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WO2015140918A1 - Dispositif réfrigérant et compresseur pour dispositif réfrigérant - Google Patents

Dispositif réfrigérant et compresseur pour dispositif réfrigérant Download PDF

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Publication number
WO2015140918A1
WO2015140918A1 PCT/JP2014/057264 JP2014057264W WO2015140918A1 WO 2015140918 A1 WO2015140918 A1 WO 2015140918A1 JP 2014057264 W JP2014057264 W JP 2014057264W WO 2015140918 A1 WO2015140918 A1 WO 2015140918A1
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Prior art keywords
refrigerant
compressor
group
chemical formula
refrigerant device
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Ceased
Application number
PCT/JP2014/057264
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English (en)
Japanese (ja)
Inventor
茂紀 松本
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Hitachi Ltd
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Hitachi Ltd
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Filing date
Publication date
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Priority to PCT/JP2014/057264 priority Critical patent/WO2015140918A1/fr
Publication of WO2015140918A1 publication Critical patent/WO2015140918A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/008—Lubricant compositions compatible with refrigerants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy compounds
    • C10M2207/2835—Esters of polyhydroxy compounds used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/106—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only
    • C10M2209/1065—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
    • C10M2209/1095—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/09—Characteristics associated with water
    • C10N2020/097—Refrigerants
    • C10N2020/101—Containing Hydrofluorocarbons

Definitions

  • the present invention relates to a refrigerant device and a compressor for the refrigerant device.
  • R410A As a refrigerant used in room air conditioners, packaged air conditioners, etc., R410A has been attracting attention since its study at the 3rd Conference of the Parties to the climate Change Convention (COP3).
  • R410A is a mixture of 50% by mass of difluoromethane (HFC32) and 50% by mass of pentafluoroethane (HFC125).
  • a polyol ester is known as a refrigerating machine oil when using an alternative refrigerant containing difluoromethane (HFC32) (see, for example, Patent Document 1).
  • HFC32 difluoromethane
  • the conventional polyol ester has a problem that the compatibility with difluoromethane (alternative refrigerant) is insufficient. Therefore, when difluoromethane is used in combination with a conventional polyol ester, the polyol ester aggregates in the piping of the air conditioner and causes a pressure drop. That is, in the combination of difluoromethane and a conventional polyol ester, the efficiency (coefficient of performance COP, etc.) of the air conditioner may be reduced.
  • an object of the present invention is to provide a refrigerant device that is excellent in efficiency while using a refrigerant having a small environmental load, and a compressor for the refrigerant device used therefor.
  • a compressor for a refrigerant device that solves the above-described problem is a refrigerant containing difluoromethane and a polyol ester represented by the following chemical formula (1) (in the chemical formula (1), R 1 and R 2 are the same or different from each other). Each of which represents a monovalent organic group or alkyl group containing a carbonyl group, R 3 each independently represents an alkyl group, and n represents an integer of 2 or more). It is characterized by.
  • a refrigerant device that solves the above-described problems includes the refrigerant device compressor.
  • the present invention it is possible to provide a refrigerant device that is excellent in efficiency while using a refrigerant with a low environmental load, and a compressor for the refrigerant device used therefor.
  • the air conditioner as a refrigerant device according to the present embodiment and the compressor for the refrigerant device use a refrigerant containing difluoromethane, and a refrigerating machine oil having an oxyalkylene structure having a carboxylic acid ester bond in the side chain as a repeating unit.
  • the main feature is that the following polyol ester was used.
  • an air conditioner as a refrigerant device, a compressor for the refrigerant device hereinafter sometimes simply referred to as a compressor
  • refrigeration oil used in these will be described in this order.
  • FIG. 1 is a configuration explanatory diagram of an air conditioner according to an embodiment of the present invention.
  • an air conditioner 100 according to this embodiment includes an outdoor unit 1 including a compressor 5, a four-way valve 10, an expansion valve 6, an outdoor heat exchanger 2, and a propeller fan 9, and an indoor heat exchanger. 4 and the indoor unit 3 including the cross-flow fan 8.
  • the compressor 5, the four-way valve 10, the expansion valve 6, the indoor heat exchanger 4, and the outdoor heat exchanger 2 are annularly connected by a predetermined pipe 7.
  • This air conditioner 100 switches the four-way valve 10 to change the cooling operation using the indoor heat exchanger 4 as an evaporator and the outdoor heat exchanger 2 as a condenser, and the indoor heat exchanger 4 as a condenser and outdoor heat exchange.
  • It is a heat pump type that performs heating operation using the apparatus 2 as an evaporator.
