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Patent Searching and Data


Matches 551 - 600 out of 6,957

Document Document Title
WO/2004/002896A1
The invention relates to methods and compositions for of treating water systems, particularly recirculating water systems contaminated by a biofilm containing sessile micro-organisms. The method includes the steps of forming a boron cond...  
WO/2004/001318A1
In a heat exchanger (1) a slurry is directed through a pathway (2) which is separated from a pathway (5) by a membrane (20) of thin plastics film material. During this flow part of the cycle a non-return valve (12) prevents inlet of slur...  
WO2002068863A3
The invention relates to structural components for the boiler zone of power plants or refuse incineration plants, especially tubes or nests of tubes, fin and diaphragm walls, that consist of steel or steel alloys, and is characterized by...  
WO/2003/099594A1
The invention relates to a device for air-conditioning a vehicle. A circuit (2) of an inner heat exchanger fluid is provided. Said circuit successively comprises an expansion device (4) arranged between the high-pressure side and low-pre...  
WO/2003/100337A2
The invention concerns a device for protecting the aluminium walls of a heat exchanger against corrosion by an aggressive environment to which its walls are subjected. The device comprises at least a renewable sacrificial resist (14) con...  
WO/2003/095060A1
Tube bundle apparatus for thermal exchange operations at high pressures and temperatures, under conditions of high aggressiveness of the process fluids, wherein the tube bundle comprises a series of tubes (4) whose internal wall is essen...  
WO/2003/093738A2
A refrigerated cold beverage merchandiser (10) includes an enclosure defining an insulated, refrigerated display cabinet (25) and a compartment (30) heat insulated therefrom wherein a compressor (40) a condenser (50) and a condenser fan ...  
WO2003036165A3
Process to reduce the temperature of a hydrogen and carbon monoxide containing gas by contacting the gas with a metal alloy surface having a lower temperature than the temperature of the gas, wherein the metal alloy surface comprises bet...  
WO2003036166A3
A process for the preparation of hydrogen and carbon monoxide containing gas from a gaseous hydrocarbon feedstock by performing the following steps: (a) partial oxidation of part of the feedstock thereby obtaining a first gaseous mixture...  
WO/2003/085327A1
The invention relates to a heat exchanger (1) for transferring thermal energy from a warm gas flow to a cold gas flow, comprising : a first group of ducts (2) with a first connection and a second connection; a second group of ducts (3) w...  
WO/2003/085349A1
A surface treatment method for treating the surface of a plate material (1) formed by the rolling using rolling oil and used as the radiating fin (11) of a heat exchanger, comprising a preparation step for preparing the plate material (1...  
WO/2003/083164A1
A surface treatment system (200) comprises a conveying unit (100) for loading and conveying an object of surface treatment including one or more members which are already processed; and a surface treatment unit for forming a deposition l...  
WO/2003/082442A1
An enthalpy exchanger, comprising a heat-conducting wall along both sides of which two respective media can flow in mutual enthalpy-exchanging contact, which wall is provided with a hydrophilic cover layer with at least the following pro...  
WO/2003/076862A1
The invention relates to a method of treating the surface of a brazed evaporator. The inventive method consists in treating the surface of the evaporator, without any earlier surface conversion step, with a liquid containing one or more ...  
WO/2003/076790A1
A novel process of molecular engineering of materials for synthesis using electron excitations and a synthesizer capable of carrying out the process of electron excitations effectively is given in the specification. The synthesizer chang...  
WO/2003/071002A1
Oxidation protection of a titanium-based alloy is provided with improved fatigue properties by a titanium aluminide coating of between 2to 12 microns by diffusing the Al into the Ti at a temperature below the melting point of the Al. the...  
WO/2003/069253A1
A vertical multi-tubular heat exchanger (1) for exchanging heat by leading process fluid containing lase-of-polymerization into heat exchanger tubes, comprising a shell body (2) extending in vertical direction, an upper tube plate (8) an...  
WO2003021179B1
A seal-less magnetically drive scraped-surface heat exchanger (20) is provided that is particularly useful for aseptic processing. The heat exchanger comprises an elongated generally cylindrical heat transfer tube (22) having an inlet (1...  
WO2003014418A3
The inventive method for protecting from corrosion and scale deposit and restoring tubes of heat-exchanging equipment consists in applying a polymeric coating on the internal surface of tubes by gradually and rotationally moving an exces...  
WO/2003/060035A1
A composition and method for enhancing the thermal conductivity in heat transfer systems. The composition comprises a powder having average particle sizes in the nanometer to micron size range, a coating for corrosion resistance and/or a...  
WO/2003/058147A1
The scraped surface heat exchanger (1) comprises a housing (2), with sleeve chambers (200, 210), through which a heat exchange medium may flow and limited by heat exchange surfaces (200a, 210a), which define a product chamber for a fluid...  
WO/2003/052319A1
The invention relates to a heat exchanger to be used in particular in a waste incineration plant, wherein flue gasses are conducted along pipes through which steam is passed for the production of heated steam. The heat exchanger is compr...  
WO/2003/052318A1
The invention relates to a heat exchanger to be used in particular in a waste incineration plant, wherein flue gasses are conducted along pipes through which steam is passed for the production of heated steam. The heat exchanger is compr...  
WO/2003/040046A1
A chemical formulation for treating coolant deficiencies, such as corrosion, scale, and low thermal transfer, and treating the root of most of the problems, which is water composition, and providing for preventative measures that further...  
WO/2003/036216A1
A heat exchanger having an excellent corrosive resistance against water and steam and suitably used particularly for fuel cells, comprising a heat exchanger component member having a fluoride layer (10) formed on the surface layer part t...  
