Entries |
Document | Title | Date |
20080216497 | Method and apparatus for improving the efficiency of a heat pump HVAC system - A heating and/or cooling system for a dwelling, including a heat exchanger that is located indoors, and ducting that directs rejected air to the attic space or outdoors. The heat exchanger is pre-heated and/or pre-cooled with indoor space air, thereby increasing the efficiency of the system. Additionally, a pair of parallel heat exchangers are mounted in the air path of the air handler that forces air in the indoor space of the dwelling. The parallel heat exchangers are connected to conduit through which refrigerant flows between the first heat exchanger, a compressor and an expansion valve. The parallel heat exchangers are mounted in the air path, and because they are heated or cooled to the same extent, they heat or cool the air blowing through them to a great extent than a conventional heating and cooling system. | 09-11-2008 |
20100281895 | AIR CONDITIONER - An air conditioner includes an indoor heat exchanger (radiator) and a controller. The radiator causes heat radiation to be performed with respect to air from a supercritical refrigerant during heating operation. The controller controls a room temperature by causing a high-pressure side pressure and a refrigerant outlet temperature of the radiator to reach respective target values. Preferably, the controller detects a refrigerant outlet temperature of the radiator with an outlet temperature sensor and detects a room temperature with a room temperature sensor. The controller increases or decreases a target value of the high-pressure side pressure when the controller has judged that there is an excess or a deficiency of capacity in view of the room temperature inside a room that is to be heated even when the refrigerant outlet temperature of the radiator has reached a target value during heating. | 11-11-2010 |
20100281896 | Evaporative Air Cooler With Multi Stages Cooling And Or Heating With Or Without Cooling Coil - An outdoor air cooler with two stages includes a first stage for cooling and humidification with constant wet bulb temperature. The air cooler has a first stage pump circulating water over the first stage evaporative cooling media operating at conditions having a constant adiabatic wet bulb temperature line. The first stage tank is supplied with water from external source. The second stage includes a second set of evaporative cooling media using water from the first stage media, which is equal to or lower than outdoor air wet bulb temperature. The temperature of air leaving the second stage evaporative media follows the adiabatic wet bulb temperature line toward the second stage tank water temperature thereby cooling humidifying the treated air to stable wet and dry bulb temperatures. | 11-11-2010 |
20110120161 | EXPANSION VALVE, HEAT PUMP TYPE REFRIGERATION CYCLE APPARATUS, AND AIR HANDLING UNIT - A first expansion valve is provided in an outdoor unit, and a second expansion valve is provided in an indoor unit. A pipe line connects a first joint pipe of the first expansion valve and a second joint pipe of the second expansion valve. When a refrigerant flows in from the second joint pipe and flows out from the first joint pipe, the first and second expansion valves are in a full open state due to pressure of the refrigerant. When the refrigerant flows in from the first joint pipe and flows out from the second joint pipe, the first and second expansion valves are in semi-closed state (flow rate controlling state). In a cooling mode, the second expansion valve expands the refrigerant just before an indoor heat exchanger, and in a heating mode, the first expansion valve expands the refrigerant just before an outdoor heat exchanger. In both heating and cooling mode, a large amount of refrigerant flows through the pipe line to reduce pressure loss. | 05-26-2011 |
20110138829 | Heat Pump System - In a conventional heat pump system which has a space heat exchanger, a motor ( | 06-16-2011 |
20110167850 | Air conditioner for vehicle - In a refrigerant cycle device for a vehicle air conditioner, a refrigerant flow switching device is configured to switch one of a cooling mode, a first heating mode and a second heating mode. In the first heating mode, refrigerant discharged from a compressor flows through a radiator, a heating decompression device and an exterior heat exchanger in this order, and the refrigerant flowing out of the exterior heat exchanger is introduced to a refrigerant suction side of the compressor while bypassing an evaporator. In contrast, in the second heating mode, the refrigerant discharged from the compressor flows into the radiator, and the refrigerant flowing out of the radiator is introduced to the refrigerant suction side of the compressor while bypassing both the exterior heat exchanger and the evaporator, so that the refrigerant radiates heat at the radiator. | 07-14-2011 |
20110192181 | REFRIGERANT SYSTEM - A refrigerant system is provided. The refrigerant system may use an electronic expansion valve that electronically controls an opening degree thereof, as a high-pressure valve and a low-pressure valve to selectively block a high-pressure branch valve and a low-pressure branch valve. Accordingly, noise transmitted to an interior space may be minimized when the operation mode of the refrigerant system is switched. In addition, the structure of the refrigerant system may be simplified. | 08-11-2011 |
20110192182 | HUMIDITY CONTROL APPARATUS - A humidity control apparatus includes a refrigerant circuit ( | 08-11-2011 |
20110214444 | HEAT PUMP WATER HEATER - A heat pump water heater in which the number of components is small, a measure against drain pan freezing is realized with a simple structure, and a drain reservoir is difficult to be generated in the drain pan is obtained. | 09-08-2011 |
20110259024 | HEAT PUMP TYPE SPEED HEATING APPARATUS - A heat pump type speed heating apparatus, comprising: a cooling cycle circuit to circulate a first refrigerant to operate air conditioning, the cooling cycle circuit including a compressor, an outdoor heat exchanger, an expansion apparatus, and an indoor heat exchanger, a hot water supply compressor to compress a second refrigerant, a hot water supply heat exchanger to condense the compressed second refrigerant and to heat water, a hot water supply expansion apparatus to expand the second refrigerant from the hot water supply heat exchanger, and a cascade heat exchanger, connected to the cooling cycle circuit, to evaporate the second refrigerant expanded at the hot water supply expansion apparatus, and the first refrigerant to undergo condensation, expansion, and evaporation in the cooling cycle circuit. | 10-27-2011 |
20110259025 | HEAT PUMP TYPE SPEED HEATING APPARATUS - A heat pump type speed heating apparatus is provided that may include a cooling cycle circuit (including a compressor, an outdoor heat exchanger, an expansion apparatus, and an indoor heat exchanger), a hot water supply heat exchanger connected to the cooling cycle circuit through a hot water supply flow path for a refrigerant from the compressor to condense, expand, and evaporate in the cooling cycle circuit after being used for a hot water supply, a refrigerant controller to control a flow direction of the refrigerant from the compressor such that the refrigerant discharged from the compressor passes through the hot water supply heat exchanger or bypasses the hot water supply heat exchanger, and a heat exchanger bypass flow path to guide the refrigerant that has passed the hot water heat exchanger between the outdoor heat exchanger and the indoor heat exchanger to bypass either of the outdoor heat exchanger or the indoor heat exchanger. | 10-27-2011 |
