Title:
VORTEX SUPPRESSION MEMBER FOR PUMP, PUMP, AND PUMP EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2023/106298
Kind Code:
A1
Abstract:
A vortex suppression member 12 is attached to the bell mouth of a pump. The vortex suppression member 12 comprises: a curved wall 30 that extends downward from a section of a peripheral edge of an intake opening of the bell mouth in the peripheral direction, the curved wall being curved to form an arc in a cross-sectional view; partition walls 32, 33 provided to the curved wall 30; and a hollow body surrounded by the curved wall 30 and the partition wall 32, the hollow body having both ends in the vertical direction open. Upper ends 32a, 33a of the partition walls 32, 33 are at a lower position than an upper end 30a of the curved wall 30.
Inventors:
SHIGEHARA RYOTA (JP)
XIN XIN (JP)
XIN XIN (JP)
Application Number:
PCT/JP2022/044956
Publication Date:
June 15, 2023
Filing Date:
December 06, 2022
Export Citation:
Assignee:
KUBOTA KK (JP)
International Classes:
F04D29/66; F04D13/16; F04D29/54
Foreign References:
| JP2017172379A | 2017-09-28 | |||
| JP2019132150A | 2019-08-08 | |||
| JP2010249120A | 2010-11-04 | |||
| JP2019105252A | 2019-06-27 |
Attorney, Agent or Firm:
MORIMOTO PATENT ATTORNEYS (JP)
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