| Entries |
| Document | Title | Date |
|---|
| 20080282715 | Control Device for Refrigeration or Air Conditioning Systems - The invention relates to a control unit for a refrigeration or air conditioning device, comprising a main processor that is situated in a housing and that controls the temperature, fan and/or the defrosting process of a refrigeration or air conditioning device. Contact points for a co-processor, which is separate from the main processor and is suitable for controlling an electronic expansion valve, are located in said housing. | 11-20-2008 |
| 20090049850 | Pipe-connection searching apparatus for multi-air conditioner - A pipe-connection searching apparatus and method for a multiple air conditioner. The apparatus and method involving the identification of one of a plurality of indoor units, based on temperature criteria, and matching the one indoor unit to a corresponding one of a plurality of pipes that connect an outdoor unit to the plurality of indoor units, respectively. | 02-26-2009 |
| 20090158759 | Air conditioning system - Provided is an air conditioning system which can automatically switch the operating mode of at least one indoor unit based on the difference between a measured indoor temperature provided by an indoor temperature sensor and a predefined set indoor temperature and then set a new set indoor temperature. The air conditioning system does not require a user to manually switch the operating mode of the indoor unit, thereby maximizing user convenience. In addition, the air conditioning system can maintain optimum room temperature. | 06-25-2009 |
| 20090158760 | High Efficiency Cooling and Heating Apparatus - A high efficiency cooling and heating apparatus comprises an outdoor condensing unit having a high speed fan disposed within a housing. Also disposed with the housing is a micro compressor run by a high speed brushless DC motor with a custom winding to increase efficiency and decrease weight. A control circuit allows the motor to operate at high speeds almost instantaneously. The fan pulls air across a dual condenser coil disposed within the housing. An indoor evaporative unit also houses a high speed fan along with a control circuit to allow an operator to select cooling or heating an air flow. The indoor and out door units are connected with hoses to provide heat exchange. The apparatus can be operated at a much higher ambient temperature than conventional air cooling and heating systems. | 06-25-2009 |
| 20090193826 | Refrigerator - There is provided a temperature switching compartment | 08-06-2009 |
| 20090260377 | HEATING AND AIR-CONDITIONING SYSTEM FOR A MOTOR VEHICLE - A heating and air-conditioning system for a motor vehicle, having at least one running-state system having a heat exchanger and a blower to supply an air flow across the heat exchanger; and a stop-state system having a heat carrier loop connected to the running-state heat exchanger, wherein coolant within the heat carrier loop can stream through the running-state heating heat exchanger. The system can include a housing having a stop-state coolant heater or cooler, a pump to move a coolant through the heat carrier loop, a controller to control the pump and the running-state blower (including the use of a temperature sensor), a power supply, which is available in a stopped state, and a blower to supply an air flow across the running-state heat exchanger. The housing can have a connection interface corresponding to running-state air ducts, whereby retroactive installation of the system is facilitated. | 10-22-2009 |
| 20100205986 | SUPERCOOLING APPARATUS - The present invention discloses an apparatus for supercooling which can stably maintain a liquid in a supercooled state at below a phase transition temperature. The apparatus for supercooling, which can maintain a supercooled state of a liquid or contents even below a phase transition temperature, comprises: a storage space for storing a container accommodating a liquid or contents containing the liquid; a cooling means for cooling the liquid or contents or the storage space below the phase transition temperature of the liquid or the contents; and a temperature maintaining unit for applying energy to the surface of the liquid or contents or to a gas near the surface, wherein the liquid or the contents are maintained in a supercooled state by preventing freezing nuclei from being formed on the surface of the liquid or contents or in the gas near the surface by application of energy. | 08-19-2010 |
| 20110126565 | INCUBATOR - An incubator includes: an enclosure including a culture chamber; a heater configured to heat the culture chamber; a refrigerator including an evaporator and a condenser, and configured to cool the culture chamber; a temperature sensor configured to measure the culture chamber temperature; a refrigerator control unit configured to cause the refrigerator to operate, when a measured temperature measured by the temperature sensor reaches a refrigerator-operation temperature, higher than the set temperature by a first temperature, and cause the refrigerator to stop operating, when the measured temperature reaches a refrigerator-operation stopping temperature, lower than the set temperature by a second temperature; a heater control unit configured to control the heater in such a manner that the measured temperature reaches the refrigerator-operation temperature, when operation of the refrigerator is stopped; and a drain mechanism configured to discharge dew condensation water generated through heat absorption by the evaporator out of the enclosure. | 06-02-2011 |
