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 1 - Non-rotary, e.g. reciprocated, appliances
Patents for F28G 1 - Non-rotary, e.g. reciprocated, appliances (1,988)
07/2000
07/11/2000US6085376 Pipe cleaning apparatus
07/04/2000CA2158829C Segmented automated sludge lance
07/04/2000CA2143915C An improved composite waterlance and cavity connection
06/2000
06/28/2000EP1011880A1 Cleaning of conduits, especially of a photobioreactor
06/14/2000EP1008412A1 Working robot for heat exchanger and method of operating it
06/06/2000US6070652 Lock for balls for cleaning cooling systems
06/06/2000US6070417 Method for making slurry
05/2000
05/31/2000CN1053041C Pressed water sprayer for cleaning of heat exchanger
05/23/2000US6065528 Air preheater cleaner
05/11/2000WO2000004333A9 Improvements to heat exchangers
04/2000
04/25/2000CA2115109C Automated sludge lance
04/18/2000US6051195 Synthesis gas heat exchanger unit
04/11/2000CA2074204C Sliding lance guide flexible lance system
03/2000
03/30/2000WO2000017576A1 Exfoliated magnetite removal system and controllable force cooling for boilers
03/30/2000CA2345096A1 Exfoliated magnetite removal system and controllable force cooling for boilers
03/28/2000US6041612 Refrigeration coil brush and method
03/22/2000CN1247932A Collector for cleaned steam condenser rubber balls
03/15/2000EP0800565B1 Steam cracking method and plant using controlled injection of solid particles into a quenching exchanger
02/2000
02/17/2000WO2000008404A1 Method and installation for managing solid elements circulating in a heat exchanger for cleaning the latter
02/15/2000US6024164 Heat exchanger assembly
02/09/2000EP0978703A1 Calibration of holes in intermediate plates of tubular heat exchangers
02/09/2000EP0906551B1 Lock for balls for cleaning cooling systems
02/09/2000EP0906550B1 Device for eliminating balls from a coolant line
02/09/2000CN1049282C Apparatus for transfeering cleaning bodies for a heat exchanger through which can flow a cooling fluid
01/2000
01/27/2000WO2000004333A1 Improvements to heat exchangers
01/20/2000DE19812091A1 Equipment for cleaning space heating radiators, recirculates washing fluid via a suction pump and a spray pump
01/18/2000US6014789 Multiple tube cleaning pig featuring replaceable disks anchoring cleaning studs
12/1999
12/29/1999EP0967452A2 Cleaning apparatus for heat exchanger conduits
12/08/1999EP0800641B1 Method for cooling and cleaning the plates of a plate heat exchanger and a plate heat exchanger with a wetting device
11/1999
11/17/1999EP0815388B1 Flexible lance for working on or inspecting a tube base of a steam generator
11/17/1999CN2349530Y Round type scale-removing cleaner used in pipe
11/16/1999US5983994 Method and apparatus for on-line cleaning of and improvement of heat transfer in a heat exchanger tube
11/09/1999CA2024817C Articulated sludge lance
11/02/1999US5975311 Filter to be inserted into a pipe and heat exchanger equipped with a filter of this kind
10/1999
10/28/1999WO1999054079A1 Working robot for heat exchanger and method of operating it
10/19/1999US5966768 Adjustable tube-cleaner device
10/12/1999US5965013 Steam cracking method and plant using controlled injection of solid particles into a quenching exchanger
09/1999
09/30/1999WO1999048625A1 Adjustable tube-cleaner device
09/15/1999EP0941776A1 Air feed passage cleaning apparatus
09/10/1999WO1999045333A1 Device for cleaning a plate heat exchanger channel
09/08/1999CN2337515Y Ball-taking device for cleaning rubber ball of steam condenser
08/1999
08/24/1999US5941082 Method of cleaning the cooling loop an air conditioning system and cleaning system therefore
08/04/1999EP0932805A1 Water lance blaster for cleaning heat exchangers
07/1999
07/27/1999US5926892 Heat exchanger washing apparatus and heat exchanger washing method
07/14/1999CN1222967A Lock for balls for cleaning cooling system
07/13/1999US5920951 Parameter sensing sootblower
07/08/1999DE19800018A1 Cleaning device for cooling surfaces