20110283726 | HOT WATER SUPPLY DEVICE ASSOCIATED WITH HEAT PUMP AND METHOD FOR CONTROLLING THE SAME - A hot water supply apparatus associated with a heat pump is disclosed herein. The hot water supply apparatus may include a main refrigerant circuit that includes a compressor, an indoor heat exchanger, an expander, and an outdoor heat exchanger; a hot water supply circuit connected to the main refrigerant circuit; a first flowrate regulator that adjusts a first flowrate of refrigerant that flows from the compressor through the main refrigerant circuit; a second flowrate regulator that adjusts a second flowrate of refrigerant that flows from the compressor to the hot water supply circuit; and a controller configured to control the first and second flowrate regulators based on a load on at least one of the main refrigerant circuit or the hot water supply circuit. | 11-24-2011 |
20110289950 | HOT WATER SUPPLY APPARATUS ASSOCIATED WITH HEAT PUMP - A hot water supply apparatus associated with a heat pump is provided. In the hot water supply apparatus, refrigerant flowing through an evaporator and a compressor of a refrigerant cycle may perform a heat-exchange operation with water so that, a hot water supply operation may be substantially continuously performed without performing a defrosting operation. | 12-01-2011 |
20110308265 | INTEGRATED VENTILATION UNIT - An integrated ventilation unit configured to provide ventilation and conditioned air to an indoor space may include a heat pump system, an energy recovery device and a control unit. The heat pump system may include a first coil located at a supply air side of the ventilation unit, a second coil located at an exhaust air side of the ventilation unit, and a compressor. The energy recovery device may be configured to transfer heat between a return air stream and a supply air stream and the control unit may be configured to control operation of the heat pump system and the energy recovery device. | 12-22-2011 |
20120102991 | HEAT PUMP TYPE WATER HEATING APPARATUS - A heat pump type water heating apparatus is provided that includes a refrigeration cycle circuit having a first refrigerant and water heat exchanger to perform a heat exchange between a first refrigerant and water, and a first refrigerant and second refrigerant heat exchanger to perform a heat exchange between the first refrigerant and a second refrigerant. The heat pump type water heating apparatus may also include a cascade circuit having the first refrigerant and second refrigerant heat exchanger to operate jointly with the refrigeration cycle circuit, the cascade circuit also having a second refrigerant and water heat exchanger to perform a heat exchange between the second refrigerant and water, and a water heating channel connected to the first refrigerant and water heat exchanger and the second refrigerant and water heat exchanger so water passes through the first refrigerant and water heat exchanger and then through the second refrigerant and water heat exchanger. | 05-03-2012 |
20120151949 | AIR CONDITIONING DEVICE - To provide an air-conditioning apparatus capable of achieving energy saving. An air-conditioning apparatus controls first heat medium flow switching devices and second heat medium flow switching devices in a heating only operation mode and a cooling only operation mode such that a flow rate through which a heat medium circulates is formed between all of the heat exchangers related to heat medium and at least one of use side heat exchangers. | 06-21-2012 |
20120198873 | AIR-CONDITIONING APPARATUS - Obtained is an air-conditioning apparatus that is capable of saving energy. A pressure in a passage of the second refrigerant flow switching device in which a refrigerant from an outdoor unit flows into is higher than a pressure in a passage of the second refrigerant flow switching device in which the refrigerant flows out to the outdoor unit regardless of switching states of a first refrigerant flow switching device, the second refrigerant flow switching devices, and a third refrigerant flow switching device. | 08-09-2012 |
20120198874 | AIR CONDITIONING APPARATUS - An air-conditioning apparatus includes indoor units including a plurality of use side heat exchangers that exchange heat between air and a heat medium, and a heat medium relay unit having a plurality of heat exchangers related to heat medium. A plurality of pumps deliver the heat medium involved in heating or cooling performed by the plurality of heat exchangers related to heat medium to each passage and circulate the heat medium. A plurality of heat medium flow switching devices perform switching so that the heat medium from a selected passage flows into and flows out of each use side heat exchanger. An expansion tank is connected to a passage alleviates a pressure change caused by a volumetric change of the heat medium, and a pressure equalizing pipe connects each inlet passage or each outlet passage of the heat medium sending devices. | 08-09-2012 |
20120204584 | METHOD AND APPARATUS FOR CONTROLLING THE COOLING AND HEATING FUNCTIONS OF A HEAT PUMP - A method and system for controlling the operation of a heat pump in a load management system. The system includes a heat pump control module positioned between a thermostat and the heat pump. The heat pump module includes a pair of switching elements positioned between the control outputs of the thermostat and the compressor and heating element of the heat pump. A transfer switch control unit can selectively open and close each of the switching element to interrupt the control signals from the thermostat to the compressor and the heating element of the heat pump. The heat pump module is a self-contained unit including both of the switching elements such that a single load control module can be positioned between the thermostat and the heat pump and control both elements of the heat pump. | 08-16-2012 |
20120204585 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus capable of achieving energy saving is provided. In the air-conditioning apparatus, even when a switching state of a first refrigerant flow switching device varies, a pressure state of a heat source side refrigerant in a bypass pipe is switched between high and low pressures by second refrigerant flow switching devices and a third refrigerant flow switching device (on-off device). | 08-16-2012 |
20120234032 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus includes a refrigerant circuit having a plurality of expansion devices that controls a flow rate of the refrigerant flowing in each of a plurality of heat exchangers related to heat medium; a heat medium circuit having the heat exchangers related to heat medium and a use side heat exchanger that exchanges heat between the heat medium and air; heat medium flow switching devices disposed on an inflow side and an outflow side of the use side heat exchanger to mix or diverge the heat medium pertaining to the heat exchangers related to heat medium; and a controller that controls at least the heat medium flow switching device on the inflow side or the outflow side that controls the amount of heat exchange in each of the heat exchangers related to heat medium during cooling only operation mode or heating only operation mode. | 09-20-2012 |
20120247137 | AIR CONDITIONER FOR VEHICLE - Provided is an air conditioner for a vehicle which can prevent the controls over cooling cycle and heating cycle from interfering with each other and thereby prevent hunting between the cooling and heating cycles even when a compressor is operated to perform the heating cycle in an overlapping temperature range where air cooling and air heating are both required. An air conditioner ( | 10-04-2012 |