  • a solid line arrow added along the pipe 7 indicates the circulation direction of the refrigerant (working fluid) during the cooling operation
  • a broken line arrow indicates the circulation direction of the refrigerant during the heating operation.
  • HFC32 difluoromethane
  • refrigerants examples include trans-1,3,3,3-tetrafluoropropene (R-1234ze (E)), propene (R-1270), propane (R290), and pentafluoroethane (R-125). 1,1,1,2-tetrafluoroethane (R-134a), fluoroethane (R-161), 1,1-difluoroethane (R-152a) and the like, but are not limited thereto.
  • the flow of the refrigerant during operation of the air conditioner 100 will be described.
  • the refrigerant flows in the direction of the solid line arrow in FIG.
  • the gas refrigerant is compressed by the compressor 5
  • the refrigerant changes to a high-temperature and high-pressure gas refrigerant.
  • the gaseous refrigerant is supplied to the outdoor heat exchanger 2 via the four-way valve 10.
  • the refrigerant is cooled (that is, dissipated to the outside air) by heat transfer with the external airflow generated by the rotation of the propeller fan 9. Change.
  • the refrigerant changed to liquid is expanded by the expansion valve 6 to be in a two-phase state of low-temperature and low-pressure gas and liquid.
  • the low-temperature and low-pressure refrigerant is supplied to the indoor heat exchanger 4, and the cold heat of the refrigerant is supplied to the room by the cross-flow fan 8. That is, the taken-in indoor air is cooled, and the cooled air is supplied to the room as cold air.
  • the indoor heat exchanger 4 since the cold heat is released into the room (that is, the room heat is absorbed), it evaporates and changes to a gaseous refrigerant. Then, this gaseous refrigerant is supplied to the compressor 5 again.
  • the refrigerant flows in the direction of the broken line arrow in FIG. 1 by switching the four-way valve 10.
  • the gas refrigerant changes to a high-temperature and high-pressure gas refrigerant.
  • the gaseous refrigerant is supplied to the indoor heat exchanger 4 via the four-way valve 10.
  • the heat of the refrigerant is supplied into the room by the cross-flow fan 8. That is, the taken-in indoor air is heated, and the heated air is supplied to the room as warm air.
  • the refrigerant is cooled (ie, radiated into the room) and condensed by the indoor air, whereby the high-pressure gas refrigerant is changed to a high-pressure liquid refrigerant.
  • the refrigerant changed to a liquid is expanded by the expansion valve 6 to be in a two-phase state of a low-temperature and low-pressure gas and liquid. Then, the low-temperature and low-pressure refrigerant is supplied to the outdoor heat exchanger 2, and the cold heat of the refrigerant is released to the outside by contact with the outside air generated by the rotation of the propeller fan 9. That is, the gas and liquid two-phase refrigerant changes to a gas single-phase refrigerant by absorbing the heat of the outside air. Then, this gaseous refrigerant is supplied to the compressor 5 again.
  • a refrigerator or a heat pump type hot water heater (hereinafter also referred to as a refrigerator) as a refrigerant device in which the outdoor heat exchanger 2 functions only as a condenser is different from the air conditioner 100 in cooling. And since the switching of heating is not required, the four-way valve 10 is not provided.
  • the specification temperature conditions such as a refrigerator, differ from the specification temperature conditions of the air conditioning apparatus 100, the main structures of the refrigerating cycle in other refrigerators etc. are the same as the air conditioning apparatus 100.
  • FIG. 2 is an explanatory diagram of the configuration of the compressor according to the present embodiment.
  • the compressor 5 in this embodiment is a scroll compressor.
  • the compressor 5 includes a compression mechanism unit composed of an orbiting scroll 11 and a fixed scroll 12 in which spiral wraps 11 a and 12 a are erected, an electric motor 13 that drives the compression mechanism unit, And a sealed container 14 that houses the compression mechanism and the electric motor 13.
  • the compression mechanism part is disposed in the upper part of the sealed container 14, and the electric motor 13 is disposed in the lower part.
  • a refrigerating machine oil (lubricating oil) 15 is stored at the bottom of the sealed container 14.
  • a suction pipe 14a is provided on the top of the sealed container 14, and a discharge pipe 14b is provided on the side surface.
  • the compression mechanism unit is integrated with the orbiting scroll 11 having the spiral wrap 11a on the end plate 11b, the fixed scroll 12 having the spiral wrap 12a on the end plate 12b, and the fixed scroll 12 with a bolt 16 so as to be integrated. And a frame 17 that supports the scroll 11.
  • a crankshaft 18 is fixed to the electric motor 13.
