Patents
Sitemap › F28 - Heat exchange in general › F28G - Cleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes of boilers › F28G 3 - Rotary appliances
Patents for F28G 3 - Rotary appliances (725)
09/1998
09/17/1998WO1998016329A3 Steam generator cleaning, inspection, and repair system
09/08/1998US5802667 Duct cleaning device
07/1998
07/21/1998US5782255 Method and device for cleaning a tube plate of a heat exchanger from inside the bundle of the heat exchanger
07/14/1998US5778831 To clean fireside deposits from convective surfaces of a fuel-fired boiler
07/01/1998CN1186548A Driving system for water jet blower
07/01/1998CN1186547A Process and associated water jet blower for cleaning predeterminable surfaces
07/01/1998CN1186546A Water jet blast with shortened water lance
07/01/1998CN1186545A System for driving water jet blower with housing for confining and rinising medium, and movement method therefor
06/1998
06/25/1998WO1998027383A1 Soot blower assembly
06/17/1998EP0847514A1 Full coverage sootblower
06/16/1998US5765510 Retractable, sealed sootblower for high pressure, high temperature applications
05/1998
05/19/1998US5752288 Soot blower assembly
05/05/1998US5745950 Hub and drive assembly for full coverage sootblower
04/1998
04/23/1998WO1998016329A2 Steam generator cleaning, inspection, and repair system
03/1998
03/18/1998EP0828987A1 Water jet blast with shortened water lance
03/18/1998EP0828986A1 Process and associated water jet blower for cleaning predeterminable surfaces
03/18/1998EP0828985A1 Driving system for a water jet blower
03/18/1998EP0828984A1 System for driving a water jet blower with a housing for a confining and rinsing medium
02/1998
02/04/1998EP0759144B1 Heat exchanger
10/1997
10/29/1997CN2266120Y Cinder drill for boiler tube type air preheater
10/16/1997WO1997038264A1 Sootblower nozzle
10/14/1997US5675863 Full coverage sootblower
08/1997
08/26/1997US5659915 Off gas film cooler cleaner
06/1997
06/25/1997EP0780627A1 Process and apparatus for cleaning the end plate of a heat exchanger from the inner side of the heat exchanger bundle
05/1997
05/21/1997CN1150473A Upper bundle steam generator cleaning system and method
05/06/1997US5626184 Sootblower
04/1997
04/29/1997CA2094468C Method and apparatus for constant progression of a cleaning jet across heated surfaces
04/23/1997CN1148429A Heat exchanger
04/15/1997US5619771 Oscillating and reverse cleaning sootblower
04/02/1997CN2251126Y Screw washing unit
03/1997
03/06/1997WO1997008496A1 Full coverage sootblower
03/06/1997CA2230513A1 Full coverage sootblower
02/1997
02/26/1997EP0759144A1 Heat exchanger
02/25/1997US5605117 Articulating sootblower
01/1997
01/29/1997EP0755495A1 An upper bundle steam generator cleaning system and method
12/1996
12/05/1996WO1996038704A1 Water jet blast with shortened water lance
12/05/1996WO1996038703A1 Driving system for a water jet blower
12/05/1996WO1996038702A1 System for driving a water jet blower with a housing for a confining and rinsing medium
12/05/1996WO1996038701A1 Process and associated water jet blower for cleaning predeterminable surfaces
12/03/1996US5579726 Apparatus for cleaning boilers
11/1996
11/27/1996EP0743884A1 Deployment system for an upper bundle steam generator cleaning/inspection device
10/1996
10/15/1996US5564371 Upper bundle steam generator cleaning system and method
10/01/1996US5560323 Boiler cleaning device
09/1996
09/10/1996US5553778 Device for removal of deposits from contaminated surfaces
07/1996
07/04/1996WO1996020385A1 Boiler cleaning device
06/1996
06/13/1996WO1996018069A1 One directional rotational indexer for soot blower
06/13/1996WO1996017695A1 Deployment system for an upper bundle steam generator cleaning/inspection device
05/1996
05/15/1996EP0616680B1 Water lance blower for cleaning heat exchangers
04/1996
04/23/1996US5509607 Convertible media sootblower lance tube
04/09/1996US5505163 Sootblower nozzle
04/02/1996US5503115 Steam generator with a water lance sprayer for cleaning a surface of a heat exhanger of the steam generator, and a water lance sprayer in a steam generator
03/1996
03/27/1996CN2223475Y Cleaning device for radiator
03/27/1996CN2223474Y Automatic rotary screw descaling spoiler tube type heat exchanger
01/1996
01/24/1996CN1115266A Method for guiding long units
11/1995
11/16/1995WO1995030870A1 Heat exchanger
11/16/1995WO1995030861A1 An upper bundle steam generator cleaning system and method
11/16/1995CA2189759A1 Heat exchanger
11/02/1995EP0679855A1 Method of guiding an elongated element
10/1995
10/30/1995CA2143472A1 Process for the guiding of an elongated element
10/04/1995CN2209317Y Liquid-pumping flushing wiper for heat pipe
09/1995
09/28/1995WO1995025929A1 Sootblower nozzle
08/1995
08/01/1995US5437295 Method and apparatus for constant progression of a cleaning jet across heated surfaces
04/1995
04/18/1995US5406666 Water driven turbine/brush pipe cleaner
04/04/1995US5402548 Duct cleaning apparatus
01/1995
01/10/1995US5379727 Low profile sootblower nozzle
12/1994
12/27/1994US5375771 Advanced sootblower nozzle design
11/1994
11/09/1994CN2182384Y Pneumatic rotary flue blower
09/1994
09/28/1994EP0616680A1 Water lance blower for cleaning heat exchangers.
