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Patent Searching and Data


Matches 651 - 700 out of 6,957

Document Document Title
WO/2000/076922A2
Methods for inhibiting scale deposits in an aqueous system. The method may include at least one of adding and forming anti-scalant in the aqueous system such that an amount of anti-scalant in the aqueous system is up to about 1000 ppm, w...  
WO/2000/075397A1
An aluminum alloy heat exchanger having a film which is free from the emission of an offensive odor, etc., can impart excellent corrosion resistance and hydrophilicity, and contains no harmful chromium. The heat exchanger comprises: a ba...  
WO/2000/071945A1
The invention concerns a method for removing ice crystals which are formed on the surface of the heat-exchanging walls (2) of a generator (1), in contact with a diphasic liquid-solid refrigerant fluid. In order to remove the ice crystals...  
WO2000040773A3
The invention relates to a method for producing a heat exchanger. Said method is characterised in that a metal polymer dispersion layer having a halogenated polymer is chemically deposited on a heat exchange surface in a currentless mann...  
WO2000040775A3
The invention relates to a method for coating a reactor. Said method is characterised in that a metal layer or a metal polymer dispersion layer is deposited on the inner surface of the reactor in a currentless manner by contacting the su...  
WO/2000/061278A1
The present invention is a process and an apparatus for the gas phase polymerization of olefin(s) using a fluidised-bed reactor (1) from which, at the top part, is withdrawn a recycling gas stream which comprises unreacted gas and entrai...  
WO/2000/050664A1
An article having a first member formed from a first metal and a second member connected with the first member at a contact area. The second member is formed from a second metal having high reduction reaction kinetics and galvanic corros...  
WO/2000/048711A1
A gas treatment device which treats sulfur oxides contained in exhaust gas by the combination of these oxides with alkali substances such as ammonia capable of cooling the exhaust gas to a temperature suitable for the combination through...  
WO/2000/047664A1
The invention relates to a heat transfer element made of a polymer matrix having a fibrous material interspersed therein, said heat transfer element comprising a fluoropolymer at least on an outer surface thereof, the interspersion of th...  
WO/2000/046128A1
The invention concerns a water tank comprising a container part (1) and a lid part (2). The lid part (2) is arranged to float on the water surface of the water enclosed in the container part (1) and is provided with a vertical peripheral...  
WO/2000/045965A1
A method of lessening the tendency of carbon to deposit on a hot metal surface (42), particularly a component in a furnace for thermally cracking hydrocarbons, that comprises coating a chromium-containing metal surface (42) with a layer ...  
WO/2000/042294A1
A system for changing the temperature of a working fluid, including ammonia, includes a working fluid source and a steel tube (150', 160'). The working fluid source is configured to direct a flow of the working fluid. The working fluid f...  
WO/2000/040774A2
The invention relates to a method for surface coating of apparatuses or parts of apparatuses used in chemical manufacturing. Walls of apparatuses, walls of containers and walls of reactors, dischargers, fixtures, pumps, filters, compress...  
WO/2000/040773A2
The invention relates to a method for producing a heat exchanger. Said method is characterised in that a metal polymer dispersion layer having a halogenated polymer is chemically deposited on a heat exchange surface in a currentless mann...  
WO/2000/040775A2
The invention relates to a method for coating a reactor. Said method is characterised in that a metal layer or a metal polymer dispersion layer is deposited on the inner surface of the reactor in a currentless manner by contacting the su...  
WO/2000/037874A1
The invention concerns a tube (2) wherein the rigid helical element (5) projects outside the tube (2), at the intake thereof, to keep away from said intake materials (4) likely to clog the tube (2) intake, carried by the fluid designed t...  
WO/2000/032610A1
The invention relates to phosphonate-containing mixtures which are obtained by reacting aliphatic $g(v) lactones with phosphor (III) compounds. The invention further relates to the use of said mixtures as water treatment chemicals and se...  
WO/2000/026597A1
The invention concerns a covering and a method for lining a furnace wall, as well as the corresponding anchoring element (1) and brick (2). The covering comprises prefabricated refractory anchors (1) fixed in the wall, at least two monol...  
WO2000004333A9
A heat exchanger assembly comprises a tubular casing (1) housing product conduit pipes (8) and a rod (14) extending through each pipe (8). The rod (14) being reciprocatingly moveable along the pipe (8) and having a scraping means (15) pr...  
WO/2000/022189A1
Corrosion protection of magnesium and aluminium alloys in engine coolants and heat-exchange fluids is achieved by the use of a select group of aliphatic and aromatic carboxylate acids or the alkaline metal, ammonium or amine salts thereo...  
WO1999060323A8
An aluminum alloy composition consists essentially of controlled amounts of iron, silicon, copper, manganese, magnesium, titanium, zinc, zirconium and free machining elements with the balance being aluminum and incidental impurities. The...  
WO/2000/011239A1
A method for controlling corrosion of metals, particularly ferrous-based metals in contact with aqueous systems is disclosed, which includes treating industrial waters with a tetrazolium salt of general formula (I) wherein R¿1?, R¿2?, ...  
WO/2000/006963A1
Method for prevention of sludge piling in heat transfer devices more specifically such as steam generators and heat exchangers in which the heat transfer takes place between an internal medium flowing through a complex of tubes (2.4) att...  
WO/2000/004333A1
A heat exchanger assembly comprises a tubular casing (1) housing product conduit pipes (8) and a rod (14) extending through each pipe (8). The rod (14) being reciprocatingly moveable along the pipe (8) and having a scraping means (15) pr...  
WO1999061889A3
