Rotors for a screw fluid machine

Details Rotors for a screw fluid machine Rotors for a screw fluid machine

1988-08-05

1990-04-10

Koczo, Michael

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

74462, F01C 116

Patent

active

049156047

ABSTRACT:
A screw fluid machine comprising female and male rotors each including foward and backward flanks each having a reference profile, respectively, wherein on at least one of the forward and backward flanks of the female and male rotors a modified profile is obtained by appropriately angularly shifting the reference profile around a center of the associated rotor to provide proper backlash between the engaged rotors.

REFERENCES:
patent: 3902827 (1975-09-01), Schibbye
patent: 3946620 (1976-03-01), Yamamoto et al.
patent: 4475878 (1984-10-01), Kasuya et al.
patent: 4492546 (1985-01-01), Kasuya et al.

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