Lance for cleaning the shell side of a heat exchanger core
US8905121B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 14, 2011 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Sep 22, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF28G3/166
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A handheld lance for high pressure jetting of tubes of a heat exchanger core comprises a fluid conduit defining an internal plenum chamber having at least one nozzle for emitting a jet of fluid for cleaning the outer surfaces of the tubes of the core and a coupling for connecting the plenum chamber to a high pressure fluid supply line. The or each conduit has an outer diameter sufficiently small to fit between all the tubes of the core and at least one elongate stabilizer bar is mounted on the coupling and positioned to one side of the or each conduit with the axis of the bar lying in the same plane as the adjacent conduit. The bar is sufficiently thin to fit between the tubes of the heat exchanger core and is sufficiently rigid to prevent lateral displacement of the adjacent conduit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.