Swash plate type compressor with a central inlet passage

Details Swash plate type compressor with a central inlet passage Swash plate type compressor with a central inlet passage

1992-05-08

1993-02-02

Smith, Leonard E.

Pumps

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

91502, 92 71, F04B 2708

Patent

active

051833948

ABSTRACT:
A swash plate type compressor which includes a pair of cylinder blocks. The cylinder blocks contains a crank case and a plurality of cylinders leading to a suction port. A pair of housing sections cover the cylinder blocks, and contain a suction chamber leading to each about the center of the cylinders, and a discharge chamber which is fluidly connected to the cylinders. The cylinder blocks rotatably support a drive shaft. The suction chamber contains a shaft sealing device in order to seal a forward section of the drive shaft. A refrigerant fluid within the crank case is sucked into the cylinders via the suction chamber. A refrigerant passage is provided along the central axis of the drive shaft. A plurality of inlet and outlet ports are connected to the refrigerant passage and to the crank case and suction chamber. The refrigerant passage, the outlet ports and the inlet ports form a refrigerant suction passage. Consequently, the refrigerant concentration in the suction chamber is rendered uniform, and the reliability of the shaft sealing device is improved.

REFERENCES:
patent: 3079869 (1963-03-01), Purcell
patent: 3734647 (1973-05-01), Sparks
patent: 3888604 (1975-06-01), Oshima et al.
patent: 5052898 (1991-10-01), Cook

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