WO/2003/036166A2
A process for the preparation of hydrogen and carbon monoxide containing gas from a gaseous hydrocarbon feedstock by performing the following steps: (a) partial oxidation of part of the feedstock thereby obtaining a first gaseous mixture...  
WO/2003/036165A2
Process to reduce the temperature of a hydrogen and carbon monoxide containing gas by contacting the gas with a metal alloy surface having a lower temperature than the temperature of the gas, wherein the metal alloy surface comprises bet...  
WO/2003/031346A1
Microbiological control is achieved by continuously and inexpensively dosing water in contact with biofilm, or that comes into contact with biofilm, using a highly effective biocide that provides very effective microbiocidal control of p...  
WO/2003/031347A1
The effectiveness of a bromine-based biocide in combating formation of biofilm infestation and/or growth of biofilm on a surface is potentiated by use therewith of a biodispersant. The biocide is a bromine based-biocide comprising (i) a ...  
WO2002083289A9
A controlled-release additive composition for use in aqueous systems. The composition comprises a core containing at least one additive component and a polymeric coating encapsulating said core. The controlled-release cooling additive co...  
WO/2003/021193A2
The present invention is directed to a device and method for removing build-up on such measurement gauges. The inventive device and method involve a movable scraper (50) that fits around a cylindrical shield (40) of a measurement gauge a...  
WO/2003/020637A1
A gas generation system comprises a reformer (1) to generate a hydrogen-containing reformate stream (4), a reformate stream cooler (2), and a shift stage (3) down-stream of the reformate stream cooler to purify the reformate stream. The ...  
WO2002092194A3
A composition for reducing atmospheric oxidising pollutants comprising a reducing agent comprising: at least one transition element and/or one or more compounds including at least one transition element wherein the standard electrode pot...  
WO/2003/021179A1
A seal-less magnetically drive scraped-surface heat exchanger (20) is provided that is particularly useful for aseptic processing. The heat exchanger comprises an elongated generally cylindrical heat transfer tube (22) having an inlet (1...  
WO/2003/019709A1
The invention is a freeze tolerant fuel cell power plant (200) that includes at least one fuel cell (12') and a water transport plate (50') secured within the fuel cell (12') having a coolant inlet (202) and a coolant outlet (204) that d...  
WO/2003/018706A1
A non-aqueous, reduced toxicity polyhydric alcohol based heat transfer fluid is provided comprised of at least one polyhydric alcohol that acts as an ADH enzyme inhibito, such as for example propylene glycol, thereby reducing the toxicit...  
WO/2003/016807A1
The invention relates to a device for introducing hot gas into a heating surface pipe of a waste heat boiler, comprising an outer pipe that is connected to the boiler wall, particularly to the bottom of the pipe. Said device also compris...  
WO/2003/014418A2
The inventive method for protecting from corrosion and scale deposit and restoring tubes of heat-exchanging equipment consists in applying a polymeric coating on the internal surface of tubes by gradually and rotationally moving an exces...  
WO/2003/014627A1
This invention provides a thermal energy system comprising a heat exchanger for transferring thermal energy between a source and a load, the heat exchanger having a primary side associated with the source, and a secondary side for conduc...  
WO/2003/013847A1
The invention relates to a flat product for use as the wall of a heat exchanger operated with corrosive liquids as the coolant that contain biological organisms. The aim of the invention is to protect the wall of the heat exchanger on th...  
WO/2003/012155A1
A material being resistant to a chloride‚ąícontaining molten salt corrosion which comprises Al and B in amounts of 40 to 99 wt % and 1 to 45 wt %, respectively, and contains a compound having Al and B&semi and a steel pipe coated with th...  
WO/2003/010481A1
An exhaust gas heat exchanger, comprising first wings (111c) projected in a first direction orthogonal to the circulating direction of EGR gas and second wings (111c) projected in a direction orthogonal to the circulating direction of th...  
WO/2003/004422A1
A method and apparatus for the continuous or regular cleaning and purification of water in HVAC systems, such as Evaporative Coolers, Cooling Towers and Hot/Warm Water Systems. Oxidants and oxidant radicals are produced electrically in a...  
WO/2002/103072A1
A metal material having good resistance to metal dusting, which has a chemical composition in mass %&semi C: 0.2 % or less, Si: 0.01 to 4 %, Mn: 0.05 to 2 %, P: 0.04 % or less, S: 0.015 % or less, Cr: 10 to 35 %, Ni: 30 to 78 %, Al: not ...  
WO/2002/101106A1
This invention relates to a method for the protection against corrosion of steel parts made of austenitic or semi-austenitic steel during the production of sulfuric acid. To improve the corrosion resistance of the steel parts which are i...  
WO2002083289A3
A controlled-release additive composition for use in aqueous systems. The composition comprises a core containing at least one additive component and a polymeric coating encapsulating said core. The controlled-release cooling additive co...  
WO/2002/101314A1
To protect a plate-type heat exchanger (1) against corrosion due to the attack of sulfuric acid, it is proposed in accordance with the invention that the region through which flows sulfuric acid has at least one metal cathode (16, 17) an...  
WO/2002/099352A1
Oxidation protection of a titanium heat exchanger is provided by a titanium aluminide or solgel coating. The coating protects bare titanium and brazed surfaces of the heat exchanger.  
WO/2002/097343A1
The present invention relates to a cooling system and comprises a compressor for compressing to the high temperature high pressure state that vapor refrigerant is apt to liquidize; a condenser for receiving vapor refrigerant that gets ou...  
WO/2002/092194A2
A composition for reducing atmospheric oxidising pollutants comprising a reducing agent comprising: at least one transition element and/or one or more compounds including at least one transition element wherein the standard electrode pot...  

Matches 551 - 600 out of 6,957