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JP3112003 |
To enable continuation of refrigerating operation even when a heat source device happens to stop in a refrigerating system of a dual refrigerating cycle applied for a showcase or the like. This refrigerating system has a first refrigerat...
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JP2000249413 |
To contribute to the prevention of the warming of the earth's atmosphere without impairing energy saving performance and safety by using R 32. A refrigerant of a refrigerant circuit 20 is made up of a single refrigerant of R32 or a mixed...
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JP2000241034 |
To prevent leakage of condensate produced from the low temperature refrigerant piping of a secondary refrigerant circuit. Primary and secondary refrigerant circuits 30, 40 transmit and receive heat through a refrigerant heat exchanger 50...
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JP2000234813 |
To provide a refrigerating device that has at least two evaporation temperature zones simultaneously, prevents failure from occurring easily due to the difference in the amount of sealed refrigerant by making constant the amount of refri...
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JP2000205672 |
To improve the response of a temperature control in a refrigerating system in which a plurality of cold storage units are connected to a heat source unit. A high temperature side refrigerant circuit 77 and a plurality of low temperature ...
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JP3092602 |
To suitably control an operation of a high stage side refrigerant circuit according to a low stage side refrigerant circuit by providing a compressor, an air heat exchanger, a passage opening/closing valve and the like to the high stage ...
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JP2000205708 |
To suppress increase in power consumption and the enlargement of the device by providing a plurality of using side heat-exchangers on a low temperature side refrigerant circuit, and in the meantime, providing control means which perform ...
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JP3092601 |
To control the pressure of high-pressure refrigerant upon defrosting operation so as to be the optimum value. A two-stage cascade refrigerating device is provided with a high-temperature side refrigerating circuit constituted of a compre...
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JP2000205665 |
To achieve a higher operation efficiency and an inhibition of power consumption and increase in the rated capacity of the system itself by enhancing a cooling capacity while suppressing increase in input power. A controller 7a is provide...
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JP2000193331 |
To maintain the quality of goods by enabling continuation of refrigerating operation even when a device on the side of the heat source happens to stop while improving heat efficiency. In this system, a liquid pipe 71 is connected to a he...
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JP2000193330 |
To enable continuation of refrigerating operation even when a heat source device happens to stop in a refrigerating system of a dual refrigerating cycle applied for a showcase or the like. This refrigerating system has a first refrigerat...
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JP2000193339 |
To enable continuation of refrigerating operation even when a heat source device happens to stop in a refrigerating system of a dual refrigerating cycle applied for a showcase. This refrigerating system uses a first refrigerating circuit...
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JP2000180048 |
To provide a method and a device for liquefying gas which is simple and requires only small installation area and is suitable especially for a boat, a lighter, or an offshore platform facility.This is a method and a device for liquefacti...
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JP2000130895 |
To perform defrost surely in a cooler for refrigerator by melting dews completely while eliminating useless defrost operation. A primary refrigerating circuit is provided with two refrigerant heat exchangers 11 through which the primary ...
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JP2000121182 |
To obtain a binary chiller having a plurality of secondary refrigerant circuits in which stabilized operation is ensured even upon when a part of secondary refrigerant circuits is stopped.A primary refrigerating circuit 20 is coupled wit...
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JP2000121181 |
To suitably control an operation of a high stage side refrigerant circuit according to a low stage side refrigerant circuit by providing a compressor, an air heat exchanger, a passage opening/closing valve and the like to the high stage ...
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JP3060035 |
PURPOSE: To provide a receiving circuit which does not affect a line on communication at the time of the extension of a terminal equipment, etc., in a transmission system superimposing/sending DC to a communication line and feeding the t...
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JP2000121183 |
To suppress excessive pressure rise of high pressure refrigerant while preventing compression of liquid without providing any bypath.A compressor, a condenser, a expansion valve and the evaporating section of a refrigerant heat exchanger...
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JP2000111214 |
To perform the defrosting of an in-warehouse heat exchanger surely within a certain time throughout the year, in a freezer which cools the interior of a warehouse.A primary freezing circuit 20 is provided with two refrigerant heat exchan...
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JP2000105047 |
To provide a structure in which a protruding section of a heat insulating part thermally insulating a cascade condensor installed at near surface of a cryogenic freezer can be temporarily eliminated so as not to become a hindrance in the...
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JP2000105030 |
To control liquid refrigerant so as to have the optimum value upon defrosting operation.A primary side refrigerant circuit 20 and a first low-temperature side refrigerating circuit are constituted so that the refrigerant circulating dire...
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JP2000105011 |
To reduce the number of times of startup of equipment for dual refrigeration and thereby to improve reliability.Two refrigerant heat exchangers 11 are provided for a primary- side refrigerating circuit, and the primary-side refrigerating...
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JP2000105012 |
To improve an operating efficiency by increasing the following property of operation through cascade condenser in a high stage side refrigerant circuit with respect to a low stage side refrigerant circuit, in two dimensional refrigeratin...
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JP2000105029 |
To control the pressure of high-pressure refrigerant upon defrosting operation so as to be the optimum value.A two-stage cascade refrigerating device is provided with a high-temperature side refrigerating circuit constituted of a compres...
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JP2000074514 |
To provide a battery type air conditioner which can cope with the need of the increase of its capacity or the enlargement of the air conditioner in response to an increased or added cooling load, can reduce the day-time power consumption...
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JP2000065431 |
To contrive downsizing of a refrigerating cycle apparatus wherein a combustible and poisonous refrigerant as a primary refrigerant and another secondary refrigerant are used. The refrigerating cycle apparatus comprises a primary refriger...
