Class / Patent application number | Description | Number of patent applications / Date published |
062231000 | TIME OR PROGRAM ACTUATOR | 20 |
20080236180 | SYSTEMS AND METHODS FOR FLEXIBLE REVERSAL OF CONDENSER FANS IN VENDING MACHINES, APPLIANCES, AND OTHER STORE OR DISPENSE EQUIPMENT - Systems and methods are provided for operating a condenser fan. The systems and methods may include a compressor and a condenser fan, where the condenser fan is operable in a forward mode and a reverse mode. The systems and methods may further include a programmable timer/microcontroller in communication with the compressor and the condenser fan, where the programmable timer/microcontroller operates the condenser fan between the forward mode and the reverse mode independently of a running cycle of the compressor. | 10-02-2008 |
20090205349 | SUCTION VALVE PULSE WIDTH MODULATION CONTROL BASED ON COMPRESSOR TEMPERATURE - A refrigerant system is provided with a pulse width modulation valve. A compressor temperature is monitored to prevent potential reliability problems and compressor failures due to an excessive temperature inside the compressor A control changes the pulse width modulation valve duty cycle rate to maintain temperature within specified limits, while achieving the desired capacity, and complying with design requirements of a conditioned environment, without compromising refrigerant system reliability. As the compressor temperature increases, the pulse width modulation valve duty cycle time is adjusted to ensure that adequate amount of refrigerant is circulated through the compressor to cool the compressor internal components. | 08-20-2009 |
20090211280 | HVAC system - An installable HVAC system is used for a vehicle. The HVAC system may comprise: a housing; a compressor; a motor operatively coupled to the compressor; a condenser in fluid communication with the compressor; and a power management controller configured to run the motor with power from a given power source. The compressor, the motor, the condenser, and the power management controller are located within the housing. The housing is configured to attach to an existing HVAC system of the vehicle. | 08-27-2009 |
20090211281 | Air conditioning apparatus and method for determining the amount of refrigerant of air-conditioning apparatus - In a refrigerant amount determining method of an air-conditioning apparatus, when a refrigerant amount determining mode is requested to be performed, whether or not the amount of refrigerant in the air-conditioning apparatus can be automatically determined. Thus, a user can easily check whether or not the refrigerant charged in the air-conditioning apparatus is excessive or insufficient. | 08-27-2009 |
20090241572 | Low Energy Consumption Air Conditioning System - An air-conditioning system including a water inlet, a processing module having a particle filter ( | 10-01-2009 |
20090266095 | Refrigerated Preservation Unit, Particularly for Domestic Use - A refrigerated preservation unit, particularly for domestic use, includes an internal compartment provided with an access door and with a refrigeration means. The unit includes an atmosphere control device constituted by a nitrogen generator, a control PLC, an oxygen analyzer, an overpressure/negative pressure valve, and a flexible plenum chamber. These components are all installed in a lower region of the unit, in the compartment normally used to accommodate the compressor and the condenser in traditional domestic refrigerators. The present invention allows to considerably improve the preservation times of food products stored inside home refrigerators when they are preserved loose and/or when the packages that contain them are not hermetically closed. The present invention allows in some cases to even treble the preservation time of the preserved products with a minimal additional energy expenditure of the electrical appliance. | 10-29-2009 |
20090277201 | REFRIGERATOR WITH FORCED-VENTILATION EVAPORATOR - A refrigerator having a compressor, a condenser and an evaporator connected in a refrigerant circuit, with the evaporator being forced-ventilated by a fan with adjustable power, the refrigerator including a control unit configured to regulate the power of the fan in inverse proportion to a thermal load of the refrigerator. | 11-12-2009 |
20090293522 | AIR-CONDITIONING SYSTEM CONTROL APPARATUS - An air-conditioning system control apparatus for controlling an air-conditioning system of a vehicle equipped with a motive power engine, having: a device for determining whether there is a history of a load that has been applied to a compressor, operated by the output of the motive power engine, equal to or greater than a threshold, during operation of the air-conditioning system; a device for carrying out initial operation process of the air-conditioning system if the load history determination device determines that there is a history of a load equal to or greater than the threshold has been applied to the compressor; and a device for carrying out liquid accumulation resolution process when liquefaction of a refrigerant occurs in the compressor only if the load history determination device determines that there is no history of a load equal to or greater than the threshold has been applied to the compressor. | 12-03-2009 |
