Class / Patent application number | Description | Number of patent applications / Date published |
062186000 | Air controller or director | 85 |
20080202137 | Air conditioner - The air suction mode can be switched among the inside air mode in which the air sucked by the battery cooling blower | 08-28-2008 |
20080223054 | OUTLET TEMPERATURE CALCULATION CORRECTION FROM AMBIENT/WATER TEMPERATURE - A method of controlling a vehicle heating, ventilation, and air conditioning (HVAC) system. Outside or ambient temperature, evaporator temperature, and coolant temperature are measured with sensors. These values, along with a TAO, which is a calculated value of outlet temperature in the vehicle, are sent to a controller. The controller determines a predicted heater core outlet temperature based upon the coolant temperature. Based upon the outside air temperature and coolant temperature, the controller will decide whether to use the previously determined estimated heater core outlet temperature or to substitute an alternate value for the heater core outlet temperature to determine a position for the air mix door. After calculating the air mix door position, the controller signals an air mix door movement device to adjust the air mix door to the required position. Position of the air mix door affects the air temperature inside of the vehicle. | 09-18-2008 |
20080236178 | Device on a textile machine, especially a spinning preparation machine, for cooling heat-emitting electrical components - In a device on a textile machine, for cooling heat-emitting electrical components, for example electrical switching devices and/or switch cabinets, the heat-emitting components are cooled by an air stream. In order to provide a device that ensures the necessary cooling in a structurally simple way and is economical and low-maintenance, at least one partial air stream of the supply air to the machine is guidable towards the heat-emitting components and the supply air is able to absorb heat from the components and subsequently flow via outlet through components of the textile machine. | 10-02-2008 |
20080307807 | Air Damper Units for Refrigerators and Control Methods Therefor - An air damper unit for a refrigerator includes a printed circuit board, a sliding door movably mounted to the printed circuit board, a damper position sensor for detecting the position of the sliding door, and a driving mechanism. The sliding door regulates the air flow from a freezer compartment into a refrigerator compartment. A microcontroller is mounted on the printed circuit board for controlling the operation of the sliding door. The microcontroller controls the driving mechanism according to a signal corresponding to a position of the sliding door from the damper position sensor. The continuous feedback from the damper position sensor enables the microcontroller to more effectively control the operation of the sliding door and maintain the temperature setting of the refrigerator compartment. | 12-18-2008 |
20090025409 | MULTICHANNEL HEAT EXCHANGER - A heating, ventilation, air conditioning and refrigeration (HVAC&R) system having a compressor, a heat exchanger, an expansion valve, and a multichannel heat exchanger connected in a closed refrigerant loop. The multichannel heat exchanger has at least two fluid flow paths cooled by a flow of air from an air-moving device through the multichannel heat exchanger. Each of the at least two fluid flow paths have an inlet and an outlet in communication there between. The multichannel heat exchanger also has at least one flow regulator disposed in at least one outlet to regulate through at least one fluid flow path in response to the air flow through the heat exchanger to achieve a substantially equal temperature of a fluid flowing in the at least two flow paths. | 01-29-2009 |
20090064694 | Baffle for HVAC systems - A vehicle HVAC system comprises an evaporator, a heater core, a variable airflow control device, and a baffle positioned downstream of the evaporator. The baffle has a geometrical configuration, e.g., apertures sufficient to prevent the formation of vortex like airflow patterns near the downstream side of the baffle when the HVAC system is in use. | 03-12-2009 |
20090071176 | REFRIGERATOR UNIT FOR CONTAINER - A refrigerator unit is configured for a container in which it is possible to know the quantity of air that is ventilated. The refrigerator unit is equipped with a ventilation mechanism, an opening degree detecting mechanism, and a recording unit. The ventilation mechanism ventilates the air inside the container. The opening degree detecting mechanism acquires ventilation data related to the quantity of air ventilated by the ventilation mechanism. The recording unit records the ventilation data acquired by the opening degree detecting mechanism. | 03-19-2009 |
20090077986 | REFRIGERATOR UNIT FOR CONTAINER - A refrigerator unit is configured for a container in which it is possible to know the quantity of air that is ventilated. The refrigerator unit is equipped with a ventilation mechanism, an opening degree detecting mechanism, and a recording unit. The ventilation mechanism ventilates the air inside the container. The opening degree detecting mechanism acquires ventilation data related to the quantity of air ventilated by the ventilation mechanism. The recording unit records the ventilation data acquired by the opening degree detecting mechanism. | 03-26-2009 |
20090151376 | DAMPER - An air flow control mechanism for a refrigerator or freezer is disclosed comprising at least one knob to regulate by its adjustment, air flow within a compartment, the knob including at least one end, and wherein said knob is configured to rotate, a cam including a base, a groove and a receiving end, wherein the cam base includes the groove, wherein the groove is a semi-circular shape and is un-centered with regards to the cam base and wherein said receiving end receives said knob end, a crank having a first end a second end, wherein said first end is inserted in the semi-circular groove of said cam base and is configured to run said groove when the user adjusts the knob, a rod having a front end and a back end, wherein said front end is connected to said crank second end, and an obturator connected with said rod back end. Said cam base has the same rotation degree than the knob and wherein the rotational movement of said knob is transformed and transmitted to the crank and consequently the rod. | 06-18-2009 |
20090241567 | REFRIGERATOR WITH FORCE-VENTILATION CONDENSER - A refrigerator with a condenser and a fan for the forced ventilation of the condenser, the refrigerator including a fan control circuit for controlling the fan to provide variable throughflow of air from the fan and an assembly for measuring temperature in operative communication with the fan control circuit for operating the fan in a temperature-dependent manner. | 10-01-2009 |
20090293518 | COOLING SYSTEM FOR A ROOM CONTAINING ELECTRONIC DATA PROCESSING EQUIPMENT - A cooling system for a room ( | 12-03-2009 |
