Patent · US Active

Method for cleaning the pipes of a heat exchanger by use of an abrasive and device suitable for this method

US7789966B2 · kind B2 · utility

6Cited by

12References

10Claims

0Family size

Assignee

AREVA NP · FR

Inventors

Georg Krämer · Ebermannstadt, DE
Konrad Meier-Hynek · Herzogenaurach, DE

Key dates

Filing date	Mar 31, 2006
Grant date	Sep 7, 2010
Priority date	—
Expiry date	Dec 30, 2026

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF28G1/163
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A method and device for cleaning pipes of a heat exchanger includes placing a throttle-free jet nozzle against an end of a pipe. The throttle-free jet nozzle has an outlet opening of a same size or slightly smaller than an inner cross-sectional area of the pipe. A stream of air containing an abrasive is blown through the pipe for cleaning the pipe.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.