Patents for F28F 1 - Tubular elements; Assemblies of tubular elements (16,334)
06/1988
06/15/1988CN85107311B Heat-transfer tube
06/14/1988CA1237879A1 Apparatus for forming fins for heat exchangers
06/08/1988EP0199746B1 Method of making a finned cast recuperator tube
06/08/1988EP0175743B1 Method of manufacturing hairpin configured tubes
06/01/1988EP0268831A1 Plate fin
05/1988
05/31/1988US4747448 Heat exchangers
05/26/1988DE3628183A1 Heat exchanger for underground operation, in particular an air cooler
05/25/1988CN85106691B Heat transfer wall for boiling liquids and processes of manufacture
05/24/1988US4745967 Heat exchanger, particularly a refrigerant evaporator
05/24/1988US4745966 Heat exchangers and electrical apparatus having heat exchangers
05/19/1988DE3637970A1 Cast-iron radiator
05/18/1988EP0267338A1 Heat exchanger for fluid treatment apparatus
05/18/1988CN87210638U 矩型管散热器 Rectangular pipe radiator
05/17/1988US4744412 Double-wall tube heat exchanger
05/11/1988EP0160662B1 Shell and tube heat transfer apparatus and process therefor
05/11/1988DE3706408C1 Heat transfer tube
05/10/1988US4742869 Heat and mass transfer device
05/03/1988US4741386 Fluid treatment apparatus
04/1988
04/27/1988EP0264548A2 Process for attaching external perpendicular ribs to tubes
04/27/1988EP0124584B1 Improvements in or relating to fluid handling apparatus
04/21/1988WO1988002672A1 Process for manufacturing double-wall hollow metal bodies, and hollow bodies produced by the process
04/19/1988US4738309 Gas/liquid or gas/gas exchanger
04/19/1988US4738225 Heat transfer apparatus for water heater
04/14/1988DE3634809A1 Verfahren zur herstellung von doppelwandigen hohlkoerpern aus metall und nach dem verfahren hergestellter hohlkoerper Process for the preparation of double-hohlkoerpern consisting of metal and manufactured in accordance with the procedure hohlkoerper
04/13/1988EP0263651A2 Apparatus to reduce or eliminate fluid bed tube erosion
04/13/1988CN87200709U Combination pipe of ceramic for high-temperature transfer heater
04/12/1988CA1235114A1 Heat exchanger duct with heat exchange wiring
04/12/1988CA1234966A1 Method of making a finned cast recuperator tube
04/07/1988DE3739619A1 Funnel vortex generators and heat exchange (transfer) surfaces for heat exchangers
04/06/1988CN86101493B 热交换器 Heat exchanger
04/05/1988US4735260 Apparatus for sealing the leakage gap between the U-shaped bends of a tube matrix and the facing guide wall of a heat exchanger
03/1988
03/29/1988US4733698 Heat transfer pipe
03/24/1988WO1988002091A1 Flexible hose heat exchanger construction
03/22/1988US4732311 Aluminum alloy
03/16/1988EP0259895A1 Shell and tube heat exchanger
03/16/1988CN87105451A Surface condenser and the method of making its corrugated radiating pipe
03/09/1988EP0258253A1 Heat exchanger.
