"Fooling around with alternating current is just a waste of time. Nobody will use it, ever."
Thomas Edison ; 1889
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7814967 | Heat exchanger A heat exchanger having an active surface over which a fluid flows to affect an exchange of heat between the active surface and the fluid. In some embodiments, the active surface includes a logarithmic spiral wherein the radius of the logarithmic spiral measured at ... | 10/19/2010 |
| 7743821 | Air cooled heat exchanger with enhanced heat transfer coefficient fins The heat exchanger includes a tube having axially spaced fins or a continuously spirally wound fin about the tube. One or more of the fins are dimpled, mechanically or molded, to provide concavities and projections on opposite sides of the fins or alternating concav... | 06/29/2010 |
| 7448441 | Carbon nanotube heat-exchange systems A carbon nanotube heat-exchange system (10) and method for producing the same. One embodiment of the carbon nanotube heat-exchange system (10) comprises a microchannel structure (24) having an inlet end (30) and an outlet end (32),... | 11/11/2008 |
| 7431074 | Radiator structure A radiator structure used with a hot fluid and cooling fluid having a carbon fiber tube. The carbon fiber tube includes a wall portion having an inner surface and an outer surface. A passageway through the tube is used to conduct hot fluids. A second tube of similar... | 10/07/2008 |
| 7422054 | Heat exchanger assembly for a charge air cooler A heat exchanger assembly for an internal combustion engine charge air cooler is formed from a plurality of aluminum modules, each provided with longitudinal through bores and opposite outer face portions with toothed heat exchange fins positioned in face-to-face re... | 09/09/2008 |
| 7362574 | Jet orifice plate with projecting jet orifice structures for direct impingement cooling apparatus A cooling apparatus and a direct cooling impingement module are provided, along with a method of fabrication thereof. The cooling apparatus and direct impingement cooling module include a manifold structure and a jet orifice plate for injecting coolant onto a surfac... | 04/22/2008 |
| 7337831 | Heat transfer device A separation wake zone behind a heat transfer tube in a heat transfer device of a heat exchanger or the like is reduced, whereby a heat transfer action of the heat transfer device can be augmented and a pressure loss thereof can be reduced. The heat transfer device ... | 03/04/2008 |
| 7333336 | Heat radiating apparatus A heat radiating apparatus is provided which includes a heat sink configured to be positioned in thermal contact with a heat source in order to take heat from the heat source, at least one heat pipe having a portion connected to the heat sink and configured to trans... | 02/19/2008 |
| 7333337 | Electric junction box A heat sink in an electric junction box has thermal diffusion portions having one of convex and concave shapes on the surface. The structure enlarges a surface area of the heat sink compared to a configuration in which a surface has no concavity or convexity, thereb... | 02/19/2008 |
| 7331379 | Heat dissipation device with heat pipe A heat dissipation device includes a fin set, a sinuous heat pipe transferring heat to different parts of the fin set, and a base thermally contacting the heat pipe. The heat pipe has a middle U-shaped portion and two L-shaped portions at two sides of the U-shaped p... | 02/19/2008 |
| 7322400 | Cooling apparatus having low profile extrusion A cooling apparatus has a low profile extrusion with a plurality of micro tubes extended there through. The low profile extrusion is placed into thermal connection with heat producing components. A heat transfer fluid removes heat via an adiabatic process. ... | 01/29/2008 |
| 7320177 | Radiator and method of manufacturing the same In a method of manufacturing a radiator, the blade of a carving tool is applied at a specific angle to the surface of a metal plate with a high coefficient of thermal conductivity, the carving tool is advanced while the angle is maintained, and the surface of the me... | 01/22/2008 |
| 7290598 | Heat exchange device A heat transfer device having a heat source for collecting waste heat from a heat-generating system, the heat transfer device having fins in which the shape of the sides of the fins is preferably circular according to the general expression | 11/06/2007 |
| 7287577 | Heat exchanger A heat exchanger is provided that is capable of performing heat exchange more efficiently by using slits. The heat exchanger includes a refrigerant pipe for allowing a refrigerant to flow therethrough, at least one fin disposed such that the refrigerant pipe penetra... | 10/30/2007 |
| 7276046 | Liquid conductive cooling/heating device and method of use A device for heating or cooling medical fluids to be administered to a patient is disclosed. The device comprises a hollow, cylindrical heat/cold exchanging body having external grooves for receiving flexible tubing, the body comprising conductive material for trans... | 10/02/2007 |
| 7273094 | Cooling fin unit A cooling fin unit includes a plurality of cooling fins and a heat guide pipe. Each of the cooling fins has a through hole at the main body thereof and the heat guide pipe passes through the through hole respectively. A recess part is provided to indent toward a sid... | 09/25/2007 |
| 7269013 | Heat dissipation device having phase-changeable medium therein A heat dissipation device includes a heat dissipation body and a heat conducting body thermally combined with the heat dissipation device. The heat dissipation body includes a central portion defining a through hole therein and a plurality of fin extending from a pe... | 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 |
| 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 |
| 7258160 | Heat transfer element, cooling device and electronic device having the element A heat transfer element includes a container having a heat input section for receiving heat generated by a heating element and a heat output section for radiating the heat outside, and condensable working fluid that is vacuum-sealed in the container to transfer the ... | 08/21/2007 |