20090301115 | REFRIGERATOR - A refrigerator includes a housing including a cooling compartment and a machine compartment, a refrigeration cycle provided in the housing and including a compressor, a condenser, a decompressor, and an evaporator which provide a refrigerant path, a refrigerant provided in the refrigeration cycle and flowing in the refrigerant path, and a blower for cooling the condenser. The condenser includes a pipe and a fin mounted on the pipe. The pipe is formed to have a helical shape with gaps. The helical shape has an inner space, a first opening, and a second opening opposite to the first opening. The inner space has a substantially cylindrical shape between the first opening and the second opening. The first opening faces the blower. A flow resistance between the second opening and the inner space is larger than a flow resistance between the gaps of the helical shape and the inner space. The refrigerator prevents the pipe of the condenser from being broken, accordingly preventing leakage of the refrigerant due to the breaking. | 12-10-2009 |
20100139300 | Refrigeration and control method thereof - Disclosed is a refrigerator includes a storage room and having a cool air off mode in which supply of cool air to the storage room is cut off. Thus, a refrigerator having a cooling system in which a pair of evaporators are serially connected for a pair of storage rooms is provided according to the above embodiments. A refrigerator may also have a cooling system in which a plurality of evaporators is connected in parallel and refrigerant is selectively supplied to each evaporator by a refrigerant supply valve. | 06-10-2010 |
20100175399 | AIR CONDITIONER - Disclosed is an air conditioner includes a cabinet that is configured to mount on an indoor ceiling. The air conditioner also include a front panel that is coupled to the cabinet and having an air inlet and outlet. The air conditioner further include a suction panel that is coupled to the front panel and configured to move between an open positione in which air is able to circulate through the air conditioner and a closed position in which air is blocked from circulating through the air conditioner. The air conditioner further include a sensor unit that is mounted on the suction panel, that is configured to move together with the suction panel and that is configured to detect a position of a person in the indoor place. In addition, the air conditioner also include a controller adjusting a direction of air flow from the outlet based on the deteded position of the person. | 07-15-2010 |
20100242512 | CONTROL UNIT, IN PARTICULAR FOR A COOLING-AIR FAN OF AN INTERNAL COMBUSTION ENGINE, AND COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - The invention relates to a control unit ( | 09-30-2010 |
20100269526 | SYSTEMS AND METHODS FOR OPERATING AND MONITORING DEHUMIDIFIERS - Systems and methods of automatically operating dehumidifiers in response to dehumidifier operating conditions are disclosed herein. A method of operating a dehumidifier configured in accordance with one embodiment includes directing air flow through the dehumidifier at a first volumetric flow rate while the dehumidifier is operating at a first operating condition. The method further includes changing the first volumetric flow rate to a second volumetric flow rate when the first operating condition of the dehumidifier changes to a predetermined second operating condition. | 10-28-2010 |
20100275627 | MOTOR CURRENT DETECTING DEVICE AND AIR CONDITIONING APPARATUS - A motor current detecting device includes a first wire, an instantaneous current detecting unit, an average electric current detecting unit, and a calculation unit. The first wire is configured and arranged to carry flow of a motor current that has been passed through a motor and a drive current that has been passed through a motor drive unit to drive the motor. The instantaneous current detecting unit is configured and arranged to detect an instantaneous value for a sum of the motor current and the drive current flowing on the first wire. The average electric current detecting unit is configured and arranged to detect an average value of the sum of the motor current and the drive current flowing on the first wire. The calculation unit is configured to calculate the motor current on the basis of the instantaneous value and the average value. | 11-04-2010 |
20100281897 | MOTOR CURRENT CALCULATION DEVICE AND AIR CONDITIONING APPARATUS - A motor current calculation device includes a first wire, a current detecting unit, a decision unit, and a calculation unit. The first wire is configured and arranged to carry flow of a motor current that has been passed through a motor and a drive current that has been passed through a motor drive unit to drive the motor. The current detecting unit is configured and arranged to detect a sum of the motor current and the drive current flowing through the first wire. The decision unit is configured and arranged to determine a first detection result of the current detecting unit when the motor is not rotating as the drive current. The calculation unit is configured to calculate the motor current by subtracting the drive current determined by the decision unit from a second detection result of the current detecting unit when the motor is rotating. | 11-11-2010 |
20100293977 | REFRIGERATION SYSTEM - The refrigeration system has an energy saving operation mode performing: a first action in which a compressor ( | 11-25-2010 |
20110005248 | VEHICLE-CABIN AIR-CONDITIONING SYSTEM AND A MODULE CONTAINING THE SYSTEM - The present invention relates to a compact air conditioning system ( | 01-13-2011 |
20110030402 | REFRIGERATING APPARATUS - A refrigerating apparatus includes first and second refrigerant circuits including respective first and second compressors, condensers, pressure reducers, and evaporators, connected circularly with first and second refrigerant pipes, respectively, refrigerants discharged from the first and second compressors being respectively condensed at the first and second condensers and thereafter respectively evaporated at the first and second evaporators to acquire a cooling effect; a temperature sensor that detects a temperature of an internal portion of a cold storage cabinet, the first and second evaporators being disposed to cool the internal portion simultaneously; and a first control device that controls the first and second compressors such that both of them are operated each time a temperature detected by the temperature sensor reaches a first temperature, and the first and second compressors are alternately operated each time a temperature detected by the temperature sensor reaches a second temperature lower than the first temperature. | 02-10-2011 |
20110041532 | Low-Noise Fan Control for Refrigeration Cycle - This disclosure relates to a multi-PID controller system where a variable such as the temperature of a fluid in a reservoir is stabilized using two or more PID controllers to optimize the control of an actuator, such as a flow control valve of a refrigeration system, to control a flow rate. The system also allows for the optimization of the PID control of a fan speed based on the optimized regulation of the control valve and a comparison with other input variables. The setpoint temperature is further stabilized by setting up in proximity of the desired setpoint a deadband analysis to prevent overlap of the PID-driven heat regulation and the multi-PID-driven cold regulation. | 02-24-2011 |
20110056224 | SENSOR-FREE OPTIMAL CONTROL OF AIR-SIDE ECONOMIZER - Systems and methods for regulating the amount of outdoor air that is introduced into a building are shown and described. These systems and methods utilize extremum seeking control logic to vary the flow of outdoor air into the building in response to cooling load determinations. | 03-10-2011 |
