Co-rotational scroll compressor supercharger device

Details Co-rotational scroll compressor supercharger device Co-rotational scroll compressor supercharger device

1991-11-25

1993-04-06

Cohan, Alan

Refrigeration

Refrigeration producer

Compressor-condenser-evaporator circuit

418 553, 418 555, 418188, F01C 104

Patent

active

051992809

ABSTRACT:
In a co-rotational scroll apparatus having two interleaving scroll wraps secured to end plates rotating about parallel, non-concentric axes, a precharging device affixed to one end plate and substantially enclosing the scroll wraps and the second end plate. Preferably, the precharging device includes a cup-shaped drive housing secured to one end plate and enclosing the scroll wraps, and a flexible torque-transmitting member connecting between the enclosure member and the second end plate. Apertures are provided in the enclosure member to permit fluid flow into the space enclosed by the enclosure device, with vanes disposed adjacent the apertures to force fluid into the enclosed space during rotation of the scroll wraps. Fluid thus forced into the enclosed space is precharged prior to entering the scroll wraps, being at higher pressure than fluid exterior the enclosed space, improving the operating efficiency of the scroll apparatus.

REFERENCES:
patent: 4927339 (1990-05-01), Riffe
patent: 4954056 (1990-09-01), Muta
patent: 5101644 (1992-04-01), Crum

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