Cooling Apparatus Making, E.g., Air Conditioner, Refrigerator Patents (Class 29/890.035)
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Patent number: 7146726Abstract: A cross-flow cooling tower having a frame assembly that is unitarily molded from a plastic material. The frame assembly has opposing top and bottom walls along with opposing side walls and opposing ends. The side walls extend parallel to one another between the top and bottom walls. In addition, the opposing ends extend parallel to one another between the top and bottom walls. The frame assembly additionally has a vertical stack extending vertically from the top wall. The top covers of the tower extend outwardly and downwardly from the vertical stack.Type: GrantFiled: February 11, 2004Date of Patent: December 12, 2006Assignee: SPX Cooling Technologies, Inc.Inventors: Ohler L. Kinney, Jr., Robert S. Glauz, Brian F. Wright, Kathryn L. Pullen, Eldon F. Mockry
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Patent number: 7134203Abstract: A method and system dampens vibrations associated with a device installed in a system by supporting the device with one or more support members having a rigid support portion and a dampening support portion made from an elastic material. In one embodiment, an information handling system fan assembly is made with two shot injection molding to form a support member with an integrated dampener that holds a fan mount disposed in a cooling air channel defined by a fan housing. The fan housing, mount and rigid portion of the support member are formed with one shot from a substantially rigid material and the dampening portion is formed with another shot from a substantially elastic material. A fan couples to the fan mount for installation in the information handling system.Type: GrantFiled: May 2, 2005Date of Patent: November 14, 2006Assignee: Dell Products L.P.Inventors: David Frederick Hutchinson, Ahmed Mohiuddin
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Patent number: 7131200Abstract: A radiating appliance consisting of a plurality of heat-transfer tubes, radiators, and a heat-transfer plate is processed in a method including the following steps: position the heat-transfer tubes in grooves formed in a recess on one radiator; position the heat-transfer plate in front of the recess to locate above the heat-transfer tubes; and drive a heated flat pressure plate to press the heat-transfer plate into the recess and flatten the heat-transfer tubes, as well as melt paste tin positioned in the grooves below the heat-transfer tubes, so that the heat-transfer tubes and the radiator have increased contact area between them, and the molten paste tin firmly bonds the heat-transfer tubes, the radiator, and the heat-transfer plate to one another to form the radiating appliance.Type: GrantFiled: January 20, 2004Date of Patent: November 7, 2006Assignee: Asia Vital Components Co., Ltd.Inventors: Hsin-Cheng Lin, Nai-Jen Hsu
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Patent number: 7128138Abstract: A heat exchanger including a header having a plurality of header openings with rigid tubes that may be made of plastic are inserted in the openings. The tubes are sealed to the header to prevent leakage between the header and the tubes to prevent water and air leakage between the wet, scavenger air stream flowing through the tubes and a dry air stream flowing around the tubes. A method of making the heat exchanger includes providing the openings with a flange and uses an interference fit between the rigid heat exchange tubes and the header openings. A self-leveling sealant may be used to seal the heat exchanger tubes to the header using, for example, a paint roller and/or a paint sprayer.Type: GrantFiled: May 26, 2004Date of Patent: October 31, 2006Assignee: Entrodyne CorporationInventor: Nicholas H. Des Champs
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Publication number: 20060218790Abstract: An electromagnet and associated apparatus and method are provided. The electromagnet includes a core and at least one winding disposed circumferentially about the core such that the winding extends at least one revolution around the core. The electromagnet further includes at least one spacer having channels defined therein and disposed circumferentially about the core and adjacent to the at least one winding. The channels facilitate cooling by directing fluid about the windings of the coil as fluid is introduced into the electromagnet.Type: ApplicationFiled: June 16, 2006Publication date: October 5, 2006Inventors: Arthur Day, Philip Johnson, B. Stanley
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Publication number: 20060201184Abstract: The indoor unit of an air conditioner includes a main body, a front panel and a design panel. The front panel is opaque and is integrally molded with a mounting portion. The design panel is transparent and is attached to the front panel. In addition, the design panel is provided with a design layer on a reverse side surface thereof.Type: ApplicationFiled: August 18, 2004Publication date: September 14, 2006Inventors: Mikio Ito, Yasuyo Kawakami
