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| Number | Title | Issue Date |
| 7637286 | Absorber for a pipe construction or sewer construction and pipe or sewer configuration provided with the absorber An absorber for a pipe or sewer structure has at least one feed connection and at least one return connection. One or more absorber channels connect a feed to a return stub. The absorber channels of the absorber are combined in an absorber channel mat to form a phys... | 12/29/2009 |
| 7581563 | Exhaust pipe with profiled inner tube, and method of making an exhaust pipe An exhaust pipe for an internal combustion engine includes an inner tube carrying a flow of exhaust gas and surrounded by an outer tube, with an insulating layer disposed between the inner tube and the outer tube. The inner tube has at least one region formed with a... | 09/01/2009 |
| 7367383 | Multi-layer wick structure of heat pipe A multi-layer wick structure of the heat pipe, comprising a hollow heat pipe body and a weave mesh of the wick structure provided on the internal surface of the heat pipe body, wherein the weave mesh of the wick structure is subjected to at least one folding such th... | 05/06/2008 |
| 7347254 | Heat exchanger for motor vehicles The invention relates to a heat exchanger for motor vehicles, having a large number of flat tubes through which a liquid cooling medium can flow, and having corrugated fins which are associated with these flat tubes and to which environmental air or other media can ... | 03/25/2008 |
| 7331705 | Static device and method of making A static device and method of making is disclosed for mixing matter flowing therethrough. The invention comprises a tube having a polygonic cross section defining a plurality of corners. The tube is spirally twisted with the plurality of corners forming a plurality ... | 02/19/2008 |
| 7316245 | Fluid flow control device A flow control device having no moving parts that controls fluid flow along a fluid pathway in such a way that flow rate remains constant irregardless of environmental changes. The device achieves a constant flow rate by taking advantage of the properties of the flu... | 01/08/2008 |
| 7290595 | Inner fin with cutout window for heat exchanger An inner fin (1) of a heat exchanger has, on front and rear faces thereof, protruding ridges (2, 3) protruding in opposite directions to each other. Grooves (4, 5) to serve as passages of a heat exchange medium are formed between the adjacent pr... | 11/06/2007 |
| 7288128 | Intermittent mixer with low pressure drop A thermal mixer reduces the temperature of flue gas supplied to a fabric filter. Two spray dry absorbers are operable to cool flue gas. A housing of the mixer has first and second inlet passages for gas from the absorbers, an outlet passage for gas to the fabric fil... | 10/30/2007 |
| 7275393 | High-efficiency turbulators for high-stage generator of absorption chiller/heater Turbulators are disclosed for use in a high-stage generator for an exhaust-fired absorption chiller/heater. The turbulators are designed to minimize pressure drop across the turbulator, and thus minimize the efficiency loss to the exhaust source. One turbulator desi... | 10/02/2007 |
| 7267166 | Grooved tubes for heat exchangers that use a single-phase fluid Grooved metal tubes, with a groove-bottom thickness Tf and outside diameter De, internally grooved with N helical ribs having an apex angle α, height H, base width LN, and helix angle β, two consecutive ribs being separated by a groove, gener... | 09/11/2007 |
| 7264394 | Static device and method of making A static device and method of making is disclosed for mixing matter flowing therethrough. The invention comprises a tube having a polygonic cross section defining a plurality of corners. The tube is spirally twisted with the plurality of corners forming a plurality ... | 09/04/2007 |
| 7261142 | Heat pipe excellent in reflux characteristic A heat pipe wherein a condensable liquid phase working fluid is encapsulated in a container sealed in air-tight condition; wherein the wick composed of the porous body for refluxing the liquid phase working fluid by a capillary pressure is provided in the container;... | 08/28/2007 |
| 7261143 | Heat pipe A heat pipe includes a metal tube and an amount of fluid sealed in the copper tube. The metal tube may include an inner surface. The inner surface is patterned to define at least one pitch and at least two grooves. A given pitch separates adjacent grooves. The amoun... | 08/28/2007 |
