Rotary expansible chamber devices – Helical working member
Patent
1992-01-13
1992-11-17
Bertsch, Richard A.
Rotary expansible chamber devices
Helical working member
417356, 418152, F04C 1800
Patent
active
051638274
ABSTRACT:
A compressor includes a cylinder, and a rotating body located in the cylinder, and a helical groove formed on the outer periphery of the rotating body. A helical blade is fitted in the groove and divides the space between the inner periphery of the cylinder and the outer periphery of the rotating body into operating chambers which have volumes gradually decreasing with distance from one end of the cylinder. The helical blade has dimensions satisfying the following formula:
REFERENCES:
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patent: 4403930 (1983-09-01), Kodama
patent: 4871304 (1989-10-01), Iida et al.
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patent: 4875842 (1989-10-01), Iida et al.
patent: 5026264 (1991-06-01), Morozumi et al.
patent: 5028222 (1991-07-01), Iida et al.
Bertsch Richard A.
Kabushiki Kaisha Toshiba
McAndrews Roland
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