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Publication number: 20060196050Abstract: A manufacturing method for a cooling unit that includes a cooling plate in which a cooling fluid flows, the cooling plate having a cooling pipe through which the cooling fluid flows, and a pair of tabular members arranged to be opposed to each other across the cooling pipe, the manufacturing method for a cooling unit includes: forming a groove in which the cooling pipe is housed at least in one opposed surface of the pair of tabular members; combining the pair of tabular members while housing the cooling pipe in the groove; and filling a heat conduction material in a gap between the groove and the cooling pipe.Type: ApplicationFiled: February 23, 2006Publication date: September 7, 2006Applicant: SEIKO EPSON CORPORATIONInventors: Motoyuki Fujimori, Satoshi Kinoshita, Makoto Zakoji
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Publication number: 20050268464Abstract: A cooling jacket assembly is made for an electric motor or generator. A hollow cylindrical housing is cast with an outer peripheral surface and an annular axially facing end surface, a plurality of grooves formed in the outer peripheral surface and a radial lip at one end. The outer peripheral surface is machined into a smooth surface having a uniform diameter. Inlet and outlet ports are drilled through the end surface to communicate with the grooves. A pair of sealing recesses are formed in the outer peripheral surface on opposite sides of the grooves, and an O-ring seal is placed in each recess. A cylindrical sleeve is slid over the outer peripheral surface of the housing until it engages the lip and so that the sleeve slidably engages the outer peripheral surface and sealing engages the seals.Type: ApplicationFiled: June 4, 2004Publication date: December 8, 2005Inventors: Roger Burjes, Daryl Brown
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Publication number: 20050262864Abstract: A heat exchanger including a header having a plurality of header openings with rigid tubes that may be made of plastic are inserted in the openings. The tubes are sealed to the header to prevent leakage between the header and the tubes to prevent water and air leakage between the wet, scavenger air stream flowing through the tubes and a dry air stream flowing around the tubes. A method of making the heat exchanger includes providing the openings with a flange and uses an interference fit between the rigid heat exchange tubes and the header openings. A self-leveling sealant may be used to seal the heat exchanger tubes to the header using, for example, a paint roller and/or a paint sprayer.Type: ApplicationFiled: May 26, 2004Publication date: December 1, 2005Applicant: ENTRODYNE CORPORATION dba DES CHAMPS TECHNOLOGIESInventor: Nicholas Des Champs
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Publication number: 20050178004Abstract: A heat absorber is constructed to have a heat-absorber plate and a liquid cooled tube, the liquid cooled tube being curved circuitously on a common plane that is closely attached to the top surface of the heat-absorber plate, and then welded to the top surface of the heat-absorber plate. By means of the design of the liquid cooled tube, heat-transfer fluid can flow through the liquid cooled tube, and no additional sealing gasket is necessary to prevent leakage.Type: ApplicationFiled: June 15, 2004Publication date: August 18, 2005Applicant: Forward Electronics Co., Ltd.Inventors: Jung Huang, Chih Huang
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Publication number: 20050138807Abstract: An evaporator manufacturing method includes providing cooling fins each formed with a pair of coolant tube accommodation parts, and expanding a first coolant tube and a second coolant tube after inserting the first coolant tube and the second coolant tube into the coolant tube accommodation parts of the plurality of cooling fins; providing a first jig and a second jig at different levels to bend the expanded first coolant tube and the expanded second coolant tube; bending the first coolant tube around the first jig alternately to form several horizontal parts spaced apart from each other along a vertical direction, and at the same time bending the second coolant tube around the second jig alternately to form several second horizontal parts spaced apart from each other along the vertical direction so that the second horizontal parts are positioned to the rear of spaces between the respective first horizontal parts; and connecting the first coolant tube and the second coolant tube.Type: ApplicationFiled: April 9, 2004Publication date: June 30, 2005Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jin-ho Kim, Eui-young Chang
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Patent number: 6907663Abstract: Disclosed is a refrigerator comprising an outer casing defining an outer appearance thereof, and an inner casing accommodated in the outer casing, forming a storage chamber, further comprising a heat pipe unit having an evaporator pipe disposed to surround at least one portion of the inner casing, forming a refrigerant path, a heater pipe disposed in parallel with the evaporator pipe, and a connection part connecting the evaporator pipe and the heater pipe, enabling a heat transfer therebetween. With this configuration, there is provided a refrigerator enhancing cooling, ripeness and defrost performances and the productivity.Type: GrantFiled: March 1, 2001Date of Patent: June 21, 2005Assignee: Samsung Electronics Co., LTDInventors: Kwon-cheol Yoon, Sak-hang Park
