Patents Examined by L. R. Leo
  • Patent number: 5341872
    Abstract: A heat exchanger manifold comprises a tubular manifold, and a plurality of heat exchange tubes connected thereto, the manifold comprising a header part in the form of an elongate member defining a plurality of apertures therein, into which end portions of heat exchanger tubes extend, and a tank part comprising an elongate member which is non-unitarily formed with said header part, and defines a tubular housing with said header part and is joined thereto at longtiduinal engagement surfaces, the said manifold further comprising a plurality of plate-shaped baffles, and an elongate locating rail fitted within said housing and supporting said baffles transversely in said tubular housing.
    Type: Grant
    Filed: May 19, 1993
    Date of Patent: August 30, 1994
    Assignee: Valeo Engine Cooling Inc.
    Inventor: Carlo V. Mercurio
  • Patent number: 5339892
    Abstract: The present invention provides a heat exchanger member adapted to extract or impart thermal energy from or to a body, which member comprises:a. a substantially solid core member having bores therethrough through which heat exchange medium can flow; andb. an outer cladding of stainless steel over at least those areas of the member to be in direct contact with the body.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: August 23, 1994
    Assignee: APV Corporation Limited
    Inventor: Brian Clifton
  • Patent number: 5335721
    Abstract: The present invention is an air conditioner with tangential blowers having a removable air handling module. The air conditioner housing includes indoor and outdoor heat exchangers between which the air handling module is disposed. The module is easily inserted or removed from the air conditioner housing because the module is self contained and the air conditioner housing has ample access space. The module includes two tangential blowers disposed between opposite sidewalls which are arranged to draw air through the indoor and outdoor heat exchangers. On one sidewall, a motor is mounted which is drivingly connected to the tangential blowers. The other sidewall includes an opening covered by a removable panel which provides access to the blowers in the interior of the module.
    Type: Grant
    Filed: May 22, 1992
    Date of Patent: August 9, 1994
    Assignee: Inter-City Products Corporation (USA)
    Inventors: Bruce A. Wollaber, Richard DeVos
  • Patent number: 5333681
    Abstract: The invention relates to a plate-type heat exchanger comprising a stack (1) of plates (2) for heat exchange between fluids which circulate between each other, said stack being placed within a pressure vessel (3). The invention is characterized in that it comprises rigid means for suspension of said stack (1) from said vessel (3) at the level of at least a first collector circuit which comprises a first connecting box (21; 23) at the upper end of the stack (1) and guides a first of said fluids between said end and the exterior of the vessel (3).
    Type: Grant
    Filed: October 20, 1992
    Date of Patent: August 2, 1994
    Assignee: Packinox SA
    Inventors: Claude Jullien, Yves Couillard
  • Patent number: 5332033
    Abstract: Spent surface finishing compound is filtered and cooled or heated for reuse in a machine finishing process. The spent finishing compound is filtered through a pleated polyester or polypropylene wound filter cartridge to remove particles of a predetermined size ranging from about 0.5 to 100 microns. The surface finishing compound circulates through an in-line, constant flow intercooler having a chamber for receiving and maintaining the finishing compound in a spiral circulation. The surface finishing compound circulates about cooling tubes positioned within the chamber. Heat is exchanged between the circulating water within the cooling tubes and the surface finishing compound.
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: July 26, 1994
    Inventor: George L. Metzger
  • Patent number: 5329997
    Abstract: A heat exchanger (1) with at least one heat-exchange tube (11) which is held at the end in an end piece (3) such that the joint is liquid- and gas-tight. The end piece (3) has an opening for each tube to which it is connected, allowing the heat-exchange fluid to pass through from the tube (11) into a conduit box and in the opposite direction, a sleeve-like connection socket (8) being located in the region of each opening. The connection socket (8) comprises a cylindrical slot (9) coaxial to the opening and open at the heat-exchange tube end, forming an inner (14) and outer (15) annular wall. The end of the heat-exchange tube (11) is pushed into the slot. A section of the outer annular wall (15) adjacent to the heat-exchange block is longer than the corresponding section of the inner annular wall (14).
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: July 19, 1994
    Assignee: Behr GmbH & Co.
    Inventors: Juergen Bayer, Dieter Engelhardt, Prasanta Halder
  • Patent number: 5329992
    Abstract: The invention provides a prefabricated ground coil assembly comprising headers and a plurality of flexible elongate coil elements, the ground coil being completely assembled ready for use and shipped as a compact annular package whose axial length is equal to the sum of the diameters of the pipe elements.