20120255319 | REFRIGERANT CYCLE DEVICE - A refrigerant cycle device includes a first refrigerant passage for guiding refrigerant from a refrigerant radiator to an inlet side of an outdoor heat exchanger, a first throttle part capable of varying an opening area of the first refrigerant passage, a second refrigerant passage for guiding the refrigerant from the outdoor heat exchanger to a compressor-suction side, a first opening/closing part for opening/closing the second refrigerant passage, a third refrigerant passage for guiding the refrigerant from the outdoor heat exchanger to the compressor-suction side via an evaporator, a second throttle part capable of varying an opening area of the third refrigerant passage, a bypass passage for guiding the refrigerant flowing between the refrigerant radiator and the first throttle part to a position between the outdoor heat exchanger and the second throttle part in the third refrigerant passage, and a second opening/closing part for opening/closing the bypass passage. | 10-11-2012 |
20120260685 | HEAT PUMP SYSTEM - A heat pump system includes a heat-source-side refrigerant circuit and a controller. The heat-source-side refrigerant circuit has a plurality of usage units having usage-side heat exchangers. The plurality of usage units are connected to a heat source unit having a plurality of heat-source-side heat exchangers and a heat-source-side compressor configured to compress a heat-source-side refrigerant. The controller causes the plurality of heat-source-side heat exchangers to function as evaporators and radiators of heat-source-side refrigerant to perform an air-cooling operation and an air-warming operation using an aqueous medium. The heat pump system operates so that the heat-source-side condensing temperature is below | 10-18-2012 |
20120279241 | HEAT PUMP CONTROL - A control is provided that includes a sensor that provides an output indicative of a sensed temperature of a condenser coil of the heat pump, and a controller for controlling activation of at least a compressor of the heat pump. The controller is configured to compare the output of the sensor to a representation of sensed ambient temperature to determine whether the reversing valve is in heat mode where the sensed ambient temperature exceeds the sensed temperature of the condenser coil, or in cool mode where the sensed ambient temperature is less than the sensed temperature of the condenser coil. The controller is further configured to deactivate at least the compressor of the heat pump when the reversing valve is determined to be in a mode that is inconsistent with the heat pump's heating operation or cooling operation. | 11-08-2012 |
20120285188 | HEAT PUMP SYSTEM - A heat pump system includes a refrigerant circuit and a controller. The refrigerant circuit has usage units connected to a heat source unit. The usage units have first usage-side heat exchangers and second usage-side heat exchangers. The heat source unit has heat-source-side heat exchanger and a compressor. The controller causes the heat-source-side heat exchanger to function as an evaporator or as a radiator in accordance with an overall heat load of the usage units when the heating operation or the cooling operation has been set for each of the usage units. The aqueous medium is heated by heat radiation of the refrigerant in the first usage-side heat exchangers in the heating operating, and is cooled by evaporation of the heat-source-side refrigerant in the second usage-side heat exchangers in the cooling operation. | 11-15-2012 |
20130019622 | AIR CONDITIONING APPARATUS | 01-24-2013 |
20130081417 | AIR CONDITIONING APPARATUS - An air conditioning apparatus | 04-04-2013 |
20130145785 | AIR CONDITIONER - An air conditioner which controls capacity of an outdoor heat-exchanger unit without an on-off valve that exhibits high pressure loss, which prevents accumulation of refrigerant in an outdoor heat-exchanger, and which maintains reliability of a compressor or refrigeration cycle. The air conditioner includes a first expansion valve on a liquid line of a first outdoor heat- exchanger, a second expansion valve on a liquid line of a second outdoor heat-exchanger, a first connection line to connect a suction line to one port of the first | 06-13-2013 |
20130219939 | VEHICLE HEAT PUMP SYSTEM - A vehicle heat pump system includes a compressor, a first valve coupled to an outlet of the compressor, a cooling circuit between the first valve and the inlet of the compressor, a heating circuit between the first valve and the inlet of the compressor and a controller. The heating circuit includes a heating circuit evaporator and a second valve between the heating circuit evaporator and the inlet of the compressor. The controller is configured to operate the first valve to switch between a cooling mode and a heating mode, cycle the second valve opened and closed in the heating mode, such that when closed, the compressor draws refrigerant out of the cooling circuit and refrigerant pressure builds up within the heating circuit, and maintain the second valve open upon the controller determining that sufficient refrigerant has been drawn out of the cooling circuit during the cycling of the second valve. | 08-29-2013 |
20130219940 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus controls a heat medium passage reversing device so that, when it detects a heat medium flowing through a heat medium flow passage of the heat exchanger will not be frozen, a refrigerant flowing through a refrigerant flow passage of the heat exchanger related to heat medium and the heat medium flowing through the heat medium flow passage of the heat exchanger related to heat medium are in counter flow, and control the heat medium passage reversing device so that, when it detects that there is a possibility of freezing of the heat medium flowing through the heat medium flow passage of the heat exchanger related to heat medium, the refrigerant flowing through the refrigerant flow passage of the heat exchanger related to heat medium and the heat medium flowing through the heat medium flow passage of the heat exchanger related to heat medium are in parallel flow. | 08-29-2013 |
20130227978 | AIR CONDITIONER - An air conditioner | 09-05-2013 |
20130239602 | AIR-CONDITIONING APPARATUS - A heat pump hot-water supply apparatus controls a second expansion device during a heating operation so as to adjust the amount of refrigerant flowing through an injection pipe, and controls a third expansion device during a cooling operation so as to adjust the amount of refrigerant flowing through the injection pipe. | 09-19-2013 |
20130269378 | Energy Efficient Air Heating, Air Conditioning and Water Heating System - An air heating, air conditioning and water heating system includes a multi-communicative valve unit, a compressor arranged for compressing the refrigerant in a state of superheated vapor, a condenser communicated with the compressor through the multi-communicative valve unit, a heat exchanger communicated with the condenser through the multi-communicative valve unit, an expansion valve, and a water heater communicated with the heat exchanger and the compressor through the multi-communicative valve unit, wherein the multi-communicative valve unit is arranged to be operated to selectively establish at least an air conditioning route, an air heating route, and a water heating route for the refrigerant so that the air heating, air conditioning and water heating system is capable of selectively providing air conditioning, heating and delivering hot water for a predetermined premises. | 10-17-2013 |
