Patents for F28G 9 - Cleaning by flushing or washing, e.g. with chemical solvents (1,594)
07/2006
07/12/2006EP1677999A1 Air conditioner cleaning apparatus and method
07/11/2006US7073519 An aqueous cleaning formulation contains 5 to 50 wt % of at least one alkali metal hydroxide selected from sodium hydroxide and potassium hydroxide, 0.01 to 1 wt % of a water-soluble amino acid, 0.001 to 0.05 wt % of N,N'-methylene bisacrylamide, and 0.001 to 0.05 wt % of azobisisobutyronitrile
06/2006
06/28/2006CN2791586Y Automatic rotary filtering net
06/14/2006CN2788117Y Cleaning device for vehicle-carrying heating system
06/14/2006CN1788075A Facility parts cleaning solution for processing of (meth)acrylic acid and/or (meth)acrylic esters and cleaning method using said cleaning solution
06/07/2006EP1663532A1 Apparatuses, systems and processes for surface cleaning
06/06/2006CA2171797C Composition effective in removing asphaltenes
05/2006
05/26/2006WO2006053626A1 Cleaning method for removing deposits containing magnetite out of a pressure vessel of a power plant
05/26/2006CA2586556A1 Cleaning process for removing magnetite-containing deposits from a pressure vessel of a power station
05/24/2006EP1570026B1 Cooling device for coke-oven gas
05/16/2006US7043938 Method of thawing a cryogenic unit
04/2006
04/27/2006DE102004054471B3 Reinigungsverfahren zur Entfernung von Magnetit enthaltenden Ablagerungen aus einem Druckbehälter eines Kraftwerks Purification method for removing magnetite containing deposits from a pressure vessel of a power plant
04/11/2006US7024878 Cleaning system for refrigerator condenser
04/06/2006DE202005017575U1 Heater`s inner surfaces e.g. plates, cleaning apparatus, has tube sections arranged in handle, changeable nozzle head provided with fixed or rotatable or bend nozzle part and arranged in sections ends, and outlet nozzles arranged in part
04/05/2006EP1404489A4 Improved scale conditioning agents
04/05/2006CN2769831Y Geothermal dirt-removing cleaning machine
03/2006
03/28/2006CA2369481C Descaling device for steam generator
03/09/2006WO2005108644A3 Methods and composition for cleaning and passivating fuel cell systems
03/09/2006DE102004016583B3 Mehrkammersystem als Flüssigkeitsausgleichsgefäß und deren Verwendung Multi-chamber system as a liquid condensation chamber and their use
03/01/2006CN1740730A Cleaning device for embedded roof air conditioner heat exchanger
02/2006
02/16/2006DE102004034523A1 Device for cleaning of heating surfaces e.g. furnaces has cleaning tube or hosepipe flowing with cleaning medium whereby cleaning tube has at its end two opposite from each other rotary nozzles
02/15/2006CN1242214C Passive back-flushing thermal energy system and method for passive back-flushing of heat exchanger
02/15/2006CN1241673C Method for recovering waste liquid produced in process of chemical cleaning for industrial boiler
01/2006
01/25/2006CN1724965A Descaling method of phospheric acid concentration heat exchanger
01/11/2006CN1720315A Cooling device for coke-oven gas
12/2005
12/29/2005DE102004029122A1 Process and assembly to dry the inner walls within an apparatus void by combination of nitrogen with dry carbon dioxide ice pellets
12/28/2005EP1499457A4 Methods of simultaneously cleaning and disinfecting industrial water systems
12/27/2005US6978793 Portable cleaning apparatus and method for single pass plate and frame heat exchangers
12/22/2005DE10394086T5 Anordnung und Verfahren zum Rückführen von Abgasen eines Verbrennungsmotors Arrangement and method for recirculation of exhaust gases of a combustion engine
12/15/2005US20050277571 Facility parts cleaning solution for processing of (meth)acrylic acid and/or (meth)acrylic esters and cleaning method using said cleaning solution
12/14/2005EP1598629B1 Method of chemical cleaning of a gas and vapor installation
11/2005
11/30/2005CN1702422A Method and equipment for dedusting, sterilizing and cleaning air conditioner
11/24/2005WO2005111187A1 Facility parts cleaning solution for processing of (meth)acrylic acid and/or (meth)acrylic esters and cleaning method using said cleaning solution
11/23/2005EP1598629A1 Method of chemical cleaning of a gas and vapor installation
11/17/2005WO2005108644A2 Methods and composition for cleaning and passivating fuel cell systems
11/10/2005US20050247269 Scale conditioning agents and treatment method
11/03/2005US20050245411 For fuel cell cooling system; complexing agent, surfactant, a silicate, organosilane compound, and/or a tetraalkylorthosilicate ester as corrosion inhibitor; tolyltriazole, a pyrophosphate, and a solvent; no added non-biodegradable aminocarboxylates; maintain coolant conductivity at desirable levels
10/2005
10/20/2005WO2005097689A1 Improved scale conditioning agents and treatment method
10/20/2005CA2562979A1 Improved scale conditioning agents and treatment method
10/13/2005US20050227878 One-bath particle-free chemical cleaning
10/06/2005WO2005093360A1 Method for cleaning the pipes of a heat exchanger by means of an abrasive, and corresponding device
09/2005
09/29/2005US20050211274 introducing a mixture of terpenes, nonionic surfactant and solvents into steam to form cleaning vapors, then charging the vapors into passageways of the vessel and reversing the flow of the steam; restoring the operating efficiency of heat exchangers without rinsing and disassembling the equipment