    Type: Grant
    Filed: February 16, 1993
    Date of Patent: July 19, 1994
    Inventor: Benjamin A. Tripp
  • Patent number: 5329995
    Abstract: A heat exchanger in which a header and tank construction comprises separate header and tank portions which are used in combination to form a heat exchanger unit. End caps for the header and tank construction and baffles to form partitions or chambers within the header and tank construction are inserted in grooves formed in the separate header and/or tank portion(s). The heat exchanger assembly comprises spaced combined header and tank constructions between which extend a plurality of tubes which are inserted in slots in the header portions. An area of the header portion can have a plurality of center portions and slots between adjacent center portions for the tubular elements. The apexes of each center portion between the tubular element slots have a flattened area and there are side portions running downward from the center portion apex flats which also are substantially flattened.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: July 19, 1994
    Assignee: Valeo Engine Cooling Incorporated
    Inventors: LaVoyce Dey, Sigurd Case
  • Patent number: 5329436
    Abstract: A heat sink assembly for quickly coupling and uncoupling to an arc lamp package includes a front heat sink and a rear heat sink coupled by insulators. Both of the heat sinks and the insulators are longitudinally split. One insulator is provided with hinges and the other with a latching device so that the heat sink assembly can be opened and clamped closed easily. The interior of the heat sinks are profiled to conform to a known lamp package but with a slightly smaller diameter. The rear heat sink is preferably provided with a hole for the lamp package's locating pin and the front heat sink is provided with a light exit port. Rectangular and cylindrical embodiments of the invention are disclosed. In the rectangular embodiment, the cooling fins can be arranged either horizontally or vertically. A lever latching device and a knob latching device are also disclosed. When the latching device is unlocked, the heat sink assembly can be opened like a book and the lamp package installed in its profiled recesses.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: July 12, 1994
    Inventor: David Chiu
  • Patent number: 5327959
    Abstract: The use of relatively heavy, large profile headers in a heat exchanger are avoided through a header construction wherein headers (20, 22) are formed of header plates (34) tapped with tank plates (36) having a concave surface (38) facing the header plate (34). The header plates (34) include a plurality of flanges (82) directed away from the tank plates (36) surrounding elongated slots (48). Each of the flanges (82) includes a pilot surface (80) extending about the associated slot (48) for receiving the end (90) of a flattened tube (20). The construction prevents the ends (90) of the tubes (28) from entering the header chambers (42) to a location whereat they could disrupt the flow of a heat exchange fluid therein to prevent uniform distribution of the same throughout the associated header (20, 22).
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: July 12, 1994
    Assignee: Modine Manufacturing Company
    Inventors: Z. Philip Saperstein, Gregory G. Hughes, Dan R. DeRosia, Dennis G. Granetzke
  • Patent number: 5323848
    Abstract: A heat exchanger comprises a bundle of tubes opening at the bottom into a fluid header extending transversely and secured through a pair of side support structures to an upper fluid header. Each side support structure extends along a flank of the tube bundle, and has a lower portion in the form of a fastening lug formed with fastening holes for securing to the lower header at different levels, so that heat exchangers of different lengths can be made using the same headers and side support structure. This fastening lug is offset away from the flank of the tube bundle so as to accommodate a header having a length longer than the width of the tube bundle, and baffles are cut out in the fastening lug so that they can be bent towards the tube bundle where appropriate in order to form a barrier to the passage of air between the tubes and the lug if a fastening position other than that furthest away from the lower end of the support structure is chosen.
    Type: Grant
    Filed: April 22, 1993
    Date of Patent: June 28, 1994
    Assignee: Valeo Thermique Moteur
    Inventors: Jean-Claude Naty, Jean-Francois Iem
  • Patent number: 5322116
    Abstract: 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 separating the high and low temperature fluid flow regions is comprised of a material having high thermal absorptivity, conductivity and emissivity to provide a high rate of heat transfer between the two regions. A porous ceramic foam material occupies a substantial portion of the annular lower temperature fluid flow region, and is positioned to receive radiated heat from the wall. The porosity of the ceramic foam material is sufficient to permit a predetermined relatively unrestricted flow rate of fluid through the lower temperature fluid flow region.
    Type: Grant
    Filed: August 16, 1993
    Date of Patent: June 21, 1994
    Assignee: Synthetica Technologies, Inc.
    Inventors: Terry R. Galloway, Anthony J. G. Bowles
  • Patent number: 5322115
    Abstract: A heat exchanger is connected via an insulated flow pipe (26) to a pump (28) arranged in a borehole. The flow pipe and the pump are surrounded in the borehole by a protective tube (34) open at the bottom adjacent to a return region (38) which extends radially outward to the wall of the borehole. The return region communicates with the interior of the protective tube. A return line (42) from the energy exchanger contains at least one return pipe (40) which extends approximately to the bottom of the borehole and is subdivided along its length by a plurality of transverse plugs (44). At the transverse plugs, the return water flows through passages arranged on either side of the transverse plugs and penetrates the porous filling (48) surrounding the return pipe. After the transverse plugs, the return water flows out of the porous filling and back through the passages into the return pipe.
