Cleaning and liquid contact with solids – Processes – Including use of vacuum – suction – or inert atmosphere
Reexamination Certificate
2006-02-24
2009-08-18
Barr, Michael (Department: 1792)
Cleaning and liquid contact with solids
Processes
Including use of vacuum, suction, or inert atmosphere
C134S022100, C134S022180, C134S032000, C134S144000, C134S16600C, C134S16900A, C134S170000, C165S095000
Reexamination Certificate
active
07575641
ABSTRACT:
A method and system utilizing a mobile cleaning unit for providing cleaning of heat exchanger tube bundles. The mobile cleaning unit utilizes a pressurized seal positioned about top door of the cleaning enclosure to provide a fluid and vapor lock of the cleaning enclosure. An oxygen purging system of the cleaning enclosure, the cleaning fluid reservoir, and the control panels provides additional safety. The mobile cleaning unit can use cleaning fluid produced at the facility site and return the cleaning fluid to the facility site for reprocessing after the heat exchanger tube bundles are cleaned.
REFERENCES:
patent: 3052245 (1962-09-01), Nagle
patent: 4322868 (1982-04-01), Wurster
patent: 4458704 (1984-07-01), Higdon
patent: 4509544 (1985-04-01), Mains, Jr.
patent: 5018544 (1991-05-01), Boisture et al.
patent: 5246023 (1993-09-01), Breunsbach et al.
patent: 5437296 (1995-08-01), Citino
patent: 5509972 (1996-04-01), Akazawa et al.
patent: 6142169 (2000-11-01), Lees et al.
patent: 6283133 (2001-09-01), Furuta et al.
International Preliminary Examination Report for PCT/IB05/51909.
Supplementary European Search Report, EP Application No. 05 74 6570, dated Mar. 11, 2008.
Barr Michael
Chaudhry Saeed T
Hahn Loeser & Parks LLP
National Heat Exchange Cleaning Corp.
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