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Patent number: 6877224Abstract: A system to construct a manifold from an original material. A first progressive die implements a first set of stamping stages on the original material to generate a shaped material. A second die implements at least one of a second set of stamping stages on the shaped material to generate a finished manifold. The second die is physically separate from the first die.Type: GrantFiled: January 13, 2003Date of Patent: April 12, 2005Assignee: Newfield Technology CorporationInventor: Minoru Nitta
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Patent number: 6864572Abstract: A heat sink base (10) includes a rectangular body (11) made of aluminum and a circular core (12) made of copper. The body defines a circular through opening (111). A diameter of the opening is slightly less than a diameter of the core. The core is attached within the body according to the following steps: a) pressing the core into the through opening of the body; b) stamping the core to cause it to plastically deform in radial directions and thereby become firmly combined with the body; and c) removing any burring of the core flowing out from the opening such that surfaces of the core and the body are coplanarly smooth.Type: GrantFiled: August 24, 2001Date of Patent: March 8, 2005Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Cheng Chi Lee, Xue Jin Fu, Zheng Liang Liu, Wen Qiu Deng
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Patent number: 6851171Abstract: A multi-channel device fabrication process and multi-channel devices made therefrom wherein two ribbons of sheet material edge webs and, optionally, additional webs and/or support members are secured to a ribbon of sheet material base web. The resulting partial laminate is separated into subassemblies, each subassembly comprising a base and two edge strips and, optionally, additional strips which cooperate to define a plurality of open channels with, optionally, support members. A plurality of subassemblies may stacked together with an end plate to form a complete stack, the edges of each subassembly being attached together to form a complete unit. One or more headers or manifolds may be attached to the outside of the complete unit to provide combined fluid inlet to, and egress from, the unit.Type: GrantFiled: November 27, 2002Date of Patent: February 8, 2005Assignee: Battelle Memorial InstituteInventor: Stephen C. Schmitt
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Patent number: 6822867Abstract: A electronic device and method for extracting heat from a heat producing component having front and back sides, the front side is disposed across from the back side, and the front side is attached to a substrate including multiple holes. A thermal interface material is disposed over the back side of the heat producing component. A heat sink including multiple pins corresponding to the multiple holes in the substrate is disposed over the thermal interface material such that the pins are disposed through the holes. The thermal interface material melts and wets to form a thermal coupling between the back side and the heat sink when passed over pre-heaters of a wave soldering machine. Further, the pins are soldered to form solder joints between the respective pins and the substrate when passed over a solder wave in the wave soldering machine to lock-in the thermal coupling formed during the preheating of the thermal interface material to provide a low-cost thermal solution.Type: GrantFiled: June 29, 2001Date of Patent: November 23, 2004Assignee: Intel CorporationInventor: George Hsieh
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Publication number: 20040035554Abstract: 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 plurality of second slits disposed transversely to the heat receiving face. These slits form a plurality of pillar-type protrusions functioning as fins for cooling. At least one of cross sections of the column has a shape of a rectangle, a trapezoid, a triangle or a shape which tapers off as it goes away at right angle from the heat receiving face. A method of manufacturing the heatsink of the present invention includes first and second processes. In the first process, the first slits are formed by providing a plurality of metallic plate fins on the column along its length by the methods including the extrusion molding using a metallic mold.Type: ApplicationFiled: August 5, 2003Publication date: February 26, 2004Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Kaoru Sato, Yasuhiro Fujiwara, Seiji Manabe, Shinobu Kamizuru
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Publication number: 20040031588Abstract: A heat sink 28 is provided for removing heat from a component 30 on a circuit board 22. The heat sink 28 includes a base 12 having a top 14, a bottom 16, and opposing sides 18 and 20. The top is generally planar for being adhered to a circuit board. Each of the opposing sides has a cutout defining a stepped shoulder 26. The heat sink also includes a plurality of fins 24 extending from the bottom of the base. Locating structure 50 is provided on the top of the heat sink for locating the heat sink with respect to the circuit board 22. Since the heat sink can be glued to the circuit board, a common heat sink can be used for any power electronics component.Type: ApplicationFiled: June 6, 2003Publication date: February 19, 2004Applicant: Siemens VDO Automotive Inc.Inventor: John Makaran