09/20/2005US6945261 Apparatuses, systems and processes for surface cleaning
09/14/2005CN1669093A Method for cleaning a steam generating device of a compressed water reactor
09/14/2005CN1667344A On-load washing method for thermodynamic system
09/08/2005US20050194024 Apparatuses, systems and processes for surface cleaning
09/07/2005EP1570026A1 Cooling device for coke-oven gas
08/2005
08/31/2005CN2722181Y Autoamtic internal wall cleaner of heat exchanging pipe for tubular heat exchanger
08/30/2005US6936112 Heat exchanger cleaning process
08/24/2005EP1565277A1 Cleaning method
08/24/2005CN1657861A Cleaning method for geothermal pipe line and its cleaning equipment
08/24/2005CN1657860A On-line three-phase fluidization cleaning technology for dirt on outer of pipe of vertical tubulation heat-transfer equipment
08/18/2005WO2005075895A1 Air conditioner and dispenser
08/17/2005CN1654916A Decontamination and purgation process for geothermal heating system
07/2005
07/14/2005US20050150520 Methods of simultaneously cleaning and disinfecting industrial water systems
07/06/2005CN1209574C Apparatus for treating exhausted heating gas
06/2005
06/30/2005US20050139238 Cleaning method
06/29/2005CN1632444A Back flushing blowdown method and system for heating pipe
06/22/2005CN1207527C Dual turbulent spiral forced heat exchanging and automatic descaling device
06/16/2005US20050126587 Method of cleaning a steam generator of a pressurized water reactor
06/15/2005CN1206508C Boiler coke eliminating agent
06/09/2005US20050121174 Collection system for the mechanical cleaning of heat exchanger tubes
06/02/2005WO2005050121A1 Method for removing solid material from the pipes of a heat exchanger consisting of a bundle of pipes
05/2005
05/26/2005US20050109377 Removal of solids from tubes of a tube bundle heat exchanger
05/25/2005EP1532638A1 Method for cleaning a steam generating device of a compressed water reactor
05/25/2005CN1619250A Laminated heat exchanger plate fin cleaning spray coating technology and its used equipment
05/19/2005WO2005045315A1 Method of cleaning the heat exchange surfaces of an operating furnace
05/19/2005WO2005010454A3 Cleaning agent, device and process for removing scale
05/12/2005WO2005043065A1 Method of flushing a coil pipe(s) of a heat exchanger
05/12/2005US20050098301 Passive back-flushing thermal energy system
05/04/2005EP1528318A1 Method of cleaning heat exchange surfaces in operating furnaces
05/04/2005CN1200232C Air conditioner device and method for suppression of mildew in air conditioning device
05/03/2005US6887597 Methods and composition for cleaning and passivating fuel cell systems
04/2005
04/28/2005WO2005037585A1 Air conditioner cleaning apparatus and method
04/20/2005CN1607372A Collection system for the mechanical cleaning of heat exchanger tubes
03/2005
03/24/2005WO2005025766A1 Apparatuses, systems and processes for surface cleaning
03/24/2005CA2534628A1 Apparatuses, systems and processes for surface cleaning
03/10/2005US20050051197 Apparatuses, systems and processes for surface cleaning
02/2005
02/23/2005EP1508764A2 Device and process for cleaning finned heat exchangers for room air treating equipments
02/16/2005CN1580686A Apparatus and method for cleaning vertical furnace tube
02/09/2005CN1576741A Air conditioner and method for suppressing mildewed in air conditioner
02/08/2005US6852683 Mixed with a petroleum solvent when the inside of a petroleum refining apparatus is washed with the petroleum solvent in a nonaqueous system, wherein the detergent composition contains a surfactant having a solubility of at least 10 with respect
02/03/2005WO2005010454A2 Cleaning agent, device and process for removing scale
01/2005
01/26/2005EP1499457A1 Methods of simultaneously cleaning and disinfecting industrial water systems
01/26/2005CN2674392Y Outer pipe dirt three-phase fluidizing on-line cleaning type vertical tubulation heat transfer equipment
01/20/2005DE10353617A1 Removing solids from tubes of tubular heat exchanger comprises introducing drill driven by drilling machine into tube of heat exchanger, and cleaning out solids contained in tube
01/19/2005CN2672605Y Automatic dust cleaner for air conditioner
01/11/2005US6840251 Forming chlorine dioxide in situ using alakli halites or halates; killing microorganisms
12/2004
12/23/2004CA2528984A1 Automatic combustion air port cleaner with air/oil indexing mechanism
12/07/2004US6827091 Passive back-flushing thermal energy system
11/2004
11/24/2004CN1548503A Low temperature ash-eliminating agent
11/18/2004US20040226580 Method of flushing a coil pipe(s) of a heat exchanger
11/10/2004EP1016837B1 Piping washing method and piping washing apparatus for refrigerating apparatuses
11/10/2004CN1545604A Passive back-flushing thermal energy system
11/03/2004CN2653417Y Three phase fluidized on-line cleaning type horizontal tube heat exchanger for dirt of outside pipe
10/2004
10/19/2004CA2103484C Heat exchangers
10/12/2004CA2280348C Method for the cleaning of heat exchange tubes and collecting device for the collection of deposits from heat exchange tubes
09/2004
09/29/2004CN2644942Y Split type air-conditioner outdoor unit self-cleaning energy-saving control device
09/28/2004US6797070 Method for cleaning a cooler apparatus
09/08/2004CN1526996A 室外热交换器 Outdoor heat exchanger
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