Screw-rotor machine with straight flank sections

Details Screw-rotor machine with straight flank sections Screw-rotor machine with straight flank sections

1977-03-28

1979-02-20

Vrablik, John J.

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

74458, F01C 116, F04C 1712, F16H 5508

Patent

active

041404459

ABSTRACT:
Screw rotor machine comprising male and female rotors, where the profile of the flanks of the female rotor comprises portions inside and outside the pitch circle thereof, which portions at the point of intersection with the pitch circle have a common tangent and different radii of curvature and the profiles of the flanks of the male rotor inside the pitch circle have a generally straight section.

REFERENCES:
patent: 2622787 (1952-12-01), Nilsson
patent: 3245612 (1966-04-01), Nilsson et al.
patent: 3414189 (1968-12-01), Persson
patent: 3423017 (1969-01-01), Schibbye
patent: 3773444 (1973-11-01), Koch
patent: 3787154 (1974-01-01), Edstrom

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