Title:
DRAINAGE PUMP
Document Type and Number:
WIPO Patent Application WO/2018/096832
Kind Code:
A1
Abstract:
Provided is a drainage pump capable of suppressing the occurrence of a separated flow at a discharge part. The drainage pump (1) has a housing (10) housing a rotary vane (30) for taking up drainage water by being rotated by a motor (40). The housing (10) has: a body section (11) having therein a space into which the drainage water flows; and a tubular discharge section (13) for discharging the drainage water which has flowed into the space. In addition, at a position where the diameter of the internal space of the discharge section (13) changes, internal surface portions of the discharge section (13) before and after the change position are connected together by a curved surface (S).
Inventors:
SATO KATSUSHI (JP)
KATO YUYA (JP)
KATO YUYA (JP)
Application Number:
PCT/JP2017/037153
Publication Date:
May 31, 2018
Filing Date:
October 13, 2017
Export Citation:
Assignee:
FUJIKOKI CORP (JP)
International Classes:
F04D1/14; F04D29/66
Foreign References:
| JP2002139000A | 2002-05-17 | |||
| JP2000213770A | 2000-08-02 | |||
| JP2004060620A | 2004-02-26 | |||
| JP2016027249A | 2016-02-18 | |||
| JP2013209961A | 2013-10-10 | |||
| JP2001355597A | 2001-12-26 |
Attorney, Agent or Firm:
OPUS IP LAW FIRM (JP)
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