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JP2002295913 |
To provide a refrigerant gas encapsulating apparatus in a freezer wherein a first sealing screw 9 in a gas charge port 7 for encapsulating high pressure refrigerant gas is prevented from loosing, and even if any vibration force acts on a...
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JP3354124 |
To obtain a system for flushing the system of a refrigeration cycle with detergent in which refrigerating machine oil and foreign matters in the system are removed effectively and the detergent is regenerated and recovered. A pipe 3 for ...
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JP2002277114 |
To shorten the time required for recovering mineral oil remaining in the existing piping used in a freezer/air conditioner employing CFC or HCFC based refrigerant when the existing piping is used in a freezer/air conditioner employing HF...
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JP2002276834 |
To provide a valve structure capable of sufficiently removing a coolant from a coolant piping prior to a disassembling.In Fig. (a), a tip end fitting 42 of a coolant suction hose 41 is pushed from one end of a valve rod 18. A service val...
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JP2002277111 |
To obtain a refrigerant recovery unit applicable commonly to machines employing different kinds of refrigerating machine oil in which refrigerant is fed to the refrigerant recovery unit utilizing the compressor in the outdoor unit of an ...
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JP2002277112 |
To provide an inexpensive and portable refrigerant recovery unit having a compact structure in which operation is facilitated and the cost for recovering CFC is lowered.CFC gas is sucked by means of a compressor 1, CFC gas delivered from...
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JP2002277113 |
To separate and recover lubricant for chlorine based refrigerant mixed into non-chlorine based refrigerant when chlorine based refrigerant in a refrigerating machine system is replaced by non-chlorine based refrigerant.From refrigerating...
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JP2002276851 |
To provide a refrigerant control valve with a charge port preventing an eddy current of refrigerant inside the valve and noise generated by the eddy current.In the refrigerant control valve with the charge port, the charge port is screwe...
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JP2002264043 |
To provide a workbench facilitating work of extracting fleon and compressor oil from an air-conditioner outdoor unit.This workbench 1 is provided with a rotary table 20 rotatable on an upper plate part 13 of a base 10, and a reversing ta...
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JP2002267232 |
To improve operation efficiency and to improve workability and reliability of an air conditioner itself by properly determining the composition and sealing amount of a refrigerant by matching with a working state or a time, in which oper...
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JP2002267293 |
To provide a method or replacing the refrigerant of an existing refrigeration cycle device, in which the refrigerant of the conventional arts such as CFC, HCFC, or the like is used with a new refrigerant of the such as HFC which is deeme...
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JP2002267294 |
To provide a refrigerant circuit switching device for replacing the refrigerant of an existing refrigeration cycle device, in which the refrigerant of the conventional arts such as CFC, HCFC, or the like is used with a new refrigerant, s...
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JP3348307 |
PURPOSE: To enable consecutive execution of operations of recovering refining and filling a refrigerant by a construction wherein the refrigerant flowing into a separator by making a refrigerant apparatus on the refrigerant delivery side...
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JP2002243318 |
To provide a compact, light and inexpensive refrigerant recovery device.An outdoor unit 2 in which a compressor 5, a four-way valve 6, an outdoor heat exchanger 7 and an expansion valve 8 are sequentially connected is connected to the re...
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JP2002235971 |
To solve the problem in the conventional method for using existing piping that the replacement work takes much expenses in time and effort in replacement of a refrigerating machine oil in a taken-out compressor, enclosing a new refrigera...
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JP3343192 |
To execute the refrigeration system which prevents the air from being mixed in the refrigeration system and is friendly to the environment. An outdoor unit 5 having a refrigeration compressor 1 in which a part of or the whole of the work...
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JP2002228307 |
To provide a refrigerant filling method for filling a mixed refrigerant capable of being used as a substitute for R22, R502 or R12, or an apparatus filled with the same.A method for filling a refrigerant container with a mixture consisti...
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JP2002228306 |
To suppress deterioration of fresh lubricant oil by separating and collecting lubricant oil remaining in an existing pipe, even when the fresh lubricant oil for replacing the former lubricant oil is mixed with the former lubricant oil re...
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JP2002213847 |
To provide a method for monitoring a refrigerant filling level, capable of surely sensing wrong filling with only slight expense.The method of monitoring the refrigerant filling level comprises the step of monitoring the refrigerant fill...
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JP2002213845 |
To provide a refrigerant liquid storage tank monitoring system, capable of deciding whether a refrigerant component consisting of refrigerant liquid in a refrigerant liquid storage tank is out of an allowable composition ratio range.The ...
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JP3329114 |
PURPOSE: To efficiently recover a refrigerant of a refrigerating device in a short period of time without requiring a refrigerant-recovering device having a compressor and pump by a method wherein the major circuit of a refrigeration cyc...
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JP2002195705 |
To provide a supercritical refrigerating cycle which copes with insufficient circulating amount of refrigerant in the refrigerating cycle caused by unavoidable leakage.The refrigerating cycle comprises a compressor 1, gas cooler 2, inter...
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JP2002195704 |
To provide a fluorocarbon gas recovering system which is efficient and permits perfect control and promotes recovery of fluorocarbon gas.The fluorocarbon recovering system is constituted of a group A that controls recovery, a member B wh...
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JP2002181417 |
To provide an apparatus and method, in which an existing refrigerating-cycle apparatus is renewed into an apparatus using a new refrigerant, a lubricating oil in the old equipment is recovered to operate the refrigerating cycle.An extens...
