Rotary expansible chamber devices – Convertible or changeable by assembly or disassembly
Patent
1995-06-16
1996-12-31
Vrablik, John J.
Rotary expansible chamber devices
Convertible or changeable by assembly or disassembly
418 555, 418 57, 29888022, F04C 1804
Patent
active
055888194
ABSTRACT:
A scroll-type apparatus includes a radial compliant drive. The radial compliant drive is achieved by using a set of corresponding flat driving surfaces with one of the drive surfaces being located on a drive bushing and the other being located on a crankshaft. The drive bushing is provided with a pair of flat drive surfaces with each flat drive surface of the drive bushing capable of mating with the drive surface of the crankshaft in a different geometrical fashion to provide two different radial driving loads.
REFERENCES:
patent: 5017107 (1991-05-01), Fraser, Jr. et al.
patent: 5295813 (1994-03-01), Caillat et al.
patent: 5328342 (1994-07-01), Ishii et al.
patent: 5342185 (1994-08-01), Anderson
patent: 5433589 (1995-07-01), Wada et al.
Copeland Corporation
Vrablik John J.
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