Patents for F27D 19 - Arrangement of controlling devices (3,123)
09/1993
09/08/1993EP0559144A2 Method and device for firing by gas a furnace used in the ceramics industry
09/07/1993US5242155 Melter/holder control system
09/02/1993DE4205797A1 Elektronenstrahl-ueberlaufschmelzvorrichtung Electron beam melting Overrun device
08/1993
08/31/1993US5240494 Controlling burners within desired air/fuel ratio to avoid incorporating unwanted oxygen
08/04/1993EP0553632A2 Controlled operation of an industrial furnace
08/03/1993US5232506 Furnace structure of semiconductor manufacturing apparatus
07/1993
07/27/1993US5230617 Furnace shell cooling system
07/13/1993US5226290 Bootstrap hydraulic systems
07/06/1993US5225142 Method and apparatus for the automatic monitoring of operating safety and for controlling the progress of the process in a vacuum heat-treatment oven
06/1993
06/30/1993EP0549121A2 System for applying a heat shrinkable sleeve to a container
06/29/1993US5223019 Method and apparatus for sintering operation
06/17/1993DE4140724A1 Electrode remelting furnace
06/15/1993US5219109 Level control method for spliced strip materials having different unit weights
05/1993
05/20/1993CA2083230A1 System for applying a heat shrinkable sleeve to a container
05/19/1993EP0541982A1 Process for operating a tunnel furnace
05/12/1993CN1071908A Ceramic welding method and apparatus
04/1993
04/27/1993US5205979 Automatic controlling device of burners of a shaft furnace utilizing fuzzy logic
04/16/1993CA2078522A1 Ceramic welding method and apparatus
03/1993
03/30/1993CA1315098C Furnaces
03/17/1993EP0531810A2 Process to change an industrial furnace athmosphere
03/02/1993US5191183 Apparatus for processing ceramics using microwave oven with resistance heating unit
03/02/1993US5190454 Electronic combustion control system
02/1993
02/24/1993EP0527878A1 Method of cooling particulate material, especially fine-grained dust.
02/10/1993EP0526664A1 Apparatus for preparing and feeding iron scraps to an electrical furnace
01/1993
01/27/1993EP0524368A1 Automatic apparatus for monitoring and control of a vacuum thermal treatment furnace
12/1992
12/24/1992DE4120216A1 Position determn. of workpieces passing through tunnel furnace - measuring relationships of set positions to proximity sensors at entry and exit
12/22/1992US5173046 Apparatus for treating the exterior surface of plastic containers
12/17/1992DE4119772A1 Checking of heat exchanger efficiency - by shutting off flow through heat exchanger tubes and measuring temp. rise
12/10/1992DE4218153A1 Precision heating appts. with removable hot plate - used e.g. for soldering or adhesive bonding of articles, has structure which contains heating elements and coolant passages
11/1992
11/26/1992WO1992020936A1 Control valve for bootstrap hydraulic systems
11/17/1992US5165049 Phase difference control circuit for induction furnace power supply
11/03/1992US5160259 Draft control method and apparatus for material processing plants
10/1992
10/20/1992CA2040803A1 Carbon pollution mechanical sensor
10/13/1992CA1308684C Method and apparatus for the positioning of slabs
09/1992
09/22/1992US5149266 Method and apparatus for cooling hot material
09/22/1992US5149265 Method for firing direct-fired burner
08/1992
08/26/1992EP0500252A1 Method and apparatus for processing ceramics
08/22/1992CA2056268A1 Method and apparatus for processing ceramics
08/19/1992WO1992014980A1 Regulation of flowrate of liquid furnace products
08/19/1992CA2101253A1 Regulation of flowrate of liquid furnace products
07/1992
07/28/1992US5134261 Apparatus and method for controlling gradients in radio frequency heating
07/15/1992EP0494783A1 Furnace structure of semiconductor manufacturing apparatus
07/15/1992CN2110198U Long delay realy for lower-temp. water pump of intermediate frequency electric furnace
06/1992
06/24/1992EP0491636A1 In-situ soldering process and device for assembling and repairing structural elements to form vessel walls
06/24/1992CN1017158B Device for reducing the stresses on sealing shutter
06/17/1992EP0490869A1 Regulating circuit for the impedance regulation of an arc furnace
06/17/1992CN1017084B Closed vat type furnace for melting aluminium
05/1992
05/05/1992US5110287 Infra-red burner system for furnaces
04/1992
04/15/1992CN1060312A Process and apparatus for sintering operation
04/02/1992WO1992005295A1 Gas carburizing process and apparatus
03/1992
03/31/1992US5100315 Pocket wheel furnace apparatus
03/24/1992US5099442 Furnace temperature control apparatus using adjustment input
03/18/1992EP0475449A1 Method and apparatus for sintering operation