  • the crankshaft 18 is provided with an oil supply passage 18a that guides the refrigerating machine oil 15 to the main bearing 17a, the lower bearing 19 and the swing bearing 11c.
  • Refrigerating machine oil 15 stored at the bottom of the hermetic container 14 is introduced into the oil supply passage 18a via an oil supply pump (not shown) provided at the lower end of the crankshaft 18.
  • the refrigerant gas
  • the suction pipe 14 a When the orbiting scroll 11 orbits through the crankshaft 18 driven by the electric motor 13, the refrigerant (gas) is guided from the suction pipe 14 a to the compression chamber 20 formed by the orbiting scroll 11 and the fixed scroll 12.
  • the refrigerant is reduced in volume and compressed as it moves in the center direction of the scrolls 11 and 12.
  • the compressed refrigerant is discharged to the discharge pressure chamber 14 c in the hermetic container 14 from the discharge port 12 c provided in the approximate center of the end plate 12 b of the fixed scroll 12. This refrigerant flows out from the discharge pipe 14b to the outside.
  • the refrigerating machine oil 15 contributes to lubrication in sliding portions such as the main bearing 17a, the lower bearing 19 and the swivel bearing 11c and sealing of the refrigerant in the compression mechanism portion as described above.
  • coolant will flow out outside from the discharge pipe 14b with gasified refrigerator oil 15 (Hereafter, the code
  • the refrigerating machine oil used for the air conditioning apparatus 100 (compressor 5) includes a polyol ester represented by the following chemical formula (1).
  • this polyol ester has an oxyalkylene structure having a carboxylic acid ester bond in the side chain, in other words, having an alkanoyloxymethyl group in the side chain as a repeating unit.
  • R 1 and R 2 may be the same or different from each other, each represents a monovalent organic group or alkyl group containing a carbonyl group, and R 3 each independently represents an alkyl group.
  • R 1 and R 2 will be described later, any of these may be a “monovalent organic group containing a carbonyl group”, or any of them may be an alkyl group. Further, at least one of R 1 and R 2 may be a monovalent organic group containing a carbonyl group.
  • n is the degree of polymerization of the oxyalkylene structure (repeating unit) and represents an integer of 2 or more.
  • the alkyl group represented by R 1 and R 2 preferably has 1 to 5 carbon atoms.
  • Examples of the alkyl group having 1 to 5 carbon atoms include straight chain alkyl groups such as methyl group, ethyl group, n-propyl group, n-butyl group, and n-pentyl group; isopropyl group, isobutyl group, sec Examples thereof include branched alkyl groups such as -butyl group, t-butyl group and isoamyl group. Of these, n-propyl, n-butyl and n-pentyl groups having 3 to 5 carbon atoms are more desirable.
  • Examples of the monovalent organic group containing a carbonyl group represented by R 1 and R 2 include the following chemical formula (2): -COR 4 Chemical formula (2) (In the chemical formula (2), R 4 is an alkyl group having 1 to 3 carbon atoms) The alkanoyl group shown by these is mentioned.
  • Examples of the alkyl group represented by R 4 in the chemical formula (2) include a methyl group, an ethyl group, and a propyl group.
  • Examples of the alkanoyl group include an ethanoyl group (acetyl group), a propanoyl group (propionyl group), and a butanoyl group.
  • the alkyl group represented by R 3 in the chemical formula (1) preferably has 1 to 5 carbon atoms.
  • Examples of the alkyl group having 1 to 5 carbon atoms include straight chain alkyl groups such as methyl group, ethyl group, n-propyl group, n-butyl group, and n-pentyl group; isopropyl group, isobutyl group, sec Examples thereof include branched alkyl groups such as -butyl group, t-butyl group and isoamyl group. Of these, n-propyl, n-butyl and n-pentyl groups having 3 to 5 carbon atoms are more desirable.
  • a polyol ester having an alkyl group represented by R 3 having such a carbon number has a sufficient viscosity and is excellent in compatibility with difluoromethane (refrigerant).
  • the polyol ester represented by the chemical formula (1) as described above is preferably a monovalent organic group in which at least one of R 1 and R 2 contains a carbonyl group, and any of R 1 and R 2 More preferably, the monovalent organic group containing a carbonyl group.
  • R 1 and R 2 are “monovalent organic groups containing a carbonyl group” are excellent in compatibility with difluoromethane (refrigerant) and compared with those in which R 1 and R 2 are alkyl groups. It will have a higher viscosity.
  • both of R 1 and R 2 are alkyl groups, those having a polymerization degree n of 3 or more in the chemical formula (1) are desirable.
  • At least one of the alkyl groups can be a branched alkyl group.
