Axial compliance means with radial sealing for scroll-type appar

Details Axial compliance means with radial sealing for scroll-type appar Axial compliance means with radial sealing for scroll-type appar

1975-03-24

1976-11-30

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

418142, F01C 102, F04C 1702, F01C 1908

Patent

active

039946363

ABSTRACT:
Axial compliance/sealing means are provided for scroll-type apparatus. These means comprise seal elements associated with the involute wraps which are urged by an axial force to make sealing contact with the end plates of the opposing scroll members. The axial force may be pneumatically or mechanically applied and the resulting axial contact is of such a nature as to maintain the integrity of the radial sealing within the apparatus. The use of the axial compliance/sealing means allows the contacting surfaces through which radial sealing is effected to be machined to conventional accuracy, and provides automatic compensation for temperature differentials within the apparatus as well for any uneven wear of the scroll members.

REFERENCES:
patent: 801182 (1905-10-01), Creux
patent: 3655304 (1972-04-01), Sturmer
patent: 3884599 (1975-05-01), Young et al.

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