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JP4378900B2 |
To provide a heat pump type hot-water supplier capable of simultaneously supplying hot-water, having different temperatures, to a hot-water storage tank 6 and a floor heater 9. The heat pump type hot-water supplier is provided with a thr...
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JP4377695B2 |
A compact and efficient compressor is provided, based on using magnetic bearing technology, which can operate at high speed and comprises a reliable control system. The compressor of the present invention makes use of two separate compre...
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JP2009276039A |
To provide a refrigerating device preventing increase in a temperature difference between a refrigerant and water in a water heat exchanger and reducing a difference of performance between cooling operation and heating operation.The rela...
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JP2009275970A |
To provide a refrigerating apparatus capable of reducing the installation space of water heat exchangers while improving performance by reducing the pressure loss of a refrigerant in the water heat exchangers.The refrigerating apparatus ...
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JP2009257708A |
To improve a coefficient of performance as a whole by a simple and inexpensive configuration by considering pressure loss and distribution performance of a coolant in each of a plurality of plate heat exchangers.In the heat exchanger uni...
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JP4338690B2 |
There is disclosed a highly efficient cooling device which can reduce energy consumption, and the cooling device comprises: a refrigeration cycle circuit (10) including a compressor (2), a radiator (3A), an expansion valve (4) and an eva...
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JP2009216332A |
To provide a precision air conditioner capable of precisely and instantaneously carrying out temperature control in regard to a precision air conditioner delivering air at a certain temperature, certain humidity, and a certain capacity.T...
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JP4323307B2 |
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JP2009190579A |
To provide an air conditioning system driving a heat pump type cooling device even when the outside temperature is very low, and heating.The air conditioning system includes the heat pump type cooling device A and a circulation device B ...
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JP4319958B2 |
To solve the problems in the conventional distilled water production method utilizing a compression refrigeration cycle, e.g., that, for producing distilled water from raw water, a large quantity of heat energy has been fed, and also, co...
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JP4317793B2 |
To carry out effective utilization of energy by concurrently or selectively supplying steam and hot water by using condensation exhaust heat recovered from a condensing unit as a heat source, to use a compressor and a cooling tower of sm...
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JP4310341B2 |
A galley chiller system for an aircraft includes at least one condenser having a refrigerant fluid. The fluid within the condenser rejects heat to a first surrounding environment. To more efficiently use the condenser of the galley chill...
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JP4302874B2 |
When a heating cycle is created, the degrees of opening of flow adjusting valves (11), (21) and (31) are controlled in accordance with the degree of superheat in the outdoor heat exchanger (5). When a discharge refrigerant temperature (T...
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JP4297250B2 |
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JP2009150563A |
To provide an air conditioner for performing humidification without supplying water by releasing indoors the moisture included in the outdoor air.This air conditioner includes an introduction means for introducing the outdoor air into an...
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JP2009138963A |
To provide a cooling device capable of reducing ice making costs by reducing usage of tap water while reducing a discharge amount of exhaust heat hot air.A break contact 54 is closed in a state that a speed reduction switch 43 is OFF. He...
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JP2009139037A |
To provide a refrigerant circuit capable of holding a surplus refrigerant amount in a refrigerant circuit of a supercritical cycle using carbon dioxide as a refrigerant.The refrigerant circuit 10 of the supercritical cycle using carbon d...
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JP4279725B2 |
To prevent deterioration of efficiency of a heat pump unit by providing a bypass valve capable of changing warm water bypass quantity in a bypass passage, and opening the bypass valve when necessary, and closing it when unnecessary. This...
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JP4277373B2 |
A heat pump cycle system which can switches cooling operation and heating operation for a compartment includes a first inside heat exchanger and a second inside heat exchanger disposed in an air conditioning case. The first inside heat e...
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JP4274123B2 |
The present invention stably controls the refrigerant pressure in a refrigeration device having a vapor compression type of refrigerant circuit, when refrigerant compressed in the compressor is sent to the user side heat exchangers. An a...
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JP4270859B2 |
To provide a heat pump type air conditioner capable of preventing an outdoor heat exchanger from being frozen in heating operation and, when the heating operation is performed in the frozen state of the outdoor heat exchanger, releasing ...
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JP4266903B2 |
There are disclosed a heat pump device and a drying machine using the device in which abnormal water supplying into a water-cooling heat exchanger for use in water-cooling of a heat pump can be easily detected without disposing any water...
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JP2009097750A |
To provide a temperature adjustment device capable of shortening the time to reach a set temperature and reducing waste consumption of energy when the set temperature of fluid as a target of temperature adjustment is largely changed.This...
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JP2009092321A |
To suppress a cost increase and an enlargement of the device by performing simultaneous operation of cooling and hot water supply without newly installing an indoor heat exchanger for cooling.This refrigerating cycle device is provided w...
