Patents
Sitemap › F28 - Heat exchange in general › F28F - Details of heat-exchange or heat-transfer apparatus, of general application › F28F 1 - Tubular elements; Assemblies of tubular elements
Patents for F28F 1 - Tubular elements; Assemblies of tubular elements (16,334)
12/1989
12/20/1989CN2049753U Double-side strengthened heat-transfer pipe
12/13/1989EP0345426A1 Partition wall for a boiler
11/1989
11/30/1989DE3915272A1 Heating element for electrical indoor radiators, in particular of the flow-type
11/29/1989CN1037583A Tube type heat-exchanging and dust-removing element with fin plate
11/28/1989US4883117 Swirl flow heat exchanger with reverse spiral configuration
11/23/1989DE3843688A1 Evaporator of an air conditioner (air-conditioning unit)
11/23/1989DE3815070A1 Kuehler, insbesondere fluessigkeitskuehler Radiator, especially fluessigkeitskuehler
11/22/1989CN1037391A Three-dimensional internal-rib pipe and its processing technology
11/21/1989US4881596 Heat exchange pipe for heat transfer
11/21/1989US4881311 Heat exchanger assembly with integral fin unit
11/16/1989DE3914746A1 Heat exchanger, in particular for burner-operated water heaters
11/15/1989CN2047770U Heat-exchanger and acid-proof transfer piping
11/14/1989US4880054 Heat exchanger tube for evaporation or condensation
11/09/1989DE3813339A1 Tubular heat exchanger and method for its production
11/02/1989EP0339552A1 Method of manufacturing a heat exchanger
11/02/1989EP0339318A1 Counter-current heat exchanger
11/02/1989EP0339255A2 Isolation condensor with shutdown cooling system heat exchanger
11/02/1989EP0339206A1 Finned tubular element for a heat exchanger, and method of making same
11/01/1989CN2047001U Surface-figured tube for intensifying liquid-film heat-transfer medium
10/1989
10/31/1989US4877087 Segmented fin heat exchanger core
10/31/1989US4876780 Double wall vacuum tubing and method of manufacture
10/25/1989EP0338920A2 Joule-Thomson cooler with porous mass heat exchanger
10/25/1989EP0338704A1 Heat exchanger core
10/24/1989CA1262457A1 Heat exchanger having an improved turbulator construction
10/18/1989EP0337708A2 Improvements in or relating to integral finned tubes and a method of manufacturing same
10/12/1989DE3809658A1 Heat exchanger for screen wash reservoirs
10/10/1989US4872503 Air heat exchanger
10/10/1989CA1262221A1 Gas-fired boiler plant
10/03/1989US4871014 Shell and tube heat exchanger
10/03/1989US4870734 Method of manufacturing high efficiency heat exchange tube
09/1989
09/27/1989EP0334504A2 Fluid flow control devices
09/27/1989EP0333972A1 Smoke-tube
09/26/1989US4869316 Heat exchanger
09/26/1989US4869314 Heat exchanger with secondary and tertiary heat exchange surface
09/26/1989CA1261820A1 Heat exchanger core and heat exchanger employing the same
09/26/1989CA1260755A1 Exhaust air heat exchanger
09/20/1989CN2044714U Expand tubes and serial pieces radiator
09/19/1989US4866830 Method of making a high performance, uniform fin heat transfer tube
09/19/1989CA1259531A1 Method and apparatus for applying metal cladding on surfaces and products formed thereby
09/19/1989CA1259500A1 Parallel wrapped tube heat exchanger
09/06/1989EP0331067A2 Mass and/or heat exchange apparatus
09/06/1989CN1035352A Heat-exchanging tube
08/1989
08/30/1989CN2043743U Series fin convection radiator for train
08/30/1989CN2043727U High-pressure full circulating radiator
08/29/1989US4860822 Lanced sine-wave heat exchanger
