Firetube scraper
US10222147B2 · kind B2 · utility
0Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2016 |
| Grant date | Mar 5, 2019 |
| Priority date | — |
| Expiry date | Sep 16, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28G15/02
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A firetube scraper device comprising: at least one carriage assembly mounted on the firetube; a drive line and drive means for displacing the carriage assembly longitudinally along the firetube; wherein said carriage assembly surrounding the entire circumference of the firetube and comprising at least one row of scraper fins, each of said scraper fins having an inner surface adapted to frictionally engage an outer firetube surface defined by at least an upper portion of the surface of the firetube exposed to contaminants deposited onto a firetube surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.