159553 ⎘
Sensing or detecting of parameters; Sensors therefor Sensor to detect if defrost is necessary
Sub-classes:DEFROST SYSTEMS AND METHODS FOR HEAT PUMP WATER HEATERS
#2Systems and Methods to Defrost an Evaporator
#3OBSTRUCTION DETECTION FOR A HEAT PUMP WATER HEATER SYSTEM
#4Using Setpoint Changes to Defrost Evaporator Coils
#5REFRIGERATED DRYER POWER SAVING CONTROLS
#6Systems and Methods for Passive and Active Hybrid Defrost Control for Pool/Spa Heat Pumps
#7SYSTEM AND METHOD TO PREDICT ICE GRADIENT IN REFRIGERATION UNITS
#8HEATING, VENTILATING AND AIR CONDITIONING HVAC SENSOR DEVICE
#9Alternative defrost mode of HVAC system
#10AIR CONDITIONER
#11Thermal energy reservoirs and heat pump systems
#12DEFROST SYSTEMS AND METHODS FOR HEAT PUMP WATER HEATERS
#13AUTOMATIC VISCOSITY CONTROL SYSTEM FOR FOOD PRODUCTS DISPENSED FROM FROZEN BEVERAGE AND SOFT-SERVE ICE CREAM EQUIPMENT
#14Carbon dioxide heat pump evaporator
#15REFRIGERATOR
#16Air conditioner defrosting control method and device, and non-transitory storage medium and air conditioner
#17Blocked coil detection system
#18Defrost systems and methods for heat pump water heaters
#19Method and system for operating a refrigeration system
#20Air conditioning device
#21Refrigerator and cloud server of diagnosing cause of abnormal state
#22Refrigerated dryer power saving controls
#23Cooling system
#24Heat pump system
#25Cooling system
#26System and method for defrosting/ de-icing an air-conditioner
#27Intelligent defrost control method
#28Heat pump secondary coolant loop heat exchanger defrost system for a motor vehicle
#29Air-conditioning device
#30Distributed control system for thermal snow melt and freeze protection systems
#31Defrosting determination device, defrosting control device, and air conditioner
#32System and method of controlling refrigerator and freezer units to reduce consumed energy
#33Evaporator coil protection for HVAC systems
#34Defrost operation management in heat pumps
#35Refrigerator with thermoelectric module
#36Vehicle air conditioner
#37Defrost control using fan data
#38Sensing module and refrigerator including same
#39Systems and methods for free and positive defrost
#40Defrost control using fan data
#41Intelligent defrost control method
#42Heat pump heating-cooling system using hybrid heat source and control method thereof
#43Detecting and handling a blocked condition in the coil
#44Air conditioner and defrosting operation method therefor
#45System and method for de-icing a heat pump
#46Defrost control using fan data
#47Air conditioner with two injection circuits and method of controlling the air conditioner
#48Defrost operation management in heat pumps
#49Vehicle air conditioner
#50Freezing detection device
#51Method and apparatus for initiating coil defrost in a refrigeration system evaporator
#52Defrost control using fan data
#53Air conditioner
#54Air conditioner for vehicle
#55Variable power defrost heater
#56DEMAND DEFROST FOR HEAT PUMPS
#57Adaptive defrost controller for a refrigeration device
#58Retrofittable air conditioner to refrigeration conversion unit
#59System and method for defrost of an HVAC system
#60CONTROL METHOD OF REFRIGERATOR
#61Method for defrosting an evaporator in a refrigeration circuit
#62CONTROL METHOD FOR REFRIGERATOR
#63Retrofittable air conditioner to refrigeration conversion unit
#64Ejector cycle
#65Refrigeration system with fiber optic sensing
#66THERMAL SUPERCONDUCTOR REFRIGERATION SYSTEM
#67Heating And Defrosting Methods And Apparatus
#68Air conditioner defrost system
#69Refrigerator and control method thereof
#70Refrigeration device and operating method for the same
#71Mobile refrigeration system and control
#72Mobile refrigeration system and control
#73Control system for icemaker for ice and beverage dispenser
#74Mobile refrigeration system and control
#75Freezer case including self-conforming baffles
#76Transcritical heat pump water heating system using auxiliary electric heater
#77Freezer with defrosting indicator
#78Defrosting methodology for heat pump water heating system
#79System and method for heat and energy recovery and regeneration