| 7255159 | Insert for heat exchanger tube An insert adapted to connect to opposite walls in a heat exchanger tube, including a corrugated sheet having alternating wave crests and wave troughs connected by wave flanks having openings therein, wherein at least some of the wave crests have a length different t... | 08/14/2007 |
| 7237605 | Heat exchanger A projection portion (145) protruding from a bottom surface 8141a) on a core portion side towards the center of the core portion (130) is formed in a core plate (140). A bond portion (142a) between a tube (132)... | 07/03/2007 |
| 7174919 | Flow redirection member and method of manufacture Fluid transmission devices combine and separate fluid flowing therein, and are particularly useful in engine exhaust systems. Given the ever-increasing complexity of exhaust systems, there is a need to reduce construction costs, labor costs, and costs associated wit... | 02/13/2007 |
| 7169292 | Pyrolysis tube and pyrolysis method for using the same The present invention provides a pyrolysis tube for enhancing the yield of olefins and reducing a coking tendency in steam cracking of hydrocarbons. According to the present invention, the pyrolysis tube is characterized in that a plurality of mixing blades made by ... | 01/30/2007 |
| 7159647 | Heat pipe assembly A heat pipe assembly includes at least a flattened portion formed on the heat pipe. The internal surface of the heat pipe includes a wick structure attached thereon, and a mesh supporting member disposed therein. The wick structure is compressed on the internal surf... | 01/09/2007 |
| 7148452 | Heat sink for printed circuit board components The present invention provides a heat sink for cooling a component. The component may be one of several components on a circuit board. The heat sink includes a tubular body and a plurality of internal fins. The tubular body has an interior surface and an exterior su... | 12/12/2006 |
| 7143817 | Support structure of heat-pipe multi-layer wick structure A support structure of a heat-pipe multi-layer wick structure, having a hollow heat-pipe tube and multiple separate layers of weaving mesh wick structure overlaying on an interior surface of the heat-pipe tube. The wick structure has a curly circular shape. The oute... | 12/05/2006 |
| 7140394 | Thermostatic control valve with fluid mixing A thermostatic control valve assembly for use in continuously mixing a hot first fluid with a cold second fluid to continuously produce a mixed fluid at a constant temperature. The valve assembly includes an improved mixing dome defining a mixing chamber that facili... | 11/28/2006 |
| 7140421 | Wick structure of heat pipe A wick structure is attached on an internal sidewall of a heat pipe. The wick structure includes a plurality of orthogonal woven fibers. The fibers extending along a longitudinal direction of the heat pipe are thinner; therefore the wick structure is capably of prov... | 11/28/2006 |
| 7117686 | High-efficiency turbulators for high-stage generator of absorption chiller/heater Turbulators are disclosed for use in a high-stage generator for an exhaust-fired absorption chiller/heater. The turbulators are designed to minimize pressure drop across the turbulator, and thus minimize the efficiency loss to the exhaust source. One turbulator desi... | 10/10/2006 |
| 7108139 | Plastic extruded center tube profile and method of manufacture A filter for a fluid system includes a housing having an interior cavity. A filter media is disposed in the housing and defines a central opening. A center tube is arranged within the central opening and includes a plurality of helical fins extending radially outwar... | 09/19/2006 |
| 7104068 | Turbine component with enhanced stagnation prevention and corner heat distribution Aspects of the invention relate to a system for reducing stagnation between substantially adjacent components while providing enhanced heat distribution properties in the corners and edges of the components. Each component is generally hollow and has two walls dispo... | 09/12/2006 |
| 7055586 | Multitubular heat exchanger A multi-tube heat exchanger capable of increasing heat exchanging performance without increasing its heat transmitting area, as well as avoiding a reduction in heat exchanging efficiency due to adhering pollutant or the like. The multi-tube heat exchanger includes a... | 06/06/2006 |
| 7051767 | End formed tube An end formed tube to which a molded plastic part is attached and sealed. One end of the end formed tube is rolled over to form a lip, which prevents the removal of the molded part. The rolled over lip portion creates a void in which plastic overmold from the plasti... | 05/30/2006 |