| 20110167849 | VEHICULAR AIR-CONDITIONING SYSTEM - A vehicular air-conditioning system has a heat pump circulation passage for circulating a coolant with a compressor. To the heat pump circulation passage, there are connected a condenser for performing a heat exchange between a coolant and ambient air, an expansion valve, a first evaporator, a heater, and a second evaporator. The heat pump circulation passage includes a coolant retrieval passage extending from a divider between the condenser and the gas-liquid separator and connected to the compressor. A second backflow check valve for preventing the coolant from flowing from the compressor to the divider and a solenoid-operated valve are connected to the coolant retrieval passage. | 07-14-2011 |
| 20110214443 | AIR CONDITIONER - An air conditioner includes: an air passage | 09-08-2011 |
| 20110289949 | REFRIGERATOR - A refrigerator includes a refrigerator body defining at least one storage space, and a door connected to the refrigerator body for closing at least a part of the storage space. A dispenser is provided in the door and includes a dispenser casing which is supplied with heat by a first heater. A control unit automatically controls the on and off operation of the first heater. Arranged near the first heater is a second heater to optionally supply extra heat to the dispenser casing in a manually initiated auxiliary heating mode. | 12-01-2011 |
| 20110302942 | ENVIRONMENT CONTROL UNIT WITH REACTIVE OXYGEN SPECIES GENERATOR - An environment control unit including an environment control system, a reactive oxygen species (ROS) generator, and a controller. The refrigeration system and the ROS generator positioned within a housing of the environment control unit and providing conditioned air to the interior of a cargo space to clean and condition air and surfaces within the cargo space. | 12-15-2011 |
| 20110308264 | REFRIGERATOR - The present invention relates to a refrigerator which can maintain a stored object in a desired state by controlling the temperature of an upper region and a lower region in the same storing space. The refrigerator includes a non-freezing apparatus having a storage room with a storing space composed of an upper space and a lower space, the air or heat exchange being limited between the upper space and the lower space, and a temperature control unit controlling the temperature of the upper space and the lower space. The non-freezing apparatus is installed in a storing space in which the cooling is performed and controls the temperature control unit to perform at least one of a process of rapid cooling at a temperature over the phase transition temperature, a process of entering a supercooling temperature region, and a process of maintaining the supercooling temperature region. | 12-22-2011 |
| 20110314852 | AIR CONDITIONER - An air conditioner includes a refrigerant circuit, an electromagnetic induction heating unit, and a control unit. The refrigerant circuit has a compressing mechanism with an adjustable operating capacity, a heat source side heat exchanger, an expansion mechanism, and a utilization side heat exchanger. The electromagnetic induction heating unit heats a refrigerant piping and/or a member that is in thermal contact with a refrigerant that flows through the refrigerant piping. The control unit sets the electromagnetic induction heating unit to a forced inhibit state if any one of a condition in which the electromagnetic induction heating unit has been manually set to operation inhibited; a condition in which an air conditioning load is small; and a condition in which an amount of circulating refrigerant is small is satisfied. | 12-29-2011 |
| 20120023988 | DESICCANT AIR-CONDITIONING SYSTEM - To reduce energy consumption, a desiccant air-conditioning system is provided with: an air supply channel | 02-02-2012 |
| 20120042673 | HEAT PUMP - A heat pump including a boiler is disclosed. The heat pump may include the boiler which may be selectively operated based on a temperature of external air or an electric power rate per unit heat quantity. | 02-23-2012 |
| 20120180508 | AIR-CONDITIONING HOT-WATER SUPPLY SYSTEM, AND HEAT PUMP UNIT - Problem to be Solved: | 07-19-2012 |
| 20120210742 | AIR-CONDITIONING APPARATUS - To obtain an air-conditioning apparatus that appropriately determines the state of stagnating refrigerant in a compressor, and suppresses power consumption while the air-conditioning apparatus is not in operation. When a compressor temperature change rate is determined to be higher than a refrigerant temperature change rate, a controller identifies that liquid refrigerant in a lubricant oil in a compressor has been totally gasified, stops energizing a motor unit, and ends a heating operation of the compressor. | 08-23-2012 |
| 20120222440 | REGRIGERATION CYCLE APPARATUS AND INFORMATION TRANSFER METHOD USED THEREIN - To provide a refrigeration cycle apparatus that achieves load balancing (for example, the balance between the cooling load and the heating load, and the balance between the cooling load and the heating and hot water loads) to increase system COP and an information transfer method used in the refrigeration cycle apparatus. A refrigeration cycle apparatus operates a plurality of indoor units so that the thermal cooling load and the thermal heating load to be executed by the plurality of indoor unit are balanced. | 09-06-2012 |