20110113801 | CONDENSER ASSEMBLIES FOR HEATING, VENTILATING, AIR CONDITIONING, AND REFRIGERATION SYSTEMS - Embodiments of a modular condenser unit are provided. The modular condenser unit may include a housing and a first condenser coil and a second condenser coil disposed within a volume of the housing. A fan may also be disposed in an end of the housing and adapted to draw air through at least one of the first condenser coil and the second condenser coil. In some embodiments, the first condenser coil and/or the second condenser coil may be micro-channel condenser coils. | 05-19-2011 |
20110138830 | AIR CONDITIONER - There is disclosed an air conditioner which can realize appropriate air conditioning control in a situation closer to a feeling temperature even in a case where a floor surface of a room to be conditioned is low. The air conditioner which blows air subjected to heat exchange between the air and a user side heat exchanger into a room to be conditioned by an indoor side blower comprises a user side controller which controls a revolution speed of the indoor side blower based on the present temperature in the room and a set temperature, and this controller raises the revolution speed of the indoor side blower in a case where an outside air temperature is not higher than a predetermined revolution speed rise temperature during a heating operation. | 06-16-2011 |
20110146313 | REFRIGERATION CIRCUIT - A refrigeration circuit has a mono- or multi-component refrigerant, especially CO | 06-23-2011 |
20110219800 | SUPERCOOLING SYSTEM - The present invention relates to a supercooling system which can independently supercool a liquid object contained in a storing container. The supercooling system includes a cooling apparatus including a storing unit storing a object, a cooling means cooling the storing unit, and a main control unit receiving external commercial power and controlling the cooling means to maintain the temperature in the storing unit at a temperature below the maximum ice crystal formation zone of the liquid, and a supercooling apparatus including an independent storage room having a storing space therein to store the storing container containing the liquid to be supercooled, and being mounted and cooled in the storing unit, a temperature sensing unit sensing the temperature of the independent storage room, a temperature control means mounted in the independent storage room and controlling the internal temperature such that a temperature of an upper portion of the storing space or the storing container is higher than a temperature of a lower portion of the storing space or the storing container, and a sub-control unit controlling the temperature control means based on the sensed temperature from the temperature sensing unit to store the liquid in a supercooled state. | 09-15-2011 |
20110259026 | AIRFLOW DRIVING DEVICE HAVING FUNCTION OF MEASURING FLOW RATE AND AIR CONDITIONER WITH SAME - An airflow driving device includes an airflow-guiding member for receiving and guiding an airflow. The airflow-guiding member includes a first opening and a second opening. The open areas of the first opening and the second opening are different such that a pressure difference is generated between the first opening and the second opening. According to the pressure difference, a flow rate of the airflow passing through the airflow driving device is calculated. | 10-27-2011 |
20110283727 | REFRIGERATOR HAVING A CONDIMENT DOOR AND COMPARTMENT - A household refrigerator having three compartments: a freezer compartment, a refrigerator compartment, and a condiment compartment. Each compartment is accessed via its own door. In an illustrative embodiment, the refrigerator compartment is above the freezer compartment and the condiment compartment is adjacent the refrigerator compartment on the side of the refrigerator. The condiment compartment preferably includes movable shelves inside the condiment compartment as well as on the door to the condiment compartment. One or more electric fans are provided to circulate cold air from the refrigerator compartment into the condiment compartment. The fans are preferably controlled by a thermostat. The refrigerator is preferably designed so that the condiment compartment may be mounted on either the left or right side of the refrigerator compartment. | 11-24-2011 |
20110308266 | AIR CONDITIONER SYSTEM AND METHOD WITH ADAPTIVE AIRFLOW - An conditioner system includes a housing having an upper opening and a lower opening, and a sealed refrigeration system supported by the housing for providing cold air in a cooling mode. Additionally, a heater is disposed in the housing for providing warm air in a warming mode. An adaptive airflow control unit is disposed in the housing and is configured to discharge the cold air from the upper opening in order to transmit the cold air upward and high in an environment of the air conditioner system in the cooling mode and to discharge the warm air from the lower opening in order to transmit the warm air downward and low in the environment in the warming mode. | 12-22-2011 |
20110314853 | COOLING SYSTEM - A cooling system comprising an intake air temperature sensor which measures an intake air temperature to an evaporator by a blower; a return air temperature sensor which measures a return air temperature which is cooled in the evaporator; and a blower frequency switching device which switches a frequency of the blower, wherein the blower frequency switching device controls the frequency of the blower to a frequency of the blower corresponding to a difference between an intake air temperature which is measured by an intake air temperature sensor and a return air temperature which is measured by a return air temperature sensor. | 12-29-2011 |
20120023989 | AIR CONDITIONING APPARATUS - An air conditioning apparatus includes a compressor, an indoor and outdoor heat exchangers, an indoor fan, an outdoor expansion element, a refrigerant-pressure-perceiving part, which perceives a pressure of refrigerant sent from the compressor to the indoor heat exchanger, and a control part, which performs startup fan control in which the indoor fan remains stopped until the compression element goes from being at rest to starting up and the pressure perceived reaches a high-pressure threshold, the indoor fan is driven when the pressure perceived reaches or exceeds the high-pressure threshold. An action of reducing or stopping air volume of the indoor fan when the pressure perceived decreases to or falls below a low-pressure lower than the high-pressure threshold, and an action of increasing air volume or initiating driving of the indoor fan when the pressure perceived reaches or exceeds a pressure threshold which is higher than the low-pressure threshold. | 02-02-2012 |
20120036878 | LOW AMBIENT COOLING KIT FOR VARIABLE REFRIGERANT FLOW HEAT PUMP - Systems and methods for low ambient air temperature cooling in air-source based heat pump systems wherein an outdoor heat pump unit includes a discharge hood positionable over its fan. The hood including a damper that is openable and closeable as a function of outside temperature. The outdoor unit may also include wind deflectors positioned over the coil openings of the disclosure. During cooling operations below 23° F., the damper assembly partially closes to reduce airflow across the condenser coil of the outdoor unit to a level below that which is possible at minimum fan speed. As the outdoor temperature continues to drop, the damper assembly continues to close to further reduce airflow. | 02-16-2012 |
