Apparatus for controlling the performance of a motor compressor

Details Apparatus for controlling the performance of a motor compressor Apparatus for controlling the performance of a motor compressor

F - Mech Eng,Light,Heat,Weapons

25

B

62/31, 230/51

F25B 3/00 (2006.01) F04B 39/12 (2006.01)

Patent

CA 1097090

Apparatus for Controlling the Performance of a Motor Compressor 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.

342781

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