Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1989-08-24
1991-05-07
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418151, F01C 104, F01C 2100
Patent
active
050132261
ABSTRACT:
A scroll type machine having a driving scroll to be driven by a driving source and a driven scroll to be rotated with a rotation center eccentric with respect to a rotation center of said driving scroll in synchronism with the driving scroll is characterized by having a balance weight attached to one of opposite peripheral portions of a circular disc portion of said driving scroll or said driven scroll and a dummy weight attached to the other peripheral portion of said circular portion.
REFERENCES:
patent: 4735559 (1988-04-01), Morishita et al.
Mitsubishi Denki K. K.
Vrablik John J.
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