Title:
UNDERWATER AERATION MIXING DEVICE PROVIDED WITH MOTOR COOLING FUNCTION
Document Type and Number:
WIPO Patent Application WO/2021/009823
Kind Code:
A1
Abstract:
An underwater aeration mixing device that comprises a motor, an impeller that is rotated by being driven by the motor, and a discharge port to discharge a gas-liquid mixed water flow supplied from the impeller, wherein a cooling nozzle is provided so as to branch from the discharge port and a water current is generated on the outer circumference of the motor due to the gas-liquid mixed water flow being sprayed from the cooling nozzle toward the motor. By generating a water current on the outer circumference of the motor, it is possible to efficiently dissipate heat generated by the motor and mitigate motor overheating.
Inventors:
SONDA IKUMA (JP)
Application Number:
PCT/JP2019/027821
Publication Date:
January 21, 2021
Filing Date:
July 12, 2019
Export Citation:
Assignee:
HANSHIN ENG CO LTD (JP)
International Classes:
B01F1/00; B01F3/04; B01F7/16; B01F15/06; C02F3/20; C02F7/00; H02K9/04
Foreign References:
| JP2004105856A | 2004-04-08 | |||
| JP2002079290A | 2002-03-19 | |||
| JP2000271590A | 2000-10-03 |
Attorney, Agent or Firm:
ARC PATENT ATTORNEYS' OFFICE (JP)
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