Apparatus for aerating liquid in a wastewater treatment tank
US6254066A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 27, 1999 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Apr 27, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/71
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for aerating liquid in a wastewater treatment tank having a submergible motor with a shaft extending outwardly therefrom, a supporting member affixed to the submergible motor and adapted to maintain the submergible motor in a position within the liquid in the wastewater treatment tank, a propeller affixed to the shaft of the submergible motor, a housing extending around the propeller and the shaft, and an air tube connected to the housing and adapted to pass air interior of the housing between the propeller and the motor. The housing has a tubular configuration with a diameter slightly greater than the diameter of the propeller. The housing will extending beyond an end of the propeller opposite the shaft. The air tube extends so as to have one end affixed to the housing and communicating with an interior of the housing at an opposite end opening to an area outside of the liquid in the wastewater treatment tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.