20120067073 | ENERGY-SAVING AIR CONDITIONER AND ILLUMINATION CONTROLLER - An energy-saving air conditioner and illumination controller is applied to an interior space to regulate the air conditioner fan and the illumination device in the space according to the detected interior temperature, brightness, and status of users in the space. Therefore, a manual operation for regulate temperature and brightness is avoided. Automatically powering off the air conditioner fan and the illumination device is also achieved while no one is in the interior space so that a prevention of energy waste is ensured. A simple installation of the energy-saving air conditioner and illumination controller can be applied to existing air conditioner and illumination equipment without complicated assembly and configuration. | 03-22-2012 |
20120079842 | REFRIGERATOR HAVING CIRCULATION FAN CONTROLLER FOR SAVING POWER CONSUMPTION - Disclosed is a refrigerator comprising: a compressor ON/OFF detector configured to detect an operation of the compressor when the compressor is operated; a circulation fan operation controller checks an operation of the compressor based on a signal input from the compressor ON/OFF detector and set and output an operation condition of a circulation fan; a circulation fan power source ( | 04-05-2012 |
20120079843 | TRANSPORT REFRIGERATION SYSTEM - A refrigeration system for trailer includes an engine, a generator driven by the engine to generate electric power, an inverter substrate, a temperature sensor that senses a temperature of the inverter circuit, and a heat carrying mechanism that heats the inverter substrate with waste heat of the engine when a sensed temperature by the temperature sensor is an operational temperature or lower. | 04-05-2012 |
20120085113 | FAN MOTOR CONTROLLER FOR USE IN AN AIR CONDITIONING SYSTEM - One aspect of the disclosure provides an air conditioning system. The air conditioning system, in this embodiment, includes an exterior housing, and a motor having fan blades rotatably coupled thereto located within the exterior housing. The air conditioning system, in this embodiment, further includes a controller coupled to the motor and configured to rotate the fan blades based upon climate conditions proximate the exterior housing. | 04-12-2012 |
20120174607 | REFRIGERATION APPLIANCE WITH OPTIONAL STORAGE MODULE - A distributed refrigeration appliance system for use in a residential kitchen and other locations in a dwelling and includes multiple separate refrigeration appliance modules, a central cooling system and a cooling circuit. The system can include one or more satellite stations having a heat exchanger for supplying chilled air to one or more refrigeration appliance modules. One or more refrigeration appliance modules can include a thermal cascade cooling device to cool the module to lower temperatures than the cooling circuit can attain. One or more refrigeration appliance modules can be refrigeration/storage modules that can provide refrigerated, unconditioned or heated storage space. The central cooling system can be a vapor compression system having a refrigerant circuit connecting the modules. Alternately, the central cooling system can cool a secondary cooling medium circuit. The refrigeration system can have more than one refrigeration machine providing cooling to the secondary refrigeration loop. | 07-12-2012 |
20120174608 | CONTROL DEVICE - A control device controls a swing action of flaps of an air conditioning apparatus. The flaps are swung up and down. The control device includes an operation mode determining section, a swing pattern storage area and a control command generator. The operation mode determining section determines at least an air-cooling operation mode and an air-warming operation mode that are operation modes of the air conditioning apparatus. The swing pattern storage area stores a plurality of swing patterns that include information pertaining to the swing action. The control command generator generates a control command of the air conditioning apparatus on the basis of a swing pattern corresponding to the mode determined by the operation mode determining section from among the plurality of swing patterns. | 07-12-2012 |
20120266622 | REFRIGERANT CYCLE DEVICE - When a temperature of feed air blown into a space for air conditioning cannot be increased up to the target temperature in an indoor condenser of a heat pump cycle included in a gas injection cycle, the volume of the feed air flowing into the indoor condenser is decreased. Thus, the temperature of the refrigerant condensed by the indoor condenser is increased, while the amount of a compression work in a high-pressure side compression stage of the compressor is increased, which suppresses the lack of the heating capacity of the feed air blown into the space for air conditioning. | 10-25-2012 |
20120291469 | REFRIGERATOR TEMPERATURE CONTROL METHOD AND APPARATUS - In certain embodiments of the present disclosure, a refrigerator is described. The refrigerator includes a single temperature sensor associated with a freezer compartment that is separate from an ice compartment and electrically connected to an electronic control system. | 11-22-2012 |
20130008197 | CONTAINER DATA CENTER SYSTEM - A container data center system includes a container, a plurality of servers, at least a regulation device, a first refrigeration device and a second refrigeration device. The container defines a first receiving room and a second receiving room isolated from the first receiving room. The servers are received in the first receiving room. The at least a regulation device is received in second receiving room. The at least regulation device is electrically connected to the servers for regulating the servers. The first refrigeration device is installed outside the container for cooling the first receiving room. The second refrigeration device is installed outside the container for cooling the second receiving room. | 01-10-2013 |
20130025310 | AIR-CONDITIONER FOR VEHICLE - An air-conditioner that conditions air inside a passenger compartment of a vehicle using a heat pump refrigerating cycle includes: a case having at least a first air passage and a second air passage independent from each other; an indoor heat exchanger cooling air; and a heating heat exchanger heating air. Inside of the heating heat exchanger is divided into a first section corresponding to the first air passage and a second section corresponding to the second air passage. The first section and the second section are located adjacent with each other through a border portion. The heating heat exchanger has a refrigerant passage through which refrigerant flows in parallel with the border portion. | 01-31-2013 |
20130036756 | METHODS AND SYSTEMS FOR CONTROLLING A MOTOR - An electric motor configured to drive an air moving device included within a heating, ventilation, and air conditioning (HVAC) system is described. The air moving device is configured to draw air through a condensing coil of the HVAC system from a first side of the condensing coil to a second side of the condensing coil. The motor includes a temperature sensor configured to measure an exhaust air temperature at the second side of the condensing coil and to generate a temperature signal that includes measured temperature information. The motor also includes a controller communicatively coupled to the temperature sensor and configured to receive the temperature signal and to control operation of the motor based at least partially on the temperature signal. | 02-14-2013 |
