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| Number | Title | Issue Date |
| 8117857 | Intelligent temperature control system for extending battery pack life A method and apparatus for actively cooling the battery pack of an electric vehicle after the vehicle has been turned off, thereby limiting the adverse effects of temperature on battery life, are provided. Different battery pack cooling techniques are provided, thus... | 02/21/2012 |
| 8109104 | System and method for detecting decreased performance in a refrigeration system Systems and methods are provided for detecting performance degradation in a refrigeration system. Specifically, the present invention provides systems and methods for detecting, at a very early stage, a low refrigerant charge and degradation in condenser performance... | 02/07/2012 |
| 8087258 | Air conditioner, refrigerant filling method of air conditioner, method for judging refrigerant filling state of air conditioner as well as refrigerant filling and pipe cleaning method of air conditioner An air conditioner is arranged so as to be able to accurately judge a refrigerant filling state within the air conditioner regardless of environmental and installation conditions. The air conditioner has a computing section 102 for computing a condenser liqui... | 01/03/2012 |
| 8087257 | Air conditioner integrated management system and control method of the same Disclosed are an air conditioner integrated management system and an operational method of the same according to the present invention. The present invention can promptly detect and repair the device, where an error really occurred, by determining the error as an up... | 01/03/2012 |
| 8082743 | Battery pack temperature optimization control system A method and apparatus for limiting the adverse effects of temperature on the electrical energy storage system (ESS) of an electric vehicle after the vehicle has been turned off are provided. In general, whether or not coolant is circulated through a coolant loop co... | 12/27/2011 |
| 8069682 | Air conditioner that corrects refrigerant quantity determination based on refrigerant temperature An air conditioner performs a refrigerant quantity judging operation to judge the refrigerant quantity in a refrigerant circuit, and includes a heat source unit, utilization units, expansion mechanisms, a first refrigerant gas pipe, a second refrigerant gas pipe, a ... | 12/06/2011 |
| 8061152 | Wind speed detecting circuit capable of detecting the timing for replacing dust-proof element of electronic device A wind speed detecting circuit includes a heating unit, a first temperature sensor, a second temperature sensor, a control unit and a driving unit. The first temperature sensor detects a first temperature of an internal portion of an electronic device, thereby gener... | 11/22/2011 |
| 8042347 | Compressor inlet pressure estimation apparatus for refrigeration cycle system A compressor inlet pressure estimation apparatus for a refrigeration cycle system is disclosed. An electronic control unit 14 uses Tefin_lag(N) as an actual corrected temperature Tefin_AD(N) during a period Tp1 included in the timing t1 to t2... | 10/25/2011 |
| 8006505 | Air conditioning apparatus An air conditioning apparatus includes a vapor compression refrigerant circuit that uses carbon dioxide as a refrigerant, an electric component assembly for controlling an operation for structural devices, and a refrigerant emission pipe capable of emitting carbon d... | 08/30/2011 |
| 8001797 | Air conditioner monitor and alarm system A monitor system for an air conditioning unit having a suction refrigerant line and a liquid refrigerant line. The monitor system has two low pressure sensors mounted on the suction refrigerant line; a high pressure sensor mounted on the liquid refrigerant line; a b... | 08/23/2011 |
| 7997094 | Refrigerated merchandiser A refrigerated merchandiser that includes a case, a refrigeration system, at least one sensor, a controller, and a display. The refrigeration system is in communication with a product storage area of the case, and discharges a refrigerated airflow into the product s... | 08/16/2011 |
| 7987679 | Air conditioning apparatus By studying or storing refrigerating cycle characteristics of an air conditioning apparatus at the normal time and comparing them with refrigerating cycle characteristics acquired from the air conditioning apparatus at the time of operation, it becomes possible to e... | 08/02/2011 |
| 7954333 | Air conditioner A refrigerant circuit and an operation control means are provided. A refrigerant circuit is configured by the interconnection of a heat source unit, a plurality of utilization units, and expansion mechanisms. The heat source unit has a compressor and a heat source s... | 06/07/2011 |
| 7908875 | Monitoring system A monitoring system is provided that is capable of determining when the temperature of at least one point along a refrigeration unit is not within a standard temperature range known for the operation of the refrigeration unit at the at least one point. In particular... | 03/22/2011 |
| 7905100 | Method for controlling temperature in a refrigeration system A method for controlling a temperature in a refrigeration system using a quality decay value expressing an expected decay rate in quality of the products being refrigerated, and which depends on the temperature of air present in the refrigeration system. The quality... | 03/15/2011 |
| 7878009 | Cooling unit with data logging control A cooling unit includes a cabinet with a cooling chamber, a refrigeration system including an evaporator mounted, a compressor, a condenser, and a controller for controlling the cooling unit. The controller has a memory, a processor and an output interface. The cont... | 02/01/2011 |
| 7878010 | Air conditioner An air conditioner includes a refrigerant circuit, an operation controlling section, a stability judging section, a refrigerant quantity judging section, and a condition changing section. The operation controlling section is capable of performing a refrigerant quant... | 02/01/2011 |
| 7878008 | Smart rack and intelligent wireless climate sensors A smart rack having intelligent wireless climate sensors that detect and report one or more climate conditions is provided. The smart rack includes an enclosure that houses network elements and an array of intelligent wireless climate sensors that form a mesh networ... | 02/01/2011 |
| 7849699 | Digital control of ice making apparatus and output of operating status The subject application relates to a remote control system and method for an ice maker machine. The system, for example, can monitor and regulate the operations of a plurality of ice maker components. An output display can also be employed in order to output relevan... | 12/14/2010 |
