Multi-cylinder swash plate compressor discharge gas flow arrange

Details Multi-cylinder swash plate compressor discharge gas flow arrange Multi-cylinder swash plate compressor discharge gas flow arrange

1991-04-15

1992-08-18

Smith, Leonard E.

Pumps

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

417312, F04B 116

Patent

active

051393921

ABSTRACT:
A refrigerant compressor assembly includes a shaft rotatably supported in a housing. A swash plate in disposed on the shaft, centrally within the housing. Three double-ended pistons are reciprocally supported on the swash plate within respective front and rear compression chambers for creating alternating compression and suction strokes in response to rotation of the swash plate. Refrigerant fluid discharged from the three front compression chambers is directed to a front discharge cavity and from the three rear compression chambers to a rear discharge cavity. The discharged fluid from the respective front and rear discharge cavities are each divided and then routed through equally restrictive flow passages to a primary and secondary mixing chamber. A first exhaust channel extends from the primary mixing chamber to an exhaust port of the compressor. A second exhaust channel extends from the secondary mixing chamber to the exit port and conveys the discharged fluid along a path having a greater restriction to fluid flow than the first exhaust channel. The discharged fluid flows from the first and second exhaust channels merge at or just upstream of the exit port.

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