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JP3233799B2 |
PURPOSE: To prevent overheating of a refrigerant compressor when the operation of an air cooled type refrigerant condenser is stopped in order to operate a water cooled type refrigerant condenser in a cooler provided with the air cooled ...
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JP3228135B2 |
To suppress the rise of high pressure without fail by getting the differential pressure between the upstream end and the downstream end of an auxiliary line, to a freezer equipped pith an auxiliary heat exchanger for suppressing the rise...
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JP3218289B2 |
To efficiently condense a high-temperature and high-pressure gas refrigerant by providing a wall for forming a step between a sectional area decrease part and the refrigerant passage part of a condenser being located at the upstream. An ...
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JP3219429B2 |
PURPOSE: To reduce the number of the pipings that span a heat exchange chamber and machine room and reduce the number of the parts and, at the same time, reduce the amount of piping work. CONSTITUTION: In a refrigerator unit a compressor...
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JP2001280732A |
To provide an air-conditioner which is improved especially in cooling capacity by annexing an auxiliary heat-exchanger to an outdoor heat-exchanger. An auxiliary heat-exchanger 6 and a first on-off valve 7 are interconnected in series, i...
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JP3214151B2 |
PURPOSE: To improve dehumidifying and heating capacity while saving the energy by a method wherein a refrigerant discharged by a compressor is supplied to a second compressor provided in a blowing duct to radiate heat and to be condensed...
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JP3190397B2 |
PURPOSE: To lower condensation capacity, to increase high pressure and to augment the quantity of a refrigerant circulated when high pressure reaches a fixed value or less by closing a solenoid valve when the detecting pressure of a pres...
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JP2001174084A |
To prevent the abnormal high-pressure rising of a refrigeration cycle that is generated when the performance of a condenser is deteriorated in an air-conditioner.Other than a heat exchanger being set to the condenser of an outdoor unit, ...
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JP2001153491A |
To provide a motor operated selector valve used in refrigerating cycle equipment for a refrigerator, or the like, so as to attain both high performance and energy saving of the refrigerator in a higher degree.A valve housing which has a ...
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JP2001153492A |
To provide a motor operated selector valve used in refrigerating cycle equipment so as to attain high performance and energy saving of a refrigerator and a freezer-refrigerator.A valve disk 25 for a second port, a positive-side valve dis...
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JP2001147052A |
To improve heat-exchanging performance and comfortableness of an air conditioner by controlling the degree of superheating of a refrigerant to a set target value at cooling time and the degree of supercooling of the refrigerant to a set ...
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JP3148706B2 |
To eliminate direct relation between a floor heating temperature and a refrigerant supplying capacity of a compressor, by a method wherein a water heating device is arrayed in parallel to a utilizer side heat exchanger to obtain hot-wate...
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JP3140333B2 |
To improve a coefficient of performance through a changing-over of an order in flowing by a method wherein double evaporates oprationfor a heat exchanger for gas and another heat exchanger for liquid are performed in a first circulating ...
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JP3140331B2 |
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JP2001004175A |
To realize a rapid start-up at the time of starting up during a heating, and to timely supply moisture as a heat storage agent by utilizing a nigh power.A compressor 1 is driven by a night power, high temperature high pressure refrigeran...
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JP2000356481A |
To provide a heat exchanger having high heat exchanging efficiency and small size for its heat exchanging quantity, a compact heat pump and a dehumidifier arranged compactly.The heat exchanger comprises a first section 310 for supplying ...
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JP2000346475A |
To provide an air-cooled two-stage radiant condenser structure of an air conditioning refrigerating outdoor unit for cooling a condenser tube by an exhaust heat rotary fan for radiating a radiant heat by a radiant fan.An exhaust port 11 ...
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JP2000304364A |
To optimize the energy consumption of a refrigeration system as compared with a conventional system. The refrigeration system is provided with a main section and an auxiliary section. The main section is provided with at least one main c...
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JP3098889B2 |
PURPOSE: To provide a refrigerator capable of leveling power demand by storing electric power at night and shifting the night power to daytime service. CONSTITUTION: This refrigerator comprises coolers 8 connected in parallel or in serie...
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JP2000249366A |
To provide a heat pump, a dehumidifier/air conditioner and a dehumidifying method having high COP. The heat pump comprises a refrigerant compressor 260, a first heat exchanger 220 for robbing heat from a compressed refrigerant through a ...
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JP3083959B2 |
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JP2000227261A |
To provide an air conditioner in which the highly efficient performance of a heat exchanger is obtained by providing an auxiliary heat exchanger connected between a first expansion mechanism and a second expansion mechanism and a control...
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JP2000205673A |
To provide a refrigeration cycle of air conditioning equipment which can improve performance during the cooling operation without lowering heating performance. In a refrigeration cycle of air conditioning equipment which comprises a comp...
