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Match Document Document Title
8726683 Device for deicing and cleaning of fans  
The invention pertains to a method and apparatus for removing ice layers and/or snow layers and/or dirt layers from the rotor blades of axial fans in cooling installations for refrigerating and/or...
8621880 Air conditioner and method for controlling the same  
An air conditioner is provided. The air conditioner includes a heat exchanger which exchanges heat with air by passing a coolant therethrough; and an anti-freeze apparatus which prevents the...
8584476 Air conditioner and method for controlling the same  
An air conditioner is provided. The air conditioner includes a heat exchanger which exchanges heat with air by passing a coolant therethrough; an anti-freeze apparatus which prevents the freeze of...
8539783 System for preventing condensation on refrigerator doors and frames  
An improved refrigerator energy management system removes condensation from glass refrigerator doors in an energy efficient manner by operating refrigerator frame heaters independently of...
8522567 Air conditioner and method for controlling the same  
An air conditioner is provided. The air conditioner includes a heat exchanger which exchanges heat with air by passing a coolant therethrough; an anti-freeze apparatus which prevents the freeze of...
8424324 Refrigerant evaporators with pulse-electrothermal defrosting  
An pulse electro thermal defrost evaporator system has multiple refrigerant tubes formed from an electrically conductive metal and connected in parallel for refrigerant flow. These tubes are,...
8087261 Defroster for evaporator in refrigerator  
A refrigerator is provided that includes a cold air duct that receives cold air circulating inside of a refrigerating chamber and a freezing chamber, an evaporator in the cold air duct, at least...
8076945 Autosensitive detector and measurement system  
This disclosure relates to an autosensitive detector and an autosensitive measurement system with a self-adjustable set-off value, and more specifically, to a probe for adaptation to an...
7921660 System and method for controlling defrost cycles of a refrigeration device  
Methods, systems and computer readable code for controlling a defrost cycle of a refrigeration device are disclosed. According to some embodiments, a defrost command is issued to a defrost heater...
7454918 Refrigeration and defrost control system  
A system and method for refrigeration timer control having an energy efficient defrost cycle are provided. The system and method provide a delay time after the refrigeration cycle and prior to the...
7228692 Defrost mode for HVAC heat pump systems  
A heat pump, and in particular a heat pump for heating a hot water supply is provided with an improved defrost mode. The defrost mode is actuated to remove frost from an outdoor evaporator that...
7210302 Refrigerator with regulable dehumidification  
A no-frost refrigerator includes at least one storage compartment, an evaporator, which can be switched on and off and is disposed in a chamber that is separate from the storage compartment, and a...
7131282 Defrosting  
The present invention relates to an apparatus and method for defrosting an absorption refrigerator comprising the steps of determining a defrost start time for defrosting of the low temperature...
6851270 Integrated refrigeration control  
An integrated refrigeration control (IRC) module is disclosed which combines both thermal and electrical protection to the main components of a refrigerator and uses sensor inputs to control the...
6668566 System and a method of automatic defrost for a refrigeration appliance  
A system and a method of automatic defrost for a refrigeration appliance, including a hermetic compressor driven by an electric motor (1); a control unit (2); a thermal switch means (10) having a...
6662578 Refrigeration system and method for controlling defrost  
A refrigeration system and method for controlling defrost includes a refrigeration case, an evaporator disposed in the refrigeration case, and a condenser and compressor coupled in fluid...
6622498 Method for defrosting refrigerator with two evaporator  
The present invention relates to a method for defrosting a refrigerator with two evaporators, and more particularly, to a method for defrosting a refrigerator with two evaporators, in which the...
6606870 Deterministic refrigerator defrost method and apparatus  
A defrost control system for a self-defrosting refrigerator is configured to monitor a compressor load, determine whether at least a first defrost cycle is required based on the compressor load,...
6178760 Electric vehicle air conditioner system and method for effecting defrosting operation before battery charging operation  
An air conditioner system for vehicles has an exterior heat exchanger, which is used as an evaporator at the time of heating operation. A control unit monitors the heating operation and stores a...
6131400 Operation control method for a refrigerator in case of a power-supply comeback after a power-failure  
An operation control method for a refrigerator after a power-supply comeback due to a power-failure that performs a re-operation according to operation information stored before the power-failure....
6058724 Refrigerator defrost controlling method  
A refrigerator defrost controlling method includes the step of setting an initial defrost cycle, the step of determining whether defrost entering conditions are met, the step of driving a defrost...
6047554 Optimum defrosting cycle control method for inverter refrigerator  
The present invention relates to an optimum defrosting cycle method of an inverter refrigerator. In the past, a defrosting cycle setting method for a conventional refrigerator with which a...
