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| Number | Title | Issue Date |
| 5964281 | Heat exchanger with adapter The lack of flexibility in selecting locations for inlets or outlets or crossovers for a heat exchange fluid in a heat exchanger can be minimized in a heat exchanger construction including first and second spaced, generally parallel, tubular headers (10),... | 10/12/1999 |
| 5964282 | Stepped dimpled mounting brackets for heat exchangers A mounting or end bracket is disclosed for producing plate and fin heat exchangers of the type having a plurality of stacked, hollow plate pairs or tubes including mating end bosses having communicating openings formed therein to form a manifold for the f... | 10/12/1999 |
| 5956846 | Method and apparatus for controlled atmosphere brazing of unwelded tubes A heat exchanger assembly with a first header, a second header, a plurality of seamed or folded type heat exchanger tubes extending between the two headers, and a plurality of heat exchanger fins. Each of the plurality of fins has between 0.01% and 0.9% m... | 09/28/1999 |
| 5947196 | Heat exchanger having manifold formed of stamped sheet material A heat exchanger includes a pair of manifolds, each of which has a plurality of axially spaced oblong slots. A plurality of generally flat tubes extends between the manifolds and individually through the slots for providing fluid communication between the... | 09/07/1999 |
| 5947190 | Heater core mounting structure A heater core mounting structure 20 for mounting any one of multiple stacked-plate heater cores 3A of different thickness in a heater case 2 without modification of the heater case 2 comprises a spacer 21 provided with engagement portions 26 configured to... | 09/07/1999 |
| 5937935 | Heat exchanger and method of making the same A method for forming a heat exchanger is disclosed. The method includes the steps of forming a plurality of generally planar plate members from a sheet of material, each of the plate members being connected to an adjacent plate member by a deformable link... | 08/17/1999 |
| 5934365 | Heat exchanger A heat exchanger having a plurality of elongated, generally flat tubes is disclosed, each tube including a planar base, a top, and pair of arcuate opposed side portions interposed between the base and the top is disclosed. A partition extends from the top... | 08/10/1999 |
| 5934367 | Heat exchanger A two path flow, laminated-type heat exchanger for an automotive refrigerant circuit includes a plurality of heat transfer tubes, a plurality of fins, and a tank. The tank is divided into three chambers. The second and third chambers are in fluid communic... | 08/10/1999 |
| 5931224 | Heat exchanger of the stacked plate type, in particular an evaporator for an air conditioning circuit A heat exchanger for use as an evaporator in a motor vehicle air conditioning system comprises a multiplicity of plates stacked in pairs and defining within each pair a flow chamber for a first fluid. Between each pair of plates and the next is a flow pas... | 08/03/1999 |
| 5931221 | Heat exchanger In order to achieve an improvement in the recyclability of a heat exchanger by mounting a seal material for sealing the gap between the heat exchanger and the case in which the heat exchanger is mounted without using an adhesive or the like at the heat ex... | 08/03/1999 |
| 5931225 | Laminated heat exchanger In a laminated heat exchanger, an intake portion and an outlet portion for heat exchanging medium are provided at one end portion in the direction of lamination. The intake portion is made to communicate with a most upstream pass distance from the one end... | 08/03/1999 |
| 5918664 | Refrigerant evaporator constructed by a plurality of tubes In a refrigerant evaporator constructed by laminating a plurality of tubes in which an inlet side refrigerant passage and an outlet side refrigerant passage are formed, a connecting member which sets a position of the adjacent tubes is provided. The conne... | 07/06/1999 |
| 5909766 | Heat exchanger having a structure for detecting fluid leakage A heat exchanger has a plurality of tubes and tank portions formed by a plurality of first thin plates laminated and connected to each other, and a plurality of covering members formed by a plurality of second thin plates laminated and connected to each o... | 06/08/1999 |
