发明授权
- 专利标题: Fuel supply pump
- 专利标题(中): 燃油泵
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申请号: US103775申请日: 1979-12-14
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公开(公告)号: US4295797A公开(公告)日: 1981-10-20
- 发明人: Karl Ruhl , Ulrich Kemmner
- 申请人: Karl Ruhl , Ulrich Kemmner
- 申请人地址: DEX Stuttgart
- 专利权人: Robert Bosch GmbH
- 当前专利权人: Robert Bosch GmbH
- 当前专利权人地址: DEX Stuttgart
- 优先权: DEX2745818 19771012
- 主分类号: F04D7/00
- IPC分类号: F04D7/00 ; F02M37/18 ; F04C15/00 ; F04D13/02 ; F04D13/06 ; F04D13/12 ; F02M37/08 ; F04B17/00 ; F04B23/14
摘要:
A fuel supply pump is proposed where the pumping system comprises two individual pumping stages connected in seriatim and are both driven by the motor armature of an electromotor located in a common housing, and further where the drive of the pumping stage adjacent to the electromotor is accomplished by means of a contactless coupling assembly including permanent magnets fixed in the hub areas of the rotating parts of the adjacently disposed pumping stages. In a further preferred embodiment of the invention the permanent magnets are operatively associated by being in radial alignment but not in contact with each other and are separated in a pressure-tight manner by means of a rigid flange-like element inside the housing of the fuel supply assembly.
公开/授权文献
- USD424182S Toilet 公开/授权日:2000-05-02
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