03/08/1988US4729155 Method of making heat transfer tube with improved outside surface for nucleate boiling
03/02/1988EP0257220A1 Turbulence device for heat exchanger tubes
03/02/1988CN87206922U Bell socket steel column radiator
02/1988
02/24/1988EP0256259A1 Heat-exchanger, more particularly evaporator for refrigerant
02/23/1988CA1233170A1 Mixed helix turbulator for heat exchangers
02/09/1988US4723602 Heat exchanger with multiwall tubes
02/09/1988US4723600 Heat exchanger
02/09/1988US4723599 Lanced fin heat exchanger
02/03/1988EP0255313A2 Condenser
02/02/1988US4722829 Mass/heat transfer apparatus
02/02/1988US4722388 Heat exchanger
01/1988
01/26/1988US4721068 Gas-fired boiler plant
01/20/1988EP0253167A1 Heat-exchanger, more particularly evaporator for refrigerant
01/12/1988US4718482 Fins for automobile or home air conditioners; surface treated aluminum
01/07/1988EP0252019A1 Assemblable modular element heat exchanger
01/07/1988EP0153363B1 A heat exchanger
01/07/1988EP0113344B1 Heat exchangers and methods of construction thereof
01/07/1988DE3621208A1 Heat exchanger for compressor heat utilisation
12/1987
12/29/1987US4715437 Heat exchanger
12/29/1987US4715436 Construction of a heat transfer wall of a heat transfer pipe
12/29/1987US4715432 Air-cooled tube condenser
12/29/1987CA1230872A1 Heat exchanger
12/23/1987DE3620345A1 Heat exchanger element
12/22/1987US4714623 Antifouling agents, bonding strength
12/22/1987US4714108 Heat pump system
12/22/1987US4714049 Apparatus to reduce or eliminate fluid bed tube erosion
12/09/1987EP0248222A2 Cooling tubes, and process and device for their manufacture
12/01/1987US4709753 Uni-directional fin-and-tube heat exchanger
11/1987
11/17/1987US4706355 Method of making an internally grooved and expanded tubular heat exchanger apparatus
11/10/1987US4705105 Locally inverted fin for an air conditioner
11/10/1987US4705103 Internally enhanced tubes
10/1987
10/28/1987EP0242838A1 A heat exchange pipe for heat transfer
10/22/1987DE3612770A1 Heat exchanger
10/21/1987EP0242340A2 Modular element heat exchanger, particularly for extrusion cylinders, injection molding machines, drawing machines and the like plastics processing machines
10/14/1987EP0240954A1 Method of making fluxless soldered joints and heat exchangers provided by such method
10/07/1987EP0239814A2 Profiled tube having an elliptical or lancet-shaped cross-section, for use in tubular heat exchangers, and method for its manufacture
10/07/1987CN86210022U Cylindrical radiator
10/06/1987US4697635 Parallel wrapped tube heat exchanger
09/1987
09/30/1987CN86206795U Graphite inner surface threaded tube
09/29/1987CA1227478A1 Radiator having reinforced tubes
09/23/1987EP0237761A1 A method for manufacturing a heat exchanger
09/22/1987US4695653 Cationic surface-active agents
09/22/1987US4694898 Heat exchanger element comprising a single and integrally extruded member including at least two hollow tubes integrally joined by at least two webs
09/22/1987US4694894 Heat exchangers
09/22/1987US4694864 Double-wall tube for a heat exchanger
09/16/1987EP0237164A1 Method of making a heat exchanger
09/16/1987EP0236907A1 Heat exchanger for boiling liquids
09/15/1987US4693307 Tube and fin heat exchanger with hybrid heat transfer fin arrangement
09/15/1987US4692979 Heat exchanger and a method and apparatus for the manufacture thereof
09/12/1987CN86204965U Assembled radiator with connecting clamps
09/08/1987US4691768 Lanced fin condenser for central air conditioner
09/08/1987US4691767 Heat exchanger
09/08/1987US4691766 Finned tube arrangement for heat exchangers
09/08/1987US4691761 Heat exchanger
09/01/1987US4690211 Heat transfer tube for single phase flow
09/01/1987US4690208 Contaminated fluid heat exchanging
08/1987
08/27/1987WO1987004952A1 Method and apparatus for applying metal cladding on surfaces and products formed thereby
08/25/1987US4688311 Method of making a heat exchanger
08/20/1987DE3605244A1 Cooler, for example oil cooler
08/12/1987EP0109393B1 Turbulator radiator tube for a radiator construction
08/06/1987DE3603230A1 Profiled tubular element for section heat exchangers, in particular for space heaters
07/1987
07/30/1987DE3602608A1 Tubular heat exchanger
07/22/1987EP0229666A1 Parallel wrapped tube heat exchanger