Sewage pump with improved inlet construction
US5213469A · kind A · utility
5Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1992 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Jan 10, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/426
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pump which includes a housing and a shaft disposed within the housing having an axis. The apparatus also includes apparatus for mounting the shaft within the housing for rotational movement thereof and an impeller having a geometric center carried on the shaft. A fluid inlet in the housing is disposed with a first opening disposed in eccentric relationship to the geometric center of the impeller. In some forms of the invention the opening is generally shaped like a dog bone with the two largest parts thereof spaced apart from the geometric center of the impeller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.