| 7845179 | System and method for monitoring a compressor of a refrigeration system A system includes a compressor temperature sensor that generates a compressor discharge temperature signal corresponding to a compressor of a refrigeration system, a compressor pressure sensor that generates a compressor discharge pressure signal corresponding to th... | 12/07/2010 |
| 7823397 | System and method for detecting clogged state of pipe of heat pump type multi-air conditioner A method for detecting a clogged state of a pipe of a heat pump type multi-air conditioner includes: detecting a temperature of a pipe of an arbitrary indoor heat exchanger among a plurality of indoor heat exchangers; detecting a pressure of a refrigerant sucked int... | 11/02/2010 |
| 7814755 | Method and device for monitoring the temperature in a refrigerator A temperature monitoring process for a refrigerator interior and a device for such monitoring. A monitoring unit is formed by a temperature sensitive element and a thermal buffer liquid in a transparent container. The monitoring unit container is placed in the refri... | 10/19/2010 |
| 7784291 | Interactive control system for an HVAC system An interactive system for controlling the operation of an HVAC system is provide that comprises a thermostat for initiating the operation of the HVAC system in either a full capacity mode of operation or at least one reduced capacity mode of operation, and a control... | 08/31/2010 |
| 7784290 | Refrigeration systems having diagnostic devices A refrigeration system is provided that includes a low voltage control circuit, a high voltage control circuit, a refrigeration system component, a contactor, a plurality of detection points, and a diagnostic device. The contactor is controlled by the low voltage co... | 08/31/2010 |
| 7752853 | Monitoring refrigerant in a refrigeration system A method for monitoring refrigerant in a refrigeration system includes sensing, a refrigerant pressure of a refrigeration system, averaging the refrigerant pressure over a time period, determining an expected pressure based on said time period, comparing the average... | 07/13/2010 |
| 7752854 | Monitoring a condenser in a refrigeration system A method for monitoring a condenser in a refrigeration system includes calculating a thermal efficiency of the condenser based on operation of the condenser and averaging the thermal efficiency over a predetermined period. Further, the method comprises comparing the... | 07/13/2010 |
| 7681407 | Method and a device for detecting flash gas A method and a device for detecting flash gas in a vapor-compression refrigeration or heat pump system comprising a compressor, a condenser, an expansion device, and an evaporator interconnected by conduits providing a flow path for a refrigerant, by determining a f... | 03/23/2010 |
| 7665315 | Proofing a refrigeration system operating state A method of proofing a refrigeration system operating state includes monitoring a change in operating state of a refrigeration system component, determining an expected operating parameter of the refrigeration system component as a function of the change, and detect... | 02/23/2010 |
| 7647784 | Refrigeration device and method for detecting refrigerant amount of refrigeration device An air conditioner includes a main refrigerant circuit and a liquid level detection circuit. The main refrigerant circuit includes a compressor that compresses gas refrigerant, a heat source side heat exchanger, a receiver that stores liquid refrigerant, and user si... | 01/19/2010 |
| 7640757 | Air conditioner having an enhanced user perception An air conditioner having an enhanced user perception and a controlling method thereof are provided. A predetermined character and/or its applied character image are/is displayed on a display window of the air conditioner. The character and/or the character image ar... | 01/05/2010 |
| 7621138 | Abnormal state detecting apparatus of multi-type air conditioner and method thereof Disclosed are an abnormal state detecting apparatus of a multi-type air conditioner and a method thereof. The method comprises: a user's selecting a test operation, and then detecting plural indoor temperatures of indoor zones where a plurality of indoor units are i... | 11/24/2009 |
| 7603869 | Refrigerator having dispenser The present invention relates to a refrigerator having a dispenser. In the present invention, the dispenser is provided in a concave portion of a door to be exposed toward a front surface of the door. A water tank is installed between a rear surface of the dispenser... | 10/20/2009 |
| 7596959 | Monitoring compressor performance in a refrigeration system A method for monitoring compressor performance in a refrigeration system includes calculating an isentropic efficiency of a compressor of the refrigeration system, averaging isentropic efficiency over a predetermined period, comparing the average to an efficiency th... | 10/06/2009 |
| 7594407 | Monitoring refrigerant in a refrigeration system A method for monitoring refrigerant in a refrigeration system includes calculating a saturation temperature of refrigerant in a refrigeration system based on at least one of a discharge pressure and a discharge temperature of the refrigeration system; calculating an... | 09/29/2009 |
| 7578135 | Recessed climate controller A climate controller is mounted to a wall having an exterior surface. The climate controller includes a mounting bracket recessed within the wall and having a cavity therein. A faceplate is mounted to the mounting bracket and has an opening aligned with the cavity a... | 08/25/2009 |
| 7490477 | System and method for monitoring a condenser of a refrigeration system A system for monitoring a remote refrigeration system includes a plurality of sensors that monitor parameters of components of the refrigeration system and a communication network that transfers signals generated by each of the plurality of sensors. A management cen... | 02/17/2009 |
| 7469546 | Method and apparatus for monitoring a calibrated condenser unit in a refrigerant-cycle system A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or... | 12/30/2008 |
| 7436317 | Electric device with a user guide An electric device comprising a plurality of operating elements which can be operated by a user. Said device is associated with a status display device, and it also comprises a control logic unit which is coupled to the operating elements in order to detect user ope... | 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 |
| 7412839 | Remote data acquisition system and method An apparatus for diagnosing a cooling system includes a first sensor for sensing a first operating parameter, a second sensor for sensing a motor operating parameter, a controller in communication with the sensors for receiving a signal from each of the sensors, and... | 08/19/2008 |
