Tip seal for scroll compressor

Details Tip seal for scroll compressor Tip seal for scroll compressor

1990-01-08

1991-08-06

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418142, 277204, 277206R, 277235R, F04C 1804, F04C 2700, F16J 1548

Patent

active

050372815

ABSTRACT:
A tip seal for scroll type compressors is provided to seal the tips of the scroll wraps of the stationary and orbiting scrolls. The seal consists of a "C" shaped cross sectional spring formed to fit in a slot in the tip of the scroll wraps. The spring is coated with a Teflon based material to seal the scroll tip from the high pressure side to the low pressure side and the center of the "C" shaped cross sectional spring is filled with an O-ring type neoprene material extending through at least part of the length of the spring to seal the core of the spring against leakage of fluid being compressed.

REFERENCES:
patent: 3603603 (1971-09-01), Woodson
patent: 4508356 (1985-04-01), Janian
patent: 4566703 (1986-01-01), Zitting

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