Patents
Patents for F28F 27 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus (5,641)
08/1991
08/07/1991EP0354914B1 Heat exchanging apparatus
07/1991
07/30/1991CA1286979C Zoned hot water distribution system for counterflow towers
07/23/1991CA1286546C Fire detection device for regenerative air heater
07/09/1991US5029637 Heat exchanger, especially for cooling cracked gas
06/1991
06/12/1991EP0430990A1 Apparatus for shifting the flow paths of two fluids and an air-conditioning system
05/1991
05/29/1991EP0428699A1 Process and apparatus for vapour-phase cracking of hydrocarbons
05/21/1991CA1284317C Device for holding a perforated plate against the tube sheet of a heat exchanger
05/10/1991CA2028470A1 Air-to-air heat exchanger
04/1991
04/16/1991US5007582 Reduced pressure steam heat treating device
04/10/1991EP0421798A1 A throttle modulator assembly
03/1991
03/20/1991EP0417926A2 A heater system for the passenger compartment of a motor vehicle
03/07/1991WO1991002936A1 Heat exchanger with internal bypass valve
02/1991
02/26/1991CA1280741C Frost free heat exchanger
02/19/1991US4993479 Heat exchangers
02/19/1991US4993367 Boiler
02/12/1991US4992380 By measuring characteristics of tracer introduced with treating agent for reducing corrosion and scaling
02/12/1991US4991643 Heat exchanger with internal bypass valve
01/1991
01/24/1991DE3923936A1 Oil cooler oil passages - are formed by flattened tubes with cooling medium flowing in spaces between tubes
01/10/1991DE3920887A1 Heat exchanger operated by air - has controlled moistening device activated when temp. exceeds predetermined level
12/1990
12/20/1990DE3916166A1 Heater giving directional flow within vehicle - uses three-part heat exchanger with control system
12/13/1990WO1990015118A1 Process and apparatus for vapour-phase cracking of hydrocarbons
11/1990
11/20/1990US4971137 Air-to-air heat exchanger with frost preventing means
11/01/1990WO1990012993A1 Multi-tube heat exchanger
10/1990
10/31/1990EP0394758A2 Heat exchanger
10/25/1990DE3913422A1 Rohrbuendelwaermetauscher Rohrbuendelwaermetauscher
10/16/1990US4962811 Heat exchanger
10/16/1990US4962809 Heat exchanger
10/10/1990EP0390990A1 Method of condensing steam and installation for use in such a method
10/03/1990EP0389971A2 Ceramic heat exchanger
09/1990
09/20/1990DE3908277A1 Erosion protection for heat exchangers
09/19/1990EP0387377A1 Tube bundle heat exchanger
09/11/1990US4955585 Hydraulically driven fan system for water cooling tower
09/04/1990CA1273546A1 Flow control device in a heat exchanger tube
08/1990
08/16/1990EP0381800A1 Dry-cooling tower using natural draft
08/07/1990CA1272478A1 Ambient air modulator for engine fluid heat exchanger
07/1990
07/11/1990EP0377089A1 Heat exchanger, especially for cooling a cracking gas
07/11/1990CN1008772B Process and device for control of heat energy exchanged with fluidized bed
06/1990
06/12/1990US4932467 Multi-channel heat exchanger with uniform flow distribution
06/05/1990US4931187 Cooling tower system
06/05/1990US4930571 Heat recovery apparatus
05/1990
05/29/1990US4928754 Heat exchanging apparatus
05/29/1990US4928751 Computer controlled waste heat reclaimer
05/29/1990US4928749 Heat exchange recovery method
05/15/1990CA1269149A1 Method of detecting hot spots in a rotary heat exchanger
05/08/1990US4922996 Method and apparatus for heat recovery from hydraulic oil
05/02/1990EP0365815A1 Continuous on-stream monitoring of cooling tower water
04/1990
04/17/1990US4916902 Ambient air modulator for engine fluid heat exchanger
04/03/1990US4913222 Air/air heat exchanger using water as heat exchange medium
03/1990
03/20/1990US4909313 Pressurized bellows flat contact heat exchanger interface
03/20/1990US4909309 Air condenser installation
03/14/1990EP0357907A1 Heat exchanger
03/07/1990EP0356648A1 Heat exchanger
02/1990
02/22/1990WO1990001667A1 Apparatus for shifting the flow paths of two fluids and an air-conditioning system
02/21/1990EP0354914A1 Heat exchanging apparatus.
