Title:
排水ポンプ
Document Type and Number:
Japanese Patent JP7442803
Kind Code:
B2
Abstract:
[Problem] To provide a drain pump which can effectively reduce noise. [Solution] This drain pump (1) has a motor case (40) which accommodates a motor (30). The motor case (40) has: a bottom wall part (51); a cylindrical inner wall part (52), the lower end of which is connected to the bottom wall part (51); outer wall parts (54), (55) which are circular arcs in a plan view, and the lower ends of which are connected to the bottom wall part (51); and a motor support part (56) connected to an upper end of the inner wall part (52). The outer wall parts (54), (55) are disposed to be spaced apart from the inner wall part (52), the motor support part (56), and the motor (30).
Inventors:
Katsushi Sato
Yoshiki Watanabe
Yoshiki Watanabe
Application Number:
JP2020090875A
Publication Date:
March 05, 2024
Filing Date:
May 25, 2020
Export Citation:
Assignee:
Fuji Koki Co., Ltd.
International Classes:
F04D1/14
Domestic Patent References:
| JP2013194671A | ||||
| JP2012127281A | ||||
| JP2003262355A | ||||
| JP2020169639A |
Attorney, Agent or Firm:
Patent Attorney Corporation Opus International Patent Office