Rotary expansible chamber devices – Working member has planetary or planetating movement – Helical working member – e.g. – scroll
Patent
1976-01-29
1976-11-02
Husar, C. J.
Rotary expansible chamber devices
Working member has planetary or planetating movement
Helical working member, e.g., scroll
418 60, F04C 1702
Patent
active
039894223
ABSTRACT:
A displacement machine for compressible media comprising a displacement compartment bounded by an inwardly situated spiral-shaped side wall and an outwardly situated spiral-shaped side wall, the displacement compartment describing a span angle which exceeds 360.degree. and extends from an inlet to an outlet. The displacement compartment is provided with a displacement element which carries out a circulatory movement relative to the displacement compartment and likewise possesses the shape of a spiral and has practically the same span angle as the displacement compartment. The displacement element, during the course of the circulatory movement, always contacts both the outer situated side wall and the inner situated side wall at least at one respective advancing contact line. A pole of a first section, spanning approximately 360.degree. both of the displacement compartment and the displacement element is off set from a pole of a likewise spiral-shaped second section which uniformly merges at the inner end of this first section by an amount which is smaller than the mean radius of curvature at the inner end of the aforementioned first section.
REFERENCES:
patent: 801182 (1905-10-01), Creux
patent: 1376291 (1921-04-01), Rolkerr
patent: 3011694 (1961-12-01), Audemar
patent: 3560119 (1971-02-01), Busch et al.
patent: 3802809 (1974-04-01), Vulliez
Aginfor AG fur Industrielle Forschung
Husar C. J.
Kleeman Werner W.
Smith Leonard
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