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5732767 Corrosion resistant heat exchanger and method of making the same  
Inconsistent and costly corrosion protection with prior art heat exchangers are eliminated in a heat exchanger (10) formed of an aluminum fin (16) clad with an Al--Si--Zn braze clad compound (18),...
5720340 Laminated type heat exchanger  
A laminated type heat exchanger includes a plurality of refrigerant passages which are formed by pairs of core plates. Each core plate comprises an outer covering layer, a core layer, and an inner...
5699852 Heat exchanger having a resin-coated pipe  
A heat exchanger having corrosion resistant resin-coated plates and pipes. The heat exchanger is easily constructed using the corrosion resistant resin-coated plates and the pipes. The heat...
5699855 Plate fin heat exchanger and method of making thereof  
To prevent with certainty corrosion by mercury even in nonoperating of plant facilities, plate fins 1 and flat plates 2 of flow passage members constituting cooled fluid passages and refrigerant...
5690167 Inner ribbed tube of hard metal and method  
A heat exchanger inner spiral-ribbed tube made of a hard metal such as stainless steel, titanium, or an iron-nickel alloy, and method of manufacture therefor for use in making a heat exchanger. The...
5682946 Tube for use in a heat exchanger  
A heat exchanger tube having a smooth outer surface and a textured inner surface. The inner surface is composed of parallel ribs which run at an angle deviating from 90° relative to the...
5669441 Heat transfer tube and method of manufacture  
An evaporator heat transfer tube (10) for use in a heat exchanger where heat is transferred between a fluid flowing through the tube and a fluid flowing around the exterior of the tube and where...
5655599 Radiant tubes having internal fins  
An improved radiant heat transfer tube with internal fins is provided. Optimum design characteristics for the number of fins, the height or length of the fins and the twist of the fins is provided...
5597039 Evaporator tube  
A heat transfer tube for use in a refrigeration evaporator. This tube includes an outer surface with axially spaced bent fins which form and enclose annular tunnels. The bent fins have top edge...
5586598 Heat exchanger  
A heat exchanger, such as a condenser, for use in a automobile air conditioning system includes a plurality of flat tubes for conducting the refrigerant and a plurality of corrugated outer fins...
5582024 Copper article with protective coating  
A copper heat exchanger unit for operating in a harsh environment wherein the exposed surfaces of the unit are first provided with a black oxide layer and then electrocoated with a protective...
5577555 Heat exchanger  
Heat exchanger has a first surface on which a first fluid flows and a second surface on which a second fluid flows, at least one of the first and second surfaces has at least two projections and a...
5564496 Composite parting sheet  
A composite parting sheet is disclosed for separating hot and cold layers in a heat exchanger core. Known parting sheets being primarily aluminum are subject to leakage due to corrosion and failure...
5561981 Heat exchanger for thermoelectric cooling device  
Heat exchangers for a thermoelectric cooling (TEC) device. A heat dissipation assembly comprises an array of foil corrugations disposed in generally parallel spaced relationship with the heat...
5562949 Low solids hydrophilic coating  
Optionally antimicrobial, hydrophilic coatings having reduced or low solids contents are provided. Such coatings are extremely useful for coating heat transfer surfaces of condensing heat...
5562156 Immersion type heat exchanger  
The present invention provides a heat exchanger having a coating with durability which causes neither adhesion of sludge nor separation of the coating within a short time. The surface of the heat...
5558158 Hygienic air handler  
Interior surfaces of an air handler unit are coated with a dense, non-porous material, which discourages and prohibits growth of mold, spores, algae, bacteria, germs, viruses and other organisms...
5555914 Cryogenic heat pipe  
A ceramic composite is provided comprising ceramic fibers and microparticles bound together as a porous matrix with a ceramic binder. The ceramic composite is particularly useful for transporting...
5545438 Hydrophilic treatment for aluminum  
A hydrophilic coating for aluminum comprising a substantially chromium-free treatment including phosphoric acid, boric acid and optionally molybdic acid.
5544698 Differential coatings for microextruded tubes used in parallel flow heat exchangers  
Microextruded tubes each having two side surfaces, front and trailing edge surfaces and two ends are provided for insertion into aligned slots in headers to complete a heat exchanger assembly. The...
5540899 BI-directional control of temperatures in reactant channels  
A reactor arrangement and process for indirectly contacting a reactant stream with a heat exchange stream uses multiple passes of the heat exchange stream in a transverse flow arrangement to...
5538078 Aluminum-containing metal composite material and process for producing same  
An aluminum-containing metal composite material useful for heat exchangers having a satisfactory hydrophilic property, water-resistance and resistance to swelling with water and an enhanced...
5529807 Composition and method for treating heat exchange surfaces  
A composition containing an antimicrobial and a silicone-based emulsion is disclosed for treating heat exchange surfaces. The liquid formulation retards microbial growth and prevents debris from...
5518066 Heat exchanger  
A heat exchanger for use in applications with high temperatures and rapidly changing thermal gradients. The heat exchanger has a shell, a head, a tubesheet, a tubesheet skirt, and a tube bundle....
5513699 Heat exchanger wall, in particular for spray vaporization  
A heat exchanger wall for the transfer of heat from one first medium on one side of the wall to a second medium to be evaporated on the other side of the wall, with this other side having integral,...
5477918 Water based silicone coating compositions  
Water based silicone coating compositions are provided offer superior coating properties, durability and resistance to high temperatures and to the effects of corrosive environments. These coating...
