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| Number | Title | Issue Date |
| 7891415 | Heat exchanger A heat exchanger has a heat exchange part that includes a heat supply medium channel with at least one heat supply passage and a heat recovery medium channel surrounding the heat supply medium channel. The heat exchange part is arranged such that, during operation, ... | 02/22/2011 |
| 7628199 | Heat exchanger, in particular air/air cooler The invention relates to a heat exchanger (1), in particular an air-cooled air cooler consisting of a block (2) with first (7) and second (9) flow channels, arranged in a cross-flow configuration, for a first gaseous medium that is to be ... | 12/08/2009 |
| 7367385 | Optimized fins for convective heat transfer The invention includes a heat transfer geometry having first and second flow channels in parallel with each other. The flow cross-sectional area of individual channels varies along the length of the flowpath, with one channel undergoing an expansion and the other un... | 05/06/2008 |
| 7334630 | Closed-loop microchannel cooling system Apparatus and methods according to the present invention utilize micropumps that are capable of generating high pressure and flow without moving mechanical parts and the associated generation of unacceptable electrical and acoustic noise, as well as the associated r... | 02/26/2008 |
| 7325589 | Passive fluid recovery system A fluid recovery system is adapted for use with a cooling system, such as for use in electronic applications. In one example, an enclosure is configured to contain fluid in both gas and liquid states, wherein the fluid is adapted for use in spray cooling electronic ... | 02/05/2008 |
| 7322405 | Multi-pipe heat exchanger apparatus and method of producing the same In a heat exchanger, a plurality of heat conductive pipes forming first passages are provided between an outer wall plate and an inner wall plate. Air flows through the first passages. Second passages are formed between the heat conductive pipes. An exhaust gas flow... | 01/29/2008 |
| 7299642 | Cryogen/water heat exchanger and the application thereof to the supply of gas to an on-board power unit in a vehicle The invention relates to an exchanger, advantageously a plate exchanger, comprising counter-current parallel exchange sections (8,9). According to the invention, the exchange section for the water (8) has an essentially constant cross-section, whereas ... | 11/27/2007 |
| 7293423 | Method and apparatus for controlling freezing nucleation and propagation An apparatus and method of controlling freezing in a liquid system is disclosed. The apparatus includes a heat exchanger having a initial zone characterized by a surface area to volume ratio. The apparatus also includes means for initiating freezing of a fluid from ... | 11/13/2007 |
| 7290596 | Thermal management of systems having localized regions of elevated heat flux A thermal management system (300) includes a first heat transfer body (330) for providing a opposing heat flux to a localized region of elevated heat flux residing in adjacency to a region of lesser flux, such as on a surface (315a) of a ... | 11/06/2007 |
| 7281573 | Cooler A cooler includes a heat conducting member and a heat scattering member. The heat conducting portion is closely attached with a heat source. The heat scattering member has plural hollow cones respectively formed of sintered metallic particles with their size enlarge... | 10/16/2007 |
| 7269011 | Impingement cooled heat sink with uniformly spaced curved channels A heat sink assembly for removing heat from an electronic device and comprising a base, a lid in spaced relationship with and parallel to the base, and an outer wall spiraling radially outwardly about an inlet axis from an inner exit position to an outer exit positi... | 09/11/2007 |
| 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 |
| 7237600 | Support surface for heating or cooling food articles and method of making the same A heat transfer support surface for heating or cooling food articles placed adjacent the support surface by circulating a heat transfer fluid in the internal passages of the support surface is disclosed. Circulated fluid is heated or cooled by a source. Support surf... | 07/03/2007 |
| 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 |
| 7228890 | Heat exchanger with integral shell and tube plates A heat exchanger comprises a shell formed from two joined-together shell members. Each shell member includes a tube plate that is integral with each respective shell member and that defines an axial end of the shell member. The shell members are joined along respect... | 06/12/2007 |
| 7225627 | Vapor compression system and method for controlling conditions in ambient surroundings A vapor compression system including an evaporator, a compressor, and a condenser interconnected in a closed-loop system and a method of operating such a system. The method includes the conversion of expanded liquid heat transfer fluid from a liquid form to a high q... | 06/05/2007 |
| 7222663 | Evaporator and vehicle provided with refrigeration cycle having the same An evaporator having front and rear heat exchange assemblies arranged at air inlet and outlet sides, respectively, and adjacent to each other. Each heat exchange assembly includes a pair of upper and lower headers, and multiple refrigerant channels each having upper... | 05/29/2007 |
| 7203064 | Heat exchanger with cooling channels having varying geometry A device may include an integrated circuit chip and channels to carry a coolant. The channels may be proximate to an upper surface of the integrated circuit chip, and the channels may extend along a length of the integrated circuit chip. A density of the channels ma... | 04/10/2007 |
| 7195059 | Heat exchanger and method of performing chemical processes A heat exchanger including a passageway having an internal passage adapted to form a first flow path, and an array of conduits having internal passages that collectively form a second flow path. The conduits extend through the internal passage of the passageway, and... | 03/27/2007 |
| 7185483 | Methods and apparatus for exchanging heat A method for exchanging heat between a first fluid and a second fluid. The method includes providing a heat exchanger having a stack of at least two layers of support structures, wherein each support structure layer is formed from a lattice of support members, and s... | 03/06/2007 |
