发明名称 |
Screw fluid machine with high efficiency bore shape |
摘要 |
A screw fluid machine in which the distance between a point on each of bore walls and the axis of a male or female rotor decreases at a normal temperature in the vicinity of a high-pressure port as the point proceeds from the low-pressure side to the high-pressure side.
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申请公布号 |
US4963079(A) |
申请公布日期 |
1990.10.16 |
申请号 |
US19870111614 |
申请日期 |
1987.10.23 |
申请人 |
HITACHI, LTD. |
发明人 |
FUJIWARA, MITSURU;SUZUKI, AKIRA;UCHIDA, RIICHI |
分类号 |
F04C18/16;F01C1/16 |
主分类号 |
F04C18/16 |
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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