The invention relates to a device and a method for determining the quality of the corrosion on the inside of a wall manufactured from non-corrosion-resistant material of a space in which corrosive conditions prevail, wherein at least one...  
WO/1999/062654A1
The invention concerns a corrugated tube (1) characterised in that it provides an outer surface (3) comprised of a material withstanding to an acid environment and an inner surface (2) comprised of a material withstanding to the water. T...  
WO/1999/061889A2
The invention relates to a device and a method for determining the quality of the corrosion on the inside of a wall manufactured from non-corrosion-resistant material of a space in which corrosive conditions prevail, wherein at least one...  
WO/1999/060323A1
An aluminum alloy composition consists essentially of controlled amounts of iron, silicon, copper, manganese, magnesium, titanium, zinc, zirconium and free machining elements with the balance being aluminum and incidental impurities. The...  
WO/1999/060075A1
The return bend elbow fittings (18) connecting straight sections (16) of adjacent tubes in a delayed coker furnace are improved by subjecting the interior surface of the fittings to a diffusion hardfacing process.  
WO/1999/050610A1
The invention relates to a heat exchanger tube (1) especially for a capacitor, comprising an inner casing area (3) which is surrounded by an outer casing area (2). The casing areas (2; 3) are firmly connected to each other. One casing ar...  
WO/1999/046538A1
Method and apparatus for cleaning a chamber (25) is disclosed. Scraping blades (65) are rotatably mounted within a chamber (25) and parallel to a longitudinal axis of the chamber (25). The scraping blades (65) are rotated circumferential...  
WO/1999/040384A1
A segmented flow device comprised of barriers (10) and located within a holding tube (12).  
WO/1999/035458A1
The invention relates to a heat transfer element for use in the manufacture of radiant panels for power generating stations. The heat transfer element comprises a rigid base portion providing structural strength and a fluoropolymer coati...  
WO/1999/031451A1
The invention relates to a system (1) for exchanging heat between two gaseous fluids (A, B) which are guided in channels. The inventive device has a housing-like module (2) in which an evaporator chamber (5) is separated from a condenser...  
WO/1999/026037A1
A radiator having a good assemblability and a good recyclability and having a structure such that integral brazing is possible, an automatic oil cooler is assembled more easily, and the remedy of defective brazing is easy. A tank (4) to ...  
WO/1999/016920A1
A heat exchanger (1) formed by laminating tubes (2) and fins (3) alternately, and insert-connecting end portions of the tubes to header pipes (4), wherein the tubes (2) are formed by roll forming or press forming plate type tube material...  
WO/1999/014400A1
A method for coating steel and other metals in which a metallic material layer of at least one of Si, Ge, Cr, W, Mo, Ta, Nb, Ni, and Zr is deposited onto a metal substrate. The metallic material layer is then annealed so as to form a dif...  
WO/1999/009231A1
An austenitic stainless steel which consists, on a weight basis, of up to 0.05 % carbon, up to 1.0 % silicon, up to 2.0 % manganese, up to 0.04 % phosphorus, up to 0.01 % sulfur, 12-27 % nickel, 15-26 % chromium, 3.0-8.0 %, excluding 3.0...  
WO/1998/054530A1
Scraping heat exchanger comprising a housing which is formed by a product-treatment cylinder (1), the walls of which can be cooled or heated and in which there is positioned a rotary shaft (18) provided with a drive (19), carriers (33) w...  
WO/1998/054531A1
This invention relates generally to the field of light weight heat exchangers useful for operation in excess 950 �F and more particularly to titanium metal based heat exchangers. The light weight titanium based metal heat exchanger can...  
WO/1998/050751A1
A device is disclosed for protecting the radiator (1) of a motor vehicle against projected particles. The radiator (1) has spaced apart ribbed pipes (2 to 6) for conveying the cooling medium. According to the invention, the ribbed pipe w...  
WO/1998/044301A1
A heat transfer system for use in cooling and dehumidifying an interior space while rejecting heat to several alternative sources. The system incorporates three primary heat transfer coils (40, 60, 80) in a mechanical refrigeration cycle...  
WO/1998/040655A1
A cooler tube used for the cooling section of a fuel cell power plant system is prepared by inserting a conductive pipe made of copper or stainless steel into a dielectric tube made of a fluorocarbon polymer and shrinking the electric tu...  
WO/1998/033034A1
By the use of a heat exchanger tube not required for adhesion of Zn in advance and a fin not clad with a brazing composition, a heat exchanger core is provided which has corrosion resistance and brazing capability comparable to or higher...  
WO/1998/027394A1
The heat accumulator block has a dirt pan (6) consisting of a plurality of guard plates (12) which are placed substantially parallel to one another in order to form flow channels, and are fastened by their lateral walls (13) to a holding...  
WO/1998/017961A1
The present invention is for a heat exchanger for cooling of gases having high temperature and high carbon potential as is the case by production of carbon black. Natural gas and/or oil and possible additives, such as aromatic oils and s...  
WO/1998/017841A1
A method for reducing the galvanic corrosion of dissimilar metals in contact with one another wherein the exposed surface of the more noble metal is coated with a metal more galvanically compatible with the less noble metal.  
WO/1998/016792A1
A tube heat exchanger for the production of carbon black comprises a support plate located at the lower end, which plate comprises an upper spar support plate, a lower spar support plate and a spar space formed between these plates, thro...  
WO/1998/010915A1
A process is disclosed for joining by welding the end area of a heat exchanger pipe (2) at least sheathed with plastics to a plastic foil (5) which lines the tube plate of a heat exchanger. The heat exchanger pipe (2) is first positioned...  
WO/1998/003832A1
The invention concerns a method of cooling contaminated fluids by means of a cooling device which has a pressureless heat-exchanger and indirectly cools via cooling brine, walls (22) in the pressureless environment being sprayed with the...  

Matches 651 - 700 out of 6,957