Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 4332291 | Heat exchanger with slotted fin strips A heat exchanger such as a liquid-to-gas heat exchanger of the type used in natural-draught cooling towers and other industrial applications comprises a series of flattened conduits with fins between them, the fins being strips located in grooves of the o... | 06/01/1982 |
| 4331201 | Clamped connection Disclosed is a clamped connection for clamping together separate parts, comprising a first part having a flange; a second part having an edge and an edge region adjacent to the edge. The edge region is deformable from a first condition in which the edge r... | 05/25/1982 |
| 4328861 | Louvred fins for heat exchangers A heat exchanger utilizing a tube and fin core or a plate-fin separator wherein a plurality of tubes or plates are arranged in one or more rows with either corrugated fins between the tubes or a stack of horizontal split plate fins have openings receiving... | 05/11/1982 |
| 4327802 | Multiple fluid heat exchanger A multiple fluid heat exchanger having a unitary construction and formed of a stack of dished plates to form at least two fluid passages within the heat exchange elements formed by the plates and passages for a third fluid formed between at least some of ... | 05/04/1982 |
| 4311193 | Serpentine fin heat exchanger A method of assembling a heat exchanger having spaced fluid flow tubes and a normally flexible serpentine fin in each of the spaces between adjacent tubes in which the normally flexible fin is first assembled in a rigid, easy to handle unit by first attac... | 01/19/1982 |
| 4309477 | Asbestos treatment with metal sulfides A method of treating asbestos comprising depositing on at least a portion of the asbestos a material consisting essentially of at least one metal sulfide.... | 01/05/1982 |
| 4274482 | Laminated evaporator The disclosure relates to a heat exchanger-type laminated evaporator, in which a plurality of liquid passage pipe units are arranged in side-by-side relation to form flat liquid passage pipes which communicate at their ends, with enlarged portions forming... | 06/23/1981 |
| 4274483 | Reaction bonding of ferrous metals This invention relates to a method of bonding together a plurality of ferrous metal members, the resulting assembly and a heat exchanger comprising the thusly bonded metal members in which the members are bonded to each other by assembling them with alumi... | 06/23/1981 |
| 4258785 | Heat exchanger interplate fitting An interplate inlet, outlet or other suitable fitting for use in a closely stacked plate heat exchanger which allows the placement of the fitting between the plates at any point along the length of the inlet or outlet header tank formed by the heat exchan... | 03/31/1981 |
| 4217953 | Parallel flow type evaporator The 1st type of parallel flow evaporator, comprising an upper tank and a lower tank, a plurality of flat pipes communicating said upper and lower tanks, fins inserted between each of said flat pipes, having an outlet pipe and an inlet pipe respectively, s... | 08/19/1980 |
| 4216824 | Spacer for removable heat exchanger tubes The invention relates to spacers for the individual units of a heat exchanger assembly containing a plurality of tubes with cooling fins secured thereto. The specifically shaped, readily removable and usable spacers are positioned in the heat exchanger as... | 08/12/1980 |
| 4159034 | Weldment heat exchanger A weldment heat exchanger having at least the surfaces contacted by the fluids between which heat is exchanged of stainless steel and comprising a tube bundle having spaced tubes through which one of the fluids flows and over the outer surfaces of which t... | 06/26/1979 |
| 4144933 | Heat exchanger Apparatus for heat exchange between a fluid and air, having at least one heat exchanger element comprising a plurality of fluid tubes to which are secured heat transfer strips which define between them air passages having length ࣘ 25 mm., hydraulic diam... | 03/20/1979 |
| 4134195 | Method of manifold construction for formed tube-sheet heat exchanger and structure formed thereby A heat exchanger plate of single unitary structure and relatively thin material has a deep draw formed through one surface adjacent to each of the opposite ends to provide fluid openings and a lesser depth inner draw formed in the other surface to provide... | 01/16/1979 |
| 4081025 | Multiple fluid stacked plate heat exchanger A heat exchanger of a stacked plate design wherein two or more fluids are in heat exchange relationship, comprising two or more independent sets of plates with the fluid passages of one set of plates being interconnected for continuous flow therethrough a... | 03/28/1978 |
| 4062401 | Toroidal multifluid segmented heat exchanger A plurality of segmented components are arranged to form a fixed radial heat exchanger. Each segment is an independent heat exchanger having a core of fluid tubes and air flow corridors between the tubes. Air flow is maintained through the heat exchanger ... | 12/13/1977 |
| 4041594 | Brazed core radiator in aluminum alloy and added header boxes The exchanger comprises tubes separated by intercalary parts and engaged into end plates covered with header boxes. The tightness of the header boxes is provided by a soft joint 13. A brazing alloy is sandwiched between two sheets of aluminum.... | 08/16/1977 |
| 4019573 | Heat exchanger A heat exchanger for exchanging heat between fluids comprising a conduit for flow of a first fluid therethrough comprising a manifold with a single port in one area and a pair of ports in another area and a plurality of spaced fluid tubes attached to the ... | 04/26/1977 |
| 4011905 | Heat exchangers with integral surge tanks A stacked plate or plate-fin separator type of heat exchanger wherein each plate has an integral extension at one end including an aperture which, when stacked with other plates, forms a chamber separate from but positioned at one end of the heat exchange... | 03/15/1977 |
| 3993125 | Heat exchange device A heat exchange device having a vessel and heat transfer core means including at least two tubular conduits in fluid communication with the vessel, the tubular conduits being spaced apart to form an air passageway therebetween. A spacer member is position... | 11/23/1976 |
| 3981354 | Built-up tube and tubesheet assembly for multi-conduit heat exchangers The built-up tube and tubesheet assembly for multi-conduit heat exchangers having a plurality of conduits each of which have end portions of four-sided polygonal shape in cross-section comprises a plurality of peripheral walls secured together to form a f... | 09/21/1976 |
| 3976128 | Plate and fin heat exchanger A plate and fin heat exchanger in the form of a refrigerant evaporator. The heat exchanger comprises a plate and fin structure providing alternately channels for the flow of refrigerant and spaces for the flow of air. An apertured inlet manifold is in com... | 08/24/1976 |
| 3972371 | Tube and tube-plate assembly Tube ends are engaged in passage openings of tube plates and protrude above collars surrounding said passage openings. The larger sides of the tube ends are folded back and rolled about said collars. Part of the tube walls under said passage openings is e... | 08/03/1976 |
