Title:
FUEL PUMP AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/148819
Kind Code:
A1
Abstract:
In a fuel pump according to the present invention, an intermediate member 39 is formed from synthetic resin injection-molded from the first bearing side end portion 39a side toward the second bearing side end portion 39b side thereof. Thus, foreign matter adhering to the inner peripheral surface of a magnet 37 and the outer peripheral surface of a rotor shaft 38 can be prevented from mixing into the first bearing side end portion 39a of the intermediate member 39 made from synthetic resin in a rotor 36 of a motor portion 30.
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Inventors:
TAKEUCHI NAOKI (JP)
TANAKA SATOSHI (JP)
NAO SOICHIRO (JP)
IZUMIHARA RYO (JP)
TANAKA SATOSHI (JP)
NAO SOICHIRO (JP)
IZUMIHARA RYO (JP)
Application Number:
PCT/JP2022/003822
Publication Date:
August 10, 2023
Filing Date:
February 01, 2022
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
F02M37/08
Foreign References:
| JP2021032398A | 2021-03-01 | |||
| JP2021048679A | 2021-03-25 | |||
| JP2019154105A | 2019-09-12 | |||
| JPH0452594U | 1992-05-06 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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