发明名称 |
Screw rotor mechanism with specific tooth profile |
摘要 |
A screw rotor mechanism which 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 are a2-b2 having its center at a point 07 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 to tooth female tooth crests or tips and forms no seal grooves thereon. The thus shaped rotors are adapted to be machined with a high efficiency by a gear hobbing machine.
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申请公布号 |
US4671750(A) |
申请公布日期 |
1987.06.09 |
申请号 |
US19860884070 |
申请日期 |
1986.07.10 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO |
发明人 |
MIYOSHI, KIYOTADA;TSUBOI, NOBORU;NISHITANI, KUNIHIKO;KUBO, KAZUO;YOSHIMURA, SHOUJI |
分类号 |
F04C18/08 |
主分类号 |
F04C18/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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