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| Number | Title | Issue Date |
| 8122730 | Method and device for managing the operating conditions of a refrigerator compartment using a single sensor A method and device for managing the operating conditions of a refrigerator unit using a single sensor are disclosed. The method includes the steps of determining a sensor temperature of a refrigerator unit, determining to which a plurality of disjoint temperatures ... | 02/28/2012 |
| 8109103 | Load driving device, outdoor unit of air conditioner, and driving method of load After the power source to the control substrate is turned on, power is supplied to the compressor driver and the fan driver. Then, when it is determined that an indoor unit is in operation, the compressor driver and the fan driver are operated. Meanwhile, when it is... | 02/07/2012 |
| 8079225 | Refrigerating appliance provided with an OLED display A refrigerating appliance provided with a display including at least one organic light-emitting diode (OLED). The display can include a plurality of individual displays which are respectively provided with at least one OLED, and are superimposed in a sandwich-type a... | 12/20/2011 |
| 8020391 | Refrigeration device control system A refrigeration device includes a control device and a multiple cooling elements. A supply header delivers refrigerant to the cooling elements and a return header returns refrigerant from the cooling elements. A single pressure sensor provides a signal representativ... | 09/20/2011 |
| 8006504 | Air conditioning system It is possible to prevent that a liquid refrigerant is included in a refrigerant injected into a compressor. Accordingly, the risk of liquid compression of the compressor is greatly reduced, thereby decreasing the possibility of damage to the compressor and improvin... | 08/30/2011 |
| 7980085 | Compressor diagnostic system A system is provided and may include logic circuitry in communication with an intelligent device. The logic circuitry may process a refrigeration system operating parameter as a function of time and at least one of the logic circuitry and the intelligent device may ... | 07/19/2011 |
| 7905098 | Compressor diagnostic and protection system and method A system and method includes a compressor operable in a refrigeration circuit and including a motor, a current sensor providing a high-side signal indicative of an operating condition of a high-pressure side of the refrigeration circuit, a discharge line temperature... | 03/15/2011 |
| 7866170 | Method for cooling drinks and beverages in a freezer and refrigerator using such method A method for cooling a bottle in a freezer compartment of a refrigerator includes sensing the temperature of a zone of the freezer in which the bottle is placed, estimating the temperature of the bottle on the basis of the compressor status and of the sensed tempera... | 01/11/2011 |
| RE42006 | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor A diagnostic system includes a controller adapted for coupling to a compressor or electronic stepper regulator valve. The controller produces a variable duty cycle control signal to adjust the capacity of the compressor or valve position of the electronic stepper re... | 12/28/2010 |
| 7836709 | Refrigerator, monitoring system having refrigerator and control method thereof A refrigerator for monitoring the status of another space by means of a display device mounted to the refrigerator, a monitoring system having the refrigerator and a control method thereof. The refrigerator includes a body which is formed with a storage chamber, a d... | 11/23/2010 |
| 7827811 | Refrigerator control including a hidden features menu A refrigerator includes a cabinet within which is defined a fresh food compartment and/or a freezer compartment. The refrigerator further includes a control panel or user interface that enables a consumer to input desired operating parameters. The interface is also ... | 11/09/2010 |
| 7827810 | Air conditioner An air conditioner includes a case having an inlet provided at a front surface thereof to suck in air and an outlet provided at a lower surface thereof to discharge the air, and at least one displaying member provided at an outer border of the inlet so as to display... | 11/09/2010 |
| 7716935 | Refrigerator for managing food by using RFID Refrigerator for managing food by using RFID including a plurality of storage portions divided in the refrigerator for storing food, RFID devices each having storage information of each kind of food stored in the storage portions, and controller for reading the stor... | 05/18/2010 |
| 7712319 | Refrigerant charge adequacy gauge A method and apparatus for determining the sufficiency of refrigerant charge in an air conditioning system by the use of only two temperature measurements. The temperature of the liquid refrigerant leaving the condenser coil is sensed and the temperature of the cond... | 05/11/2010 |
| 7712320 | 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. Furthermore, the compressor is modulated according to the selected com... | 05/11/2010 |
| 7685830 | Method for detecting changes in a first media flow of a heat or cooling medium in a refrigeration system The invention concerns a method for detecting changes in a first flow of a heating or cooling medium in a refrigeration system whereby the first flow is conveyed through a heat exchanger wherein occurs heat transfer from the first flow to a second flow of a heating ... | 03/30/2010 |
| 7647783 | Compressor diagnostic system A diagnostic system and method for a compressor assembly including a compressor and a motor protector includes logic circuitry associated with the motor protector and operable to analyze a status of the motor protector as a function of time and identify a specific f... | 01/19/2010 |
| 7634918 | Refrigerator having user-controlled functions A refrigeration device may provide a snooze feature, in which the compressor of the refrigeration device is turned off for a predetermined period of time in response to a user command. The refrigeration device may also provide a quick chill feature, in which the com... | 12/22/2009 |
| 7621137 | Method of operation and regulation of a vapour compression system The present invention involves a compression refrigeration system including a compressor, a heat rejector, expansion means and a heat absorber connected in a closed circulation circuit that may operate with supercritical high-side pressure. An apparatus and method a... | 11/24/2009 |
| 7596958 | Refrigeration system with fiber optic sensing A refrigeration case monitoring system. In one embodiment, the refrigeration case monitoring system includes a first fiber optic cable, a second fiber optic cable, and a control system having a first sensing channel and a second sensing channel. The first fiber opti... | 10/06/2009 |
