Patents for F25D 21 - Defrosting; Preventing frosting; Removing condensed or defrost water (6,980)
11/1986
11/18/1986CA1214239A1 Adaptive defrost control system for a refrigerator
10/1986
10/07/1986US4615179 Defrost diagnostic arrangement for self-defrosting refrigerator appliance
09/1986
09/02/1986US4608835 Cabinet for cooling goods, etc.
09/02/1986US4608832 Means and techniques useful in detecting frost
08/1986
08/27/1986EP0082144B1 Refrigerator defrost control
08/26/1986US4607501 Condensing and collecting vapors emanating from a land surface
08/13/1986EP0190794A2 Built-in refrigerator
08/05/1986US4603558 Receptacle for mounting in a freezer for assisting in the defrosting thereof
07/1986
07/23/1986CN86100482A Refrigerating apparatus with an improved defrosting water collector device
07/22/1986US4601176 Water frozen and water depletion state sensor for an ice product making apparatus
07/08/1986CA1207406A1 Control unit for refrigerator or freezer
06/1986
06/24/1986CA1206557A1 Air conditioning heat pump system having an initial frost monitoring control means
06/10/1986US4593533 Method and apparatus for detecting and controlling the formation of ice or frost
06/10/1986CN85108907A Refrigerated storage cabinet
06/03/1986US4592210 Air conditioner
05/1986
05/27/1986US4590771 Control system for defrosting the outdoor coil of a heat pump
05/06/1986US4586348 Refrigerator cabinet
05/06/1986US4586346 Gravity cooling coil device
04/1986
04/22/1986US4583378 Refrigerator
04/15/1986US4581901 Control system for a heat pump system
04/08/1986US4580624 Louver fin evaporator
04/08/1986US4580623 Heat exchanger
04/08/1986CA1202957A1 Gravity cooling coil device
04/01/1986USRE32100 Efficiency air cycle environmental control system
04/01/1986US4578959 Method and apparatus for detecting and controlling the formation of ice or frost
04/01/1986US4578902 Reversible refrigerator door with improved electrical outlet mounting arrangement
03/1986
03/25/1986US4577467 Frost diffusion system for refrigeration apparatus
03/19/1986EP0174365A1 Appliance control system
03/04/1986US4573326 Adaptive defrost control for heat pump system
02/1986
02/18/1986US4570447 Removing frost deposits from cooling-coil batteries in a freezing plant during operation
02/11/1986US4569205 Electric refrigerator having improved freezing and defrosting characteristics
01/1986
01/15/1986EP0167579A1 Measuring probe for determining the formation of ice or snow.
01/14/1986US4563877 Control system and method for defrosting the outdoor coil of a heat pump
12/1985
12/31/1985US4561263 Refrigeration or heat pump system defrost
12/18/1985EP0164948A2 Control system and method for defrosting the outdoor coil of a heat pump
11/1985
11/26/1985US4554794 Condensate receptacle support for dehumidifier
11/12/1985US4551982 Ice-thickness sensing device in refrigeration system
10/1985
10/29/1985US4549403 Method and control system for protecting an evaporator in a refrigeration system against freezeups
10/22/1985US4548049 Antisweat heater structure
10/16/1985EP0158581A2 Method and control system for protecting an evaporator in a refrigeration system against freezeups
10/08/1985US4545505 Electronic control circuits for electrically conductive liquids/solids
10/02/1985EP0156229A2 Device for draining water from a refrigerating apparatus on defrosting thereof
10/01/1985US4543799 Household refrigerator with air circulating and cooling arrangement
10/01/1985CA1194327A1 Method and arrangement for maintaining a frost-free freezer chamber
09/1985
09/12/1985WO1985003995A1 Appliance control system
09/11/1985EP0154119A1 Defrost control device for a refrigeration system
09/03/1985US4538420 Defrost control system for a refrigeration heat pump apparatus
08/1985
08/20/1985US4535600 Temperature control for a cycle defrost refrigerator incorporating a roll-bonded evaporator
08/20/1985US4535599 Control device for refrigerating equipment
08/06/1985US4532806 Sensor for monitoring the deposition of frozen fog and/or ice on surfaces
07/1985