20130269379 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus includes a refrigerant circuit in which a compressor, a refrigerant flow switching device, a refrigerant flow path of a heat exchanger related to heat medium that exchanges heat between a refrigerant and a heat medium, an expansion device, and a heat source-side heat exchanger are connected by a refrigerant pipe to form a refrigeration cycle, and a heat medium circuit in which a heat medium flow path of the heat exchanger related to heat medium, a pump, and a use-side heat exchanger are connected by a heat medium pipe. The air-conditioning apparatus includes an opening and closing device that is provided in a heat medium supply pipe that supplies the heat medium to the heat medium circuit from outside the circuit, and that passes or cuts off the heat medium flowing from the heat medium supply pipe to the heat medium circuit. | 10-17-2013 |
20130312442 | AIR CONDITIONING DEVICE FOR VEHICLE - A vehicle air conditioning apparatus is provided to prevent a frost from being formed on a heat exchanger under the condition that the outdoor temperature is low. During a heating and dehumidifying operation, the third solenoid valve | 11-28-2013 |
20140096552 | EXPANSION VALVE FOR A VAPOUR COMPRESSION SYSTEM WITH REVERSIBLE FLUID FLOW - An expansion valve ( | 04-10-2014 |
20140102124 | Hybrid Heating System - Hybrid heating system including: a heat pump water heating system; sensors, for measuring a system parameter; an input arrangement providing cost data pertaining to a first power cost for supplying power to the heat pump system, and to cost information pertaining to a second power cost for operating a conventional heating system; a processor storing criteria specifying when to operate the heat pump and conventional systems, the processor receiving and processing: cost data; cost information; system parameter data; flow information on a heat exchange system circulation arrangement, and heat pump system power consumption information; and concurrently operating, upon demand, the heat pump system and a chiller system in opposite heating modes; wherein, when the chiller system operates in a cooling mode, the processor processes the cost data and information, system parameter data, and flow and power consumption information, and controls the systems based on the criteria. | 04-17-2014 |
20140150483 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus includes a plurality of intermediate heat exchangers performing the same function (as a condenser or an evaporator) and allows each intermediate heat exchanger to exchange heat between a refrigerant heated or cooled in a refrigeration cycle on a heat source side and a heat medium flowing through a heat medium circuit on a use side such that heat energy produced on the heat source side is transmitted to use side heat exchangers. A controller calculates the difference between a heat medium inlet temperature and a heat medium outlet temperature Two of the use side heat exchanger which is operating to obtain a heat medium temperature difference for the use side heat exchanger, and controls a heat medium flow control device such that the heat medium temperature difference reaches a target heat medium temperature difference. | 06-05-2014 |
20140165635 | AIR-CONDITIONING APPARATUS - A channel on an upstream side of a third expansion device and a channel on an upstream side of a second expansion device are connected during a heating operation, and medium pressure refrigerant generated by the third expansion device during the heating operation is introduced on a suction side of a compressor via the second expansion device and a suction injection pipe. | 06-19-2014 |
20140238061 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus includes a temperature sensor for detecting a temperature of the heat medium sent from each of the intermediate heat exchangers to each of the use-side heat exchangers, and a temperature of the heat medium that has exited each of the use-side heat exchangers, an opening degree controller for regulating a flow rate of the heat medium through each of the heat medium flow control devices, and a computing unit for computing a usage capacity of each of the indoor units from a rotation speed of the pump, an opening degree of each of the heat medium flow control devices, temperatures detected by the temperature sensors, and power consumption of each of the indoor units, and proportionally dividing the power consumption for a common portion among each of the indoor units based on the computed usage capacity and the power consumption of the common portion. | 08-28-2014 |
20140352338 | AIR-CONDITIONING APPARATUS AND RAILWAY VEHICLE AIR-CONDITIONING APPARATUS - An air-conditioning apparatus includes a compressor, a four-way valve, expansion means, and an indoor heat exchanger, and further includes a check valve disposed between a discharge side of the compressor and the four-way valve, a first solenoid valve disposed between the expansion means and the indoor heat exchanger, and a controller. Opening and closing of the first solenoid valve are controllable. The controller switches the four-way valve and switches the first solenoid valve between open and closed states. When a heating operation is stopped, the controller switches the four-way valve from connection for the heating operation to connection for a cooling operation, closes the first solenoid valve, and then stops the compressor. | 12-04-2014 |
20150020535 | AIR-CONDITIONING APPARATUS - In the case of a heating operation in which a use side heat exchanger functions as a condenser when the outside air has a predetermined low temperature, a low-outside-air-temperature heating operation start mode is executed in which, while a refrigerant, as discharged from a compressor, flows into the use side heat exchanger, the refrigerant, upon flowing into the injection pipe, merges with a part of the refrigerant discharged from the compressor, which has traveled through the connecting pipe and has transferred heat in the heat source side heat exchanger, and a merged refrigerant is supplied to the injection port of the compressor, and thereafter a low-outside-air-temperature heating operation mode is executed in which the refrigerant, as discharged from the compressor, is supplied to the injection port of the compressor via the injection pipe while flowing into the use side heat exchanger. | 01-22-2015 |
20150027154 | HEAT PUMP AND FLOW PATH SWITCHING APPARATUS - A heat pump performs a simultaneous air-conditioning and heating operation through the addition of a flow path switching apparatus. The heat pump may include a plurality of outdoor units, a plurality of indoor units, and a plurality of flow path switching apparatuses that switch a flow path between an outdoor unit and an indoor unit. A refrigerant flow path may be formed from the outdoor unit to the indoor unit via a high-pressure gas pipe. The flow path switching apparatuses may switch a flow path so that a refrigerant flow path is formed from the indoor unit to the outdoor unit via a low-pressure gas pipe. The heat pump may further include an indoor unit mode controller that is connected to the plurality of outdoor units through a liquid pipe, and which is connected to each of the plurality of flow path switching apparatuses. | 01-29-2015 |
20150059377 | AIR CONDITIONING APPARATUS - An air conditioning apparatus has a refrigerant circuit in which a compressor, a four-way switching valve, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger are interconnected. The outdoor heat exchanger uses multi-hole flat tubes as heat transfer tubes. When stopping a heating operation, the air conditioning apparatus performs pressure equalization control that switches the four-way switching valve from a heating cycle state to a cooling cycle state, thereafter stops the compressor, and equalizes the pressure in the refrigerant circuit. | 03-05-2015 |