  • the polyol ester having such a branched alkyl as R 1 and R 2 has a sufficient viscosity while exhibiting good compatibility with difluoromethane (refrigerant).
  • polyol ester in this embodiment include those represented by the following chemical formulas (3) to (12), but are not limited thereto.
  • the polyol ester represented by the chemical formula (1) can be obtained by a conventional method.
  • a polyol obtained by converting pentaerythritol at the predetermined polymerization degree (n) can be obtained by esterification with a fatty acid.
  • the refrigerating machine oil used in the present embodiment can contain other components such as a stabilizer and a flame retardant as needed.
  • the stabilizer include diene compounds, phosphates, phenol compounds, and epoxides.
  • flame retardants include tri (2-chloroethyl) phosphate, (chloropropyl) phosphate, tri (2,3-dibromopropyl) phosphate, tri (1,3-dichloropropyl) phosphate, diammonium phosphate, halogenated Aromatic compounds, antimony oxide, aluminum trihydrate, polyvinyl chloride, fluorinated iodocarbon, fluorinated bromocarbon, trifluoroiodomethane, perfluoroalkylamines, bromofluoroalkylamines and the like can be mentioned.
  • FIG. 3 is a conceptual diagram illustrating easy compatibility between the refrigerating machine oil and the refrigerant used in the air-conditioning apparatus 100 and the compressor 5 according to the present embodiment.
  • FIG. 4 is a conceptual diagram illustrating the principle of high viscosity expression of the refrigeration oil used in the air conditioner 100 and the compressor 5 according to this embodiment.
  • the molecular chain 200, the molecular chain 300, and the molecular chain 400 of the polyol ester are mutually connected through the molecules of difluoromethane HFC32 as a refrigerant as follows. Influence each other.
  • the molecular chain 200, the molecular chain 300, and the molecular chain 400 exist in one molecule of the polyol ester represented by the chemical formula (1) or in each of two or more molecules adjacent to each other.
  • the molecular chain 200 is a functional group in the chemical formula (1); a molecular chain in the vicinity of the carbonyl group (—CO—) in the alkanoyloxymethyl group (—CH 2 —O—COR 3 ), or in the chemical formula (1)
  • This is a partial representation of the molecular chain in the vicinity of the carbonyl group in the “monovalent organic group containing a carbonyl group” represented by R 1 and R 2 .
  • the oxygen atom of the carbonyl group in the molecular chain 200 has a negative ( ⁇ ) charge.
  • the molecular chains 300 and 400 partially represent alkyl groups represented by R 1 , R 2 and R 3 in the chemical formula (1).
  • those having 4 or more carbon atoms can include branched ones (see, for example, molecular chain 400 in FIG. 3).
  • the hydrogen atoms in the molecular chains 300 and 400 have a positive (+) charge.
  • the molecule of difluoromethane (HFC32) as a refrigerant has a strong polarity. That is, as shown in FIG. 3, the fluorine atom F of difluoromethane (HFC32) has a negative ( ⁇ ) charge, and the hydrogen atom has a positive (+) charge.
  • difluoromethane (HFC32) when difluoromethane (HFC32) is present in the polyol ester, the oxygen atom (negative charge) of the molecular chain 200 and the two hydrogen atoms (positive charge) of the branched chains 300 and 400 in the polyol ester are combined to produce. A triangular (shaded part in FIG. 3) coupling structure (bonding surface) is formed. Then, difluoromethane (HFC32) is coordinated in the bonding plane.
  • the polyol ester represented by the chemical formula (1) has an oxyalkylene structure having an alkanoyloxymethyl group (—CH 2 —O—CO—R 3 ) in the side chain as a repeating unit. Yes.
  • such a polyol ester includes a carbon atom 500 repeatedly bonded by an ether bond, and an oxygen of a carbonyl group in an alkanoyl group (—CO—R 3 ) contained in a side chain of the carbon atom 500.
  • a region formed by the atoms 501 (a region indicated by a shaded portion in FIG. 4) is energized so as to expand.
  • a total of four oxygen atoms 501 arranged so as to sandwich the main chain of the repeating unit (oxyalkylene structure) in FIG. 4 have a negative ( ⁇ ) charge, respectively. . Therefore, the pair of oxygen atoms 501 are electrically repelled. In addition, the oxygen atoms 501 arranged at positions sandwiching the main chain from each other also repel each other. As a result, the regions formed on both sides of the main chain are urged to spread.
  • the polyol ester in the present embodiment is not only an effect of increasing the viscosity due to the increase in molecular weight, but also is energized so that the region is expanded, and the molecular chain constituting the polyol ester is extended so as to extend. High viscosity will be developed.