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JP2000161796A |
To resolve a problem that a heating capacity becomes insufficient since operating fluid in a heating circuit is discharged into a cooling circuit to restrain an abnormal high-pressure condition upon heating or another problem that the op...
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JP3051420B2 |
Disclosed is an air conditioner and, in particular, an air conditioner which is capable of blowing out warm air in heating mode. In the air conditioner of this invention, the condenser is thermally separated into an air-upstream-side and...
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JP2000154942A |
To prevent a gas-liquid two phase refrigerant from flowing into a pressure reducing device and obtain high temperature hot water.When high temperature hot water is supplied, heat exchange is effected between a high pressure refrigerant f...
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JP3047788B2 |
To enable a heat exchanging capability to be controlled by an auxiliary heat exchanger and further to enable the heat exchanging capability to be controlled in a multi-state manner even if a specified speed type compressor is operated. A...
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JP2000111184A |
To improve a cooling capability by lowering an inlet temperature of a liquefied refrigerant to be supplied to a pressure reducing means.A discharge tube 46 guided from a compressor CM is connected to a primary condensing unit 48a of an a...
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JP2000039218A |
To supply hot water simultaneously with supply of cooling air by a method wherein a refrigerant route running through a first condenser using an electric blower and a second refrigerant route being a refrigerant route running through a s...
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JP2000018738A |
To appropriately adjust a condensation pressure. This refrigeration device is provided with a circulation channel I of a closed refrigerant including first and second compressors 1 and 2 being arranged in parallel, an oil separation coll...
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JP2999763B2 |
A multi-type air conditioner. It includes: a first air cooling cycle with a first compressor, condenser, and pressure reduction device and a first evaporator connected consecutively to cool the air in the first room; a second air cooling...
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JPH11351685A |
To provide a cooling system having an excellent economy field in the system of a clean room, a computer room or the like required for cooling at a predetermined room temperature year-round. The cooling system 10 comprises an air-cooled c...
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JP2989485B2 |
PURPOSE: To raise coefficient of performance of heat pump operation. CONSTITUTION: A discharged heat-storing process executing a cold heat- generating operation by a heat pump operation, while storage of a discharged hot heat, as a holdi...
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JP2985759B2 |
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JP2979926B2 |
PURPOSE: To prevent a decrease in heating capacity at the time of a low atmospheric temperature even with non-azeotrope refrigerant by disposing part of a first refrigerant channel group at a windward side, setting a channel sectional ar...
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JP2979802B2 |
PURPOSE: To restrain the rise of the refrigerant discharge temperature of a refrigerant compressor and make small the capacity of a refrigerant container that stores a surplus refrigerant, in an air conditioner that conducts at least one...
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JP2971223B2 |
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JP2971222B2 |
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JP2968392B2 |
PURPOSE: To provide a stable operation of an air conditioner in which a capability of a heating indoor unit in the air conditioner having one outdoor unit and a plurality of indoor units is assured, a cooling operation of the air conditi...
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JP2956584B2 |
To provide a heat recovery type air conditioner, capable of improving the performance coefficient of a refrigerating cycle by increasing the degree of supercooling of liquid refrigerant while maintaining the capacity of hot-water supplyi...
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JPH11254956A |
To provide a vehicular air-conditioning device which circulates a refrigerant through an evaporator and a subcondenser within a cabin of a vehicle, bypassing a main condenser outside the cabin during a heating operation for dehumidificat...
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JP2938762B2 |
PURPOSE: To raise coefficient of performance of heat pump operation. CONSTITUTION: In a heat pump device wherein, a condenser 12 for air which radiates heat to supplyed air A, and a condenser 11 for liquid which radiates heat to liquid L...
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JP2936936B2 |
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JP2936960B2 |
A heat pump type air conditioner for an automotive vehicle includes a vapor-compression refrigeration system which is provided with a compressor. An outer condenser and an inner condenser are serially connected to the compressor through ...
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JP2924460B2 |
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JPH11190561A |
To reduce the deterioration of the energy efficiency of a refrigerating system composed essentially of a compressor, refrigerant condensers, an expanding means, and a refrigerant evaporator by operating the system in such a state that th...
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JPH11173703A |
To provide an air conditioner enabling a safe and low-cost floor heating by forming a floor warming mat like one sheet and adapting the refrigerant feed rate required for this mat to the refrigerant feed power of a compressor. An indoor ...
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JP2889762B2 |
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JPH11101518A |
To effectively use exhaust heat during a cooling operation in an air heat source by switching the heat source to air and water. In the outdoor machine 30 side of a heat pump type air conditioner, a heat exchanging coil 31 for an air heat...
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JP2878774B2 |
PURPOSE:To enhance the heat-exchanging efficiency and prevent corrosion of fins constituting a heat exchanger by a construction wherein an air cooling type heat exchanger communicates with the discharge side of a compressor constituting ...
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