Counter revolution sewer cleaning nozzle
US6098642A · kind A · utility
Inventor
Key dates
| Filing date | Dec 28, 1998 |
| Grant date | Aug 8, 2000 |
| Priority date | — |
| Expiry date | Dec 28, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S239/13
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A counter-rotating sewer cleaning nozzle to provide improved efficient cleaning of interior surfaces of sewer lines. The counter-rotating sewer cleaning nozzle is comprised of a hose connector on one end and nose cone on the opposite end and retaining between them counter-rotating sleeves fitting over a cylindrical conduit. Each of the sleeves has spray jets in communication with a passageway connecting the cylindrical conduit to the hose connector for receiving water at high pressure from a high-pressure hose or pipe. The jets in the counter-rotating sleeves are at an oblique angle to the radius of the sleeves and the cylindrical conduit. The spray jets are angled in opposite directions in the forward and rear rotatable sleeves to provide counter rotation. When water is forced at high pressure through the sewer cleaning nozzle, the nozzle jets rotate the respective counter-rotating sleeves in opposite directions to provide efficient cleaning of crevices and irregular surfaces on interior surfaces of sewer lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.