Pumps – Expansible chamber type – Plural pumping chambers
Patent
1987-08-24
1988-07-12
Smith, Leonard E.
Pumps
Expansible chamber type
Plural pumping chambers
74 49, F04B 2102, F04B 4106
Patent
active
047566744
ABSTRACT:
The compressor has a crankcase which is horizontally separable and has piston cylinders removably coupled to opposite ends thereof. The crankcase confines a pair of tie-rod-joined crossheads therein, and guides control reciprocation of the crossheads in horizontal and vertical planes. Inlet and discharge valves are all accessibly fastened to the cylinders, and oil buffers and gas seals set about piston rods inhibit insinuation of oil into the cylinders, and gas into the crankcase.
REFERENCES:
patent: 2288963 (1942-07-01), Von Tavel
patent: 3010644 (1961-11-01), Zeidler
patent: 4615259 (1986-10-01), Anbe
Ingersoll-Rand Company, ES-2 and FS-2 Heavy-Duty Two-Stage Compressors, 12/24/1934.
Ingersoll-Rand Company
Murphy B. J.
Smith Leonard E.
Walnoha Leonard P.
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