20130042639 | METHOD OF CONTROLLING AIR CONDITIONING, AIR-CONDITIONING CONTROL SYSTEM AND AIR-CONDITIONING CONTROL APPARATUS - A method of controlling air conditioning to cool servers, the method includes selecting, when the number of operating servers is a certain threshold number or more, a first mode, in which the pressure of a cold aisle is set higher than the pressure of a hot aisle; selecting, when the number of operating servers is less than the certain threshold number, a second mode, in which the pressure of the cold aisle is set equal to the pressure of the hot aisle; and informing the operating servers of whether a current mode is the first mode or the second mode, and when the current mode is the first mode, driving fans of the servers at a minimum rotational speed in a specification, and when the current mode is the second mode, driving the fans of the servers at a rotational speed higher than the minimum rotational speed in the specification. | 02-21-2013 |
20130055744 | Auxiliary ambient air refrigeration system for cooling and controlling humidity in an enclosure - An auxiliary ambient air refrigeration system for cooling and controlling humidity in an enclosure including a conventional refrigeration unit for providing cool refrigerated air to the enclosure, an auxiliary refrigeration unit for providing cool ambient air to the enclosure, a first sensor unit for sensing air temperature and humidity inside the enclosure, a second sensor unit for sensing ambient air temperature and humidity; and a controller responsive to the sensor units and their indicated dew points of the enclosure air and the ambient air for enabling the auxiliary refrigeration unit to provide cool ambient air to the enclosure when temperature inside the enclosure is above a first predetermined temperature, the ambient temperature is less than the enclosure temperature by a predetermined differential temperature and the dew point of the ambient air is matched to the dew point range of the air in the enclosure. | 03-07-2013 |
20130067945 | COMPRESSOR/TURBINE ARRANGEMENT, AIR CONDITIONING UNIT AND METHOD FOR OPERATING A COMPRESSOR/TURBINE ARRANGEMENT - The invention relates to a compressor/turbine arrangement for use in an air conditioning unit of an aircraft air conditioning system comprising a process air supply line which is designed to supply process air generated by a process air source to a compressor. A detection device is designed to detect a characteristic signal for the temperature of the process air flowing through the process air supply line. A turbine is designed to drive the compressor. A cooling device is disposed in a process air line connecting the compressor to the turbine and is designed to cool the process air coming out of the compressor and flowing through the process air line in the direction of the turbine. Downstream of the cooling device a connecting line branches off from the process air line and opens into the process air supply line. A control device is designed to control a process air flow through the connecting line in dependence on the signal detected by the detection device. | 03-21-2013 |
20130160473 | REFRIGERATOR - A refrigerator is provided. The refrigerator may have a refrigerator body having a first storage chamber and a second storage chamber, an evaporator located at the first storage chamber, a cooling fan disposed at one side of the evaporator, a circulation path formed to include the evaporator and the cooling fan, the circulation path having a plurality of openings at upper and lower parts of the first storage chamber, an upper communication portion arranged to connect upper regions of each of the first and second storage chambers, a lower communication portion arranged to connect lower regions of each of the first and second storage chambers, a temperature sensor unit configured to sense inner temperatures of the second storage chamber and a controller being configured to control a rotation direction of the cooling fan based on the detected temperatures of the temperature sensor unit. | 06-27-2013 |
20130205818 | AIR-CONDITIONING APPARATUS - In an air-conditioning apparatus including a refrigerant circulating circuit A and a heat medium circulating circuit B that performs passing of heat to and from the refrigerant circulating circuit A, the heat medium circulating circuit is a closed circuit, the maximum pump head Pp of a pump of the heat medium circulating circuit is 150 kPa or more, and a pressure near at least a suction side of the pump is set to a charged pressure that is maintained equal to or higher than the atmospheric pressure during operation of the pump. | 08-15-2013 |
20130255298 | REFRIGERATION CYCLE APPARATUS AND OUTDOOR HEAT SOURCE UNIT - There is provided a refrigeration cycle apparatus in which an outdoor heat source unit, an indoor unit, and a water heating unit are connected, and an air conditioning operation and a water heating operation can be performed separately, and an exhaust-heat recovery operation can be performed by simultaneously performing air cooling and water heating. The outdoor heat source unit includes a compressor for compressing refrigerant, a refrigerant air-heat exchanger that performs heat exchange between the refrigerant and outside air, a fan for cooling the refrigerant air-heat exchanger, a control device that includes an inverter device for driving the compressor, and a heat sink for dissipating heat of the inverter device, and a switching element in the inverter device is constituted by an element formed by a wide bandgap semiconductor. | 10-03-2013 |
20130276469 | BEVERAGE COOLING AND CLEANING SYSTEMS - A primary beverage cooling circuit for refrigerating a fluid used in a secondary beverage cooling circuit that cools beverage in a beverage conduit by pumping the fluid through a heat exchange conduit adjacent the beverage conduit to transfer heat therebetween, the primary beverage cooling circuit comprising | 10-24-2013 |
20140109606 | REFERIGERANT-TO-AIR DEVICE - A refrigerant system includes a compressor, an evaporator, an expansion valve, an accumulator or equivalent, one or more earth loops, and auxiliary heat removal means. The auxiliary means comprises a fan and fan coil and the fan forces air between multiple tubes of the fan coil to remove unwanted heat from the hot vapor exiting the compressor. | 04-24-2014 |
20140116076 | VEHICULAR AIR CONDITIONING CONTROL DEVICE, VEHICULAR AIR CONDITIONING CONTROL METHOD, VEHICULAR AIR CONDITIONING CONTROL PROGRAM, AND RECORDING MEDIUM - An object to save power and control engine startup and shutdown while improving the cabin environment with a simple configuration. A vehicular air-conditioning control device detects an outside air temperature; finds from an eco-running map a time TA until odor and so forth corresponding to the outside air temperature arises, an eco-runnable TB extended by shutting down a blower, and a time TC at which to shut down the operation of the blower fan; shuts down the blower fan at the time TC during eco-running; and, when the eco-runnable time TB elapses, causes the blower fan to operate, issues an engine startup request, and initiates refrigerant circulation by a compressor. Thus, by operating the blower fan for a predetermined time when the engine has been shut down by eco-running, the comfort of the cabin environment can be improved and the eco-runnable time can be extended to save power. | 05-01-2014 |