| 7044210 | Heat transfer pipe and heat exchange incorporating such heat transfer pipe Soot adhering to the inner surface of a heat transfer pipe can be removed without lowering the heat transfer efficiency that is the inherent object of the heat transfer pipe or without stopping the cooling operation of the heat transfer pipe. Further, this soot remo... | 05/16/2006 |
| 7026056 | Multicompartment structure for insulation and other materials A structure for encapsulating and protecting fiber insulation material as well as other materials in multicompartment devices in order to provide unitized material which can be applied to any surface desired for insulation or other purposes. A first sheet of materia... | 04/11/2006 |
| 7025921 | Method for production of a hybrid component The invention relates to the production of a hybrid component, whereby a piece of metal sheet (1) is a least partly coated with plastic by injection molding, by means of the following steps: a) placing the metal sheet (1) in one mold half of an injecti... | 04/11/2006 |
| 7000572 | Telescopic baffle for water heater Water heater apparatus for improving the efficiency of a water heater having a tank, a burner, and a flue with the flue being disposed within the tank for evacuation of burn gases therethrough includes an enhancing heat transfer baffle with the baffle having a trunc... | 02/21/2006 |
| 6994150 | Engine guard oil cooler An integrated engine guard oil cooler is mounted to a motorcycle. The cooler is a hollow tube having an inlet, an outlet, a plurality of cross-sectional restrictions in its interior, and a plurality of radial cooling fins on its exterior. The tube has a shape such t... | 02/07/2006 |
| 6978825 | Device and process for the heat insulation of at least one underwater pipe at great depth The present invention relates to a device for the heat insulation of at least one underwater pipe (1) intended to be laid on the sea bed at great depth, comprising an insulating coating surrounding the latter and a protective envelope (3), characterize... | 12/27/2005 |
| 6962193 | Tubular catalytic aircraft precooler A tube assembly for cooling an incoming fluid stream and destroying pollutants contained therein comprises a tube with a catalytic coating on its inner wall and an arrangement for disrupting laminar flow of the fluid stream as it transits the tube, thereby causing t... | 11/08/2005 |
| 6948557 | Inner fin for heat exchanger flat tubes and evaporator The present invention relates to an inner fin 5 for heat exchanger flat tubes 22A which comprises a metal plate having a corrugated cross section and which is to be enclosed in the flat tube 22A, all ridges 51 and all furrows 52 of... | 09/27/2005 |
| 6945320 | Tubular heat exchanger with offset interior dimples A tubular heat exchanger has at least one pair of dimples which are extruded into at least one tube of the heat exchanger by deforming the tube wall inwardly. The dimples of each pair are in generally facing relationship, but are offset with respect to each other al... | 09/20/2005 |
| 6935418 | Fluid conveying tube and vehicle cooler provided therewith A fluid conveying tube included in a vehicle cooler comprises on its inside first and second opposite longitudinal primary heat exchange surfaces, and flow-directing surface structures which are arranged on the primary surfaces. Each surface structure comprises a pl... | 08/30/2005 |
| 6925711 | Micro-textured heat transfer surfaces A wrought aluminum sheet product having a textured surface for improved heat transfer properties. A plurality of textured features having dimensions of about 1-50 microns is roll textured onto one or both sides of the sheet. The aluminum sheet may be used as the fin... | 08/09/2005 |
| 6923216 | Microfluidic device with ultraphobic surfaces A microfluidic device having durable ultraphobic fluid contact surfaces in the fluid flow channels of the device. The ultraphobic surface generally includes a substrate portion with a multiplicity of projecting regularly shaped microscale or nanoscale asperities dis... | 08/02/2005 |
| 6907922 | Heat exchanger A heat exchanger is used in a vapor-compression type refrigerator where a pressure of a refrigerant at a high-pressure portion reaches and exceeds a critical pressure. A low-pressure refrigerant flows through the heat exchanger. The heat exchanger comprises a flat t... | 06/21/2005 |
