Non-circular orbiting scroll for optimizing axial compliancy

Details Non-circular orbiting scroll for optimizing axial compliancy Non-circular orbiting scroll for optimizing axial compliancy

1991-01-14

1992-02-25

Vrablik, John J.

Rotary expansible chamber devices

Methods

418 552, 418 555, F01C 104

Patent

active

050908782

ABSTRACT:
The axial forces acting upon the orbiting scroll of a scroll compressor during operation produce a resultant force which requires a varying, crank angle dependent radius for dynamic equilibrium. The flat plate or floor portion of the orbiting scroll is provided with a varying radius to provide sufficient radius to be acted on by the resultant force. In a preferred embodiment, the radius is only increased beyond the nominal radius for the angular extent necessary and a diametrically located angular extent of reduced radius is provided to make room for other components and/or to reduce friction.

REFERENCES:
patent: 4304535 (1981-12-01), Terauchi
patent: 4609334 (1986-09-01), Muir et al.

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