Scroll type compressor

Details Scroll type compressor Scroll type compressor

F - Mech Eng,Light,Heat,Weapons

04

C

F04C 18/02 (2006.01) F04B 49/00 (2006.01)

Patent

CA 2050693

ABSTRACT The present invention relates to a scroll type compressor, and more particularly to a scroll type com- pressor in which a pair of bypass ports which communicate with a chamber being compressed are bored in an end plate of a stationary scroll, and an inner surface of a capacity control block which is separate from the stationary scroll is made to abut against the outer surface of the end plate of the stationary scroll, thus forming a recessed portion which communicates with the pair of bypass ports there- between, and one cylinder which communicates with a suction chamber in a housing is provided in the capacity aontrol block and a piston operating by a control pressure in accordance with a load of the compressor is disposed slidably in the cylinder, and a communication hole which communicates with the recessed chamber is opened and closed by the piston, thereby to control the output capacity of the compresqor in the range from 0 to 100%. - 21 -

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