  • the polyol ester in this embodiment can express high viscosity by extending so that a molecular chain may extend as described above, the compatibility with difluoromethane (HFC32) is impaired.
  • the viscosity of the refrigerator oil can be increased without any problems.
  • the compressor 5 using the refrigerating machine oil containing the polyol ester of this embodiment, and the air conditioning apparatus 100 provided with the same have excellent lubricity and refrigerant sealing properties while using a refrigerant (difluoromethane) having a low environmental load. Is excellent in efficiency (COP, etc.).
  • the alkanoyl group is exemplified and described as the “monovalent organic group containing a carbonyl group” represented by R 1 and R 2 .
  • the “organic group” a monovalent organic group containing an alkoxycarbonyl group can also be selected.
  • Examples of the monovalent organic group containing an alkoxycarbonyl group include a methoxycarbonyl group, an ethoxycarbonyl group, a propoxycarbonyl group, a methoxycarbonylmethyl group, a methoxycarbonylethyl group, an ethoxycarbonylmethyl group, an ethoxycarbonylethyl group, and a propoxycarbonyl group.
  • a methyl group etc. are mentioned.
  • the polyol ester represented by the chemical formula (1) is used alone as the refrigerating machine oil.
  • the refrigerating machine oil according to the present invention is not limited to this unless the problem of the present invention is inhibited.
  • Other refrigerating machine oils other than polyol esters can be used in combination.
  • other refrigerating machine oil examples include polyol oils other than the polyol ester represented by the chemical formula (1), for example, mineral oil, silicone oil, polyalkylbenzenes, polyalkylene glycols, and polyalkylene glycol esters. , Polyvinyl ethers, polyalphaolefins and the like.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

Cette invention concerne un climatiseur ayant comme principale caractéristique d'utiliser un fluide frigorigène comprenant du difluorométhane et un ester de polyol comprenant, à titre de motifs répétitifs, une structure oxyalkylène ayant une liaison ester d'acide carboxylique dans une chaîne latérale à titre d'huile pour machine réfrigérante. Le climatiseur selon l'invention a un excellent rendement malgré l'utilisation du fluide frigorigène, qui est sans danger pour l'environnement.
PCT/JP2014/057264 2014-03-18 2014-03-18 Dispositif réfrigérant et compresseur pour dispositif réfrigérant Ceased WO2015140918A1 (fr)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03200895A (ja) * 1989-12-28 1991-09-02 Nippon Oil Co Ltd 非塩素系フロン冷媒用冷凍機油
JPH03227397A (ja) * 1989-11-29 1991-10-08 Asahi Denka Kogyo Kk 冷凍機用潤滑剤
JPH08502769A (ja) * 1992-10-09 1996-03-26 インペリアル・ケミカル・インダストリーズ・ピーエルシー 作動流体組成物
JP2002129178A (ja) * 2000-10-30 2002-05-09 Nippon Mitsubishi Oil Corp 冷凍機油及び冷凍機用流体組成物
JP2011195630A (ja) * 2010-03-17 2011-10-06 Jx Nippon Oil & Energy Corp 冷凍機油および冷凍機用作動流体組成物
WO2012086518A1 (fr) * 2010-12-20 2012-06-28 日立アプライアンス株式会社 Compresseur de réfrigération et climatisation, et appareil de réfrigération et climatisation
WO2013100100A1 (fr) * 2011-12-27 2013-07-04 日本サン石油株式会社 Composition d'huile pour réfrigérateur

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03227397A (ja) * 1989-11-29 1991-10-08 Asahi Denka Kogyo Kk 冷凍機用潤滑剤
JPH03200895A (ja) * 1989-12-28 1991-09-02 Nippon Oil Co Ltd 非塩素系フロン冷媒用冷凍機油
JPH08502769A (ja) * 1992-10-09 1996-03-26 インペリアル・ケミカル・インダストリーズ・ピーエルシー 作動流体組成物
JP2002129178A (ja) * 2000-10-30 2002-05-09 Nippon Mitsubishi Oil Corp 冷凍機油及び冷凍機用流体組成物
JP2011195630A (ja) * 2010-03-17 2011-10-06 Jx Nippon Oil & Energy Corp 冷凍機油および冷凍機用作動流体組成物
WO2012086518A1 (fr) * 2010-12-20 2012-06-28 日立アプライアンス株式会社 Compresseur de réfrigération et climatisation, et appareil de réfrigération et climatisation
WO2013100100A1 (fr) * 2011-12-27 2013-07-04 日本サン石油株式会社 Composition d'huile pour réfrigérateur

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