07/30/1985US4531376 Refrigerator defrost control
07/23/1985US4530218 Refrigeration apparatus defrost control
07/23/1985US4530217 Defrosting device for a refrigerator
07/18/1985WO1985003135A1 Process and measuring probe for determining the formation of ice or snow
07/16/1985US4528821 Adaptive demand defrost control for a refrigerator
07/16/1985US4528820 Method and apparatus for removing frost deposits from cooling-coil batteries
07/10/1985EP0147825A2 Defrost control system for a refrigeration heat pump
06/1985
06/18/1985US4523439 Refrigerated display unit
06/11/1985USRE31909 Refrigerated display case having ambient air defrost
06/11/1985US4522036 Cooling device
05/1985
05/29/1985EP0142663A2 Defrost control method and device for heat pumps
05/28/1985US4519443 Window pane defroster device with vehicle air conditioning apparatus
05/21/1985CA1187301A1 Heat augmented heat exchanger system
05/08/1985EP0140453A2 Cabinet for cooling goods, for example, flowers
05/07/1985US4514988 Refrigerated display case having ambient air defrost
04/1985
04/30/1985US4513586 Combination compressor support and drain pan
04/30/1985US4513579 Method and arrangement for maintaining a frost-free freezer
04/16/1985US4510765 Control unit for refrigerators or freezers
04/09/1985US4509339 Automatic dispensing machine having a cooling unit
04/09/1985US4509338 Condensation elimination tank
04/03/1985EP0135958A2 Optical ice-deposition sensor
02/1985
02/19/1985US4499738 Control device for a refrigerator
02/05/1985US4497183 Compressor auxiliary condenser arrangement adapted to be mounted in a refrigerator machinery compartment
02/05/1985US4497181 Means to measure, indicate and regulate thickness of ice layer in refrigeration system
02/05/1985US4497179 Ice bank control system for beverage dispenser
01/1985
01/16/1985EP0089991B1 Method and arrangement for maintaining a frost-free freezer
01/08/1985US4492851 Swap action arrangement mounting an electric defroster heater to a finned refrigeration unit
01/01/1985US4490992 Household refrigerator compressor vibration isolator and condensate collecting tray
01/01/1985US4490991 High-side refrigeration system assembly adapted to be mounted in a refrigerator machinery compartment
01/01/1985US4490990 High-side refrigeration system assembly adapted to be mounted in a refrigerator machinery compartment
12/1984
12/27/1984CA1180081A Apparatus and method of detecting failure in a refrigerator defrost system
12/04/1984US4485639 Cooling device for a refrigerator compressor
12/04/1984US4485633 Temperature-based control for energy management system
11/1984
11/20/1984US4483153 Wide island air defrost refrigerated display case having a defrost-only center passage
11/13/1984US4481785 Adaptive defrost control system for a refrigerator
11/07/1984EP0124249A2 A receptacle for mounting in a freezer for assisting in the defrosting thereof
11/07/1984EP0124110A2 Defrosting device for several refrigeration plants
10/1984
10/23/1984US4478047 Energy efficient glass door merchandiser
10/23/1984CA1176729A1 Defrost control system and display panel
10/03/1984EP0120490A2 Defrost control system
10/02/1984US4474029 In a refrigeration system
10/02/1984US4474024 Defrost control apparatus and method
10/02/1984US4474017 Method of assembling an anti-sweat heater in a refrigerator cabinet
09/1984
09/19/1984EP0118436A1 Improved optical defrost apparatus
09/18/1984US4471633 Condensing unit
09/11/1984CA1174330A1 Defroster for a refrigerator
09/05/1984EP0117425A1 Signal transmitter for controlling the defrosting process on the air side of the evaporator of a heat pump or the like
08/1984
08/16/1984WO1984003138A1 Defrosting apparatus for gas cooling device
08/15/1984EP0115799A1 Method and device for the control of the initiation and termination of the defrosting of a heat pump evaporator
08/07/1984CA1172054A1 Method for producing heat by means of a heat pump using a mixture of fluids as working agents and air as heat source
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