| 7182125 | Low profile heat exchanger with notched turbulizer A multi-pass heat exchanger including first and second plates forming a fluid chamber therebetween having an inlet opening and an outlet opening, and a turbulizer plate having rows of fluid flow augmenting convolutions in the fluid chamber, the turbulizer plate incl... | 02/27/2007 |
| 7163052 | Parallel flow evaporator with non-uniform characteristics In a parallel flow heat exchanger, which is susceptible to having a non-uniform distribution of a two-phase refrigerant flow to the individual channels, the resultant differences in the refrigerant flow therethrough are compensated and counter-balanced by a correspo... | 01/16/2007 |
| 7131288 | Heat exchanger In a heat exchanger (10) for transferring heat from a first fluid to a second fluid, which heat exchanger (10) comprises one or more flow passages (12) for a first fluid, the outer wall (26) of these passages is in heat-transferring conta... | 11/07/2006 |
| 7124812 | Heat exchanger Apparatus and method for cooling heated fluids, such as exhaust gases, flowing through a heat exchanger comprising one or more exhaust plenums and one or more coolant plenums, and providing increased coolant velocity in that portion of the coolant plenums contacting... | 10/24/2006 |
| 7114549 | Foil structure for regenerators In a regenerator for a regenerative cycle machine, regenerator foil is grooved on both sides, with intersections of grooves on opposite side forming holes at which separate flows of fluid interact to induce flows ancillary to the overall direction of flow in the reg... | 10/03/2006 |
| 7096933 | Furnace heat exchanger A furnace heat exchanger with multiple parallel flow passages wherein the last flow passage extends downwardly from its plane as it approaches the outlet so as to result in a lower overall height of the heat exchanger. Preferably both the upper wall and the lower wa... | 08/29/2006 |
| 7078697 | Thermally powered terahertz radiation source using photonic crystals Although THz radiation is naturally emitted by hot objects, the intensity levels are too weak to be considered as a practical THz source for most applications. Photonic crystal structures are used to modify the thermal emission peak associated with the standard Plan... | 07/18/2006 |
| 7073572 | Flooded evaporator with various kinds of tubes An evaporator for a refrigeration system is disclosed which includes a tube bundle with various kinds of tubes. Depending upon the size of a tube bundle, at least two different kinds of tubes are used along the height of the tube bundle. Highly efficient nucleate bo... | 07/11/2006 |
| 7073573 | Decreased hot side fin density heat exchanger Apparatus and method for cooling heated fluids, such as exhaust gases, flowing through a heat exchanger including at least one exhaust gas plenum with fins or other heat transfer structure and at least one coolant plenum, and providing decreased heat exchange in tha... | 07/11/2006 |
| 7069977 | Heat exchanger Heat transfer members (H4, H3, H2, H1) are sequentially disposed within an exhaust port (18), within a pre-catalytic device (34), and on the downstream of a main catalytic device (35); the exhaust port (18), th... | 07/04/2006 |
| 7063131 | Perforated fin heat exchangers and catalytic support Perforated fins are provided to improve the capabilities of fin and tube type heat exchangers, and to adapt them for flow outside of the tube that is essentially parallel to the axis of the tube. The fins are made of a thermally conductive material, such as metal, w... | 06/20/2006 |
| 7063047 | Fuel vaporizer for a reformer type fuel cell system Large thermal stresses are avoided and the fuel charge reduced in a vaporizer particularly suited for use in a reformer type fuel cell system and having a construction that includes alternating fuel/water flow path defining cells (68) and hot gas flow path ce... | 06/20/2006 |
| 7059399 | Heat exchanger with flat tubes A heat exchanger including first and second header tanks for receiving and discharging refrigerant. Further, the first and second header tanks are spaced apart from each other by a predetermined distance. Also include is a plurality of flat tubes each having opposit... | 06/13/2006 |
| 7040386 | Heat exchanger Fins such as corrugated fins or plate fins are formed with meandering projections. A fluid such as air strikes bent parts of the meandering projections or grooves at the back sides while flowing along the fins and becomes turbulent and therefore flows while meanderi... | 05/09/2006 |
| 7040388 | Heat sink, method of manufacturing the same and cooling apparatus using the same A heatsink of the present invention has a column having a heat conducting plate with a heat receiving face contacting a heat producing element. On the side faces of the column are a plurality of first slits disposed parallel to the heat receiving face and a pluralit... | 05/09/2006 |
| 7032411 | Integrated dual circuit evaporator An evaporator system comprised of two individual refrigerant circuits, integrated in such a way that if one circuit is not in operation, no portion of the airflow through the evaporator fails to come into contact with the refrigerant in the active circuit. This elim... | 04/25/2006 |
| 7024342 | Thermal flow simulation for casting/molding processes A numerical procedure for simulating the behavior of incompressible, viscous fluid in a casting/molding process. The method is based on classical fluid dynamic equations and uses control volume-finite element and numerical techniques to solve the momentum and energy... | 04/04/2006 |
| 7017651 | Method and apparatus for temperature gradient control in an electronic system An apparatus includes a plurality of Transmit/Receive (T/R) modules (20) coupled with a slat assembly (34). The slat assembly includes a fluid passageway (54). A plurality of turbulence inducing structures (62, 162, 262, 104, 204, 304, 462 | 03/28/2006 |
| 7000415 | Foul-resistant condenser using microchannel tubing A condenser coil for a refrigerated beverage and food service merchandiser includes a plurality of parallel fins between adjacent tubes. In order to reduce the likelihood of fouling by the bridging of fibers therebetween, the spacing of the fins is maintained at a d... | 02/21/2006 |
| 6997247 | Multiple-pass heat exchanger with gaps between fins of adjacent tube segments In a liquid loop cooling device, a heat exchanger includes a tube arranged in a multiple-pass configuration including a plurality of substantially parallel tube segments. The heat exchanger further includes a plurality of fins coupled to the tube segments. The fins ... | 02/14/2006 |