20150075196 | REFRIGERATION CYCLE SYSTEM - In a refrigeration cycle system, switching is allowed between a parallel operation mode and a series operation mode. In the parallel operation mode, a refrigerant, upon leaving a load side heat exchanger, parallelly flows through a high-pressure side passage of each of a first internal heat exchanger and a second internal heat exchanger and then flows into an expansion valve. In the series operation mode, the refrigerant, upon leaving the load side heat exchanger, flows through the high-pressure side passage of the first internal heat exchanger, further flows through the high-pressure side passage of the second internal heat exchanger, and then flows through a high-pressure side bypass pipe into the expansion valve. | 03-19-2015 |
20150096320 | HEAT PUMP DEVICE, AIR CONDITIONER, AND FREEZER - A heat pump device includes: a compressor including a compression mechanism compressing a refrigerant and a motor driving the compression mechanism; an inverter unit applying a voltage for driving the motor; an inverter control unit generating a driving signal for driving the inverter unit; and temperature sensors detecting temperatures of the compressor, wherein the inverter control unit includes a normal operation mode in which a refrigerant is compressed by performing a normal operation of the compressor and a heating operation mode in which a heating operation of the compressor is performed by applying, to the motor, a high-frequency voltage, and in the heating operation mode, the inverter control unit determines an amplitude and a phase of a voltage command for generating the high-frequency voltage on a basis of a temperatures detected by the temperature sensors and a necessary amount of heat specified in advance. | 04-09-2015 |
20150128628 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus includes a heat source-side unit including a compressor that compresses a refrigerant and a heat source-side heat exchanger, a plurality of use-side units each including a use-side heat exchanger, and a plurality of intermediate heat exchangers connected to the heat source-side unit and to the use-side units. A target determination device detects condensation status of each of the use-side units and determines whether to perform condensation suppression control. The use-side unit determined by the target determination means to be subjected to the condensation suppression control is connected to an intermediate heat exchanger for adjustment. A refrigerant circuit control device controls a temperature of the refrigerant flowing into the intermediate heat exchanger for adjustment so that the heat medium temperature T of the heat medium flowing into at least one use-side unit enters a predetermined target set temperature range. | 05-14-2015 |
20150128629 | REFRIGERATION APPARATUS - A refrigeration apparatus uses R32 as refrigerant, and includes a compressor, condenser, expansion mechanism, evaporator, accumulator, branching flow path, opening degree adjustment valve disposed in the branching flow path, injection-use heat exchanger and a first injection flow path. The accumulator has an inside space to separate and accumulate refrigerant. The injection-use heat exchanger causes heat exchange between refrigerant flowing through the main refrigerant flow path and that has passed through the opening degree adjustment valve of the branching flow path. The first injection flow path guides the refrigerant that has flowed through the branching flow path and exited the injection-use heat exchanger to the inside space of the accumulator. A distal end of the first injection flow path is located in a height position separated by a dimension from a bottom of the inside space. The dimension is 0 to 0.3 times a height dimension of the inside space. | 05-14-2015 |
20150292756 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus divides an outdoor heat exchanger to form parallel heat exchangers and supplies part of refrigerant from a compressor to the parallel heat exchangers alternately to perform defrosting, performs medium-pressure defrosting in which part of the refrigerant from the compressor is decompressed and supplied to a parallel heat exchanger to be subjected to defrosting, and the refrigerant after being used for defrosting is injected into the compressor. A first flow switching unit performs switching of a connection mode of ends of the parallel heat exchangers on compressor side, where the pressure changes among high pressure, medium pressure, and low pressure according to operation contents, to one of three modes: a mode with the ends connected to the compressor discharge side, a mode with the ends connected to the compressor suction side, and a mode with the ends connected to neither the discharge nor suction side. | 10-15-2015 |
20150292779 | DOUBLE-COMPRESSOR AIR-SOURCE HEAT PUMP HEATING AND HEAT SUPPLY SYSTEM - The present invention includes a unit part, a heating part, a heat supply part, and an intelligent control part. The unit part includes an air-source heat pump heating part, an electric heating part, a water pipeline fittings part and a control circuit part. The control circuit part can control the heating part to use different compressor according to the temperature of water and environment; if the outflow temperature cannot reach the standard that the electric heating part would work according to the difference of inflow and outflow temperature as well as the flow quantity, to the contrary, it won't work; if both of the air-source heat pump part and the control circuit part worked but the temperature still cannot reach the set temperature that the water flow regulating valve will used to make the water stay in constant temperature. | 10-15-2015 |
20150298525 | VEHICLE AIR CONDITIONER - There is disclosed a vehicle air conditioner which can effectively eliminate occurrence of excess or lack of an amount of a refrigerant to be circulated in an internal cycle mode. A controller changes and executes a heating mode, a dehumidifying and heating mode, an internal cycle mode, a dehumidifying and cooling mode, and a cooling mode. When an amount of the refrigerant to be circulated is excessively large in the internal cycle mode, a controller executes a refrigerant sealing mode to seal a refrigerant in an outdoor heat exchanger | 10-22-2015 |
20150298526 | VEHICLE AIR CONDITIONER - There is disclosed a vehicle air conditioner which can realize a desirable outlet temperature even when a refrigerant subcool degree of a radiator varies. A controller executes a heating mode to let a refrigerant discharged from a compressor | 10-22-2015 |
20150306939 | VEHICLE AIR CONDITIONER - There is disclosed a vehicle air conditioner which can enlarge an effective range of a dehumidifying and cooling mode to realize comfortable air condition in a vehicle interior. A controller changes and executes at least one of a heating mode, a dehumidifying and heating mode, a dehumidifying and cooling mode, and a cooling mode. In at least the dehumidifying and cooling mode, the controller controls a capability of a compressor | 10-29-2015 |
20150314668 | VEHICLE AIR-CONDITIONING DEVICE - There is disclosed a vehicle air-conditioning device in which a heating qualification by gas injection can sufficiently be obtained. The vehicle air-conditioning device comprises a compressor | 11-05-2015 |
20150316276 | AIR CONDITIONING SYSTEM - When the air conditioner implements the temperature controlling operation, the ventilator performs ventilation in a normal ventilation mode where a ventilation amount is set at a certain ventilation amount or more. When the air conditioner implements the operation not intended for temperature control, the ventilator performs ventilation in a ventilation suppressed mode where the number of rotations of an exhaust fan is made greater than that of an air supply fan to place indoor space in a negative pressure and ventilation is performed at an amount smaller than the certain ventilation amount or ventilation is stopped. In the ventilation suppressed mode, a ventilation amount is set to be smaller in response to a greater heating load that is increased by ventilation performed during the operation not intended for temperature control. | 11-05-2015 |
