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JPH04222355A |
PURPOSE: To improve capacity upon pull-down by a method wherein a binnary refrigerating device for cooling brine is permitted to be used as an one-way refrigerating equipment and the binnary refrigerating equipment. CONSTITUTION: A secon...
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JPH0446343B2 |
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JPH04203768A |
PURPOSE: To perform a superior returning of discharged oil of a freezer to a compressor by a method wherein CFC-R23 is used as refrigerant for freezing cycle at a low temperature side of two-refrigerant freezer and refrigerant sucked int...
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JPH04198670A |
PURPOSE: To permit energy saving without necessitating excessive plant investment, a broad installation area and the like by cooling fluid, whose purpose is to be cooled, by a binary refrigerating device, whose high--temperature side is ...
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JPH0429338Y2 |
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JPH04186064A |
PURPOSE: To make energy saving possible by a method wherein a plurality of temperature type expansion valves which correspond with different refrigerating capacities are provided at high temperature sides and low temperature sides for ea...
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JPH04165275A |
PURPOSE: To charge a refrigerant rapidly by forming an inspection window capable of seeing through the state of the refrigerant in a duct connecting the equipment of a low-temperature side refrigerating cycle from the outside to the duct...
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JPH0434064B2 |
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JPH0461263U |
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JPH04148160A |
PURPOSE: To vary cooling capacity without reducing the efficiency of energy corresponding to a load in a low temperature environment by employing capacity variable compressors at high and low temperature sides of a binary refrigerating c...
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JPH04143559A |
PURPOSE: To obtain a high temperature in a high efficiency in response to weather conditions by operating a second refrigerating cycle together with a first refrigerating cycle, and using heat dissipated from the second cycle as a heat s...
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JPH0457165U |
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JPH04131660A |
PURPOSE: To easily perform secondary refrigerant sealing work and to suppress a discharge amount at the time of altering piping by coupling a secondary refrigerant containing tank to a secondary refrigerant tube provided between an evapo...
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JPH0425463B2 |
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JPH0413525Y2 |
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JPH0410522Y2 |
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JPH0464868A |
PURPOSE: To permit efficient and safe operation under the condition of wide temperature range by a method wherein high bolding point refrigerant is circulated to reduce a pressure in a condenser in refrigerating cycle for heating or low ...
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JPH0460367A |
PURPOSE: To extend the range in which the temperature of a cooled body can be set by a method wherein between the last stage of a refrigerant line for a refrigerant with the lowest boiling point and a cooled body, a plurality of secondar...
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JPH0460350A |
PURPOSE: To keep a high coefficient of performance by a method wherein the first freezing cycle, the second freezing cycle, a top part of a purifying and separating device are connected to a refrigerant storing device and the refrigerant...
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JPH0460368A |
PURPOSE: To extend the range in which the temperature of a cooled body can be set by a method wherein two secondary refrigerant circulating lines are provided, one between a cooled body and a refrigerant line specifically at the section ...
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JPH049979B2 |
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JPH0432662A |
PURPOSE: To prevent the deterioration of a lubricating oil and a refrigerant, by a method wherein in a high temperature-refrigeration circuit, a refrigerant suction pipe line from a cascade condenser is connected to the suction port of a...
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JPH0428967A |
PURPOSE: To prevent a reduction of a circulating amount of a low boiling point refrigerant during a cooling operation under an on-off operation of a condensor and prevent an on-operating time from being extended by a method wherein a val...
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JPH0420753A |
PURPOSE: To enable refrigerants R22 and R134a or the like having a relative high standard boiling point other than R13 and R23 having a temperature near a standard boiling point to be utilized by a method wherein mixed substances of refr...
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JPH0413054A |
PURPOSE: To reduce energy and prevent the generation of troubles which may lead to the shutdown of cooling operation by installing an operation mode setting means which selects between liquid excess cooling operation/cold storage condens...
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JPH0381071B2 |
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JPH03282160A |
PURPOSE: To enable a temperature of cryogenic refrigerant to be adjusted by a simple means by a method wherein a capillary tube is applied in an intermediate pressure reducing device, a heater for heating the fine pipe and the heater is ...
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JPH03263556A |
PURPOSE: To maintain the heat-exchanging capacity of a condenser of a low temperature side refrigerating cycle at a constant level by providing a delay device by which a compressor in the low temperature side refrigerating cycle is start...
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JPH03263555A |
PURPOSE: To make an expansion tank on a low pressure pipe of a low temperature side refrigerating cycle small in size by a method wherein a bypass pipe leading to a high pressure side pipe is connected to the expansion tank, and a contro...
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JPH03263553A |
PURPOSE: To prevent a reduction in the refrigerant performance by a method wherein a built-in compressor and/or a built-in condenser of a high temperature side refrigerating cycle are included in a high temperature side unit, and a built...
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JPH03260543A |
PURPOSE: To improve a result coefficient and to reduce in size a heat source side compressor by operating a heat pump cycle with the atmosphere as a heat source by using a heat source side refrigerant circuit to generate a heat source of...
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JPH03255856A |
PURPOSE: To extend a temperature control range of a cooling object without affecting a refrigeration cycle to a great extent by installing a bypass circuit and a bypass valve to a line which transfers refrigerant or second refrigerant to...
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JPH0371624B2 |
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JPH03247963A |
PURPOSE: To start or stop supply of low temperature refrigerant to a vaporizer by a simple means by using a capillary tube as a pressure reducing device for reducing pressure of refrigerant to be sent which enters the vaporizer and provi...
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JPH0360035B2 |
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JPH0343546Y2 |
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JPH0350946B2 |
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JPH03158660A |
PURPOSE: To simplify a structure and to prevent abnormal rise of high pressure by connecting one of a connection port of an expansion tank to the suction tube of a compressor through a capillary tube and the other to the discharge side o...
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JPH03158659A |
PURPOSE: To efficiently cool and to obtain cryogenic temperature by sealing mixture refrigerant of a plurality of types having different boiling temperatures, separating it from a high boiling point refrigerant sequentially to liquid ref...
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JPH03144259A |
PURPOSE: To improve a total coefficient of performance and enable an energy saving in a two-element freezer to be attained by a method wherein a double-stage compressor is applied in a compressor at a high temperature and a piston discha...
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JPH0327249Y2 |
An air conditioner includes a first refrigeration cycle with a capacity-variable type compressor, and a second refrigeration cycle with a constant rotation type compressor, both refrigeration cycles having outdoor heat exchangers while u...
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JPH0331115B2 |
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JPH0347220U |
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JPH0321824B2 |
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JPH0311632Y2 |
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JPH0336467A |
PURPOSE: To obviate the raising pressures of a vapor compressor and a condenser even if refrigerant and water are used without deterioration of refrigerant by connecting in series a low stage side heat pump connected by a refrigerant pas...
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JPH0316649A |
PURPOSE: To easily create a wide range of temps. by connecting the expansion mechanism in the cooling unit of the final stage to a refrigerant outlet side of one flow passage of an intermediate heat exchanger in the cooling unit of the f...
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JPH0257235B2 |
For a given temperature differential between a refrigerated heat sink and frontal cryopanel array, the mass of the entire cryopump array is minimized by providing thermal struts between the heat sink and the frontal array. The thermal st...
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JPH0251109B2 |
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JPH0251110B2 |
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