02/20/1990US4901789 For extracting heat from hot exhaust gases/transferring to a fluid
02/08/1990DE3824073A1 Oil cooler
01/1990
01/18/1990DE3824074A1 Oil cooler
12/1989
12/19/1989US4887664 Heat exchanger system having adjustable heat transfer capacity
11/1989
11/21/1989US4881596 Heat exchange pipe for heat transfer
11/15/1989EP0341663A1 Frost free heat exchanger
10/1989
10/25/1989CN1036550A Method and apparatus for controling heating circumstance in process for forming glass fibres
10/24/1989US4876012 Hollow fibre filter cartridge and header
10/03/1989US4871012 Variable conductance thermal insulation blanket
09/1989
09/27/1989EP0334504A2 Fluid flow control devices
09/20/1989EP0333180A2 Method and apparatus for controlling thermal environment in a glass fiber process
09/13/1989EP0331826A1 Heat recovery from hydraulic oil
09/05/1989US4862952 Frost free heat exchanger
08/1989
08/24/1989WO1989007791A1 Device for bypassing heat exchange flow conduits
08/16/1989CN2042945U Automatic constant temp. device for cold-hot water
08/02/1989EP0325844A1 Evaporator with improved condensate collection
07/1989
07/26/1989CN1034262A Plate heat exchanger
07/25/1989US4850426 Gas/liquid heat exchanger with condensation
07/19/1989EP0324403A1 A process and system for protection against freezing of large air-cooled steam condensers
07/11/1989US4846256 Shell for plate-type apparatus to carry out thermo-dynamic processes based on heat-exchange between flowing fluids
07/11/1989CA1257248A1 Heat exchanger
06/1989
06/27/1989US4842055 Heat exchanger
06/06/1989US4836239 Water cooling tower and water level control system therefor
05/1989
05/16/1989US4829780 Evaporator with improved condensate collection
05/03/1989EP0314585A1 Gas-liquid heat-exchanger with condensation
05/03/1989CN1004095B Device for changing number of part streams of flowing medium
04/1989
04/26/1989EP0224553B1 A device for changing the number of part streams of a flowing medium
04/25/1989US4824457 Method and apparatus for controlling thermal environment in a glass fiber forming process
04/25/1989US4823861 Fire detection device for regenerative air heater
04/18/1989US4821531 Refrigerant evaporator
04/06/1989DE3732081A1 Plate heat exchanger
03/1989
03/29/1989EP0308529A1 Tube bundle heat exchanger with a distribution plate
03/14/1989US4813003 Method of detecting hot spots in a rotary heat exchanger
03/14/1989US4811783 Heat exchanger tube bundle protection apparatus
02/1989
02/16/1989DE3726448A1 Heat exchanger
02/14/1989US4804039 Process and apparatus for alternately heating and cooling a heat exchanger
02/14/1989CA1250015A1 Active cooling system for electrochemical cells
02/07/1989CA1249770A1 Reactor for non-isothermic reactions and process for the preparation of hydrocarbons using such a reactor
01/1989
01/31/1989CA1249527A1 Phase distribution tank
01/17/1989US4798242 Heat exchanger for recovering heat from exhaust gases
11/1988
11/29/1988US4787152 Fluid-beds
11/29/1988CA1245627A1 Heat exchanger, and its use in an air separation unit
11/22/1988CA1245150A1 Increased capacity wet surface air cooling system
11/08/1988CA1244318A1 Rotary flow control balancing valve for cross-flow cooling towers
11/03/1988DE3712625A1 Connection fitting for radiators
11/02/1988EP0289424A1 Heat exchanger for liquid fluids
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