公开(公告)号：US10077781B2

公开(公告)日：2018-09-18

申请号：US15639728

申请日：2017-06-30

Applicant: ASMO CO., LTD.

Inventor： Masaru Irie ,  Toshihiro Matsuura ,  Hiroki Ozaki

IPC: F04D29/02 ,  F04D29/58 ,  F04D13/06 ,  F04C2/10

CPC classification number: F04D29/026 ,  F04C2/10 ,  F04D13/06 ,  F04D29/5806 ,  F04D29/5813 ,  F04D29/588 ,  F04D29/5893

Abstract: A metal pump housing includes a shaft support hole for supporting a middle part of a rotary shaft. The rotary shaft includes a first end on which a pump operating portion is provided and a second end on which a motor rotor is provided. A metal motor case is fixed to a part of the pump housing that is at a side of the second end. The motor case accommodates a motor section including a motor stator and a motor rotor. A plastic circuit case member is fixed to a part of the motor case that is opposite to the part to which the pump housing is fixed. A circuit substrate for controlling the motor section is fixed to the circuit case member and is separate from the motor case.