20150316278 | AIR CONDITIONER HEAT-RADIATING CIRCULATION SYSTEM - Disclosed is an air conditioner heat-radiating circulation system, comprising a compressor ( | 11-05-2015 |
20150330674 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus is capable of cooling a first heat medium and heating the first heat medium at the same time in a relay unit, and the cooled first heat medium and the heated first heat medium can be separately distributed to a plurality of indoor units. Waste heat of a first refrigerant circuit can be discharged to an outdoor space via a second heat medium and the second refrigerant. | 11-19-2015 |
20150338134 | HEAT PUMP DEVICE FOR VEHICLE - A heat pump device for a vehicle, capable of effectively utilizing the heat of structural members. This heat pump device for a vehicle comprises: an electric compressor for compressing and discharging refrigerant; and a high-temperature water-refrigerant heat exchanger for conducting heat exchange between the high-temperature, high-pressure refrigerant discharged by the electric compressor and a first cooling liquid which is antifreeze; the high-temperature water-refrigerant heat exchanger surrounding and being in contact with the electric compressor so as to be capable of heat exchange with the electric compressor. | 11-26-2015 |
20150345838 | GEOTHERMAL HEAT PUMP SYSTEM - A novel geothermal heat pump system, a novel building structure incorporating the geothermal heat pump system and a novel method of installing a geothermal heat pump system ground loop is disclosed which includes one or more geothermal pads for carrying water through the system. The geothermal pads exchange heat with the floor of the structure or may be incorporated into the floor during construction. The geothermal pads are coupled to a geothermal heat pump, which is coupled to a heat exchanger. The system includes a water pump and may include an inline water heater. | 12-03-2015 |
20150354878 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus includes: a first bypass pipe connected to an inlet-side passage of an accumulator through a second expansion device, a second passage of a subcooling heat exchanger, and a first opening and closing device; a second bypass pipe branched from the first bypass pipe between the subcooling heat exchanger and the first opening and closing device and connected to an injection port of a compressor through a second opening and closing device; and a third bypass pipe branched from a refrigerant pipe between a heat source-side heat exchanger and a use-side heat exchanger and connected to the second bypass pipe between the second opening and closing device and the injection port of the compressor through a third expansion device. | 12-10-2015 |
20150369498 | AIR-CONDITIONING APPARATUS - In a case where frost is deposited a heat-source-side heat exchanger during a heating operation mode, an air-conditioning apparatus executes either a “heat recovery defrosting operation mode” using a heat capacity held in a heat medium or a “bypass defrosting operation mode” not using the heat capacity held in the heat medium. | 12-24-2015 |
20160001634 | VEHICLE AIR CONDITIONING DEVICE - The vehicle air conditioning device has a first refrigeration cycle and second refrigeration cycle that have a portion of a refrigeration pathway in common, and form different heat pump cycles; a first water-refrigerant heat exchanger included in the first refrigeration cycle, exchanges heat between a low-temperature and low-pressure refrigerant and the coolant of a heat-generating member of the vehicle, and vaporizes the refrigerant; a flow rate adjustment means that adjusts the flow rate of the coolant flowing through the heat-generating member and the first water-refrigerant heat exchanger; a detection means that detects a decline in the amount of refrigerant in the first refrigeration cycle due to the inflow of the refrigerant into the second refrigeration cycle; and a control means that, when a decline in the amount of refrigerant in the first refrigeration cycle has been detected, controls the flow rate adjustment means, reducing the flow rate of the coolant. | 01-07-2016 |
20160001635 | VEHICULAR AIR CONDITIONING DEVICE, AND COMPONENT UNIT THEREOF - The vehicular air conditioning device is provided with: a first water-refrigerant heat exchanger that vaporizes refrigerant by exchanging heat between the refrigerant of low temperature and low pressure in a heat pump and a cooling fluid for the heat generating component of the vehicle; and a second water-refrigerant heat exchanger that condenses the refrigerant by exchanging heat between the refrigerant of high temperature and high pressure in the heat pump and a cooling fluid for heat transport. The vehicular air conditioning device is configured such that the second water-refrigerant heat exchanger is connected, in a cooling fluid circulable manner, to a heater core for providing heat to air supplied into the cabin. The first water-refrigerant heat exchanger is connected, in a cooling fluid circulable manner, to a passageway for cooling the heat generating component without passing through the heater core. | 01-07-2016 |
20160001636 | VEHICLE AIR CONDITIONING DEVICE - The vehicle air conditioning device is equipped with: a heater core that imparts heat to air flowing to the vehicle cabin interior by flowing a high temperature cooling liquid; a first water-refrigerant heat exchanger that exchanges heat between the cooling liquid and the high-temperature, high-pressure refrigerant in a heat pump, thus condensing the refrigerant; a flow rate adjustment means that adjusts the flow rate of the cooling liquid flowing through the heater core and the first water-refrigerant heat exchanger; and a control unit that performs air conditioning control. The control unit controls the flow rate adjustment means, and adopts a configuration that for a predetermined time period from the starting up of the heat pump, sets the flow rate of the cooling liquid to a second flow rate that is lower than a first flow rate during standard operating. | 01-07-2016 |
20160010890 | HEAT PUMP WATER HEATING SYSTEM | 01-14-2016 |
20160016459 | VEHICLE AIR CONDITIONER - A heat pump device | 01-21-2016 |
20160025384 | HEAT PUMP AIR CONDITIONER - A heat pump air conditioner includes an intake side heat exchanger including heat transfer pipes passing a refrigerant and being arranged in a direction along an air inlet face, intake heat exchanger configured to cool or warm air and supply the air to a space. A plurality of heat pumps include a plurality of compressors and configured to compress the refrigerant and supply the compressed refrigerant to the heat transfer pipes and a plurality of heat side exchangers and connected to the respective compressors, the heat pumps sharing the air intake side heat exchanger, and a controller configured to switch a state of the compressors and between an operating state and an operation stopped state. The controller controls the compressors and to switch an operation of each of the compressors and between starting and stopping in accordance with a magnitude of an air-conditioning load. | 01-28-2016 |
20160061462 | APPARATUS AND METHOD FOR HYBRID WATER HEATING AND AIR COOLING AND CONTROL THEREOF - A system for conditioning air circulated from an interior of a building includes a refrigerant path, an air-cooled condenser in the refrigerant path, a water-cooled condenser in the refrigerant path that transfers heat from refrigerant in the refrigerant path to the building water, an evaporator in the refrigerant path, and a control system. The control system moves the system between operation of the air-cooled condenser and the water-cooled condenser based upon predetermined system conditions. | 03-03-2016 |