| 5908070 | Heat exchanger In order to achieve an improvement in productivity and a reduction in production costs, tubes are formed using brazing sheet while eliminating the problems normally associated with forming tubes from a brazing sheet. In each of the tube elements formed fr... | 06/01/1999 |
| 5906237 | Heat exchanger having a plurality of heat-exchanging units In a refrigerant evaporator constructed by a plurality of heat-exchanging units, a bypass passage to bypass at least one of the plurality of heat-exchanging units is provided, and the refrigerant passage area thereof is set to be less than that of a refri... | 05/25/1999 |
| 5901785 | Heat exchanger with a distribution device capable of uniformly distributing a medium to a plurality of exchanger tubes In a heat exchanger (1) including first through M-th tube groups, each tube group comprising at least one exchanger tube (10), and a distribution device (3) which has a distribution tank (30) supplied with a medium and first through M-th distribution path... | 05/11/1999 |
| 5901784 | Heat exchanger with oval or oblong tubes, and a method of assembly of such a heat exchanger A heat exchanger, especially a heating or cooling radiator for a motor vehicle, has a tube bundle consisting of oval or oblong tubes which extend through a matrix of cooling fins. End portions of the tubes are introduced into holes in a header plate, with... | 05/11/1999 |
| 5896923 | Heat exchanger having downsized header tank A heat exchanger includes first and second header tanks and a plurality of flat tubes disposed therebetween. Each of the first and second header tanks is formed by connecting first and second groove members. The first groove member includes a main wall po... | 04/27/1999 |
| 5896916 | Heat exchanger suitable for a refrigerant evaporator In a heat exchanger made of stacked tubular elements, the tubular elements are formed from pressed plates bearing on one another. The plates enclose between them a cavity which is connected via corresponding orifices to the cavity of the tubular element a... | 04/27/1999 |
| 5893412 | Laminated heat exchanger In order to prevent a communicating pipe from becoming damaged by water (in particular drain water) collecting in the gap formed between the tube element at one end of a heat exchanger that is constituted of a flat plate and a formed plate and the communi... | 04/13/1999 |
| 5881805 | Laminated heat exchanger In a laminated heat exchanger constituted by using tube elements each having a heat exchanging medium passage and tanks formed as an integrated unit, the wall surfaces between a plurality of shoal-like beads formed in heat exchanging medium passage of the... | 03/16/1999 |
| 5881456 | Header tubes for heat exchangers and the methods used for their manufacture A header tube for heat exchangers with a tube segment having slots which are perpendicular to the tube axis and spaced in the longitudinal direction and separated by webs, into which hollow flat pipes can be inserted and joined to the contact surface of t... | 03/16/1999 |
| 5881803 | Heat exchanger construction A heat exchanger comprises a pair of spaced fittings each having a first opening on one side thereof for communication with a fluid carrying conduit. The fittings are connected to one another by at least one pair of tubes extending from second sides of th... | 03/16/1999 |
| 5881804 | Laminated heat exchanger In a laminated heat exchanger, an intake portion and an outlet portion for heat exchanging medium are provided at one end portion in the direction of lamination. The intake portion is made to communicate with a most upstream pass distanced from the one en... | 03/16/1999 |
| 5875834 | Baffle insert for heat exchangers Baffle inserts or shims are disclosed for controlling the flow circuiting in plate or tube type heat exchangers of the kind having a plurality of stacked, hollow plate pairs or tubes including mating end bosses or areas or spacers having communicating ope... | 03/02/1999 |
| 5868198 | Header pipes for heat exchanger The header pipes 3 and 4 of a heat exchanger 1, wherein each of the header pipes is provided with a plurality of tube insertion holes 9 in a longitudinal direction; the ends of tubes 2 are inserted into the tube insertion holes; the extended portions 3a a... | 02/09/1999 |
| 5865243 | Heat exchanger In a flat tube formed by machining a brazing sheet, ridges 12a-12c are formed at each of the opposing flat portions 11a and 11b of the flat tube 4 along the lengthwise direction of the flat tubes so that the ridges contact the inner surfaces of each of th... | 02/02/1999 |