| 7568358 | Control for a refrigerator door dispenser light A door mounted dispenser for a refrigerator includes rear and opposing side walls that collectively define a cavity, a release mechanism for dispensing ice and/or water and a light for illuminating the cavity. The cavity light can be operated in one of three distinc... | 08/04/2009 |
| 7565813 | Thermostat having modulated and non-modulated provisions A thermostat providing modulated or analog control of valves or dampers of an air management system. This permits operating a single cooling or heating stage with partially open valves or dampers as needed, since one full stage that is either fully on or off may not... | 07/28/2009 |
| 7555910 | Refrigerator A refrigerator is provided in which a communication pad is installed in one of the doors to open and close storage spaces formed in a refrigerator main body. The communication pad is detachably installed in a seating space of the door. While an upper end of the comm... | 07/07/2009 |
| 7484376 | Compressor diagnostic and protection system and method A system and method includes a compressor, a motor drivingly connected to the compressor, a current sensor detecting current supplied to the motor, a discharge line temperature sensor detecting discharge line temperature, and processing circuitry receiving current d... | 02/03/2009 |
| 7472554 | Passenger environmental protection The system includes a carbon dioxide sensor, a temperature sensor and a controller. The carbon dioxide sensor is in electrical communication with the controller and generates a carbon dioxide signal indicative of the carbon dioxide level contained in the air within ... | 01/06/2009 |
| 7458223 | Compressor configuration system and method A system and method including a compressor operable in a refrigeration circuit and including a motor, a current sensor detecting current drawn by the motor and providing a high-side condition signal, a discharge line temperature sensor detecting a discharge line tem... | 12/02/2008 |
| 7434413 | Indoor air quality and economizer control methods and controllers Supervisory controllers, and methods, for use in a coordinated IAQ and economizer system. Various control objectives are defined and met. Some illustrative control objectives include economizer control, sequencing of economizer free cooling with compressor driven co... | 10/14/2008 |
| 7424343 | Method and apparatus for load reduction in an electric power system A system for load control in an electrical power system is described, wherein one or more data interface devices are provided to a cooling system. The data interface devices are configured to receive commands for controlling the cooling system. A remote monitoring s... | 09/09/2008 |
| 7404298 | Refrigerator Refrigerator including a body forming an outer appearance of the refrigerator, a terminal detachably mounted on the body for controlling the refrigerator, a power supply device at one side of the body, for receiving power from an outside of the refrigerator, convert... | 07/29/2008 |
| 7389649 | Cooling system with variable duty cycle capacity control A control system for a cooling system includes a first sensor for sensing a property indicative of demand for cooling and a controller coupled to the sensor. The controller produces the variable duty cycle control signal in response to the property and causes the co... | 06/24/2008 |
| 7386986 | Apparatus for generating heat of refrigerator and control method thereof An apparatus for generating heat and a control method thereof are provided which are capable of reducing the cost and simplifying coupling by using a cheap diode for lowering an applied voltage of a lamp instead of using an expensive capacitor used for the apparatus... | 06/17/2008 |
| 7367360 | Integrated piping plate, machining method for same, machining apparatus for same, and machining equipment for same A machining method for an integrated piping plate, for example, composed of a plurality of plates joined together, and in which an instrument and a component constituting an apparatus, or the instrument, or the component are or is disposed on one surface or both sur... | 05/06/2008 |
| 7364095 | Apparatus for judging target to be temperature-regulated Between a characteristic a of a process chamber 21a having a large pressure loss and a characteristic b of a process chamber 21b having a small pressure loss, threshold value A (flow rate value Q3, pressure value P3) is set ... | 04/29/2008 |
| 7360369 | Refrigerated food safety monitor A food refrigeration monitor includes a thermometer for measuring the temperature. A switch is operatively coupled to the thermometer and switches from a first state to at least a second state when a thermometer measures a temperature above a predetermined temperatu... | 04/22/2008 |
| 7352142 | Apparatus and method for controlling stroke of reciprocating compressor An apparatus for controlling an operation of a reciprocating compressor includes a voltage detecting unit for detecting a positive half-wave voltage of an AC voltage applied to a motor of the reciprocating compressor; a current detecting unit for detecting a positiv... | 04/01/2008 |
| 7352545 | Compressor terminal fault interruption method and apparatus A compressor terminal fault interruption method and interrupter for disconnecting power to a compressor terminal when terminal venting failure is imminent including a current sensing circuit for sensing current provided to the terminal by a power source and outputti... | 04/01/2008 |
| 7351043 | Horizontal compressor end cap A substantially horizontal compressor including a housing having a main body portion with an open end. An end cap is secured to the main body portion with the end cap being provided with a plurality of apertures. The hermetic terminal body of the compressor is seala... | 04/01/2008 |
| 7347061 | Oil checking device for compressor of air conditioning system An oil checking device for compressor of air conditioning system includes an oil container connected to an high-pressure part of the air conditioning system to receive refrigerant and oil from the high-pressure part, the oil container being formed of a transparent m... | 03/25/2008 |
| 7349824 | Method and system for evaluating the efficiency of an air conditioning apparatus The applicant describes a system and methods of calculating the overall operating efficiency of an air conditioning chiller that evaluates efficiency of the component parts of the chiller and generates an overall efficiency based on these component efficiency values... | 03/25/2008 |
| 7340339 | Power management system An exemplary power management system may include a power source configured to receive a fuel supply and a transmission driveably engaged with the power source. A control system communicates with the power source and the transmission and is configured to determine a ... | 03/04/2008 |