| 20130000336 | COOLING BOX - A cooling box to perform temperature control so that an internal temperature of the cooling box storing an item to be refrigerated becomes equal to a set temperature includes: a control device including an ambient-temperature sensor to detect an ambient temperature of the box, and adjust a supply amount of warm air into the box after stopping supply of cold air thereinto based on the ambient temperature; and a thermally-insulating-door sensor to detect whether an opening connected with the interior of the cooling box is in either an open or closed state, when the sensor detects a change of the opening from an open to closed state, the control device executing control so that the warm-air-supply-amount reaches a first value until a predetermined period has elapsed, and executing control so that the warm-air-supply-amount reaches a second value smaller than the first value after the predetermined period has elapsed. | 01-03-2013 |
| 20130199224 | AIR-CONDITIONING APPARATUS - While a compressor is stopped, a change rate of a refrigerant temperature per predetermined time is calculated on the basis of a value detected by a refrigerant temperature sensor, and a heating amount from a compressor heating unit to the compressor is made proportional to the change rate of the refrigerant temperature. | 08-08-2013 |
| 20130239601 | HEAT PUMP WITH DOWNSTREAM SENSOR FOR MULTILEVEL CONTROL OF A SUPPLEMENTAL HEATING ELEMENT - A heat pump having a supplemental resistive heat element that varies its heat output based on the air temperature downstream from it, rather than from the air temperature at the room thermostat or from the air temperature after the heat exchanger but before the variable supplemental resistive heating element. | 09-19-2013 |
| 20140083122 | INTEGRAL AIR CONDITIONING SYSTEM FOR HEATING AND COOLING - An air conditioner includes a first compressor and a first indoor heat exchanger, and the air conditioner forming a first refrigeration cycle. A cooler includes a second compressor and a second indoor heat exchanger, and the cooler forming a second refrigeration cycle The cooler includes a sensing part to detect a pressure and/or temperature of a refrigerant circulating in the second refrigeration cycle; and a branch part includes a plurality of branches for dividing the refrigerant to be introduced into the second heat exchange part. | 03-27-2014 |
| 20140245767 | Vehicle Air Conditioning Apparatus - A vehicle air conditioning apparatus can ensure that the temperature of the air supplied to the vehicle interior is a preset temperature by securing the quantity of heat release for the radiator during a cooling and dehumidifying operation. The valve opening of the condensing pressure regulating part of the first control valve is smaller when the calculated opening SW of the air mix damper is equal to or more than the predetermined value than when the opening SW is smaller than the predetermined value. Accordingly, when the quantity of heat release is not sufficient in the radiator, it is possible to increase the condensing pressure of the refrigerant in the radiator to raise the temperature of the refrigerant in the radiator. Consequently, it is possible to secure the amount of heating, and therefore to ensure that the temperature of the air supplies to the vehicle interior is a preset temperature. | 09-04-2014 |
| 20140331702 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus including a refrigeration cycle configured by connecting one or more load-side units including a load-side heat exchanger and a load-side expansion device with a heat-source-side unit including a heat-source-side heat exchanger and a compressor and by causing refrigerant to circulate through a refrigerant circuit including the load-side heat exchanger, the load-side expansion device, the heat-source-side heat exchanger, and the compressor, controls, during a heating operation, the opening degree of the load-side expansion device, based on the discharge pressure of the compressor, so that the pressure of refrigerant at the outlet of the compressor becomes equal to a target pressure, in the case where the operation capacity of the compressor is approximately at the maximum value of the operation capacity of the compressor. | 11-13-2014 |
| 20140338382 | VEHICLE AIR CONDITIONING APPARATUS - A vehicle air conditioning apparatus includes an outdoor expansion valve controller configured to control an evaporating temperature of a refrigerant in a heat exchanger by regulating an opening of an outdoor expansion valve during a heating and dehumidifying operation, an evaporating temperature control valve provided in a refrigerant flow passage to an output side of the heat exchanger from which the refrigerant is discharged, and configured to control the evaporating temperature of the refrigerant in the heat exchanger by regulating an amount of the refrigerant flowing through the refrigerant flow passage, a temperature detector configured to detect a temperature of the refrigerant in the heat exchanger, and a control changer configured to change control of the evaporating temperature of the refrigerant in the heat exchanger from by regulating an opening of the outdoor expansion valve to by regulating an opening of the evaporating temperature control valve. | 11-20-2014 |
