F - Mech Eng,Light,Heat,Weapons – 04 – C
Patent
F - Mech Eng,Light,Heat,Weapons
04
C
230/39
F04C 29/00 (2006.01)
Patent
CA 1310622
FP-1037-02 ABSTRACT A screw rotor machanism includes a female rotor F having tooth crests each being formed by a leading side arc g2-a2 overlying a tooth tip circle Cf thereof and a following side arc a2-b2 having its center at a point O7 on a pitch circle Pf thereof, and a male rotor M having tooth tips each being formed by an arc c1-d1 having its center at an interaxial line passing through axes Of,Om of the female and male rotors F,M. The male rotor M also has tooth bottoms being complementary tooth female tooth crests or tips and providing no seal grooves thereon. Thus shaped rotors are adapted to be machined with a high efficiency by a gear hobbing machine.
513302
Kubo Kazuo
Miyoshi Kiyotada
Nishitani Kunihiko
Tsuboi Noboru
Yoshimura Shoji
Kabushiki Kaisha Kobe Seiko Sho
Riches Mckenzie & Herbert Llp
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