5966951 Absorption refrigerator with automatic defrosting  
A refrigerator cabinet operated by an absorption refrigerating apparatus has a freezing compartment cooled by an upper part of an evaporator of the apparatus and a refrigerating compartment that...
5931009 Defrosting apparatus of air conditioner and method thereof  
A defrosting apparatus of an air conditioner and method thereof are provided to efficiently carry out a defrosting operation during the heating operation by comparing temperature of an outdoor...
5816054 Defrosting apparatus for refrigerators and method for controlling the same  
A defrosting apparatus for a refrigerator and a method for controlling the defrosting apparatus, wherein the refrigerating compartment is cooled irrespective of the internal temperature of the...
5799498 Defroster for indirect-freezing refrigerator  
A defroster for an indirect-freezing refrigerator is disclosed including a fan motor for circulating freezing air; a light passing hole for engagingly rotating with the rotation axis of the fan...
5765382 Adaptive defrost system  
An adaptive defrost control for a refrigerator is shown in which a single linear power supply (12) and microprocessor (U1) is used for both the adaptive defrost and cold control functions....
5692385 System and method initiating defrost in response to speed or torque of evaporator motor  
An apparatus for use with a refrigeration system including a compressor for compressing a working fluid evaporated in an evaporator and condensed in a condenser. A control circuit initiates...
5666816 Defrosting method and apparatus for refrigerator using GA-fuzzy theory  
There are described a defrosting method and apparatus of a refrigerator using a GA-fuzzy theory. The defrosting method comprises the steps of: inputting reference learning data by experiment and...
5533350 Defrost control of a refrigeration system utilizing ambient air temperature determination  
A method for determining the time to begin and end a defrosting cycle of an evaporator included within a refrigeration system. Decisions as to initiate and terminate defrosting operations are...
5515692 Power consumption determining device and method  
A device and method is provided for automatically defrosting a refrigeration system. The present invention includes a microprocessor which initiates a defrost cycle during a time of day which is...
5460010 Refrigerator  
In a refrigerator, the inner space of a heat insulated housing is divided to form a refrigerating compartment, a freezer compartment, and a vegetable compartment. A projection which contacts with...
5456087 Refrigeration system with failure mode  
A defrost controller for a refrigerator/freezer including one or more of the following features: (1) a timer module that can serve as a real time, cumulative time or variable time defrost timer;...
5415005 Defrost control device and method  
A device and method is provided for automatically defrosting a refrigeration system. The present invention includes a microprocessor which initiates a defrost cycle during a time of day which is...
4724678 Self-calibrating control methods and systems for refrigeration systems  
Disclosed are refrigeration system control systems and methods for compressor motor protection and defrost control. The disclosed systems and methods are generic in the sense that they are...
4535599 Control device for refrigerating equipment  
A control device for refrigerating equipment endowed with devices to regulate the temperature and the level of humidity in the refrigerated space utilizing temperature sensors located in the...
4530217 Defrosting device for a refrigerator  
The present invention relates to a defrosting device, for a refrigerator with a number of cooling compartments, which only supplies heat to the evaporator in the fresh food compartment when...
4510765 Control unit for refrigerators or freezers  
A refrigerator or freezer of the type having an electrical defrost heater associated with its evaporator has a control unit including a switch device with a first pair of contacts (16, 17)...
4474024 Defrost control apparatus and method  
Method and apparatus are disclosed wherein a circuit for detecting the phase angle of a motor is disclosed. This circuit utilizes zero crossing detectors to compare the voltage and current signals...
4433555 Defroster for a refrigerator  
The invention relates to refrigerator apparatus and particularly to the defrosting thereof. The thermostat is responsive to evaporator temperature and has first and second displacement ranges for...
4169358 Defrosting apparatus for a refrigerator  
The invention relates to a refrigeration assembly and particularly to defrosting apparatus therefor. The assembly includes a bellows operated thermostatic motor switch responsive to evaporator...
4123792 Circuit for monitoring the mechanical power from an induction motor and for detecting excessive heat exchanger icing  
An electronic signal proportional to IcosĪø for an induction motor is substantially proportional to the mechanical power output of the motor. This signal is detected by rectifying a signal which is...
4104888 Defrost control for heat pumps  
A control system for monitoring frost accumulation on the coil of a heat pump. An operational parameter of the heat pump compressor responsive to frost accumulation, such as compressor current, is...
3474638 ELECTRONIC REFRIGERATION SYSTEM DEFROST CONTROL  
3385076 Defrost system and parts therefor or the like  
3321928 Defrosting control for a refrigeration device  
3256707 Control defrost device for refrigeration apparatus  
3057169 Refrigerating apparatus with defrost means  
2949016 Defrosting control means for refrigeration apparatus  
2881599 Device for thawing an ice separator used in a system comprising a cold gas refrigerator  

Matches 1 - 50 out of 55 1 2 >