Seal member for vortex compressor

Details Seal member for vortex compressor Seal member for vortex compressor

2006-11-14

2006-11-14

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055100, C418S055600, C418S142000

Reexamination Certificate

active

07134852

ABSTRACT:
A vortex compressor includes a stationary vortex body and a rotatable vortex body located in the casing so as to define a compression chamber and an expelling chamber. Each of the stationary vortex body and the rotatable vortex body has a base board and a vortex portion extending from the base board. A vortex groove is defined in an end surface of each of the vortex portion and a seal member is engaged with the vortex groove. The vortex groove includes a start end which is located close to the base board. Each of the seal members includes a cut-off portion defined in a distal end thereof in the start end. When the compressor is activated, the refrigerant enters the grooves to push the seal members toward the vortex boards to maintain the pressure.

REFERENCES:
patent: 4869658 (1989-09-01), Tsutsumi et al.
patent: 01121582 (1989-05-01), None
patent: 03011101 (1991-01-01), None
patent: 03246389 (1991-11-01), None
patent: 06272679 (1994-09-01), None
patent: 2002031069 (2002-01-01), None

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