Method for lubricating a sootblower
US7544646B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Sep 30, 2005 |
| Grant date | Jun 9, 2009 |
| Priority date | — |
| Expiry date | Jun 6, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28G15/00
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A method of lubricating a sootblower comprising use of an oil or grease that is thermally stable at temperatures of at least 160° C. Sootblower components which can be lubricated include lance support bearings, gears, chains, seals, and shaft bearings. The oil or grease can be an ester, silicone, or halogenated oil or grease including perfluoropolyether or perfluoroalkyl ether, a fluorosilicone, a polytrifluorochloroethylene, derivatized perfluoropolyethers, such as fluoroether triazines, and mixtures of two or more thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.