08/1994
08/18/1994WO1994018517A1 Advanced sootblower nozzle design
08/18/1994CA2155764A1 Advanced sootblower nozzle design
08/16/1994US5337441 Extraction/insertion type soot blowing apparatus
08/16/1994US5337438 Method and apparatus for constant progression of a cleaning jet across heated surfaces
08/03/1994EP0608365A1 Process and device for removing impurities from the inner wall of a pipe
06/1994
06/21/1994US5321954 Streaming heat exchanger and apparatus for air distillation comprising such an exchanger
04/1994
04/26/1994US5305713 For cleaning spaced parallel rows of pendant tubes in boilers
04/06/1994EP0590930A2 Low profile sootblower nozzle
04/02/1994CA2106816A1 Low profile sootblower nozzle
03/1994
03/22/1994US5295762 Marine lock systems and methods
01/1994
01/18/1994US5279357 Coil cleansing assembly
12/1993
12/21/1993US5271356 Low profile sootblower nozzle
11/1993
11/24/1993CN1078801A Streaming heat exchanger and apparatus for air distillation comprising such an exchanger
11/10/1993EP0569161A2 Apparatus for cleaning of heated surfaces
10/1993
10/20/1993EP0566435A1 Trickle heat-exchanger and an air destillation comprising such a heat-exchanger
10/18/1993CA2094087A1 Heat exchanger with flowing action and air distillation facilities with such exchanger
09/1993
09/16/1993WO1993018362A1 Coil cleansing assembly
09/08/1993CN1076019A Pressed water sprayer for cleaning of heat exchanger
09/07/1993US5241723 In a sootblower for cleaning heat exchange surfaces
06/1993
06/24/1993WO1993012398A1 Water lance blower for cleaning heat exchangers
06/24/1993CA2126184A1 Water lance blower for cleaning heat exchangers
06/02/1993CN1021080C Method of and apparatus for cleaning liquid circling-running tube and use of same in heat exchanger
04/1993
04/29/1993WO1993007973A1 Process and device for removing impurities from the inner wall of a pipe
04/15/1993DE4133871A1 Verfahren und vorrichtung zum entfernen von verunreinigungen von der innenwand einer rohrleitung Method and apparatus for removing impurities from the inner wall of a pipe
04/06/1993CA1315499C Positioning device holding an end of a mobile element rotating in a tube and application thereof
02/1993
02/16/1993US5186240 Coil cleansing assembly
12/1992
12/22/1992US5172653 Adjustable angle rotary cleaning device
10/1992
10/06/1992CA1308497C System for decontaminating the primary pipings and the water box of a nuclear plant steam generator
04/1992
04/08/1992EP0479344A2 Working system for internal walls of the water-chamber in a vapour generator of a nuclear plant
03/1992
03/05/1992DE4033324C1 Flue het exchanger tube cleaner - consists of wire spiral surrounding tube, driven via gears
01/1992
01/14/1992US5080720 Method and apparatus for cleaning the annulus formed by concentric pipes
12/1991
12/12/1991WO1991019574A1 Method and apparatus for cleaning the annulus formed by concentric pipes
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