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JP01244250 |
PURPOSE: To secure a minimum level of cooling effect by the evaporator by avoiding the suspension of the cooling action by supplying the evaporator, through separate decompressors, with a cooling medium having a low boiling point which w...
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JP01212862 |
PURPOSE: To permit the efficient obtaining of high-temperature hot-water, by a method wherein the first refrigerating cycle of a low boiling point refrigerant is employed when a water temperature is low in a hot-water supplying system co...
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JP01212863 |
PURPOSE: To permit operation from a low temperature to a high temperature with a high result coefficient, by a method wherein a ratio between the low boiling point constituent and the high boiling point constituent of non-azeotropic mixt...
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JP01196471 |
PURPOSE: To transfer the waste heat of a condenser directly to an evaporator and permit the cooling of the condenser by the evaporator, by a method wherein heat exchange between the condenser of an air conditioner and the evaporator of a...
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JP01046541 |
PURPOSE: To eliminate the need of a wide installation place and the need of an auxiliary heat source by employing a CFC refrigerant as a heat medium and coupling the primary heat exchanger of each heat pump air conditioning unit as the s...
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JP01033473 |
PURPOSE: To improve reliability by connecting an intermediate point between a main decompression device and a passage resistance changing means and an intermediate point between the decompression device and a separator with a bypass line...
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JP63249065 |
PURPOSE: To reduce the running cost of the title apparatus and to enhance the safety thereof, by heating the heating medium of a low temp. tank using the emitting gas on the high temp. side of the two refrigerant cycle. CONSTITUTION: The...
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JP61089429 |
PURPOSE: To improve the safety of the titled device by a method wherein a composition is designed so that a heater is arranged in a low temperature room and the heater utilizes the one side evaporator of two refrigerating cycles connecte...
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JP61079924 |
PURPOSE: To save a space for an air conditioner, reduce a noise in it and to improve an efficiency of the air conditioner for a kitchen by a method wherein a refrigeration blower is commonly applied, an air conditioning unit and an outdo...
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JP60243383 |
PURPOSE: To increase refrigerating capacity by a method wherein oil for the compressor of low-temperature side refrigerating cycle is cooled by utilizing a heat pipe in order not to use condensed refrigerant. CONSTITUTION: The heat absor...
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JP60181587 |
PURPOSE: To improve the performance of an evaporating condenser remarkably by a method wherein the fluid of high-temperature cycle side is flowed down and evaporated at the outer surface of both surfaces fluted tubes by providing a liqui...
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JP54161145 |
PURPOSE: For very economical operation, to optimize the composition of the furan mixed refrigerant of at least three components at the final refrigerant evaporation temperatures of -70W100°C as well as the discharge pressure of a compre...
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JP54133652 |
PURPOSE: To widen the area of stable operation by giving adiabatic expansion to the liquid from an escape pipe provided at an expected interface between gas and liquid in an gas-liquid separator and conducting the generated cool gas into...
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JP54096853 |
PURPOSE: To economize capital and operating costs by optimal selection of the composition of furonic compound coolant, the delivery pressure of a compressor and outlet pressure of an expansion valve. CONSTITUTION: Furonic coolant is used...
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JP54031657 |
PURPOSE: To improve the performance coefficient of the whole refrigerator by setting up an supercooling and refrigerating circuit to cool the main refrigerating circuit supercooler.
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JP54026050 |
PURPOSE: To provide a cascade cooling and heating system which can operate heat source means while maintaining high coefficient of performance and can also save cooling and heating energies even in a largesized building by employing smal...
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JP54021658 |
PURPOSE: To protect a compressor at the low temp side, by stopping said compressor by rapidly sensing the overload condition of a refrigerating cycle at the low temp side, in a two-dimensional refrigerating cycle that operates a refriger...
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JP54014047 |
PURPOSE: To obtain more lfuidity of refrigerator oil by filling a refrigerator compressor with a specific refrigerant based on "Forn" family so as to keep it to be fluid in an evaporator and by mixing refrigerator oil with such refrigera...
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JP54005245 |
PURPOSE: To determie the composition of a replenished coolant, by calculating the composition of a cheap mixed coolant from the flow rate, temperature and pressure and comparing the composition with a prescribed value.
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JP53132841 |
PURPOSE: To provide an economical refrigerator with compact construction for obtaining cryogenic temperature by using two kinds of refrigerant which do not have any azeotropic point against a single refrigerant compressor.
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JP53124353 |
PURPOSE: A cooler capable of effectively cooling a compressor without reduction in quantity of the refrigerant used in a secondary refrigeration cycle, wherein the condensed refrigerant in a warmer-side primary refrigeration cycle is use...
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JP53069962 |
PURPOSE: A cooling system provided with mixed coolant cascade cycle whereby operating conditions commensurate to different refrigerating effects is obtainable by simple procedures in a cooling system using mixed coolant.
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JP53056753 |
PURPOSE: To obtain a required temperature by using a compressor and condenser applicable to a cooling medium of high evaporating temperature and making these magjines to perform a cooling oepration by a cooling medium of a low evaporatin...
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JP53055554 |
PURPOSE: To construct a refrigerating cycle of low temperature and ultra-low temperature by separating mixed refrigerants with different boiling points by the difference of evaporating temperatures after compression and condensation to u...
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JP53054351 |
PURPOSE: To lower the temperature of a refrigerating room to an ultra-low point by feeding, of the refrigerants having different condensation temperatures mixed with each other, the one condensing at a high temperature to a vaporizer in ...
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JP53054338 |
PURPOSE: To provide low temperature by separating gas-liquid of non-azeotropic mi mixture refrigerant with liquid refrigerant evaporated at condensing evaporator and gas refrigerant evaporated at refrigeration evaporator respectively.
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JP53045753 |
PURPOSE: To ensure a small size unit while effectively allowing the cooling of brine liquid, by forming an evaporator and an accumulator in a tiller unit consisting of a refrigeration circuit and a brine circuit in a unifying structure.
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JP53000462 |
PURPOSE: To improve the efficiency of operation of a cooling device as well as to miniaturize a heat exchanger by joining low temperature stream, obtained by adiabatic expansion, to returning refrigerant at the selected isothermal positi...
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JP52133153 |
PURPOSE: To obtain high temperature by relatively low pressure compressing refrigerant having large specific volume, using for a secondary heat pump cycle of double heat pump cycles using a cubical compressor.
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JP52056742 |
PURPOSE: To provide a cooling method and system characterized in that a first refrigerantion cycle comprising a direct expansion coil, and a second refrigeration cycle comprising a brine cooling coil.
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JP51138943 |
PURPOSE: A method of and device for driving a freezer effective to obviate the increasing of the pressure due to the retun of a freezing medium to its ordinary valve, in its cascade circle when the operation, and effective to be economic...
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JP51134379 |
PURPOSE: A distillation process using more than two kinds of heating media wherein the circulating cycles of the heating media are made into more than tow stages.
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