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JP2002174171 |
To provide a vacuum pump to easily work in a short period of time while restraining, a bad influence on an environment at the time of constructing an air conditioner.The vacuum pump makes an air intake port side in a negative pressure st...
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JP2002174473 |
To prevent the liquid back from a receiver (33) to compressors (41 and 42), at the time of charge, etc., of a refrigerant.The receiver (33) and the suction side of the compressors (41 and 42) are connected with each other through a gas b...
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JP2002168551 |
To provide a cooling device for the electrode of a treating device enabling saving of energy without directly regulating the temperature of a refrigerant for cooling the electrode of the treating device by a refrigerating circuit.The coo...
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JP2002162135 |
To provide a refrigerant recovery device which can recover a refrigerant from a device from which a refrigerant is to be recovered even if there is not power supply source such as a power plug socket or the like.In this device, a refrige...
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JP2002156166 |
To provide a multi-chamber type air conditioner, capable of keeping the circulating amount of refrigerant in a refrigerating cycle at the optimum value in accordance with the number of operating sets of a plurality of indoor machines as ...
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JP2002147647 |
To provide a valve device capable of inexpensively achieving the sealing performance sufficiently endurable to the actual use by improving a contact structure at an operating end side, of a valve rod.A predetermined thickness d between i...
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JP2002147903 |
To provide a technology, in which a refrigerant in a freezing cycle of an indoor unit is efficiently recovered to a low pressure tank by a refrigerant extrusion-force of a high pressure gas and a negative pressure suction-force of a low ...
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JP2002130875 |
To provide a technique wherein a compressor is driven forcibly by a portable inverter device to recover refrigerant efficiently to the side of an outdoor machine whereby the working efficiency and the workability of refrigerant recoverin...
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JP2002115795 |
To provide a fluorocarbon collecting device capable of collecting different kinds of fluorocarbons without mixing them and enabling the collected fluorocarbons to be easily recycled.The fluorocarbon collecting device comprises a fluoroca...
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JP3298691 |
PURPOSE: To provide a refrigerant recovery apparatus in which a suction side refrigerant recovery structure of a recovery compressor is simplified and in which lubricating oil is previously prevented from being sucked into the recovery c...
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JP2002107011 |
To change existing refrigerating cycle equipment into refrigerating cycle equipment using a new refrigerant, while making use of existing refrigerant piping.Regarding the existing refrigerating cycle equipment, a means 13 for catching fo...
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JP2002098450 |
To provide a fluid extractor for enhancing the workability of recovering refrigerant in the machine room of a refrigerator, or the like, having substantially no space and for enhancing the efficiency of recovering refrigerant by improvin...
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JP2002096056 |
To provide a method and device of safely recovering the foaming gases of foamed thermally insulating materials and treating the gases without making prior investigation of the foaming gases.This method of recovering the foaming gases of ...
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JP2002090008 |
To provide a refrigerant charging-and-sealing method and apparatus for a refrigeration cycle for making it possible to charge and seal a high pressure refrigerant, by forming a plurality of caulking parts at different positions in an axi...
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JP3287260 |
To quickly fill a non-azeotropic mixed refrigerant without changing its composition ratio. A refrigerant circuit 50 includes a compressor 1, a four-way changeover valve 2, an outdoor heat exchanger 3, an outdoor electronic expansion valv...
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JP2002071243 |
To provide a constant quantity refrigerant feeder which can feed a constant quantity of refrigerant easily to an air conditioner without requiring a measuring work before feeding refrigerant to the air conditioner.The constant quantity r...
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JP3285034 |
To provide a vacuum pump to easily work in a short period of time while restraining, a bad influence on an environment at the time of constructing an air conditioner. The vacuum pump makes an air intake port side in a negative pressure s...
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JP3280295 |
To provide an outdoor unit of split type air conditioning equipment which enables stable operation over the long period of time even when a highly water-absorptive and hydrolytic lubricating oil is used by allowing the prevention of the ...
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JP2002039648 |
To regulate the composition of the low boiling point components circulating in a refrigerant circuit, according to the length of a pipe, and suppress the drop of performance in the case where the pipe is long.An air conditioner, where an...
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JP2002039642 |
To perform the operation control efficiently, by controlling a surplus refrigerant, according to the operation state such as the cooling operation at cold outside air or the operation at overload or the like.The control of the quantity o...
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JP2002031439 |
To permit quick and efficient recovery of refrigerant from a machine whose refrigerant is to be recovered, in spite of the condition of the same machine.A refrigerant recovering device is provided with a recovering compressor 18, connect...
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JP2002022099 |
To provide a valve for a refrigerant recovery vessel securing the safety of the workers and persons in the circumference, and suppressing the dispersion of once-recovered fluorocarbon to minimum by preventing the breakage beforehand, eve...
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JP2001349646 |
To provide a two-way control valve with a valve core to reduce the number of ports by causing a valve port to also serve as a service port and have a function of a conventional three-way control valve decreased in the processing cost.The...
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JP2001349647 |
To provide a three-way control valve decreased in resistance in a way that a flow passage is linearly formed.The three-way control valve comprises a down first piping port 1; an up second piping port 2 situated opposite to the first pipi...
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JP3261585 |
To provide an inexpensive and portable refrigerant recovery unit having a compact structure in which operation is facilitated and the cost for recovering CFC is lowered. CFC gas is sucked by means of a compressor 1, CFC gas delivered fro...
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JP2001349645 |
To provide a refrigerant recovery device easy in its transportation and high in its refrigerant recovery efficiency and a refrigerant recovery method high in its refrigerant recovery efficiency.The compressor (10) of a refrigerant circui...
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