Tip seal in a scroll fluid machine

Details Tip seal in a scroll fluid machine Tip seal in a scroll fluid machine

2007-11-13

2007-11-13

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055100, C418S142000

Reexamination Certificate

active

11464576

ABSTRACT:
A scroll fluid machine comprises a stationary scroll having a stationary wrap and an orbiting scroll having an orbiting wrap. A tip seal is provided in a tip-seal groove at the ends of the stationary and orbiting wraps to allow the stationary wrap to engage with the orbiting wrap slidably. The tip seal comprises a sealing material in the tip-seal groove and a backup material between the sealing material and the bottom of the tip-seal groove. The tip seal tightly contact the backup material without an adhesive to keep their sideward positional relationship exact.

REFERENCES:
patent: 6068459 (2000-05-01), Clarke et al.
patent: 7195469 (2007-03-01), Tsuchiya et al.
patent: 2007/0071626 (2007-03-01), Tsuchiya et al.
patent: 3248618 (1991-11-01), None
patent: 6207588 (1994-07-01), None
patent: 08100776 (1996-04-01), None
patent: 09250467 (1997-09-01), None

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