Pumps – Three or more cylinders arranged in parallel – radial – or...
Patent
1972-05-16
1976-12-28
Freeh, William L.
Pumps
Three or more cylinders arranged in parallel, radial, or...
F04B 112
Patent
active
039998932
ABSTRACT:
A compressor for a refrigerating machine, which is so constracted that a suction passage of the compressor is formed including a crank case of said compressor as part thereof and the sliding portions of said compressor are lubricated by lubricating oil mixed in a refrigerant circulating in a refrigerant circuit.
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patent: 3085514 (1963-04-01), Budzich
patent: 3209701 (1965-10-01), Phinney
patent: 3352485 (1967-11-01), Niki et al.
patent: 3577891 (1971-05-01), Katuta-shi
patent: 3712759 (1973-01-01), Olson
Freeh William L.
Hitachi , Ltd.
La Pointe G. P.
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