Scroll-type apparatus with fixed throw crank drive mechanism

Details Scroll-type apparatus with fixed throw crank drive mechanism Scroll-type apparatus with fixed throw crank drive mechanism

1977-01-24

1978-04-04

Croyle, Carlton R.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 57, 418109, F04C 1702, F04C 2910

Patent

active

040824845

ABSTRACT:
A positive fluid displacement scroll apparatus (compressor or expander) wherein the scroll members run with a small clearance between the wrap side flanks, thus essentially eliminating wearing of the wraps. When efficient radial sealing is attained, very little overall efficiency is sacrificed for the ability to construct low-cost scroll apparatus for a number of uses.

REFERENCES:
patent: 1223997 (1917-04-01), May
patent: 2243874 (1941-06-01), Lysholm
patent: 2822124 (1958-02-01), Klessig et al.
patent: 3348529 (1967-10-01), Assum
patent: 3994633 (1976-11-01), Shaffer

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