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JP2009063247A |
To provide a highly efficient refrigerating cycle in a refrigerating cycle provided with an expansion/compression system converting energy of an expansion process of a working fluid into mechanical energy to carry out operation of one pa...
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JP2009052869A |
To provide a temperature control device for accurately and easily controlling the temperature of cooling water while continuously operating a compressor even in the state that an inverter keeps the rotating speed of the compressor as pre...
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JP4233529B2 |
To reduce the volume of a heat exchanger installed inside an engine room in a cooling device for a hybrid vehicle. A cooler for air conditioning is composed of an air cooling condenser 13 heat-changing between a cooling medium 103 and a ...
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JP2009040407A |
To guarantee sufficient refrigerating capacity of an air-conditioning unit for a motor vehicle in every vehicle operational state with the labor as low as possible when the vehicle is stopped and/or the ambient temperature is high.An air...
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JP2009041829A |
To provide an air conditioner capable of maintaining the optimal supercooling operation status.The air conditioner is composed of an outdoor machine 16 and an indoor machine 22. The outdoor machine 16 comprises a compressor 1, an outdoor...
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JP4228976B2 |
To provide heat pump water heater having a reduced size, improved performance, low cost and good user-friendliness by improving the storage and maintenance properties of structural components. The heat pump water heater comprises a refri...
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JP4226284B2 |
To provide an air conditioner for assuring the sufficient heating performance by reducing the loss in heat radiation and improving the economical efficiency and amenity without giving the sense of discomfort, by combing the air condition...
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JP2009030835A |
To provide a cooling/heating device free from problems in a heat exchanger for hot water connected with a refrigerant circuit and its peripheral components.A communicating refrigerant circuit L3 directly connecting a compressor 51 and a ...
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JP2009030852A |
To provide an air conditioner capable of suppressing frost formation on an outdoor heat exchanger to prevent the deterioration of a heating capacity by frost formation even in an operation condition of a low outside air temperatures and ...
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JP2009024884A |
To suppress heat transfer from a high-temperature refrigerant to a low-temperature refrigerant through a fin in a radiator and to improve refrigerating efficiency, in a refrigerating cycle device using a refrigerant brought into a superc...
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JP4215699B2 |
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JP4213535B2 |
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JP2009008383A |
To provide a CO2 heat pump system and its manufacturing method without causing the practical problem such as requiring a valve capable of coping with high pressure CO2, an accumulator of a proper size and a system inside heat exchanger e...
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JP4206870B2 |
To regulate the temperature and humidity of supply air to desired values by switching an operation mode according to the purpose, and hold a required refrigerant volume constant irrespective of the magnitude of a reheating value. A refri...
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JP2008309361A |
To improve the heat transferring performance of a radiator in a refrigerating cycle device using a refrigerant which brings about a supercritical state and oil having poor compatibility.This refrigerating cycle device 20 comprises a refr...
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JP4201694B2 |
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JP4196681B2 |
To provide a refrigeration cycle controlling device capable of reducing compressor power (electric power) in a state that heating power is excessive even when a rotating speed Nc of a compressor 21 has the minimum rotating frequency. In ...
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JP2008298406A |
To provide a multiple heat pump-type steam-hot water generation device capable of recovering condensation heat of a refrigerating device which has been discharged and disposed to the external, without effectively utilizing the condensati...
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JP2008275214A |
To provide a compression type heat pump device capable of reducing drilling costs to utilize underground heat while improving COP by utilizing the underground heat.This compression type heat pump device is provided with a refrigerant cir...
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JP4178437B2 |
To solve problems in the conventional art in which an apparatus for freezing/refrigerating foods and an air conditioner for the inside of a shop are separately controlled, and a collection of heat from heat dispersion from a condenser of...
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JP2008267694A |
To solve the problem wherein, in the case of a heating and cooling refrigerating cycle, a means for switching the flow of a refrigerant such as a four-way valve is required on upstream of an expander, and in the case of structure indicat...
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JP2008256282A |
To improve operation efficiency by enlarging a temperature difference between water and a refrigerant in a water heat exchanger.The heat pump type water heater is provided with a refrigerating cycle constituted by successively connecting...
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JP2008256281A |
To increase temperature rise of water in a delivery gas region of a refrigerant delivered from a compressor, to lower a condensation temperature correspondingly, and thereby, to achieve efficient operation.The heat pump type water heater...
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JP2008241118A |
To provide an ice making system effectively utilizing ice to be discarded for saving energy.The ice making system 1 comprises an ice making device 2. The ice making device 2 consists of a heat source unit 20, a water heat-exchanger 21 fo...
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JP4155335B2 |
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JP4151625B2 |
To solve the following problems; sufficient heat exchange performance can not be exercised in the case that wind speed distribution of wind passing an outdoor side heat exchanger is uneven or balance of refrigerant flow rate in a refrige...
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