5445682 Method of applying surface hydrophilic treatment to heat-transfer tube  
A method of applying a surface hydrophilic treatment to a heat-transfer tube with a good productivity, which obtains an excellent surface hydrophilic property not deteriorated for a long term. The...
5435384 Heat dissipating plate  
A heat dissipating plate having rows of upright radiating rods and rows of V-shaped radiating fins alternatively aligned at the top of a flat base thereof, each two adjacent V-shaped radiating fins...
5416057 Coated alternating-flow heat exchanges and method of making  
An alternating-flow heat exchanger and method of forming is disclosed, in which a substrate is provided having open-ended, straight passageways therethrough, and at least one end cap for diverting...
5413674 Evaporation for solids concentration  
A black liquor process for paper pulping uses a nucleic boiling surface in a series of multi-effective evaporators. The nucleic boiling surface may be used to retube all effects or a single effect.
5388637 Activated carbon absorbent with integral heat transfer device  
An integral adsorbent-heat exchanger apparatus for use in ammonia refrigerant heat pump systems. The apparatus has a finned tube heat exchange member. A bonded, pyrolyzed activated carbon adsorbent...
5377746 Texturized fin  
A finned tube comprising a tube and a texturized solid fin attached thereto, the fin having a proximal edge and an opposite distal edge, the proximal edge being attached helically to the tube so...
5376411 Method for antimicrobial treatment of heat exchangers  
A heat exchanger is immersed in a hydrophilic-film-forming solution in order to form a hydrophilic film on the surface of the heat exchanger. The film applied on the heat exchanger is then dried to...
5366004 Biostatic/biocidal coatings for air conditioner cores  
According to a preferred embodiment of this invention, the exterior surface of an evaporator carries a coating of dried paint resistant to microbial growth and suitable for forming an adhered layer...
5361828 Scaled heat transfer surface with protruding ramp surface turbulators  
A heat transfer surface for use along a flowpath along the surface is scaled with rows of turbulators having ramp surfaces protruding into the flowpath operable to generate turbulence promoting...
5353865 Enhanced impingement cooled components  
An improved heat transfer assembly includes a textured impingement surface and means for impinging cooling air directly upon the textured surface. A component includes a surface textured to...
5351750 Tubular element for a heat exchanger  
A tubular element for a heat-exchanger comprises a tubular core composed of a first aluminum alloy comprising up to 0.3 wt % maximum of silicon, up to 0.5 wt % maximum of iron, from 0.50 to 0.70 wt...
5344617 Apparatus for converting noxious pollutants from flue gas into merchantable by-products  
A system and method of converting flue gas pollutants to marketable byproducts of ammonium bisulfite and ammonium bisulfate, which are collected, and to other harmless byproducts which may be...
5342871 Clear hydrophilic coating for heat exchanger fins  
The combination of an ethylene/acrylic acid copolymer and a water soluble amine salt of a fatty acid is useful as a hydrophilic coating for the surfaces of fins in a heat exchanger. The exchanger...
5333682 Heat exchanger tube  
A tube for use in a heat exchanger where heat is transferred between a fluid flowing through the tube and a fluid flowing around the exterior of the tube and where the fluid external to the tube...
5332034 Heat exchanger tube  
A heat exchanger tube having an internal surface that enhances the heat transfer performance of the tube. The internal surface has ribs that run substantially parallel to the longitudinal axis of...
5322116 Very high temperature heat exchanger  
A high temperature fluid-to-fluid heat exchanger is described wherein heat is transferred from a higher temperature fluid flow core region to a lower temperature fluid flow annulus. The wall...
5314006 Sheet metal heating package for regenerative heat exchangers as well as a method and apparatus for manufacture of profiled metal sheets for such sheet metal heating packages  
A sheet metal heating package for heat exchangers including a plurality of superimposed sheets having at least a partial profiling for instance embossments leaving free flow channels in between...
5305827 Antimicrobial hydrophilic coating  
Heat transfer surfaces in condensing heat exchangers are often coated with a hydrophilic coating to provide wetting and wicking. This coating is typically porous and continuously moist during...
5289872 Sacrificial brackets for aluminum heat exchanger  
A heat exchanger of the type for directing air across a core thereof for heat transfer with fluid flowing within the core includes a pair of tubes connected in parallel between an inlet and an...
5275234 Split resistant tubular heat transfer member  
The improved split resistant tubular heat transfer member of the present invention is directed to an elongated tube having a substantially circular transverse cross-section. The elongated tube...
5267609 Heat radiation tube  
Heat radiation tubes for furnaces and the like heating devices, mainly for industrial processes. Heating can be obtained by electrical heating elements or by combustion for example of gas. The...
5267605 Microtube array space radiator  
The MTS radiator consists of planar arrays of micro-tube strip modules, each of which contain two or three rows of about 200 properly spaced microtubes per row. The three-dimensional tubular...
5259448 Heat transfer tubes and method for manufacturing  
The heat transfer tube of the present invention is provided in an inner surface thereof with a plurality of main grooves and a plurality of narrow grooves. The main grooves have rectangular shaped...
5246063 Heat exchanger for cooling synthesis gas generated in a cool-gasification plant  
A heat exchanger for cooling synthesis gas generated in a coal-gasification plant has heat-transfer pipes (1) that the gas flows through, that are secured in two slabs (2 & 3) of piping, and that...