Modified wrap scroll-type machine

Details Modified wrap scroll-type machine Modified wrap scroll-type machine

1987-05-19

1988-11-01

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 97, 418150, F01C 104, F01C 2104, F01C 2108

Patent

active

047815493

ABSTRACT:
There is disclosed a scroll-type machine suited for use as a gaseous fluid compressor. The machine incorporates symmetrical scroll members of substantially one wrap that have modified inner ends to provide continued sealing to a single separation point. The one wrap configuration and modified ends provide a very compact compressor design that enhances manufacturability and yet is able to deliver fluid gas with much greater pressure ratio versatility than conventional multi-wrap scroll compressors. The machine incorporates a discharge valve in the discharge port that allows various pressure ratios to be attained for a variety of end uses.

REFERENCES:
patent: 3473728 (1969-10-01), Vulliez
patent: 3802809 (1974-04-01), Vulliez
patent: 3874827 (1975-04-01), Young
patent: 4417863 (1983-11-01), Ikegawa et al.
patent: 4441870 (1984-04-01), Ikegawa et al.
patent: 4540355 (1985-09-01), Sakaki et al.
patent: 4547137 (1985-10-01), Terauchi et al.
patent: 4552517 (1985-11-01), Shimizu
patent: 4558997 (1985-12-01), Sakata et al.
patent: 4594061 (1986-06-01), Terauchi

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