Patent · US Active

Method for lubricating a sootblower

US7544646B2 · kind B2 · utility

0Cited by
48References
30Claims
0Family size

Inventors

Key dates

Filing dateSep 30, 2005
Grant dateJun 9, 2009
Priority date
Expiry dateJun 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.