Rotary compressor

Details Rotary compressor Rotary compressor

F - Mech Eng,Light,Heat,Weapons

04

C

230/117

F04C 18/344 (2006.01) F04C 18/348 (2006.01)

Patent

CA 1233801

ABSTRACT OF THE DISCLOSURE A novel rotary compressor is provided herein. It includes a center housing and front and rear side housings, a rotary sleeve rotatably mounted in the center housing and in the front and rear side housings, a rotor eccentrically disposed in the rotary sleeve, the rotor containing a plurality of vanes which are radially and movably fitted therein, and a plurality of air-guide grooves formed in the opposite side surfaces of the rotary sleeve and peripherally separated from each other, the air-guide grooves extending radially from the inner periphery of the rotary sleeve to the outer periphery of the rotary sleeve. As the rotary sleeve rotates, the air-guide grooves guide air to flow from the compression working space in the rotary sleeve to the air-bearing room between the outer periphery of the rotary sleeve and the inner periphery of the center housing and from the air-bearing room to the suction working space in the rotary sleeve so that an air film is formed in each of the both side clearances between the both side surfaces of the rotary sleeve and the inner surfaces of the both side housings. The advantages offered by this construction are mainly that opposite side surfaces of the rotary sleeve and the inner surfaces of the both side housings are substantially free from wear.

443117

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