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Document Title |
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7590469 |
Method and apparatus for configuring a communicating environmental conditioning network
A method for configuring a communicating environmental conditioning network having a plurality of environmental interactive units communicatingly coupled with a plurality of space interactive...
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7484377 |
Method and apparatus for cooling system failure detection
A system and method for detecting failure of a cooling system in an alternating current machine, such as a motor and/or a generator. For example, in one embodiment energy wasting is initiated and a...
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7451609 |
Method of controlling compressor and controller
A compressor is operable to compress refrigerant at a variable operation frequency. According to a method of controlling the compressor, the compressor starts operating, and just after that, the...
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7328586 |
Repositionable attenuator
A repositionable attenuator for a terminal unit in a heating, ventilation, and air conditioning system is disclosed. The attenuator is positionable between at least a first and a second position....
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7310959 |
Method for actuating a fan using a plurality of characteristic curves and a control program for controlling the power of the fan
The present invention relates to control of a fan during which the power of the fan is determined from the characteristic curves of the fan motor, the operating parameters of the cooling system and...
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7299644 |
Refrigerator
A refrigerator includes a housing that encloses at least one interior space, a low temperature generator or refrigerating machine for cooling the interior space, and a control device for receiving...
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7272944 |
Vehicle air conditioner with non-contact temperature sensor
A vehicle air conditioner includes a non-contact temperature sensor for detecting a temperature in a predetermined area of a passenger compartment in non-contact, an air conditioning unit that...
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7269963 |
Vehicle air conditioning apparatus
Parameters are set in accordance with a running condition of a vehicle and an environmental condition based on a wiper operation signal of the vehicle. The parameters are used to calculate a stable...
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7234516 |
Air conditioner for vehicle use
When it is assumed that a vehicle is stopped or parked after its engine was stopped and a predetermined period of time has passed, a cold wind side air mixing door, hot wind side air mixing door,...
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7222494 |
Adaptive intelligent circulation control methods and systems
Adaptive intelligent circulation control methods and systems are used to help increase the comfort and/or reduce energy usage and equipment wear. In one illustrative embodiment, the circulation...
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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...
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7204091 |
Maintenance and cleaning for an ice machine
An ice-making machine and method of maintaining and cleaning an ice-making machine are provided. The ice-making machine has predictive maintenance and cleaning. Operational conditions of the...
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7174730 |
Method for controlling air conditioner having multi-compressor
Disclosed is a method for controlling an air conditioner having a multi-compressor capable of improving an ability that corresponds to a room cooling load or a room heating load and capable of...
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7172132 |
Balanced utility load management
A method and apparatus for controlling the operation of an air conditioning system and a plurality of auxiliary devices, with both the air conditioning system and the auxiliary devices being...
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7156317 |
Recirculating fan thermostat
A programmable thermostat with a heat-cool switch, a temperature value input, and a fan switch with on, auto, and recirculating positions, and a microprocessor that superimposes a fan recirculating...
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7152415 |
Refrigerated compartment with controller to place refrigeration system in sleep-mode
A refrigeration system is employed to cool a refrigerated compartment in a kitchen or restaurant. An electronic refrigeration controller controls various aspects of the refrigerated compartment,...
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7150158 |
Freezing prevention system for refrigeration device and air conditioner using the same
A freezing prevention system for a refrigeration device includes a freezing-prevention temperature sensor for detecting a refrigerant temperature in a refrigerant evaporator, and a control unit for...
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7028491 |
Method and apparatus for reducing inrush current in a multi-stage compressor
A compressor assembly having a first compression mechanism operatively coupled to a first motor and a second compression mechanism operatively coupled to a second motor. The first compression...
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6996999 |
Method and apparatus for controlling humidity with an air conditioner
Methods and apparatus for more effectively managing humidity of an inside space using an air conditioner are provided. In one illustrative embodiment, the system determines whether the humidity...
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6962058 |
Air conditioner and method of controlling such
The object of this invention is to provide an air conditioner with a variable capacity compressor ( 2 ) parallely connected to a fixed capacity compressor ( 4 ), and a method of controlling the...
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6928826 |
Method for controlling noise reduction of air conditioner
Disclosed is a method for controlling noise reduction of an air conditioner comprising the steps of: (a) stopping a compressor, when the air conditioner is stopped under the condition that the...
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6877328 |
Compressor operation following sensor failure
A compressor is controlled by generating and storing a compressor operation log. In addition, a compressor operation is selected from the compressor operation log in response to a sensor failure....
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6874326 |
Air conditioning system with two compressors and method for operating the same
Disclosed are an air conditioning system with two compressors and a method for operating the same, so as to variably change a compression capacity of a refrigerant according to the variation of...
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6851620 |
Floating actuator control system and method
A system and method of providing floating actuator control is provided. This system and method receives input command signals from an actuator controller, and effectively integrates these signals...
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6840051 |
Electronic evaporator dryer for eliminating odors in vehicle air conditioning systems
An apparatus and method for drying condensate from the heat exchanger of a vehicle's air conditioning system after operation in order to thwart odor buildup is provided. The apparatus and method...