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JP2000046447 |
To avoid positively a severe frosted state where an amount of frosting to an evaporator becomes excessive and improve reliability in operation of a refrigeration device. A high temperature side refrigeration circuit and a low temperature...
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JP2000046419 |
To improve reliability of a compressor by securely preventing bad lubrication in a compressor. A high temperature side refrigerating circuit 20 and a low temperature side refrigerating circuit are connected with each other through a refr...
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JP3031115 |
PURPOSE: To smoothly supply toner even when the toner in a toner case becomes a block state because of moisture absorption by rotating an inside stirring member interlocked with operation for attaching the toner case. CONSTITUTION: A 2nd...
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JP2000039230 |
To satisfy requirement for heating and cooling in any conditions by a single refrigerating system in a refrigerating apparatus conducting a cascade refrigerating cycle. The refrigerating apparatus is provided with a heat source-side refr...
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JP2000039223 |
To provide a multizone cooling and heating air conditioner for not only suppressing frosting unevenly on a heat transfer tube but also preventing excess frosting by maintaining a pressure drop of refrigerant passing a first outdoor heat ...
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JP2000035262 |
To securely achieve starting by preventing a liquid refrigerant from flowing into a condensation section of a refrigerant heat exchanger from a receiver upon interruption. A binary freezing apparatus is constructed by connecting a high t...
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JP3021824 |
PURPOSE: To rapidly take out sorted unpolished rice while preventing the mixing rice hulls with unpolished rice at the start time of the sorting of a shaking sorter by narrowing the unpolished rice partitioning width of an unpolished ric...
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JP11294881 |
To achieve a miniaturization of an evaporator along with the the expansion of a cooling capacity. A high temperature side refrigerating circuit comprises a compressor, a condenser, an electric expansion valve and an evaporation part of t...
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JP11294907 |
To restrict the complication of a circuitry by simplifying the control of a high pressure refrigerant pressure and the sampling control of a gas refrigerant. A high temperature side refrigerating circuit 20 comprises a compressor 21, a c...
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JP2983969 |
To obtain a compsn. which has a sufficient refrigerant capability by mixing an azeotropic mixture of chlorodifluoromethane and octafluoropropane with n-pentane in a specified amt. based on the amt. of the azeotropic mixture. This compsn....
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JP11201569 |
To raise the running cost, for a refrigerating machine which performs the so-called plural refrigeration cycles. As a refrigerating system for a supermarket, a plurality of units 10, 20, and 30 on use side are connected in parallel to on...
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JP11182953 |
To improve the effectiveness of energy without making a refrigerator larger in scale and increasing the production cost in such a refrigerator as to utilize two-dimensional refrigerating cycle. This refrigerator utilizing dual refrigerat...
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JP11173711 |
To complete the defrosting at a high defrosting power of a coolant for a short time, without using electric heaters. The refrigerator having a high- and low-temp. side refrigeration cycles A, B. The high-temp. side refrigeration unit A i...
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JP11173725 |
To contrive the effective use of the dead space within an arrangement room in a showcase refrigerator using binary freezing cycles. This is a refrigerator for showcase being equipped with a outdoor unit 1 which has a compressor 5 for a p...
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JP11173726 |
To dissolve the cooling of customer's sheet in front of a showcase by simple means. A refrigerator for a showcase, which performs the cooling o a showcase 4 by cold wind W cooled with an evaporator 12 or a secondary refrigerant, being eq...
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JP11173739 |
To prevent condensation by effectively utilizing heat being retained by a refrigerant. In a freezing device for a showcase, high- and low-temperature- side refrigeration cycles A and B are provided and an evaporator 12 for a secondary re...
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JP11173683 |
To provide an apparatus which enables the generation of a cryogenic temperature area while allowing a lower cost and a smaller size without depending on a refrigerant used. In a first circuit, a gaseous phase refrigerant discharged from ...
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JP11158460 |
To obtain a compsn. which has a sufficient refrigerant capability by mixing an azeotropic mixture of chlorodifluoromethane and octafluoropropane with n-pentane in a specified amt. based on the amt. of the azeotropic mixture. This compsn....
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JP11158461 |
To obtain a refrigerant compsn. with a very low ozone depletion potential by using an azeotropic mixture of trifluoromethane and hexafluoroethane. This azeotropic mixture, though poor in compatibility with an oil, can give a refrigerant ...
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JP11108397 |
To achieve a proper switching operation of a four-way selector valve without requiring a command signal for controlling each circuit for a secondary refrigerant system having a heat source side circuit and a use side circuit. The use sid...
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JP11101523 |
To increase a system structure, easily meet lubricating oil and simplify an operation control. A primary side circuit 20 in which a primary side refrigerant as a heat source and a secondary side circuit 30 in which a secondary side refri...
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JP11063696 |
To provide a dual refrigeration cycle which enables stable operation constantly against any change in load while allowing miniaturization as a whole. A half-closed type screw double stage compressor 1 which is provided with a continuous ...
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JP11030599 |
To provide a heat accumulation quantity measuring method that can easily know the heat accumulation quantity in a lower-dimensional evaporator and two-dimensional cooling facilities that use carbon dioxide as a cooling medium in a lower-...
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JP11014172 |
To store heat by nighttime power by providing low-temperature side evaporator with a tank structure and carbon dioxide that is used as the low- temperature side refrigerant and is stored in the mixed state between dry ice and a liquid in...
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