Birch, Stewart, Kolasch & Birch, LLP
Co-rotating scroll compressor and method for designing the same
A co-rotating scroll compressor includes a driving-side scroll member (7), a driven-side scroll member (9), a pin ring mechanism (15), a driving-side bearing (11) that rotatably supports the driving-side scroll member (7), and a driven-side bearing (13) that rotatably supports the driven-side scroll member (9). A center of gravity of at least one of the driving shaft (6), the driving-side scroll member (7), and the driven-side scroll member (9) is shifted from rotation centers (CL1, CL2) by a predetermined distance. The predetermined distance is set so that a total bearing load obtained by centrifugal force and fluid compression that is 5% of a dynamic load rating of the driving-side bearing (11) and the driven-side bearing (13) or more is generated.
MITSUBISHI HEAVY INDUSTRIES, LTD.
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Takahide Keita Makoto Takuma Hirofumi
Ito Kitaguchi Takeuchi Yamashita Hirata