| 7249626 | Heat dissipation device A heat dissipation device includes a fin unit (50), and at least a heat pipe (30) including an evaporating section (32) and at least a condensing section (34) extending through the fin unit. The fin unit includes a plurality of fins stack... | 07/31/2007 |
| 7231965 | Heat exchanger and heat transferring member with symmetrical angle portions A plurality of angle portions 2c of the fins on an upstream side and those on a downstream side of an air flow are provided so as to be substantially symmetrical with each other. Due to this, bending forces are continuously exerted on a thin plate-like... | 06/19/2007 |
| 7220048 | Mixer/heat exchanger A combination static mixer and heat exchanger having heat exchanger tubes (1) which are provided over their circumference with fins (2a, 2b) which have a static mixing effect. ... | 05/22/2007 |
| 7213637 | Heat pipe operating fluid, heat pipe, and method for manufacturing the heat pipe A heat pipe (20) includes a pipe (21), a wick (22), and an operating fluid. The wick is a capillary structure including a carbon nanotube layer, and is fixed to an inside wall of the pipe. The operating fluid is sealed in the pipe and soaks into... | 05/08/2007 |
| 7198096 | Stacked low profile cooling system and method for making same A stacked array of low profile heat pipes each with a plurality of micro tubes extended therethrough. The stacked low profile heat pipes are placed into thermal connection with heat producing components. A heat transfer fluid is contained in the micro tubes of the l... | 04/03/2007 |
| 7194963 | Ceramic fiber block reflector system The present invention utilizes radiation reflectors on the refractory wall of a fired furnace opposite the spaces between adjacent tubes. The refractory radiation reflectors have a base contiguous with the refractory surface and secured to a subjacent structure, and... | 03/27/2007 |
| 7178586 | Flattened tube cold plate for liquid cooling electrical components A cold plate and a method of forming the cold plate are provided that efficiently and cost effectively cools electrical components. The cold plate includes a flattened tube formed from a circular extruded tube to have a top surface and a bottom surface that are subs... | 02/20/2007 |
| 7156157 | Cooling mechanism A cooling mechanism according to the present invention comprises a heat conductive unit having a plurality of heat radiating fins extended outward in the radial direction thereof and a fan. The heat radiating fins and the air gaps among the heat radiating fins defin... | 01/02/2007 |
| 7147047 | Heat exchanger The invention relates to a heat exchanger (1), especially for motor vehicles, which comprises flat pipes (2) through whose interior a first fluid (FL1) flows and that can be impinged upon externally by a second fluid (FL2). The flat pipes... | 12/12/2006 |
| 7143512 | Method of making a brazed metal heat exchanger core with self-shearing reinforcement A radiator core reinforcement self shears in the braze oven as strategically placed voids in the reinforcement erode away under the flowing action of the melted surface braze layer. ... | 12/05/2006 |
| 7131276 | Pulse tube refrigerator The present invention relates to pulse tube refrigerators for recondensing cryogenic liquids. In particular, the present invention relates to the same for magnetic resonance imaging systems. In many cryogenic applications components, e.g. superconducting coils for m... | 11/07/2006 |
| 7128139 | External ribbed furnace tubes In a radiant heating box there is a convection current which flows over the surface of tubes in the box. Adding ribs to the external surface of vertical tubes provides an enhancement to the heat transfer by convection and increases the heat transfer to the tubes. | 10/31/2006 |
| 7121327 | Heat sink assembly A heat sink assembly includes a plurality of fins (10), a pair of ducts (20), and a frame (30) receiving the fins and the ducts therein. Each fin defines a pair of through holes (11) therein. A tapered tab (14) and a plurality of l... | 10/17/2006 |
| 7121333 | Radiator sheet The present invention relates to a radiator sheet improvement and more particularly to a structure with enhanced strength and increased heat exchange surface after assembling, which is achieved first by forming large holes and adjacent small holes on each radiator s... | 10/17/2006 |
| 7121328 | Condenser A refrigerator condenser includes a spiraled tube and wire member construction to form a substantially longitudinal and rounded passage between a first end and a second end. The second end of the condenser is closed, thereby preventing longitudinal airflow through t... | 10/17/2006 |
| 7117933 | Core structure of integral heat-exchanger A corrugated fin comprises a first part which is interposed between paired first tubes, a second part which is interposed between paired second tubes and a third part through which the first and second parts are integrally connected. The third part of the corrugated... | 10/10/2006 |
| 7100280 | Method for producing a heat exchanger The invention relates to a method for producing a plate heat exchanger from a plurality of heat exchanger blocks (1a, 1b). Each heat exchanger block (1a, 1b) has mounted on it a header (6a, 7 | 09/05/2006 |
| 7096931 | Increased heat exchange in two or three phase slurry Ribbed heat exchange tubes in which the aspect ratio of the ribs is less than 5, provide greater indirect heat exchange than conventional heat exchange tubes with or without fins, when used in a slurry comprising a liquid phase, in which is dispersed flowing gas bub... | 08/29/2006 |
| 7086457 | Heat exchanger for industrial installations The invention concerns a heat exchanger for industrial installations, in particular for power plants, with at least one distributor for a fluid medium and at least one heat exchanger element attached to the distributor. The heat exchanger is composed of a sandwich-l... | 08/08/2006 |
| 7082989 | Heat exchanger A heat exchanger is provided in which high heat transfer efficiency has been attained by optimizing the slit array and setting an optimum range for the width of a slit and the spacing between slits. Slits 51 and 52 formed in front of the heat transfer ... | 08/01/2006 |