| 20140373562 | VEHICLE AIR CONDITIONING APPARATUS - In a vehicle air conditioning apparatus, during a cooling operation, and a cooling and dehumidifying operation, a refrigerant flows through an outdoor heat exchanger, flows through a supercooling radiator, and then flows into a radiator to absorb heat. During a heating operation, the refrigerant flows through a heat exchanger and then is sucked into a compressor without passing through the supercooling radiator. During a first heating and dehumidifying operation, the refrigerant flows through another radiator, flows through the supercooling radiator, and then flows into another heat exchanger to absorb heat. | 12-25-2014 |
| 20150040594 | VEHICLE AIR CONDITIONING APPARATUS - A vehicle air conditioning apparatus is provided that can prevent temperature variations of the air after the heat exchange in a radiator to reliably control the temperature of the air supplied to the vehicle interior. During the heating operation and the heating and dehumidifying operation, target degree of supercooling SCt when target air-blowing temperature TAO is a predetermined temperature or higher is set to SCt1 that is greater than SCt2 when the target air-blowing temperature TAO is lower than the predetermined temperature. When amount of air Ga supplied from indoor fan | 02-12-2015 |
| 20150040595 | REFRIGERATION CYCLE APPARATUS - A refrigeration cycle apparatus simultaneously performs a cooling operation mode in which a refrigerant from a compressor is caused to flow to an indoor heat exchanger of an indoor unit having a cooling load, and a hot water supply operation mode in which a refrigerant from the compressor is caused to flow to a water heat exchanger of a hot water supply unit having a hot water supply demand. An operation control part switches the control mode of the simultaneous cooling and heating and hot water supply operation mode between a cooling-prioritized mode and a hot-water-supply-prioritized mode according to the relationship between the cooling load and the hot water supply load. | 02-12-2015 |
| 20150135750 | HOT AND COLD WATER AIR CONDITIONING SYSTEM - The hot and cold water air conditioning system includes a water temperature sensor configured to detect a temperature of water flowing out of the heat pump heat source apparatus by an operation of the water circulation pump, and a controller configured to perform, in a heating operation, on/off normal control that turns on a compressor when the water temperature detected by the water temperature sensor becomes lower than a target water temperature and turns off the compressor when the water temperature becomes higher than a first temperature value higher than the target water temperature, and to switch from the on/off normal control, upon repeating the on/off operation of the compressor at a minimum frequency necessary for an operation of the compressor in the on/off normal control, to on/off restriction control that turns on the compressor when the water temperature becomes lower than a second temperature value lower than the target water temperature and turns off the compressor when the water temperature becomes equal to or higher than a third temperature value higher than the target water temperature. | 05-21-2015 |
| 20150308700 | COMBINED AIR-CONDITIONING AND HOT-WATER SUPPLY SYSTEM - The controller controls a bypass solenoid valve and hot-water supply expansion unit in a defrosting operation based on a refrigerant temperature detected by a first temperature sensor and a heat medium temperature detected by a second temperature sensor. | 10-29-2015 |
| 20150377508 | AIR CONDITIONING SYSTEM - An air conditioning system includes an outdoor unit, indoor units, a controller that controls the outdoor unit, and an equipment controller. The equipment controller stores a set lower limit value that is set to maintain a pressure difference between the high pressure and the low pressure in the outdoor unit at a predetermined value or greater. The lower limit value is set to be smaller as a minimum cooling capacity increases. The minimum cooling capacity is the minimum value of a cooling capacity of an indoor unit arrangement formed by the indoor units. When starting a cooling operation, the equipment controller determines whether or not to perform pressure difference control for limiting decreases in the pressure difference of the outdoor unit based on whether or not the temperature of water flowing into the outdoor unit is less than the set lower limit value. | 12-31-2015 |
| 20160375743 | Vehicle Air Conditioning Apparatus - A vehicle air conditioning apparatus is provided that can prevent temperature variations of the air after the heat exchange in a radiator to reliably control the temperature of the air supplied to the vehicle interior. During the heating operation and the heating and dehumidifying operation, target degree of supercooling SCt when target air-blowing temperature TAO is a predetermined temperature or higher is set to SCt | 12-29-2016 |
| 20190145674 | REFRIGERATOR WITH HEATING CHAMBER | 05-16-2019 |
