Method of operating a motor compressor unit

Details Method of operating a motor compressor unit Method of operating a motor compressor unit

1981-02-02

1983-12-20

Gluck, Richard E.

Pumps

Processes

417415, F04B 3504

Patent

active

044214600

ABSTRACT:
A hermetically sealed motor compressor unit has refrigerant gas at discharge pressure substantially surrounding the motor of the unit. The compressor includes at least two cylinders in which gas is compressed. A suction plenum for receiving gas at suction pressure surrounds each of the cylinders. Conduits, equal in number to the number of cylinders, are disposed externally of the compressor for delivering the gas into each of the plenums. One end of the conduit is connected to the plenum and the other end of each conduit is interconnected with the remaining conduits. The pressure pulsations developed in each conduit are controlled whereby the pressure in each plenum is at a maximum when the suction valve for a particular cylinder opens and is at a minimum when the piston is substantially at bottom dead center.

REFERENCES:
patent: 2138093 (1938-11-01), Feldbush et al.
patent: 2153773 (1939-04-01), Patrignani
patent: 3239132 (1966-03-01), Frank et al.
patent: 4281972 (1981-08-01), Jacobs

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