Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1990-09-06
1991-08-06
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
464104, 464105, F01C 104, F01C 1706, F16D 304
Patent
active
050372807
ABSTRACT:
A scroll fluid machine comprising a first scroll rotated by a drive source, a second scroll eccentric from the central axis of the first scroll, the second scroll cooperating with the first scroll to compress fluid, a coupling which is provided on the outer end surface of one of said first and second scrolls and engaged with the one scroll at two positions in the periphery thereof so that the scrolls are movable in diametrical directions which are perpendicular to each other, respectively, and a pair of coupling arms which are provided on the other of the first and second scrolls and engaged with the coupling at two positions in the periphery thereof, in such a manner that the phantom line connecting the positions of engagement of said coupling arms is perpendicular to the phantom line connecting the positions of engagement of said coupling.
REFERENCES:
patent: 1501647 (1924-07-01), Campbell
patent: 4178143 (1979-12-01), Thelen et al.
patent: 4610610 (1986-09-01), Blain
patent: 4753582 (1988-06-01), Morishita et al.
Fujii Kozaburo
Morishita Etsuo
Nishida Mitsuhiro
Yamamoto Sakuei
Mitsubishi Denki K.K.
Vrablik John J.
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