20160061508 | APPARATUS AND METHOD FOR HYBRID WATER HEATING AND AIR COOLING AND CONTROL THEREOF - A system for conditioning air circulated from an interior of a building includes a refrigerant path, an air-cooled condenser in the refrigerant path, a water-cooled condenser in the refrigerant path that transfers heat from refrigerant in the refrigerant path to the building water, an evaporator in the refrigerant path, and a control system. The control system moves the system between operation of the air-cooled condenser and the water-cooled condenser based upon predetermined system conditions. | 03-03-2016 |
20160075214 | VEHICLE AIR CONDITIONER - If the quantity of heat absorbed by an exterior heat exchanger | 03-17-2016 |
20160084551 | INDOOR UNIT OF AIR CONDITIONER, CONTROL TERMINAL APPARATUS AND AIR CONDITIONING METHOD - An indoor unit of an air conditioner including a plurality of indoor units and one outdoor unit connected to the plurality of indoor units to be operated as a cooling cycle or a heating cycle is provided. The indoor unit includes: a communicator receiving setting information for performing air conditioning in a room from a control terminal apparatus; and a controller determining whether the received setting information is valid setting information applicable to the indoor unit depending on whether the air conditioner is operated as the cooling cycle or the heating cycle and setting the setting information in the indoor unit depending on the determination result. | 03-24-2016 |
20160084554 | VEHICULAR AIR-CONDITIONING DEVICE - There is disclosed an air-conditioning device of a so-called heat pump system which acquires comfortable heating in a vehicle interior by preventing or inhibiting frost formation to an outdoor heat exchanger. In a vehicular air-conditioning device | 03-24-2016 |
20160091215 | Air Conditioning and Heat Pump System with Evaporative Cooling System - An air conditioning and heat pump system includes a multi-communicative valve unit, a compressor unit connected to the multi-communicative valve unit, an evaporator unit connected to the multi-communicative valve unit, a heat exchanger connected to multi-communicative valve unit, a water heater connected to the compressor unit and the multi-communicative valve unit, and an evaporative cooling system which comprises at least one multiple-effect evaporative condenser for effectively cooling the working fluid. The air conditioning and heat pump system is selectively operated in one of an air conditioning mode, a heat pump mode, a water heater mode, and a defrosting mode, and can be switched such that the working fluid can either be cooled by the evaporator unit or and evaporative cooling system. | 03-31-2016 |
20160091235 | OUTDOOR DEVICE AND AIR CONDITIONER - An outdoor device of an air conditioner includes a compressor, an outdoor fan, and an outdoor control board. The outdoor device includes: a control unit that controls the compressor and the outdoor fan; and a temperature detector that detects an ambient temperature of an electric component provided on the outdoor control board. The control unit, when the compressor is stopped, stops the outdoor fan and then determines whether a temperature detected by the temperature detector is equal to or higher than a threshold, and, when it is determined that the temperature detected by the temperature detector is equal to or higher than the threshold, operates the outdoor fan at a protective rotation number that is lower than a rotation number of the outdoor fan while the compressor is in operation so as to circulate air, thereby cooling the outdoor control board. | 03-31-2016 |
20160097568 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus includes: a refrigeration cycle; an injection circuit for connecting between an injection port and a branching portion arranged between an indoor expansion valve and a main circuit expansion valve; an injection circuit expansion valve arranged in the injection circuit; an internal heat exchanger for exchanging heat between refrigerant flowing between the branching portion and the main circuit expansion valve and refrigerant depressurized by the injection circuit expansion valve; and an outdoor unit control device, the outdoor unit control device being configured to control an opening degree A of the main circuit expansion valve so as to satisfy Relation A+C=B×Gr, where A represents the opening degree of the main circuit expansion valve, C represents an opening degree of the injection circuit expansion valve, B represents a coefficient, and Gr represents a refrigerant circulating amount in the refrigeration cycle. | 04-07-2016 |
20160104605 | TEMPERATURE CONTROL SYSTEM AND TEMPERATURE CONTROL METHOD - There is provided a temperature control system, including: a stage configured to support a workpiece and provided with a heat exchange medium flow path formed within the stage, the heat exchange medium flow path including a first end and a second end; a first valve; a second valve; a first heat exchange medium supply device including a supply port which supplies a first heat exchange medium adjusted to have a first temperature and a recovery port; a second heat exchange medium supply device including a supply port which supplies a second heat exchange medium adjusted to have a second temperature higher than the first temperature and a recovery port; and a control device configured to control the first and second valves such that the first and second heat exchange mediums are alternately supplied to the first end of the heat exchange medium flow path. | 04-14-2016 |
20160107507 | EV Multi-Mode Thermal Management System - A multi-mode vehicle thermal management system is provided that allows efficient thermal communication between a refrigerant-based thermal control loop and two non-refrigerant-based thermal control loops, where one of the non-refrigerant-based loops is thermally coupled to the vehicle's battery system and the other of the non-refrigerant-based control circuits is thermally coupled to the vehicle's drive train. The refrigerant-based control loop may be operated either in a heating mode or a cooling mode and is coupled to the vehicle's HVAC system using a refrigerant-air heat exchanger, and to the battery thermal control loop using refrigerant-fluid heat exchangers. A valve assembly is used to couple and/or decouple the battery and drive train thermal control loops, thereby allowing these two thermal control loops to operate either in parallel or in series. | 04-21-2016 |
20160109161 | AIR CONDITIONING APPARATUS - When the outside air temperature is low, an air conditioner | 04-21-2016 |
20160109163 | VEHICLE AIR CONDITIONING APPARATUS - A vehicle air conditioning apparatus includes: a heat exchanger adjustment unit which adjusts the flow rate of at least one of a heat medium and outside air flowing through a heat medium-to-outside air heat exchanger in such a way that a temperature related to a surface temperature of an air-cooling heat exchanger approaches a first target temperature, and a refrigerant flow rate adjustment unit which adjusts the flow rate of a refrigerant discharged from the compressor in such a way that a temperature related to a temperature of blast air, which has been adjusted in at least one of the air-cooling heat exchanger and an air-heating heat exchanger and which is blown out into a vehicle interior, approaches a second target temperature. Accordingly, a surface temperature of the air-cooling heat exchanger and the temperature of the blast air into the vehicle interior can be properly controlled. | 04-21-2016 |
