发明名称 |
Electrically-operated fuel pump |
摘要 |
Disclosed is an electrically-operated fuel pump for pumping fuel such as gasoline, light oil and heavy oil, comprising a pump housing; a motor having a rotating shaft and encased centrally in the pump housing, the motor comprising a rotor formed by fixing a permanent magnet to the rotating shaft thereof and a stator arranged around the rotor, the stator having plural windings of coils adapted to be sequentially excited to rotate the rotor; a pump section encased in the pump housing below the motor and operatively connected to the rotating shaft of the motor; and an electric circuit package made of an oil-resistant and water-resistant material and incorporated in the pump housing above the motor, the electric circuit package oil-tightly incorporating a plurality of rotor position detecting devices for detecting an angular position of the rotor, wherein a portion of the electric circuit package facing to the rotor is made of a paramagnetic material.
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申请公布号 |
US4726746(A) |
申请公布日期 |
1988.02.23 |
申请号 |
US19860912116 |
申请日期 |
1986.09.29 |
申请人 |
ASIAN KOGYO KABUSHIKI KAISHA |
发明人 |
TAKADA, SHIGETAKA;NOMURA, MASAAKI;KONDOH, SATOSHI |
分类号 |
H02K11/00;F02M37/08;F02M37/10;F04D5/00;F04D13/06;F04D13/08;H02K5/12;H02K29/08;(IPC1-7):F04B17/00;F04B35/00 |
主分类号 |
H02K11/00 |
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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