Pumps – With condition responsive pumped fluid control – Plural pump units with individual or relative control
Patent
1986-09-18
1988-02-23
Smith, Leonard E.
Pumps
With condition responsive pumped fluid control
Plural pump units with individual or relative control
417310, 418212, F04C 2908
Patent
active
047267399
ABSTRACT:
A multiple cylinder rotary compressor according to the present invention comprises a driving shaft, cylinders concentric to the driving shaft, rotors driven by eccentric portions of the rotary shaft to rotate along the inner circumferential surface of the cylinders, vanes for dividing each of the cylinders into a compression side and a suction side, a partition plate for separating the cylinders from each other, and a control through-hole for connecting the cylinders with each other so that a refrigeration capacity is controlled.
REFERENCES:
patent: 2034159 (1936-03-01), Swartwout
patent: 2125355 (1938-08-01), Metzger
patent: 2454563 (1948-11-01), Mercier
patent: 2550457 (1951-04-01), Dodson
patent: 2683417 (1954-07-01), Burton
patent: 4452571 (1984-06-01), Koda et al.
patent: 4505122 (1985-03-01), Inomata
patent: 4636148 (1987-01-01), Takeo et al.
Aida Makoto
Hara Masayuki
Kiyokawa Yasunori
Kubota Kouichiro
Saitou Jisuke
Olds Theodore
Sanyo Electric Co,. Ltd.
Smith Leonard E.
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