08/22/1989US4858681 Shell and tube heat exchanger
08/09/1989EP0326605A1 Heat-transfer wall composed of two plate-like parts
08/08/1989US4854381 Heat exchanger device
08/08/1989US4854380 Heat exchanger
08/03/1989DE3813040C1 Use of a finned tube as reaction tube for exothermic chemical reactions
08/02/1989EP0325844A1 Evaporator with improved condensate collection
08/02/1989CN2042175U Combined pipe-wing plate type blowing forced-cooling cupboard
08/01/1989US4852366 Heat pump and system
08/01/1989US4852233 Method of manufacturing extruded flat multihole aluminum tube for heat-exchanger
07/1989
07/27/1989WO1989006744A1 Oil cooler and method of manufacturing same
07/26/1989EP0325553A1 Wavy plate-fin
07/26/1989EP0325261A1 Heat exchanger
07/26/1989EP0189411B1 Improvements to heat exchangers
07/26/1989CN2041802U Radiator
07/20/1989DE3800296A1 Cooling device on a motor vehicle
07/11/1989CA1257248A1 Heat exchanger
06/1989
06/29/1989DE3743293A1 Flat tube for heat exchangers
06/20/1989US4840228 Heat exchanger having metal wire screens, and method of making stack of screens therefor
06/08/1989DE3815095A1 Waermetauscher Heat Exchanger
06/07/1989EP0319520A1 Method of making a heat exchanger
06/07/1989EP0319451A1 Lanced sine-wave heat exchanger
06/07/1989CN1033314A 热交换器 Heat exchanger
06/07/1989CN1004442B Heat exchanging apparatus
06/06/1989US4836277 Heat exchanger apparatus having heat exchanger pipes and sheetmetal plates
06/06/1989US4836276 Heat exchanger for engine oil
05/1989
05/24/1989CN1033019A Method of making heat exchanger and hollow shape for such
05/23/1989US4832117 Fin tube heat exchanger
05/23/1989US4831844 Condenser with improved flow path
05/18/1989WO1989004447A1 Heat-exchange tube
05/16/1989US4830815 Isolation condenser with shutdown cooling system heat exchanger
05/16/1989US4830102 Turbulent heat exchanger
05/16/1989US4830101 Aluminum heat exchanger and method for producing aluminum heat exchanger
05/16/1989US4829780 Evaporator with improved condensate collection
05/10/1989EP0314748A1 Heat-exchanger reactor.
05/10/1989CN2037462U Cold, heat exchanger tube
05/09/1989US4827590 Method of making of header for automotive air conditioner evaporator
05/03/1989EP0314255A1 Heat exchanger
05/03/1989DE3835954A1 Platten/rippen-radiator und verfahren zu seiner herstellung Plates / ribs radiator and process for its preparation
05/03/1989DE3735915A1 Heat exchanger
05/02/1989US4825941 Condenser for use in a car cooling system
05/02/1989US4825940 Automatic process and device for cleaning a heat exchanger for gaseous fluids
04/1989
04/27/1989DE3734337A1 Heat exchanger
04/26/1989EP0313185A1 Undulated heat exchanger fin
04/26/1989CN2036640U Fin cast-iron boiler
04/20/1989DE3734009A1 Heat exchanger tube
04/18/1989US4821797 Fluid cooler
04/18/1989US4821795 Undulated heat exchanger fin
04/18/1989US4821428 Heat exchanger for grain elevators or bins
04/11/1989US4819586 Cracking furnace with improved heat transfer to the fluid to be cracked
04/11/1989CA1252272A1 Method of manufacturing fin-tube heat exchangers
04/06/1989DE3731669A1 Flat heat exchanger tube
04/04/1989US4817709 Ramp wing enhanced plate fin
03/1989
03/28/1989US4815651 Procedure for attachment of vertically oriented ribs on the outside of pipes
03/28/1989US4815533 Heat exchanger
03/28/1989US4815531 Heat transfer enhancing device
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