Twin-plate rotary compressor

Details Twin-plate rotary compressor Twin-plate rotary compressor

2005-06-01

2010-06-01

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Interengaging rotating members

With movable partition

C418S068000, C418S140000, C418S143000, C418S195000

Reexamination Certificate

active

07726960

ABSTRACT:
This invention relates to a twin-plate, rotary compressor and refers particularly, though not exclusively, to a twin-plate, rotary compressor comprising two conical plates for relative rolling motion within a casing, there being a line contact between the two conical plates; the line contact being maintainable during operation of the compressor; a central seal for sealingly engaging correspondingly-shaped recesses of the two conical plates; and an outer seal in mating relationship with the two conical plates; wherein the central seal is mounted on a drive shaft, the drive shaft being operatively connected to an output shaft of a motor; wherein the drive shaft, the central seal and the outer seal are for rotation about a third axis of rotation, the third axis of rotation being coincident with a longitudinal axis of the drive shaft and a center of the central seal.

REFERENCES:
patent: 763963 (1904-07-01), Cobb
patent: 764465 (1904-07-01), Hendricks
patent: 2482325 (1949-09-01), Davis
patent: 2621852 (1952-12-01), Pisa
patent: 3040664 (1962-06-01), Hartley
patent: 3277792 (1966-10-01), Stenerson
patent: 3528242 (1970-09-01), Hartmann
patent: 3556696 (1971-01-01), Bertoni
patent: 4688522 (1987-08-01), McMaster
patent: 4799870 (1989-01-01), McMaster
patent: 5018435 (1991-05-01), Kägi
patent: 2064429 (1972-01-01), None

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