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6837061 |
HVAC system shutdown sequence
A first solenoid-operated, discharge-line control valve ( 26 ) is moved between open and closed positions to control fluid flow in the discharge fluid line ( 18 ) between the compressor ( 12 ) and...
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6807815 |
Air conditioning system and method for operating the same
An air conditioning system and a method for operating the air conditioning system, in which a plurality of compressors are simultaneously or selectively operated, based on the difference between a...
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6715303 |
Air conditioner for motor vehicles
An air conditioner for vehicle has a refrigeration cycle with a variable displacement type compressor. A fuel cut control is carried out in response to a vehicle deceleration. In the fuel cut...
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6694753 |
Defrost delay module
A device and method for automatically defrosting a refrigeration system only during times of non-peak energy demand. The device is a defrost delay module that plugs into the current defrost timer...
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6670585 |
Humidity cabinet with automatic fluid fill system
A fluid fill system includes at least one sensor for indicating whether a fluid level in a reservoir is equal to or greater than a predetermined fluid level and a process control. The process...
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6644048 |
Method for shutting down a refrigerating unit
A refrigeration system for cooling a logic module includes an evaporator housing including an evaporator block in thermal communication with the logic module. The evaporator housing includes a...
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6637223 |
Control apparatus for variable displacement compressor
A control apparatus that promptly increases the displacement of a compressor after the compressor is started while liquefied refrigerant is lingering in an external circuit. The control apparatus...
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6615596 |
Dehumidification system using medium to low temperature refrigeration
A dehumification/refrigeration system has a first suction stop valve, first evaporator and first timer control contact and a second suction stop valve, second evaporator and second timer control...
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6604369 |
Method for controlling operation of kimchi storage device
Disclosed is a method for controlling operation of a kimchi storage device. A compressor operates immediately if the condition to operate the compressor is met, and a heater operates after a...
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6591622 |
Automatic temperature control
A method and device ( 18 ) to control the temperature T in a refrigerator or freezer cabinet ( 10 ), which keep a set temperature in a space ( 12 ) in the cabinet. The space is refrigerated by an...
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6593766 |
Method for estimating the duration of the interruptions in the supply from the electric mains in an electric apparatus having an electronic control
A method for estimating the duration of the interruptions in the supply from the electric mains in an electric appliance having an electronic control, in particular a household appliance, includes...
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6578373 |
Rate of change detector for refrigerant floodback
A floodback detector for refrigerant systems employing any of: minimum suction temperature, temperature rate of change and duration thereof; minimum superheat, superheat rate of change and duration...
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6546742 |
Displacement control method and apparatus for variable displacement compressor
A displacement control device comprises a control valve. The control valve controls the pressure in a crank chamber. The control valve includes a valve body, and an electromagnetic actuator. A...
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6474083 |
Variable displacement compressor with capacity control device
A capacity control device controls a discharge capacity of a variable displacement compressor for use in an automotive air conditioning system. The air conditioning system has the compressor and an...
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6471398 |
Temperature management apparatus for foodstuff in storage cabinet
A temperature management apparatus for foodstuffs stored in a storage cabinet, wherein a temperature sensor is placed in the storage cabinet to detect an inside temperature of the cabinet thereby...
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6449965 |
Vehicle air conditioner
A vehicle air conditioner includes a variable displacement compressor forming a part of a coolant circuit, detectors for detecting external information necessary for air conditioning, and a...
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6434957 |
Operation control method for air conditioning system and air conditioning system
It is an object of the present invention to provide an operation control method of an air-conditioning apparatus and an air-conditioning apparatus that prevent a plurality of air-conditioning...
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6427772 |
Electronic refrigeration control system
The present invention is direct to a system and method for electronically controlling the refrigeration and/or heating of the product storage compartment in a vending machine. The system includes a...
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6397608 |
Refrigerator
A refrigerator having a refrigerator evaporator and a freezer evaporator, capable of controlling the refrigerant circulation correctly and reducing the delay in the refrigerant behaviors. When...
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6370894 |
Method and apparatus for using single-stage thermostat to control two-stage cooling system
When a single-stage thermostat is appropriately connected to a two-stage cooling system, a microprocessor control activates low and high stages of cooling based on preset parameters. The cooling...
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6354093 |
Control system and related methods for refrigeration and freezer units
A cooling system and related method of defrosting a refrigeration unit or a freezer unit involves the steps of (a) monitoring a compressor running time, (b) monitoring an evaporator coil...
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6351957 |
Automotive air conditioning system
An air conditioning system for use in a motor vehicle powered by an internal combustion engine is described. The system comprises an electric motor powered by a battery; a compressor arranged to be...
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6298677 |
Reversible heat pump system
A control system for a reversible heat pump includes a system controller which polls the heating or cooling demands of zone controllers associated with a series of heat exchangers downstream of the...
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6278910 |
Compressor driving apparatus
A compressor driving apparatus comprises a module including a power supply, an inverter for driving a compressor, an inverter driver for driving the inverter, a CPU for generating a signal to be...
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6253561 |
Refrigerator with switching valve switching flow of refrigerant to one of refrigerant passages
A refrigerator includes a compressor, a condenser for liquefying a refrigerant discharged from the compressor, a plurality of refrigerant passages disposed at a downstream side of the condenser, a...
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