Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Niels Alexander Rozendaal0
Date of Patent
August 3, 2010
0Patent Application Number
105615340
Date Filed
June 18, 2004
0Patent Primary Examiner
Patent abstract
A device for use when cleaning the heating surface of a tube changer, such as the fire tubes in a boiler, having a scraper member that is fixed to a movement member for moving the scraper member through one fire tube at a time and a guide for positioning the scraper member directly in front of the open end of a fire tube, such that said scraper member can be moved from the guide into the fire tube and conversely from the fire tube into the guide. The guide can be moved on a frame transversely with respect to the longitudinal direction of the fire tubes for automatic cleaning of the fire tubes both when in service and out of service.
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