20160116191 | REFRIGERATION CYCLE DEVICE - A refrigeration cycle apparatus includes a refrigeration cycle circuit including a compressor, a four-way valve, a heat source side heat exchanger, a heat source side pressure-reducing mechanism, an indoor side pressure-reducing mechanism, and an indoor side heat exchanger, and a hot water supply refrigerant circuit branching off from between the compressor and the four-way valve, including a hot water supply side heat exchanger and a hot water supply side pressure-reducing mechanism in order, and connected between the heat source side pressure-reducing mechanism and the indoor side pressure-reducing mechanism, wherein when a refrigerant state value on at least one of a low pressure side of the refrigeration cycle circuit and a discharge side of the compressor becomes a refrigerant collection start state value, a refrigerant collecting operation that collects refrigerant accumulated in the hot water supply refrigerant circuit into the refrigeration cycle circuit is started. | 04-28-2016 |
20160121694 | COOLING SYSTEM FOR VEHICLE - A cooling system for a vehicle comprises an engine cooling means that circulates a coolant to an engine and cools the coolant in an engine radiator, the engine being provided with a turbocharger; an electrical equipment cooling means that circulates the coolant to an electrical equipment comprising a motor and an electric power component, and cools the coolant in an integral radiator; and an air conditioner comprising a water-cooled condenser that primarily condenses a refrigerant and an air-cooled condenser coupled in series to the water-cooled condenser that secondarily condenses the refrigerant and that cools or heats a vehicle interior through the refrigerant, wherein the water-cooled condenser is disposed within the integral radiator and an intercooler mounted at an intake side of the engine uses the coolant to cool water and is connected to the electrical equipment cooling means. | 05-05-2016 |
20160123644 | DEMAND-RESPONSE SYSTEM - A demand-response system includes first and second aggregators and a power aggregator. The first aggregator performs demand-response-related control of a first heating device group including a heat pump device, and the second aggregator performs demand-response-related control of a second heating device group. The power aggregator sends a second power adjustment request to the first and second aggregators using a command being common to the first and second aggregators. In accordance with the second power adjustment request, the first aggregator performs demand-response-related control of the first heating device group using a first dedicated command, and the second aggregator performs demand-response-related control of the second heating device group using a second dedicated command that is different from the first dedicated command. | 05-05-2016 |
20160131403 | ELECTROMAGNETIC VALVE - An electromagnetic valve according to one embodiment includes a body having a lead-in port through which a refrigerant is led in, a lead-out port through which the refrigerant is led out, and a valve hole formed in a passage joining the lead-in port to the lead-out port, a main valve element that opens and closes a valve section by moving toward and away from the valve hole, and a solenoid that supplies a drive force in a direction of axis line to the valve element, the solenoid being mounted on the body. The main valve element has a pilot passage that is open to the valve hole and an orifice that throttles and expands the refrigerant led in from the lead-in port so as to be led out to the pilot passage, the orifice being so formed as to communicate between the lead-in port and the pilot passage. | 05-12-2016 |
20160138839 | INDOOR UNIT FOR AIR CONDITIONING DEVICE - An indoor heat exchanger has a first region including a first refrigerant path and a second region including a second refrigerant path. The first refrigerant path forms a full counter flow portion during a heating operation, and forms a full parallel flow portion during a cooling operation. The second region is configured so that air has a lower flow velocity in the second region than in the first region. During both the cooling and heating operations, the second refrigerant path forms both a partial parallel flow portion and a partial counter flow portion. | 05-19-2016 |
20160146478 | REFRIGERATION APPARATUS - Apparatus for the cooling of a process fluid. The apparatus comprises a process fluid circuit along which there are provided in succession a compressor, a condenser, a first throttling member and an evaporator which can effect heat exchange with a fluid requiring treatment, and a regulating device. The regulating device includes an inlet chamber and an outlet chamber, and a calibrated passage hole which provides further communication between the inlet chamber and the outlet chamber in addition to a main passage. | 05-26-2016 |
20160153687 | ADDITIVE HEAT UNIT FOR HVAC HEAT PUMP SYSTEM | 06-02-2016 |
20160159203 | VEHICLE AIR CONDITIONER - This vehicle air conditioner includes: a component temperature-adjustment path in which a coolant flows for performing a heat exchange with a vehicle component which needs a temperature adjustment; an engine coolant path in which an engine coolant guided from an engine cooling portion flows; a heater core. The vehicle air conditioner further includes: a first water-refrigerant heat exchanger which performs a heat exchange between a low-temperature and low-pressure refrigerant of a heat pump, the coolant fed to the component temperature-adjustment path, and the engine coolant; a second water-refrigerant heat exchanger which performs a heat exchange between a high-temperature and high-pressure refrigerant of the heat pump, and the engine coolant; and a first switch which can switch between a state where the engine coolant flows to the first water-refrigerant heat exchanger and a state where the refrigerant bypasses the first water-refrigerant heat exchanger. | 06-09-2016 |
20160161154 | AIR CONDITIONER OF VEHICLE - An air conditioner of a vehicle includes a cooling line forming a cooling path of air, having an evaporator disposed therein, and discharging cooled air. A heating line forms a heating path of air, has a condenser that is disposed in the heating path and is connected with the evaporator, and discharges heated air. | 06-09-2016 |
20160178249 | OUTDOOR DEVICE FOR AN AIR CONDITIONER | 06-23-2016 |
20160178250 | OUTDOOR DEVICE FOR AN AIR CONDITIONER | 06-23-2016 |
20160185186 | VEHICLE AIR CONDITIONER - There is disclosed a vehicle air conditioner in which a refrigerant subcool degree of a radiator to satisfy both a high pressure and a refrigerant flow rate during heating can appropriately be controlled to achieve improvement of a heating capability. The vehicle air conditioner comprises a compressor | 06-30-2016 |
20160375744 | AIR-CONDITIONING APPARATUS - An air-conditioning apparatus includes a heat exchange unit including a condenser that radiates heat of refrigerant discharged from a compressor, and an evaporator that expands the refrigerant flowing out of the condenser using an expanding device and then absorbs ambient heat into the evaporator, the condenser and the evaporator being connected to each other. According to operation mode, air to be supplied to a vehicle interior selectively exchanges heat with the condenser or the evaporator, or sequentially exchanges heat with the condenser and the evaporator. A subcooler that cools the refrigerant flowing out of the condenser before the refrigerant is expanded by the expanding device is provided. The subcooler is disposed at a position below the evaporator and to which condensed water flows down. | 12-29-2016 |
20170234582 | AIR-CONDITIONING APPARATUS | 08-17-2017 |
20180022189 | VEHICLE AIR-CONDITIONING DEVICE | 01-25-2018 |
20180022190 | VEHICLE AIR-CONDITIONING DEVICE | 01-25-2018 |