Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Patent
1992-10-05
1993-07-20
Cuda, Irene
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
418 551, B23P 1500
Patent
active
052281965
ABSTRACT:
A scroll type compressor includes a fixed scroll and an orbiting scroll which have their base plates provided with scroll wraps, and which have the scroll wraps combined to form a compression chamber therebetween, a frame which has the orbiting scroll put thereon so as to allow the orbiting scroll to carry out orbiting movement, which has a peripheral portion formed with a flange, which has the fixed scroll fixed on the flange, which has a bearing at a central portion, and which has an outer peripheral surface formed with a stepped portion; a crankshaft which is rotatably supported at its upper portion by the frame bearing to give orbiting movement to the orbiting scroll connected to the upper end of the crankshaft, and which supports an electric motor rotor at a central portion; a subframe which has a central portion formed with a bearing for rotatably supporting the crankshaft at its lower end; a center shell which has an upper inner peripheral surface formed with a stepped portion engageable with the stepped portion in the frame, which has the frame shrinkage fitted thereto, which has a glass terminal below the stepped portion, which has an electric motor stator fixed below the glass terminal, and which has the subframe fixed below the electric motor stator.
REFERENCES:
patent: 4552518 (1985-11-01), Utter
patent: 4702683 (1987-10-01), Inaba et al.
patent: 4767293 (1988-08-01), Caillot et al.
patent: 5000669 (1991-03-01), Shimizu et al.
patent: 5042150 (1991-08-01), Fraser, Jr.
patent: 5051079 (1991-09-01), Richardson, Jr.
Hara Schoichiro
Ukioka Motokazu
Cuda Irene
Mitsubishi Denki & Kabushiki Kaisha
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