07/06/1999US5919406 Plate heat exchanger with wetting device
06/1999
06/01/1999CA2118953C Open beam sootblower
05/1999
05/20/1999WO1999024179A1 Automatic pneumatic projectile launcher
05/14/1999WO1999023438A1 Pig and method for cleaning tubes
04/1999
04/14/1999EP0907695A1 Steam cracking installation and method with single controlled injection of solid particles in a quenching exchanger
04/14/1999EP0907694A1 Method and device for steam cracking comprising the injection of particles upstream of a secondary quenching exchanger
04/07/1999EP0906551A1 Lock for balls for cleaning cooling systems
04/07/1999EP0906550A1 Screening device for eliminating balls from a coolant line
04/06/1999US5890531 Apparatus for the self-cleaning of process tubes
03/1999
03/29/1999CA2650817A1 Method of cleaning heater tubes with a pig
03/18/1999DE19734078A1 Radiator cleaning process
03/17/1999EP0901843A2 Easy insert tube cleaner
03/17/1999CN2310976Y Foul removing device for plate type heat exchanger
03/16/1999US5882430 Soot blowers for cleaning walls with guides
03/11/1999DE19739622A1 Cleaning device for cooling surfaces
03/02/1999US5875833 Regenerative heat exchanger
02/1999
02/25/1999DE19740883C1 Heat exchanger containing pipes with reciprocating cleaning springs inside
02/25/1999DE19723971C1 Heat exchanger containing pipes with reciprocating cleaning springs inside
02/23/1999US5873142 Lance head
02/17/1999EP0897096A1 Filter for insertion into a conduit and heat exchanger equipped with the same
02/16/1999US5870977 Boiler in which water is heated by passing through a furnace
01/1999
01/14/1999DE19729725A1 Heat-exchanger between flowing media
01/06/1999CN2303261Y Tower like device for cleaning and removing scale from tube
12/1998
12/03/1998DE19723716A1 Method of preventing ash from penetrating air system of regenerative air pre-heater
12/02/1998EP0881452A2 Heat exchanger
12/02/1998CN2299295Y Descaling water spraying tube of hot water boiler
11/1998
11/25/1998EP0879390A1 Soot removing fan
11/04/1998CN1197770A Rubber ball cleaning system for steam condenser
10/1998
10/20/1998US5823209 Apparatus for the guiding of an elongated element
10/07/1998CN2293791Y Easy-to-clean ash collinear pipe type boiler
10/01/1998DE19740839A1 Cleaning method for rotationally symmetrical radiation, heating and cooling surfaces
09/1998
09/29/1998US5813089 Duct cleaning apparatus
09/17/1998WO1998016329A3 Steam generator cleaning, inspection, and repair system
09/01/1998US5799622 Furnace heat exchanger tube cleaning system
08/1998
08/04/1998CA2000882C Three-way valve and liquid distribution pipe comprising same, both adapted to be cleaned by scraping
07/1998
07/28/1998US5784745 Easy insert tube cleaner
07/14/1998US5778831 To clean fireside deposits from convective surfaces of a fuel-fired boiler
07/08/1998CN1186945A Heat exchanging device for synthetic gas
07/01/1998CN1186002A Apparatus and method for cleaning cooling pipelines
06/1998
06/23/1998US5769035 Boiler furnace puff sootblower
06/11/1998WO1998025080A1 Modular soot blower housing assembly
06/10/1998CN2283826Y Machinery scale removing evaporimeter
06/03/1998EP0845522A2 Syngas-heat exchanger apparatus
05/1998
05/28/1998WO1998022773A1 Soot removing fan
05/26/1998CA2100734C Heat exchanger for dusty environment
04/1998
04/23/1998WO1998016329A2 Steam generator cleaning, inspection, and repair system
04/16/1998WO1998015362A1 Cleaning of conduits, especially of a photobioreactor
04/07/1998US5735964 Method for cleaning tube bundles
03/1998
03/12/1998WO1998010234A1 Water lance blaster for cleaning heat exchangers
03/11/1998EP0828132A2 Heat exchanger washing apparatus and heat exchanger washing method
03/05/1998DE19637700A1 Wasserlanzenbläser zur Reinigung von Wärmeübertragern Water Cannons for cleaning of heat exchangers
02/1998
02/26/1998DE19647868C1 Soot blower with lance-type blowing tube
02/25/1998EP0728286A4 Cleaning system for cleaning the inside of fluid conducting tubing and associated apparatus
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