Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1992-12-07
1994-06-21
Vrablik, John J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 60, F01C 104, F04C 1804
Patent
active
053224264
ABSTRACT:
A displacement machine for compressible mediums exhibits several spiral-shaped conveying spaces, which are disposed in a stationary housing and which span a circumferential angle of approximately 360.degree.. The spiral-shaped displacement bodies, which are assigned to the conveying spaces and which span a circumferential angle of approximately 360.degree., are held in such a manner on a disk-shaped rotor, driven off-centered with respect to the housing, that during service each of their points effects a circular movement defined by the circumferential walls of the conveying spaces. The predominant reach of both the spirals of the conveying spaces and the displacement bodies extends with a first curvature and their exit-sided end exhibits over an angular range (.alpha.) of 45.degree. a second curvature that is clearly smaller.
REFERENCES:
patent: 4715797 (1987-12-01), Guttinger
patent: 4781549 (1988-11-01), Caillat
Aginfor AG fur Industrielle Forschung
Vrablik John J.
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