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Publication number: 20030121149Abstract: A food counter useful in displaying ready-to-eat foods is constructed to have a chilled top for providing an aesthetic frost layer and for maintaining the food products at a desired temperature. Removable barriers and fixtures are used during pouring procedure using liquid mastic and removed once the mastic has cured, thus eliminating the need for costly metal forming of the counter. Fabricating one food counter includes providing a planar member having an opening therein sized for receiving a food receptacle, securing a fixture to the member for a masking the opening, placing a refrigeration line proximate a lower surface of the top member sufficient for frosting the upper surface thereof during refrigerant fluid flow through the line, applying a thermally resistant material onto the lower surface for covering the refrigerating line, and removing the fixture prior to assembling the member with a pan assembly.Type: ApplicationFiled: November 25, 2002Publication date: July 3, 2003Inventors: Timothy G. Lauer, Dennis E. Finegan, Brad Bonner
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Publication number: 20030084570Abstract: An apparatus and method of forming serpentine heat exchanger coils from spine fin tubing involves applying spine fins to a tube while simultaneously forming the tube into a serpentine shape. The bending and fin wrapping occurs while a feed roll continues paying out the tube without interruption. Multiple bends can be made simultaneously.Type: ApplicationFiled: November 2, 2001Publication date: May 8, 2003Inventor: Danny D. Beaver
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Patent number: 6488080Abstract: An integrated refrigerator evaporator having a plurality of pipes and fins is manufactured by injection molding with plastics. According to the present invention, pipes and fins are molded by plastic plates, and a heat exchanger is formed by molding the pipes and fins into a series of “S” shapes. A first bending section formed by the heat exchanger, which is molded in a series of “S” shapes, is inserted into a mold main body to manufacture a header cap. A first header cap is manufactured by injected melted plastic material body into the mold main body under the state of covering the mold main body with a mold cap. The first header cap is engaged with a first header main body having a refrigerant inlet and outlet. The refrigerator evaporator according to the present invention results in a relatively lower product cost than the evaporator composed of a metal substance, as well as a high recyclability.Type: GrantFiled: December 4, 2000Date of Patent: December 3, 2002Assignee: LG Electronics Inc.Inventors: Tae Hee Lee, Jang Seok Lee, Sang Wook Lee, Se Yoon Oh
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Patent number: 6464313Abstract: A heat insulation box body includes inner and outer boxes forming a shell of the heat insulation box body and triangular structural materials inserted in the shell held by close-contact by means of a vacuum. Further, at the time of disassembling the heat insulation box body after scrapping, a shell surface is cut and air is introduced into the inside of the shell to return the state of the shell to an atmospheric pressure state and then respective members are separated from each other.Type: GrantFiled: August 10, 2001Date of Patent: October 15, 2002Assignee: Mitsubishi Denki Kabushiki KaishaInventor: Yoshio Nishimoto
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Patent number: 6397450Abstract: A heat exchanger and method for cooling power electronics modules. The power electronics module transferring heat generated during operation to the heat exchanger through a thermal base of the power module. The heat exchanger being directly bonded to the thermal base and comprising a metal foam. The metal foam having a network of metal ligaments forming numerous open cells to provide porosity. The metal ligaments are aligned to provide a higher metal density in cross-sectional planes of the foam perpendicular to the intended direction of heat flow.Type: GrantFiled: May 12, 2000Date of Patent: June 4, 2002Assignee: Intersil Americas Inc.Inventor: Burhan Ozmat
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Patent number: 6392888Abstract: A heat dissipation assembly comprises a printed circuit board (PCB) (20), a chip (30) and a heat sink (10). The PCB comprises a grounding circuit and four through apertures (22) in the grounding circuit. The chip is mounted on the PCB, and is surrounded by the through apertures. The heat sink has four metal columns (16) depending from a bottom surface of a base (12) thereof, the columns corresponding to the four through apertures. A method of assembling the heat dissipation assembly includes the steps of: mounting a chip on a PCB; inserting metal columns of a heat sink into corresponding through apertures of the PCB; and welding the metal columns in the through apertures so that the heat sink is in intimate thermal contact with an upper surface of the chip.Type: GrantFiled: December 20, 2000Date of Patent: May 21, 2002Assignee: Foxconn Precision Components Co., Ltd.Inventors: Yung Chou Chen, Che Cheng Lin, Hsueh Sheng Hsiao
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Publication number: 20020056196Abstract: Indoor air conditioner units are manufactured by pre-assembling evaporators and supplying the evaporators to a plurality of unit assembling stations, whereby at each unit assembling station, the evaporators are assembled with other air conditioner elements to form finished indoor air conditioner units. The evaporators can be assembled at an evaporator assembling station which supplies all of the unit assembling stations with evaporators. Alternatively, the evaporators can be assembled at each of the unit assembling stations.Type: ApplicationFiled: January 7, 2002Publication date: May 16, 2002Inventors: Jae-Jin Cha, Doo-Nam Myung