20140165636 | Precise Air Conditioning System Fan Control Method and Apparatus, and Precise Air Conditioning System - A precise air conditioning system fan control method and apparatus, and a precise air conditioning system are provided. The method includes: obtaining an actual indoor temperature, and calculating a temperature difference between the actual temperature and a preset target temperature; comparing the temperature difference with threshold intervals to obtain a threshold interval where the temperature difference is located, where each threshold interval corresponds to a fan quantity value; obtaining a fan quantity value corresponding to the threshold interval where the temperature difference is located according to correspondence between the threshold intervals and fan quantity values; and controlling N fans among all the fans to run at a first speed, and controlling fans other than the N fans among all the fans to run at a second speed, where the first speed is higher than the second speed. | 06-19-2014 |
20140165637 | COUPLED AIR-CONDITIONING DEVICE - A coupled air-conditioning device including a dehumidification system and a vapor compression-type refrigeration system which are connected through a pipeline. The vapor compression-type refrigeration system is a closed circuit including an evaporator, a compressor, a condenser and an expansion valve. The dehumidification system includes a desiccant-wheel with a regeneration area and a processing area, a processing air blower, a regeneration air blower and an electric motor driving the desiccant-wheel to rotate. The processing air blower and the regeneration air blower are provided with an exhaust port. The condenser includes a phase-change condensation heat exchanger and a refrigerant gas cooler. The refrigerant gas cooler operates to cool the overheated refrigerant discharged from the compressor into a saturated refrigerant in gas state, employing a structural form of a tube-fin heat exchanger comprising a heat exchange tube and a fin piece. | 06-19-2014 |
20140174116 | EVAPORATION COOLER AND PAD - The evaporative cooler and pad operates on the principle of cooling the air by evaporation of water passing through one or more evaporator pads in the cooler. The evaporation of water cools the air as it is drawn through the cooler by an internal fan. The pads of the evaporative cooler and pad are formed of luffa sponge fibers. The cooler may include a device for dispensing antimicrobial and/or antifungal agents into the water reservoir of the cooler. Alternatively, the pads may be pretreated with antimicrobial and/or antifungal agents. A cooling fan is provided in the interior of the cooler to blow cooled, humidified air over the surface of the water in the reservoir before the water is passed through the evaporator pads, thereby increasing the cooling efficiency of the system. | 06-26-2014 |
20140216084 | REFRIGERATOR - A refrigerator is provided. The refrigerator comprises: a main body; at least one freezing chamber disposed in the main body and comprising at least one quick-freezing chamber; a freezing evaporator disposed in the main body and behind the at least one freezing chamber, and spaced apart from the at least one freezing chamber via a freezing air duct cover plate; a freezing fan corresponding to the at least one freezing chamber and a quick-freezing fan corresponding to the at least one quick-freezing chamber, being disposed above the freezing evaporator respectively and configured to blow cold air generated by the freezing evaporator into the at least one freezing chamber and the at least one quick-freezing chamber respectively; and a controller configured to control the freezing fan and the quick-freezing fan, wherein the controller controls the quick-freezing fan to quick-freeze the at least one quick-freezing chamber when needed. | 08-07-2014 |
20140230475 | HUMIDITY CONTROL APPARATUS - A refrigerant circuit of a humidity control apparatus is provided with two adsorption heat exchangers. In the refrigerant circuit, refrigerant can circulate in reverse directions. A switching mechanism of the humidity control apparatus switches between a transfer path of the outdoor air to be supplied into a room and a transfer path of the indoor air to be exhausted to the outside the room. In a first operation of the humidity control apparatus, a direction of refrigerant circulation and a flow path of the air are changed every predetermined period. In a second operation of the humidity control apparatus, the refrigerant circuit is stopped, and the flow path of the air is changed every predetermined period. | 08-21-2014 |
20140298839 | AIR-CONDITIONING SYSTEM - There are provided a divider that divides a cold aisle and a hot aisle in a chamber in which an information technology device is to be enclosed and a rectifier that is formed in a shape of a hollow tube and is provided so as to penetrate the divider. There are also provided a detector that is built into the rectifier and detects airflow passing through the rectifier, and a controller that controls an amount of air supplied to the cold aisle using detection results of the detector. | 10-09-2014 |
20140352340 | HEAT PUMP SYSTEM HAVING AN ENHANCED COMFORT MODE - One aspect presents an enhanced comfort controller that comprises a control board, a microprocessor located on and electrically coupled to the control board, and a memory coupled to the microprocessor and located on and electrically coupled to the control board. The enhanced comfort controller has an enhanced comfort program stored thereon that is configured to cause an indoor blower/heat exchange (ID) system of a heat pump to output an enhanced airflow rate of the ID system in response to an outdoor ambient temperature data. | 12-04-2014 |
20140373563 | AIR CONDITIONER FOR VEHICLE - In an air conditioner for a vehicle, a flow speed of air flowing through a first ventilation part of an evaporator is faster than a flow speed of air flowing through a second ventilation part of the evaporator when an intensive air-conditioning operation for a driver seat is operated, with respect to a case where a normal air-conditioning operation is performed. In this case, a correct target evaporator temperature is calculated to be higher by a predetermined temperature than a target evaporator temperature, and a detected temperature detected by an evaporator sensor is approached to the correct target evaporator temperature. Therefore, it can restrict the second ventilation part from being frosted. | 12-25-2014 |
20150007599 | CONSTANT-TEMPERATURE LIQUID CIRCULATION APPARATUS AND OPERATION METHOD THEREOF - An operation method of a constant-temperature liquid circulation apparatus includes: performing control such that the fan is not activated, or is activated to maintain a minimum rotation speed when a refrigerant pressure measured by the pressure sensor does not reach a reference pressure region after the compressor is activated; controlling the refrigerant pressure by performing inverter control on a rotation speed of the fan when the refrigerant pressure reaches the reference pressure region; and controlling a rotation speed of the compressor to be reduced from a high rotation speed which is a rotation speed during a steady operation while maintaining the rotation speed of the fan at a maximum rotation speed when the refrigerant pressure continues to further rise and exceeds an upper limit value even after the rotation speed of the fan reaches the maximum rotation speed. | 01-08-2015 |
