Scroll compressor

Details Scroll compressor Scroll compressor

F - Mech Eng,Light,Heat,Weapons

04

C

F04C 18/02 (2006.01) F01C 17/06 (2006.01) F04C 29/00 (2006.01)

Patent

CA 2057032

A scroll compressor incorporates an electric motor unit and a scroll compressor unit in a sealed container. The scroll compressor unit has a frame having a bearing at the center thereof, a first scroll driven by the electric motor unit having an end plate and a wrap of an involute curve projecting from the end plate, and a second scroll having an end plate and a wrap of an involute curve projecting from the end plate of the second scroll provided in a juxtaposed relation with the first scroll so that the wraps of the two scrolls are fitted closely together to form a plurality of compression spaces. A driving device rotates the second scroll in the same direction as the first scroll. The driving device has a driving pin disposed on an outer circumference of either the first or second scroll and a guide groove extending in a radial direction of the other of the first or second scroll for receiving the driving pin in such a manner that a circle orbit of an outer circumference of the guide groove is located outside a circle orbit of a center of the driving pin. By this construction, the first scroll driven by the electric motor unit and the second scroll in confronting engagement with the first scroll are rotated in the same direction by a single driving device for compression.

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