Scroll type fluid compressor with thickened spiral elements

Details Scroll type fluid compressor with thickened spiral elements Scroll type fluid compressor with thickened spiral elements

1983-09-26

1985-10-15

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

F04C 1804

Patent

active

045471371

ABSTRACT:
A scroll type compressor has interfitting spiral elements with thickened inner end portions which are stronger than the inner end portions of conventional spirals, and minimize the re-expansion volume of the working fluid. The inner end portions are comprised of arcuate surfaces which deviate from the involute curves of the remainder of the spiral elements.

REFERENCES:
patent: 3473728 (1969-10-01), Vulliez
patent: 3802809 (1974-04-01), Vulliez
patent: 3874827 (1975-04-01), Young
patent: 4382754 (1983-05-01), Shaffer et al.

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