Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1984-05-07
1985-11-19
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 60, 418 88, F03C 202, F04C 204, F04C 1100
Patent
active
045539138
ABSTRACT:
A scroll-type hydraulic machine having a first stationary scroll with a first scroll wrap, a first orbiting scroll with a second scroll wrap on one surface thereof interleaved with the first scroll wrap, a first orbiting scroll shaft on the other surface of the first orbiting scroll, a second stationary scroll having a third scroll wrap, a second orbiting scroll having a fourth scroll wrap on one surface interleaved with the third scroll wrap, a second orbiting scroll shaft provided on the other surface of the second orbiting scroll, and a crank mechanism. The crank mechanism includes a rotatably driven crankshaft having an eccentric through-hole extending lengthwise therethrough, an eccentric shaft rotatably supported by bearings in the eccentric through-hole, and first and second eccentric ring mechanisms. Each eccentric ring mechanism is provided at one end of the eccentric shaft and is rotatable with respect thereto. The orbiting scroll shafts are driven in an orbital pattern through the respective eccentric ring mechanisms.
REFERENCES:
patent: 3407996 (1968-10-01), Olofsson et al.
patent: 3986799 (1976-10-01), McCullough
patent: 4065279 (1977-12-01), McCullough
patent: 4431388 (1984-02-01), Eber et al.
Inaba Tsutomu
Morishita Etsuo
Nakamura Toshiyuki
Sugihara Masahiro
Mitsubishi Denki & Kabushiki Kaisha
Vrablik John J.
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