allow the venting of the gasses adjacent to the seals on the reverse stroke.
REFERENCES:
patent: 781266 (1905-01-01), Bryan et al.
patent: 2644401 (1953-07-01), Ragland
patent: 2932172 (1960-04-01), Schlumbohm
patent: 3244106 (1966-04-01), Guy
patent: 4629200 (1986-12-01), Ruddy
patent: 5092743 (1992-03-01), Dietrich
Bertsch Richard
Freay Charles G.
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