Pumps – Three or more cylinders arranged in parallel – radial – or... – Motor driven
Patent
1973-07-12
1976-01-27
Freeh, William L.
Pumps
Three or more cylinders arranged in parallel, radial, or...
Motor driven
417312, F04B 2700
Patent
active
039349675
ABSTRACT:
A refrigeration compressor including a sealed housing with a stationary cylinder block having an annular array of axial cylinders, pistons reciprocable in the cylinders, a rotatable cam for reciprocating the pistons, an annular inlet channel around the cylinder block, intake valving for admitting fluid from the inlet channel to the cylinders on the intake strokes of the pistons, outlet valving for discharging high pressure fluid from the cylinders on the compression strokes of the pistons, and a baffle mounted on the end of the cylinder block over the outlet valving. The compressor is utilized in a system including an electric motor in the housing connected for rotating the cam, a desuperheater communicating with high pressure vapor from the outlet valving for cooling the vapor, means for supplying cooled vapor from the desuperheater to the housing for cooling the electric motor, a condenser for receiving vapor after circulation through the motor, an evaporator communicating with the condenser, and means for supplying vapor from the evaporator to the intake valving.
REFERENCES:
patent: 2093477 (1937-09-01), Parsons
patent: 2792789 (1957-05-01), Mizen
patent: 2792790 (1957-05-01), Capps
patent: 2846140 (1958-08-01), Kemper
patent: 2948461 (1960-08-01), Frank
patent: 2968961 (1961-01-01), McGregor
patent: 3006160 (1961-10-01), Heidorn
patent: 3146605 (1964-09-01), Rachfal
patent: 3663122 (1972-05-01), Kitchen
patent: 3675732 (1972-07-01), Rosen et al.
Freeh William L.
LaPointe G. P.
Sundstrand Corporation
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