High pressure revolving sewer cleaning nozzle
US4677997A · kind A · utility
Inventor
Key dates
| Filing date | Dec 2, 1985 |
| Grant date | Jul 7, 1987 |
| Priority date | — |
| Expiry date | Dec 2, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S239/13
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A sewer pipe cleaning apparatus including a sled-like skid means carrying a pipe shaft, which has one end constructed for connection to a source of high pressure fluid and the other end connected to a sewer cleaning nozzle which has a non-rotating base member, a rotatable turbine member rotatably mounted on the base member with a plurality of jet orifices, a bearing means mounted on the base member in abutting engagement with the turbine member, a non-rotating nose cone mounted on the base member for retaining the bearing means and rotatable turbine member in place on the base member, and a plurality of fluid passages are formed through the base member and turbine member for the transmission of high pressure fluid from the pipe shaft and through said passages and out said jet orifices, and also through the bearing means for cleaning the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.