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Patent number: 6374492Abstract: An assembly system and method thereof for manufacturing an outdoor unit of a dual-unit type air conditioner employs an assembly system in which the outdoor unit is assembled, a refrigerant charging section in which the assembled outdoor unit is charged with a refrigerant, a testing section in which the outdoor unit charged with the refrigerant is tested, and a packaging section in which the outdoor unit after passing the test in the testing section is packaged and forwarded. The outdoor unit is carried on a mobile cart through the assembly section, the refrigerant charging section, and the testing section.Type: GrantFiled: September 4, 2001Date of Patent: April 23, 2002Assignee: Samsung Electronics Co., Ltd.Inventors: Doo-nam Myung, Hong-rae Kim
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Publication number: 20020029475Abstract: An assembly system and method thereof for manufacturing an outdoor unit of a dual-unit type air conditioner employs an assembly system in which the outdoor unit is assembled, a refrigerant charging section in which the assembled outdoor unit is charged with a refrigerant, a testing section in which the outdoor unit charged with the refrigerant is tested, and a packaging section in which the outdoor unit after passing the test in the testing section is packaged and forwarded. The outdoor unit is carried on a mobile cart through the assembly section, the refrigerant charging section, and the testing section.Type: ApplicationFiled: September 4, 2001Publication date: March 14, 2002Inventors: Doo-nam Myung, Hong-rae Kim
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Patent number: 6343416Abstract: A method of preparing a heat exchanger provides a first surface(s) for contacting a first fluid and a second surface(s) for contacting a second fluid in order to exchange heat between the first and second fluids. At least one of the first and second surfaces has been exposed to shot from a shot blast machine in order to create pits and bumps in that surface. The pits and bumps create a more efficient heat transfer between the fluids.Type: GrantFiled: February 4, 2000Date of Patent: February 5, 2002Assignee: Hoshizaki America, Inc.Inventors: Kristopher T. Miller, Hiroyuki Sugie
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Patent number: 6301776Abstract: An assembly system and method thereof for manufacturing an outdoor unit of a dual-unit type air conditioner employs an assembly system in which the outdoor unit is assembled, a refrigerant charging section in which the assembled outdoor unit is charged with a refrigerant, a testing section in which the outdoor unit charged with the refrigerant is tested, and a packaging section in which the outdoor unit after passing the test in the testing section is packaged and forwarded. The outdoor unit is carried on a mobile cart through the assembly section, the refrigerant charging section, and the testing section.Type: GrantFiled: March 3, 1999Date of Patent: October 16, 2001Assignee: Samsung Electronics Co., Ltd.Inventors: Doo-nam Myung, Hong-rae Kim
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Publication number: 20010013408Abstract: Disclosed an integrated refrigerator evaporator having a plurality of pipes and fins which is manufactured by injection molding with plastics. According to the present invention, pipes and fins are molded by means of at least one plastic plates, and a heat exchanger is formed by molding the pipes and fins in a series of “S” shape. A first bending section formed by the heat exchanger, which is molded in a series of “S” shape, is inserted into a mold main body to manufacture a header cap. A first header cap is manufactured by injecting melted plastic material body into the mold main body under the state of covering a mold cap. The first header cap is engaged with a first header main body comprising the first header cap and the refrigerant inlet and outlet. The refrigerator evaporator according to the present invention results in a relatively lower product cost than the evaporator composed of a metal substance as well as a high recyclability.Type: ApplicationFiled: December 4, 2000Publication date: August 16, 2001Inventors: Tae Hee Lee, Jang Seok Lee, Sang Wook Lee, Se Yoon Oh
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Patent number: 6266879Abstract: A container having a container body, a thermic module at one end of the body, and a closure at the other end of the body initiates an internal exothermic (or, alternatively, endothermic) chemical reaction to heat its contents when auser actuates the thermic module. A plastic thermic module body is spin-welded to a plastic container body by rotating one relative to and in contact with the other. The container body has multiple layers, including an inner layer such as a so-called oxygen barrier layer that inhibits oxidation and spoilage of the contents, and spin-welding the container body to the module body seals the otherwise-exposed oxygen barrier layer against air or moisture intrusion. The container includes a rotatable cover adhered to the container end over the closure with heat-sensitive adhesive that prevents a user from accessing the contents until a certain temperature is reached.Type: GrantFiled: August 26, 1999Date of Patent: July 31, 2001Assignee: Ontro, Inc.Inventors: James A. Scudder, James L. Berntsen, William B. Farnham, Dan Gibbs, Ann T. Davern, Jerine J. Rosato, Michael S. Slocum
