Refrigerant compressor having gas pulsation suppression device

Details Refrigerant compressor having gas pulsation suppression device Refrigerant compressor having gas pulsation suppression device

1991-01-25

1992-07-14

Smith, Leonard E.

Pumps

With muffler acting on pump fluid

181277, 181279, 181403, F04B 3900

Patent

active

051297922

ABSTRACT:
A variable displacement wobble plate type refrigerant compressor includes a plurality of axially reciprocating pistons. A drive shaft rotates the wobble plate and thereby reciprocates the pistons within their respective compression chambers. Gaseous refrigerant is admitted to each compression chamber through a suction valve and discharged from each compression chamber through a discharge valve. Each discharge valve opens to a common discharge cavity. A hub is rotatable supported about a fixed axis within the discharged cavity, or downstream of the discharge cavity. A plurality of blades pivotally extend from the hub. A compression spring is disposed inside the hub for biasing the blades toward a flat condition. As discharged fluid moving through the discharge cavity impinges upon the blades, the blades are deflected to an angular, propeller-like, orientation for inducing rotation of the hub and thereby creating turbulence in the discharge fluid having a predominantly helical flow pattern downstream of the hub.

REFERENCES:
patent: 1109702 (1914-09-01), Reetz
patent: 1289750 (1918-12-01), Hauman
patent: 4236598 (1980-12-01), Wirt
patent: 4327815 (1982-05-01), Hatturi
patent: 4616732 (1986-10-01), Carboni
patent: 4699244 (1987-10-01), Bergquist et al.
patent: 4715790 (1987-12-01), Iijima et al.

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