    Type: Grant
    Filed: March 8, 1990
    Date of Patent: June 21, 1994
    Inventor: Hans Hildebrand
  • Patent number: 5318111
    Abstract: A heat exchanger (10) for an automotive vehicle includes a pair of manifolds (12, 14) each including a header portion (24) and a tank portion (26). The tank portion (26) includes a predetermined number of generally horizontal rib portions (30) formed therein at predetermined positions. The heat exchanger (10) further includes a plurality of tubular elements (16) disposed in spaced, substantially parallel relation and which define flow paths for the coolant between the manifolds (12, 14). At least one of the tubular elements (32) has a length greater than an adjacent tubular element (16) and extends through the header portion into mating engagement with the rib portion (30) of the tank (26) of one of the manifolds to form baffle means (36) for preventing the flow of coolant therepast.
    Type: Grant
    Filed: June 22, 1993
    Date of Patent: June 7, 1994
    Assignee: Ford Motor Company
    Inventors: Darryl L. Young, Gary J. Blankenberger
  • Patent number: 5318110
    Abstract: Spacer supports are connected to a matrix of heat exchange tubes of a heat exchanger to maintain the heat exchange tubes in spaced relation and resist overheating by hot fluid flowing around the tubes and the spacer supports. The spacer supports are in the form of hollow tubular bodies in which the heat exchange tubes are supported in spaced relation. The heat exchange tubes communicate with the interior of the hollow bodies so that flow of a heatable fluid in the heat exchange tubes is conveyed through the hollow body to wet the interior thereof and cool the same.
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: June 7, 1994
    Assignee: MTU Motoren-Und Turbinen-Union Munchen GmbH
    Inventor: William Wei
  • Patent number: 5316079
    Abstract: An integrated heat exchanger includes a first heat exchange core adapted for cooling a first heat exchange fluid and a second heat exchange core adapted for cooling a second heat exchange fluid. A first pair of fluid manifolds supports the first and second heat exchange cores and communicates with the first heat exchange core to allow the first heat exchange fluid to pass between the first pair of fluid manifolds and the first heat exchange core. A second pair of fluid manifolds supports the first and second heat exchange cores and communicates with the second heat exchange core to allow the second heat exchange fluid to pass between the second pair of fluid manifolds and the second heat exchange core. The first and second pairs of fluid manifolds form a quadrilateral support structure with each fluid manifold forming a side of the support structure.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: May 31, 1994
    Assignee: Paccar Inc
    Inventor: Randall E. Hedeen
  • Patent number: 5316080
    Abstract: Gas derived graphite fibers generated by the decomposition of an organic gas are joined with a suitable binder. This produces a high thermal conductivity composite material which passively conducts heat from a source, such as a semiconductor, to a heat sink.The fibers may be intercalated. The intercalate can be halogen or halide salt, alkaline metal, or any other species which contributes to the electrical conductivity improvement of the graphite fiber.The fibers are bundled and joined with a suitable binder to form a high thermal conductivity composite material device. The heat transfer device may also be made of intercalated highly oriented pyrolytic graphite and machined, rather than made of fibers.
    Type: Grant
    Filed: February 10, 1993
    Date of Patent: May 31, 1994
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics & Space Administration
    Inventors: Bruce A. Banks, James R. Gaier
  • Patent number: 5314021
    Abstract: A heat exchanger comprises a bundle of parallel tubes disposed in ranges and having respective end portions, each of which is received in a collecting plate which is formed with holes. These holes may be bounded by lips. Each hole in the collecting plate receives the respective end portions of a pair of adjacent tubes forming part of different ranges of the tube bundle. These ranges are arranged back-to-back, but leaving at each side of the interface between the tubes a small free space within the hole of the collecting plate. A pair of opposed beak-like projections are formed on the edge of each hole so as to fill this free space. The pitch defined between two tubes in two adjacent ranges is reduced to a minimal value so as to optimize the performance of the heat exchanger, with a minimal width of the collecting plate.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: May 24, 1994
    Assignee: Valeo Thermique Moteur
    Inventors: Michel Potier, Philippe Le Gauyer
  • Patent number: 5311935
    Abstract: A corrugated fin type heater core includes an inlet tank, an outlet tank, tubes and a corrugated fin. The corrugated fin has a cross section elongated in a direction parallel to the direction in which air flows to a region where heat exchange takes place. The corrugated fin is brazed to the tubes and has a multiplicity of louvers angled in the direction in which the air is introduced. The corrugated fin has a height Hf within the range of between 2.5 mm and 6.0 mm.
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: May 17, 1994
    Assignee: Nippondenso Co., Ltd.
    Inventors: Michiyasu Yamamoto, Mikio Fukuoka
  • Patent number: 5311929
    Abstract: A heat exchanger for mixtures of air and solid particles, particularly for woodworking shops, poultry farms and industrial environments of the like. The heat exchanger comprises a bank of staggered tubes through which warm air is exhausted, a casing with baffles enclosing the bank of tubes such that fresh air is forced between tubes in two or more successive passes, a series of cone-scrapper assemblies equally spaced on a rod inside each tube, and a pull frame connecting all rods, for reciprocating all scrapers in harmony.
    Type: Grant
    Filed: July 20, 1993
    Date of Patent: May 17, 1994
    Inventor: Normand Verret