Rotor tooth form for a screw rotor machine

Details Rotor tooth form for a screw rotor machine Rotor tooth form for a screw rotor machine

1982-10-25

1985-01-08

Smith, Leonard E.

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

F01C 116, F01C 124

Patent

active

044925468

ABSTRACT:
Rotor tooth forms for a pair of screw rotors in the form of a female rotor and a male rotor, wherein the female rotor has a rotor tooth form including a flank of a surface of advance constituted by an arc and a second order curve, and a flank of a surface of retrocession constituted by a curve generated by an arc of a forward end portion of a lobe on the male rotor and an arc, and the male rotor has a rotor tooth form essentially formed by generating loci of the flank of the surface of advance of the female rotor and the flank of the surface of retrocession thereof.

REFERENCES:
patent: 2325617 (1943-08-01), Lysholm
patent: 2683994 (1954-07-01), Whitfield
patent: 2901164 (1959-08-01), Whitfield
patent: 4401420 (1983-08-01), Kasuya
patent: 4406602 (1983-09-01), Kasuya

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