Title:
PUMP ROTOR AND DRAIN PUMP
Document Type and Number:
Japanese Patent JP2017106388
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To increase a discharge flow rate of a drain pump without significantly changing a work volume of a drive motor in a drain pump.SOLUTION: In a corner part of one of agitation surfaces 12b1 in a lowermost end of a projection 12b of a shaft part 12B of a pump rotor 12, a chamfer 12S is formed at a predetermined angle θ so that the lowermost end thereof becomes a thin wall part.SELECTED DRAWING: Figure 1
Inventors:
FUJITA YUSAKU
KUSAKA NAOKI
HAMADA SHOGO
TOMITA SAKIKO
KUSAKA NAOKI
HAMADA SHOGO
TOMITA SAKIKO
Application Number:
JP2015241099A
Publication Date:
June 15, 2017
Filing Date:
December 10, 2015
Export Citation:
Assignee:
SAGINOMIYA SEISAKUSHO INC
International Classes:
F04D1/14
Domestic Patent References:
| JPH0269097U | 1990-05-25 | |||
| JPH11148499A | 1999-06-02 | |||
| JPH0968185A | 1997-03-11 | |||
| JP2000213770A | 2000-08-02 |
Foreign References:
| WO2015136833A1 | 2015-09-17 |
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office
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