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Patent number: 6260271Abstract: A tubular body having integral branch tubes for use in a distribution tank of a car air conditioner and a method for producing such tubular body. The tubular body is produced almost solely by a deformation process. The process for forming the tubular body includes a swelling step for swelling the sheet metal at predetermined positions to create cylindrically swelled portions by several stages, a boring step for boring the top end of the swelled portion to create branch tubes, a channel creating step for creating mating channel throughout the whole length of the sheet metal, a rounding step for rounding the sheet metal to form a tube having a desired sectional shape, and a mating step for mating the end of the rounded sheet metal with the mating channel. The production process further includes a divider creating step for dividing the space in the tubular body into a plurality of compartments by squeezing the tubular body.Type: GrantFiled: April 30, 1999Date of Patent: July 17, 2001Inventor: Toshiomi Hayashi
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Patent number: 6247318Abstract: An evaporator device for an ice maker with a grid of ice cells in horizontal rows and vertical columns. The grid is formed by a plurality of vertical integral structures interleaved with a plurality of vertical partitions. Each vertical structure is shaped to form the tops, bottoms and backs of the ice cells of a column. The sides of the ice cells of a column are formed by the vertical partitions to the right and left of a vertical structure. An evaporator tube threads bores and holes in the vertical structures and the vertical structures. The evaporator tube is expanded to mechanically bond the evaporator tube with the vertical structures and the vertical partitions.Type: GrantFiled: November 2, 1999Date of Patent: June 19, 2001Assignee: Mile High Equipment Co.Inventors: Gerald J. Stensrud, Gerald E. Gregory
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Patent number: 6206633Abstract: A blower unit includes a case divided into an upper case portion having an air introduction port, a lower case portion for accommodating a fan, and a bell-mouth portion interposed between the upper and lower case portion portions. An air leading port is provided in the bell-mouth portion, so that air sucked from the air introduction port is introduced to the fan through the air leading port. An attachment boss portion onto which a motor is attached is formed to protrude from an outer wall surface of the upper case portion. Air blown by the fan flows through a duct which is divided into a first member integrated with the bell mouth portion and a second member integrated with the lower case portion. The first member extends from the bell mouth portion obliquely to cover the attachment portion, and the second member extends from the lower case portion in the same direction as the first member to be engaged with the first member.Type: GrantFiled: June 23, 1999Date of Patent: March 27, 2001Assignee: Denso CorporationInventors: Takeshi Nakamura, Tatsuo Tsunooka, Hiroshi Kanda, Nobuyasu Naito
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Patent number: 6199261Abstract: A pressure vessel suitable for use in an automotive air-conditioning system includes a cylindrical body (10, 40) including an annular wall (14, 44). The cylindrical body preferably includes an opposite closed end, an initially opened end (12, 42), and a closure member (20, 50) inserted into the open end of the cylindrical body. The closure member and the cylindrical body each have extensions or annular flanges (28, 58) which are spin welded together. The cylindrical body is fused to the closure member when the annular flange (28, 58) of the closure member is spin welded to an annular, outermost portion (18, 48) of the cylindrical body. The closure member and the cylindrical body are further locked together by inwardly rolling a portion of the annular wall into an annular groove (30, 60) and an outermost surface of the closure member.Type: GrantFiled: November 12, 1998Date of Patent: March 13, 2001Assignee: Automotive Fluid Systems, Inc.Inventor: Robert J. Slais
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Patent number: 6189213Abstract: The present invention relates to a cooling unit for electronic devices wherein the manufacturing method comprises the steps of: (a) preparing a plate-type metal block for removing heat generated from an electronic component, the metal block having holes in the thickness part of the metal block and having convex portions formed on one main surface or both main surfaces of the metal block; (b) inserting heat pipes into the holes; and (c) applying a local and two-dimensional force from the surface of the metal block to the convex portions to make the surface flat bringing the outer surface of each heat pipe into close contact with the inner wall of each hole in the metal block.Type: GrantFiled: July 16, 1999Date of Patent: February 20, 2001Assignee: Furukawa Electric Co., Ltd.Inventors: Yuichi Kimura, Masaaki Yamamoto, Suemi Tanaka