Multiple-cylinder piston type refrigerant compressor

Details Multiple-cylinder piston type refrigerant compressor Multiple-cylinder piston type refrigerant compressor

1994-04-28

1996-09-17

Thorpe, Timothy S.

Pumps

Three or more cylinders arranged in parallel, radial, or...

417312, F04B 2708, F04B 3900

Patent

active

055562604

ABSTRACT:
A multiple-cylinder piston type compressor is disclosed. The compressor has a cylinder head fastened to the rear end of a cylinder block assembly of the compressor with a valve plate interposed therebetween and having formed therein a suction chamber formed in a radially outer peripheral region thereof so as to surround a central discharge chamber. The compressor further includes a refrigerant gas intake passage extending along a straight line and radially through the axial center of the compressor and having at least two holes for providing direct communication between the gas intake passage and the suction chamber at positions that are radially spaced. The refrigerant gas intake passage may include a combination of at least two passage portions having different cross-sectional areas.

REFERENCES:
patent: 3514223 (1970-05-01), Hare
patent: 4583922 (1986-04-01), Iijima et al.
patent: 4761119 (1988-08-01), Nomura et al.
patent: 4763563 (1988-08-01), Ikeda et al.
patent: 5252032 (1993-10-01), Iwanami et al.
patent: 5304042 (1994-04-01), Kayukawa et al.

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