Submersible hollow shaft motor and submersible floating aerator comprising the same

US7661658B2 · kind B2 · utility

Inventors

• Shulin SUN · Gangshan Subdistrict, CN
• Jian Sun · Xiamen, CN

Key dates

• Filing date: Dec 10, 2007
• Grant date: Feb 16, 2010
• Expiry date: Sep 8, 2028

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S261/47
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Provided is a submersible floating aerator, including a submersible hollow shaft motor (1) including a hollow shaft (2), a bottom shaft extension (4), a first motor flange (15), a second motor flange (16), a first flange (24) and a second flange (25), a gas-ring compressor (17), a base (21) having a gas inlet hole (22), a gas inlet tube (23), a dome (26), a propeller assembly (60) and an air outlet opening (18); wherein the base (21) is fixed on the top of the gas inlet tube (23), the gas-ring compressor (17) is fixed on the base (21) via a bracket (19); the air outlet opening (18) is connected to the gas-inlet hole (22) via a pipe (20); the gas inlet tube (23) is fixed to the first motor flange (15) via a first flange (24); the second motor flange (16) is fixed to the dome (26) via the second flange (25); the bottom shaft extension (4) is coaxially connected to the propeller assembly (60); and the hollow shaft (2) rotates along with the propeller assembly (60). The submersible floating aerator features large aeration depth, high utilization of oxygen, and uniform gas distribution.