20150059378 | DEVICE FOR REVERSING CHILLER AIRFLOW IN AN AIRCRAFT GALLEY - A device for reversing chiller airflow in an aircraft galley includes an air bypass port connected between a supply airflow duct and a return airflow duct, and an air recirculation bypass flap is movable between a closed position allowing normal airflow circulation through the supply airflow duct and an open position blocking the supply airflow duct and diverting chilled supply airflow to the return airflow duct for recirculation. The air recirculation bypass flap is electrically actuated by a solenoid responsive to a bay door position detector. | 03-05-2015 |
20150107285 | REFRIGERATOR APPLIANCE - Refrigerator appliances are provided. A refrigerator appliance includes a cabinet defining a fresh food chamber, and a door rotatably hinged to the cabinet for accessing the fresh food chamber, the door including an inner surface and an outer surface. The refrigerator appliance further includes a compartment defined in the inner surface of the door, the compartment defining an interior chamber and including a compartment door providing access to the interior chamber. The compartment is selectively operable at a first temperature below approximately 32 degrees Fahrenheit and a second temperature above approximately 40 degrees Fahrenheit. | 04-23-2015 |
20150300676 | AIR-CONDITIONING APPARATUS - When starting a cooling operation mode from a non-operating mode, the blower device of the indoor unit from which the start command is originated is operated. When starting a heating operation mode from a non-operating mode, the blower device of the indoor unit from which the start command is originated is operated after the heat medium temperature becomes equal to or greater than a preconfigured temperature. | 10-22-2015 |
20150323240 | REFRIGERATION APPLIANCE - A refrigeration appliance, particularly a household refrigeration appliance, has a storage space for cooled material, wherein at least one passage for the flow of air into and out of the storage space is formed in a wall delimiting the storage space. The passage can be closed by a movable closure element. A fan for driving an air flow is arranged in the storage space and can be operated with the passage closed. | 11-12-2015 |
20150330644 | AIR CONDITIONER AND METHOD FOR CONTROLLING THE SAME - An air conditioner may have a structure in which a snowfall detection device is attached to a grill and a case, and an amount of snow accumulated on the grill is detected in a non-contact manner to control an operation of the air conditioner. The snowfall may be more stably and reliably detected, and also the air conditioner may more stably and reliably operated. | 11-19-2015 |
20150377535 | CONTROL APPARATUS FOR COOLING SYSTEM - A cooling system includes a cooling tower, a refrigeration device, a cooling fan provided in the cooling tower, a cooling water pump which circulates cooling water between the cooling tower and the refrigeration device, a temperature sensor which detects the cooling water temperature at an inlet or outlet of the cooling tower, and an inverter apparatus which variably controls the speed of the cooling tower. The output frequency of the inverter apparatus is gradually reduced after the output frequency reaches an upper limit frequency, a condition at which a temperature detection value of the cooling water does not rise despite the reduction in the output frequency is stored, and the inverter apparatus is operated thereafter on the basis of the stored condition. | 12-31-2015 |
20160003517 | Ambient Air Refigeration System - The present the inventive technology is directed to improved methods and apparatus for the refrigeration of an enclosed space using external ambient air as a cooling medium. The inventive technology may cool an enclosed space utilizing, for example a modular designed duct system that may deliver a specific volume of supply air to an enclosed space at a specific temperature differential (TD) in relation to a desired set point of the enclosed space. This may be accomplished by mixing cold outside air and return air, or even running the return air through a fluid heat transfer chiller coil that may be cooled to varying temperatures by outside air utilizing an external chilling unit. | 01-07-2016 |
20160033190 | FAN CONTROL DEVICE FOR ENERGY SAVING - A fan control device for energy saving in a refrigerator is provided. The fan control device comprises an evaporator fan, an evaporator thermometer, and an evaporator fan controller. The evaporator fan is configured for circulating air around the evaporator and across the storage space. The evaporator thermometer is disposed in a vicinity of the evaporator, configured for detecting temperature of the evaporator, and outputting the temperature of the evaporator. The evaporator fan controller is configured for receiving the temperature of the evaporator and controlling the evaporator fan based on the temperature of the evaporator. The evaporator fan controller is configured to control the evaporator fan to stop operation when the compressor starts operation. The evaporator fan controller is configured to control the evaporator fan to start operation when the temperature of the evaporator falls below a first predetermined value. | 02-04-2016 |
20160091241 | AIR-CONDITIONING APPARATUS AND REFRIGERANT LEAKAGE DETECTION METHOD - An indoor unit of an air-conditioning apparatus includes a header main pipe to which an indoor pipe is connected at a brazed portion and header branch pipes. The header branch pipes are connected to first ends of heat-transfer pipes included in an indoor heat exchanger at brazed portions. The indoor pipe is connected to indoor refrigerant branch pipes at brazed portions. The indoor refrigerant branch pipes are connected to second ends of the heat-transfer pipes. A first leaked refrigerant receiver is disposed under the brazed portions. A first temperature sensor is disposed in the first leaked refrigerant receiver. A second leaked refrigerant receiver is disposed under flare joints connecting the indoor pipes to extension pipes, respectively. A second temperature sensor is disposed in the second leaked refrigerant receiver. | 03-31-2016 |
20160123633 | GIMYST PORTABLE SOLAR COOLING SYSTEM - A solar air-conditioning and solar cooling system that relies upon solar energy and a coolant chemistry apparatus for cooling the interior of a residence, machinery or other structure and for the production of cool air for refrigeration or freezing. The solar powered cooling system described has two main modes of operation: (1) it can serve as an air-conditioning unit, and (2) it can serve as an ice maker unit as well as a refrigerator unit. The solar powered cooling system is portable, autonomous, and smart as it can automatically regulate itself to keep the room at a specified temperature and can programmed to different temperatures for refrigeration as well as freezing cycles by the use of an on-board computer, which powered by rechargeable batteries charged by solar panels. The device operates on a day and night cycle concept whereby during the daylight hours, the system uses the sun's radiation to heat up the solar refrigerant compound to its vapor state, followed by a cooling cycle of the vapor through condensing coils. During the night cycle the coolant's absorbing chemical forces the coolant compound to absorb heat from the cooling tank, thereby causing the cooling effect, and forces the coolant to evaporate back up to the solar heating element to prepare for the start of the next cycle. | 05-05-2016 |
