Scroll compressor with planar surfaces on the internal end porti

Details Scroll compressor with planar surfaces on the internal end porti Scroll compressor with planar surfaces on the internal end porti

1983-07-29

1985-12-17

Vrablik, John J.

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

F04C 1804

Patent

active

045589976

ABSTRACT:
A scroll compressor includes a casing, an electric motor and a compressor unit housed in the casing and the compressor unit comprises a movable member having a first scroll blade driven eccentrically by the electric motor and a structural member having a second scroll blade encasing the movable member so that the first scroll blade revolves around a central axis of the compressor with a predetermined radius of revolution, while the first blade is maintained in sliding contact with the second blade. The two scroll blades are formed by drawing a series of semicircles alternately around a first point and a second point spaced apart from the first point. An internal end portion of the first and second scroll blades includes a planar surface disposed perpendicular to a line interconnecting the first and second point.

REFERENCES:
patent: 3473728 (1969-10-01), Vulliez
patent: 3874827 (1975-04-01), Young
patent: 4141677 (1979-02-01), Weaver et al.

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