| 5845701 | Fin-tube block for a heat exchanger and method of making same A fin-tube block for a heat exchanger and method of making same are disclosed. The thermal stress on fin-tube blocks of charge air coolers is considerable in the vicinity of the side parts, which can be attributed among other things to the rapid heating o... | 12/08/1998 |
| 5845706 | Heat exchanger and process for its manufacturing A heat exchanger has flat tubes arranged in parallel to one another and at a distance from one another. The flat tubes are provided in the area of their ends with connection openings to adjacent flat tubes to avoid difficulties with respect to the tight c... | 12/08/1998 |
| 5842515 | Heat exchanger and method of manufacturing header pipe for the same A heat exchanger includes a pair of header pipes spaced a predetermined distance away from each other, a plurality of tubes connected between the header pipes for defining flow paths for a heat exchanging medium and a plurality of fins installed between t... | 12/01/1998 |
| 5832989 | Cooling apparatus using boiling and condensing refrigerant An object of the present invention is to provide a cooling apparatus using a boiling and condensing refrigerant which can be economically manufactured. Another object is to improve reliability of soldering. A refrigerant tank, on which hot objects to be c... | 11/10/1998 |
| 5826646 | Flat-tubed heat exchanger A heat exchanger with an improved flat-tubed design is disclosed. The heat exchanger includes plural tubes of relatively flat cross-section in parallel array. Each tube is comprised of relatively flat first and second plates in facing contact. The first p... | 10/27/1998 |
| 5826648 | Laminated type heat exchanger A laminated type heat exchanger according to the present invention includes a plurality of metal plates laminated with each other to form a fluid passage and an end plate disposed at an end of the laminated metal plates. The end plate has two protrusions ... | 10/27/1998 |
| 5816320 | Radiator fin construction A fin for a radiator for cooling a fluid, the fin being made from a thin sheet of heat-conductive metal. The fin has many stacked fin elements formed from a single sheet. While the typical radiator fin is formed in a serpentine shape with rounded edges, t... | 10/06/1998 |
| 5810077 | Layered heat exchanger A layered heat exchanger for use as a motor vehicle air conditioner evaporator comprises pairs of generally rectangular adjacent plates, which are joined together in layers with the corresponding recesses of the plates in each pair opposed to each other t... | 09/22/1998 |
| 5806586 | Plate heat exchanger with a refrigerant distributor A device is disclosed for distributing a two-phase refrigerating medium mass flow in a plate evaporator (12). The evaporator has a distribution channel (14) at the inlet side which may receive a refrigerating medium mass flow coming from an expansion valv... | 09/15/1998 |
| 5803162 | Heat exchanger for motor vehicle cooling exhaust gas heat exchanger with disk-shaped elements A heat exchanger for cooling exhaust gas of a motor vehicle with a closed flow guiding system for the exhaust gas has heat exchange elements which are arranged between a feeding device and a removing device for the exhaust gas and around which a cooling m... | 09/08/1998 |
| 5800673 | Stack type evaporator A stack type evaporator includes tubular elements 1 each having a plurality of inwardly protruding recessed ribs 7 which extend from an upper header portion 1a of the element to a lower header portion 1b, with the ribs serving as straight drainage canals ... | 09/01/1998 |
| 5794692 | Header and tank construction for a heat exchanger Restrictions on the major dimension of flattened tubes used in heat exchangers employing oval shaped, two piece headers/tank assemblies can be minimized in a construction including a plurality of flattened tubes (14) each having a minor dimension and a ma... | 08/18/1998 |
| 5794691 | Plate heat exchanger with reinforced input/output manifolds A plate type heat exchanger as disclosed having a plurality of stacked plate pairs. Each plate pair has opposed inlet and outlet openings that are in registration to form respective inlet and outlet flow manifolds for the flow of fluid through the plate p... | 08/18/1998 |
