Magnetically actuated seal for scroll compressor

Details Magnetically actuated seal for scroll compressor Magnetically actuated seal for scroll compressor

1991-03-04

1992-09-08

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 555, 418 57, 418142, 277 80, F04C 1804, F04C 2700, F16J 1520

Patent

active

051453452

ABSTRACT:
Seal structure for a scroll compressor is provided with localized magnetic surfaces. The seal is carried by one member and the magnetic surface coacts with a facing ferromagnetic surface to provide a seal therebetween even when the members are axially displaced and where there is orbiting motion therebetween.

REFERENCES:
patent: 3170409 (1965-02-01), McLeod et al.
patent: 3306621 (1967-02-01), Fisher
patent: 3700248 (1972-10-01), Teske et al.
patent: 3708177 (1973-01-01), Baermann
patent: 3986799 (1976-10-01), McCullough
patent: 3994633 (1976-11-01), Schaffer
patent: 4496303 (1985-01-01), Loubier
patent: 4549157 (1985-10-01), Loubier
patent: 4645437 (1987-02-01), Sakashita et al.

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