03/04/1992EP0472906A2 Method and apparatus for heating coverings for the production of sandwich elements from multicomponent plastics
02/1992
02/19/1992EP0471427A2 Installation for charging of melting furnaces
01/1992
01/21/1992US5082044 Method and apparatus for controlling the composition of a molten metal bath
01/14/1992US5081640 Method of controlling a temperature of a molten metal
12/1991
12/12/1991WO1991019147A1 Method and apparatus for control of carbon baking furnaces
11/1991
11/26/1991CA1292397C Method for providing variable output gas-fired furnace with a constant temperature rise and efficiency
11/14/1991WO1991017391A1 A cooler for cooling of particulate material, especially fine-grained dust
11/14/1991DE4014693A1 Burner for combustion chamber of a tunnel furnace - uses coanda effect to control supply of combustion air
11/05/1991US5063518 Alarm system for a crystal growing furnace
10/1991
10/29/1991US5061527 Method and apparatus for spray coating of refractory material to refractory construction
10/17/1991WO1991015727A1 Method and apparatus for controlling the raw material supply to an electrical melting furnace
10/09/1991EP0451075A1 Device for induction heating of metal workpieces
10/09/1991EP0450744A2 Apparatus and method for controlling power supply to an inductive load, such as a furnace
10/01/1991US5052921 Controlling temperature
10/01/1991US5052661 Controlling heat treating furnaces
09/1991
09/03/1991US5044944 Furnace of decreasing oxygen concentration to ultra low amount
08/1991
08/21/1991EP0442382A2 Controlling heat treating furnaces
08/21/1991EP0442129A1 Process and cooling grate for the cooling of warm charges
08/14/1991DE4004393A1 Cooling of hot layer in rotary-drum furnace - involves selective operation of magnetic valves directing forced air jets at grates which require additional cooling
07/1991
07/30/1991US5036181 Method and apparatus for supplying and controlling power to a resistance furnace
07/30/1991US5035597 Apparatus for manufacturing multi-element sintered material
07/30/1991US5035402 Furnaces
07/09/1991US5029821 Injection of halogen, sampling, detection
06/1991
06/20/1991DE3941467A1 Firing of electrode rods to form graphite - uses metal tube with preforms pushed steadily along while surrounded by hot gas
06/20/1991DE3941466A1 Furnace for firing carbonaceous parts to form graphite - comprises single tube heated with hot gas and has preheating chamber to drain excess binder and other liquids easily
06/20/1991DE3941465A1 Firing furnace for raw materials - circulating gas through heating tube and controlling oxygen level
06/05/1991CN2078431U Heat-exchanger protector for heating stove
05/1991
05/29/1991CN2077978U Precision experimental electric stove
05/23/1991DE4013707C1 Housing for industrial heating furnace - contains switchgear, control and indicators in one plane via module boards secured to housing wall
05/23/1991DE3922131A1 Electric furnace power supply control
05/21/1991US5017131 Atmosphere furnace
05/08/1991EP0425558A1 Method for cooling ceramics, especially ceramic tiles produced in roller kilns, and the relative plant
04/1991
04/23/1991US5009398 Device for reducing the stresses on a sealing shutter
03/1991
03/05/1991US4997077 Method and apparatus for the positioning of slabs
02/1991
02/26/1991US4996402 Method and apparatus for continuously melting material by induction heating
02/05/1991US4989840 Controlling high humidity atmospheres in furnace main body
01/1991
01/09/1991EP0407021A1 Method and means of reducing the oxidation of reactive elements in an electroslag remelting operation
01/03/1991CA2016194A1 Method and means of reducing the oxidation of reactive elements in an electroslag remelting operation
12/1990
12/25/1990US4979314 Method of controlling the temperature in a tunnel which is open at both ends, and apparatus for implementing the method
12/19/1990EP0403035A2 Method for attaining a temperature in a metal bath
12/18/1990US4978295 Kiln with ventilation system
12/04/1990US4975047 Oven provided with oxygen concentration controls
11/1990
11/22/1990EP0398105A2 Tunnel furnace
11/22/1990DE3916181A1 Tunnel oven with pyrometers for workpiece heat treatment - has self-adjusting temp. gradient maintained by process computer across heating zone followed by cooling tunnel
10/1990
10/30/1990US4966547 Heat treatment method using a zoned tunnel furnace
09/1990
09/05/1990EP0384987A1 Method and apparatus for continuously heating and melting material
09/04/1990US4954693 Ventilation regulated hot air supplied constant temperature oven
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