Scroll machine with floating seal

Details Scroll machine with floating seal Scroll machine with floating seal

1992-02-24

1992-10-20

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418 555, 418 57, 277 37, 277 38, 277 47, 277 81R, F01C 104, F01C 1900, F16J 1512

Patent

active

051565390

ABSTRACT:
A scroll machine utilizing working fluid under pressure to enhance axial sealing, including several embodiments of a multi-function floating seal to isolate the axial biasing fluid, and provide vacuum protection and a degree of high pressure ratio protection.

REFERENCES:
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patent: 3306683 (1967-02-01), Deuring
patent: 3511512 (1970-05-01), Wheelock
patent: 3600114 (1971-08-01), Dvorak et al.
patent: 3707852 (1973-01-01), Burckhardt et al.
patent: 4116452 (1978-09-01), Schanz
patent: 4655462 (1987-04-01), Balsells
patent: 4669737 (1987-06-01), Diffenderfer
patent: 4869514 (1989-09-01), Bogdanovic
patent: 4877382 (1989-10-01), Caillat et al.
patent: 4940080 (1990-07-01), Reeves et al.
patent: 4993928 (1991-02-01), Fraser, Jr.
Catalog of American Variseal entitled "VARILIP-Radial Turcite Lip Seals for Rotating Shafts".

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