20160131410 | A REFRIGERATOR COMPRISING A STORAGE COMPARTMENT - The present invention relates to a refrigerator ( | 05-12-2016 |
20160138849 | REFRIGERATOR - Disclosed is a refrigerator. The refrigerator includes a cabinet having a storage compartment, a duct unit formed with a plurality of discharge holes for discharge of cold air to the storage compartment, the duct unit providing a path for movement of the cold air, a guide provided inside the duct unit, the guide being configured to guide the cold air to be discharged to the storage compartment by dividing the cold air, moving to the top of the duct unit, into opposite sides, and a compressor configured to compress a refrigerant so as to supply the cold air to the duct unit. The guide includes a Phase Change Material (PCM) having a melting point at a lower temperature than a temperature inside the storage compartment, the temperature inside the storage compartment being set to initiate driving of the compressor. | 05-19-2016 |
20160146498 | SYSTEM AND METHOD FOR CONTROLLING THE OPERATION OF AN OUTDOOR AIR CONDITIONER - A method is provided for controlling an outdoor air conditioner formed outside of a structure, the method including: drawing outdoor air into the outdoor air conditioner; cooling the outdoor air to a dehumidification temperature to provide dehumidified air in the outdoor air conditioner; determining whether an air conditioning load exists in an air conditioning space inside the structure; heating the dehumidified air to generate supply air if it is determined that no air conditioning load exists in the air conditioning space; passing the dehumidified air at the dehumidification temperature as the supply air if it is determined that an air conditioning load exists in the air conditioning space; and providing the supply air to the air conditioning space. | 05-26-2016 |
20160153694 | Refrigerator | 06-02-2016 |
20160187010 | METHODS AND SYSTEMS FOR DESICCANT AIR CONDITIONING - Methods and systems are provided for air conditioning, capturing combustion contaminants, desalination, and other processes using liquid desiccants. | 06-30-2016 |
062187000 | Damper between storage compartments | 8 |
20080196428 | Device and Method For Controlling the Temperature Inside a Refrigerating Unit of a Combined Refrigerator-Freezer - A refrigerator-freezer of the combined type comprises a first and a second refrigerating units and a single cooling circuit for both units, which are fluid-dynamically and reciprocally connected by an air passage conduit; the temperature inside the first unit is controlled by a device comprising motorised interception means of the passage conduit; electronic control means of the motorised interception means, directly carried aboard a supporting body adapted in use to be arranged along the passage conduit; an electronic temperature sensor operatively and directly connected to the electronic control means, carried aboard the supporting body; and ventilator means, carried aboard the supporting body, operated by the electronic control means of the motorised interception means for selectively ensuring circulation of air by forced convection between the first and second refrigerating units along the passage conduit. | 08-21-2008 |
20080256964 | REFRIGERATOR AND CONTROLLING METHOD OF THE SAME - A refrigerator having a controller and a method substantially allowing an independent cooling operation of a first compartment, e.g., cooling compartment and a second compartment, e.g., storing compartment. The storing compartment may be maintained at a cooling or preservation temperature which may be lower than a cooling or preservation temperature of the cooling compartment. | 10-23-2008 |
20090019870 | VARIABLE POSITION AIR DAMPER FOR A REFRIGERATOR - A refrigerator, including a cabinet having top, bottom, rear and opposing side walls that collectively define a freezer compartment and a fresh food compartment, employs a cooling system and an air plenum to deliver a cooling air flow into the freezer and fresh food compartments. The air plenum includes a variable position air damper having a first, substantially straight portion and a second arcuate portion that forms an air scoop. The air damper is slidably mounted within the air plenum between first and second positions. The variable position air damper is selectively arranged in the first position to efficiently deliver a volume of the cooling air flow into the freezer compartment, the second position to deliver the cooling airflow into the fresh food compartment or in an infinite number of intermediate positions to deliver the cooling airflow into both compartments. | 01-22-2009 |
20090113906 | Air Damper Units With Improved Air Flow - A sliding door air damper unit for a refrigerator includes a base plate having an aperture, a sliding door slidably mounted on the base plate for controlling air flow through the aperture, and a modular driving assembly for driving the sliding door. The modular driving assembly includes a housing defining an inner space, a cam device suspended from the housing and a motor mounted on the housing. The sliding door is driven by the cam device to move back and forth and can slide through a gap between the cam device and the base plate. The travel distance of the sliding door is increased and thus the aperture can be made larger to allow more air to flow through the aperture. The sliding door air damper unit allows a refrigerator compartment of the refrigerator to quickly reach a predetermined temperature setting. | 05-07-2009 |
20120036879 | REFRIGERATOR AIR DUCT - Provided is a refrigeration appliance ( | 02-16-2012 |
20140033752 | VEHICLE AIR-CONDITIONING DEVICE - In vehicle air-conditioning devices including a refrigerant circuit having a compressor, an outdoor heat exchanger, an expansion device, and an indoor heat exchanger that are connected by refrigerant pipes to form a refrigeration cycle; an indoor air-sending device that supplies air to the indoor heat exchanger; and an outdoor air-sending device that supplies air to the outdoor heat exchanger, the refrigerant circuit is installed under the floor of a vehicle and uses carbon dioxide as the refrigerant. | 02-06-2014 |
20140090408 | System and Method for Managing HVAC Excess Air Condition - A heating, ventilation, and/or air conditioning (HVAC) system includes a bypass duct configured to selectively receive a bypass airflow therethrough in response to a supply air pressure of the HVAC system and a supply air temperature of the HVAC system. | 04-03-2014 |
20160187048 | Refrigerator - Disclosed herein is a refrigerator in which a cold storage material suitable for a freezing chamber may be packed in a cool pack for the freezer section and/or the refrigerator section to keep the respective sections cooler if there is a power failure. | 06-30-2016 |