20100064708 | AIR CONDITIONER - Disclosed is an air conditioner that provides a displaying apparatus that can present information on a predicted value of the integrated electricity per unit time, a predicted value of the electricity charge per unit time, and a predicted value of the amount of CO2 emission per unit time, at the start of operation. The air conditioner of the present invention comprises a predicted electricity efficiency speculating unit that speculates an electricity efficiency, which is an integrated electricity per unit time predicted from a set parameter set by the user this time, based on a stored value of the recent integrated electricity storing unit, a calculated result of the actual usage electricity efficiency calculating unit, and a compared result of the setting comparing unit, a predicted electricity efficiency calculating unit that calculates an electricity charge per unit time or a predicted amount of CO2 emission efficiency calculating unit that calculates an amount of CO2 emission per unit time, and a displaying unit that displays the electricity charge per unit time or the amount of CO2 emission per unit time or the integrated electricity charge per unit time, on a displaying apparatus, at a start of the air conditioner operation. | 03-18-2010 |
20100175403 | REFRIGERATOR - Provided is a refrigerator. The refrigerator includes a main body defining a storage compartment and a door for opening or closing the storage compartment. A quick-freezer for cooling a drink at a temperature lower than that of the storage compartment is provided in the storage compartment. | 07-15-2010 |
20180022184 | AIR CONDITIONER FOR VEHICLE | 01-25-2018 |
062234000 | Defrosting | 9 |
20090217688 | Refrigerating device - A refrigerating device for deep-frozen products is disclosed, having a coolant loop ( | 09-03-2009 |
20090320507 | AIR CONDITIONER CONTROL DEVICE - A control device includes a microcomputer and a storage element. The microcomputer is configured to execute an inspection operation mode in which an air conditioner is operated in inspection process in a manufacturing site, and a normal operation mode in which the air conditioner is operated at an installation site. When the operation state of the air conditioner fails to satisfy predetermined conditions, the microcomputer is configured to confirm that there is an error, and abnormally stop the air conditioner. When the air conditioner is abnormally stopped, the microcomputer is configured to cause the storage element to store predetermined operation information obtained during a period until abnormal stoppage of the air conditioner and to store the operation mode being executed at the time of occurrence of the error in the air conditioner. | 12-31-2009 |
20100018230 | REFRIGERATOR - A refrigerator is provided that includes a chilled interior and a cooling circuit for a coolant, the cooling circuit being provided with an evaporator, a compressor, and a condenser. The refrigerator further includes a controller as well as a fan for cooling the condenser and the compressor. The controller controls the fan to operate during an idle phase of the compressor. | 01-28-2010 |
20100115976 | AIR CONDITIONING SYSTEM - An air conditioning system is provided. The air conditioning system allows coolant to selectively flow through a series of bypass pipes and valves connecting an outlet of a compressor and an outlet of an expansion member. The series of bypass pipes and valves allow a defrosting function to be performed without performing a reverse cycle. | 05-13-2010 |
20100218528 | REFRIGERATION CYCLE APPARATUS - A refrigeration cycle apparatus | 09-02-2010 |
20110011109 | DUAL EVAPORATOR DEFROST SYSTEM FOR AN APPLIANCE - An appliance includes a compression stage, a condensation stage, and an evaporation stage. The evaporation stage includes a first evaporator for a first refrigerated enclosure and a second evaporator for a second refrigerated enclosure. A first valve in a condensation stage bypass line is openable to allow a supply of refrigerant to bypass the condensation stage during a defrost mode, where a condensation stage bypass line is positioned between an output of the compression stage and the second evaporator. A second valve is positioned in a line from the second evaporator to the input to the compression stage and is closeable to block a supply of refrigerant from the second evaporator to the compression stage during the defrost mode. An additional line positioned between the second evaporator and the first evaporator carries the supply of refrigerant from the second evaporator to the first evaporator in the defrost mode. | 01-20-2011 |
20110067423 | Defrost timer for refrigerator and refrigerator - The defrost timer is typically provided to remove frost on an evaporator in a refrigerator. The defrost timer includes a circuit board, a first terminal, a second terminal, a third terminal, a fourth terminal, a switching unit, a first AC line, a second AC line, a third AC line and a fourth AC line. The first AC line is provided on the circuit board and connects the first terminal and the switching unit. The second AC line is provided on the circuit board and connects the second terminal and the switching unit. The third AC line is provided on the circuit board and connects the third terminal and the switching unit. The fourth AC line is provided on the circuit board and connects the fourth terminal and the switching unit. Distance between the third AC line and the fourth AC line is at least 5 mm. | 03-24-2011 |
20110113805 | AIR CONDITIONER - An air includes: a compressor for compressing a refrigerant; an indoor heat exchanger for cooling or heating indoor with a refrigerant; an outdoor heat exchanger for exchanging heat of a refrigerant and outdoor air; an outdoor fan for ventilating outdoor air with the outdoor heat exchanger; a cooling/heating switching valve for switching cooling/heating; a first expansion device installed between the indoor heat exchanger and the outdoor heat exchanger; a CNT heater module installed between the outdoor heat exchanger and the cooling/heating switching valve to evaporate a refrigerant; a second expansion device installed between the outdoor heat exchanger and the CNT heater module; and a controller for sustaining a heating mode of the cooling/heating switching valve. | 05-19-2011 |
20190145687 | ICE-MAKER/ICE STORAGE BOX ASSEMBLY AND REFRIGERATOR | 05-16-2019 |