Screw rotor for fluid handling devices

Details Screw rotor for fluid handling devices Screw rotor for fluid handling devices

1993-10-07

1995-10-24

Bertsch, Richard A.

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

418150, F01C 116

Patent

active

054604958

ABSTRACT:
A screw rotor for fluid handling devices configured to reduce the area of blowholes virtually without relationship to the length of the sealing line by selecting specific profile shapes of the addendum of the female rotor and the dedendum on male rotor. Further, the screw rotor configuration eliminates semi-occluded pockets forming between the addendum of the female rotor and the dedendum of the male rotor.

REFERENCES:
patent: 4679996 (1987-07-01), Tanaka et al.
patent: 4938672 (1990-07-01), Ingalls
patent: 5058907 (1992-02-01), Yoshimura
"The Calculus with Analytic Geometry, Fourth Edition ", by Louis Leithold, Harper & Row Publishers, 1981.

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