КОМПОЗИЦИЯ, ПРЕДНАЗНАЧЕННАЯ ДЛЯ ИСПОЛЬЗОВАНИЯ В ИСПАРИТЕЛЬНОЙ КОМПРЕССИОННОЙ ОХЛАЖДАЮЩЕЙ УСТАНОВКЕ, ИСПАРИТЕЛЬНАЯ КОМПРЕССИОННАЯ ОХЛАЖДАЮЩАЯ УСТАНОВКА И СПОСОБ СМАЗКИ ЕЕ

Усовершенствованные смазочные агенты для охлаждения, пригодные для компрессионных охлаждающих установок, представляют собой эфиры пространственно затрудненного спирта, содержащего, по меньшей мере, одну первичную спиртовую группу и, по меньшей мере, одну вторичную спиртовую группу и атом углерода, к которому присоединена гидроксильная группа, не являющийся соседним по отношению к метиленовой или метильной группам, и по меньшей мере, одной С4-С18 жирной кислоты, имеющей, по меньшей мере 70% ацильных групп с линейными цепями, причем такие смазочные агенты имеют объемный износ, определенный методом четырех шариков, < 1 мкм3. Описанные смазочные агенты и хладагенты, являющиеся фторуглеводородами, представляют собой композицию для использования в испарительной компрессионной охлаждающей установке. Также описаны способ смазки и испарительная компрессионная охлаждающая установка. Технический результат - смазки обладают оптимальным балансом свойств, особенно сочетанием хорошей совместимости, гидролитической ...

ХОЛОДИЛЬНАЯ СМАЗОЧНАЯ КОМПОЗИЦИЯ, ХОЛОДИЛЬНАЯ СИСТЕМА, СРЕДСТВО И СПОСОБ ИНГИБИРОВАНИЯ ОСАЖДЕНИЯ ИЛИ УДАЛЕНИЯ НЕЖЕЛАТЕЛЬНЫХ ОСАДКОВ

Использование: в холодильных системах. Сущность: смазочная композиция включает синтетическое смазочное вещество, содержащее сложный эфир полиола и/или полиалкиленгликоль и амфифильный препятствующий отложению осадка компонент, выбранный из диалкилсульфосукцината и его соли, фторалифатического полимерного сложного эфира, ароматической сульфоновой кислоты и ее соли, гребневого привитого сополимера метилметакрилата, метакриловой кислоты и метоксиполиэтиленоксида и раствора акрилового привитого сополимера в сочетании с хладагентом, включающим фторуглеводород. Предпочтительно амфифильный компонент содержится в количестве 0,001-5 мас.%. Холодильная система включает компрессор, конденсатор, компенсатор и испаритель, образующие замкнутую систему, в которой циркулирует фторуглеводородный охладитель, причем система содержит вышеописанную холодильную смазочную композицию. Описывается также способ и средство ингибирования осаждения либо удаления нежелательных осадков в холодильной системе с использованием ...

ТЕПЛОПЕРЕДАЮЩИЕ КОМПОЗИЦИИ, СОДЕРЖАЩИЕ ФТОРАЛКЕНЫ, И СПОСОБ ПЕРЕДАЧИ ТЕПЛА

Изобретение относится к теплопередающим композициям для использования в системах кондиционирования воздуха, включающим, по меньшей мере, один фторалкен формулы II: ! ! где каждый из R независимо означает Cl, F, Br, I или Н; R' означает (СR2)nY; Y означает СF3; и n равно 0 или 1, и где, по меньшей мере, один R у ненасыщенного концевого углерода не является F; и, по меньшей мере, один адьювант. Причем названный фторалкен имеет потенциал глобального потепления (ПГП) не более чем приблизительно 150, количество фторалкена формулы II составляет не менее 50% от веса композиции. Адьювант выбран из группы, состоящей из смазочных материалов, агентов совместимости, поверхностно-активных веществ, солюбилизирующих агентов или комбинации двух или более этих адьювантов. Также изобретение относится к способу передачи тепла к или от воздуха, включающему принудительный фазовый переход у фторалкена формулы II в теплопередающей композиции. Технический результат - снижение термодинамического кпд хладагента ...

ХОЛОДИЛЬНОЕ МАСЛО И КОМПОЗИЦИЯ РАБОЧЕГО ВЕЩЕСТВА ДЛЯ ХОЛОДИЛЬНОЙ УСТАНОВКИ

Изобретение относится к холодильному маслу и к композиции рабочего вещества для холодильной установки. Холодильное масло включает полиалкиленгликоль формулы, где Rи Rводород, С1-С5 алкил или С2-С5 ацил, R- С2-С4 алкилен, и доля С2 алкиленовых групп в Rне превышает 30% мольных, вместе с фторпропеновым холодильным агентом. Фторпропеновый холодильный агент выбирают из фторпропена и смеси фторпропена с, по меньшей мере, одним холодильным агентом ряда гидрофторуглеродов, фторированных простых эфиров и природных холодильных агентов. Композиция рабочего вещества для холодильной установки содержит указанный полиалкиленгликоль формулы (1) и указанный фторпропеновый холодильный агент. Предложенное холодильное масло обладает повышенной совместимостью с холодильными агентами в присутствии фторпропеновых холодильных агентов. 2 н. и 3 з.п. ф-лы, 1 табл., 3 пр.

СПОСОБ ПОЛУЧЕНИЯ ПРОСТОГО ЭФИРА

Изобретение относится к новому способу получения простых эфиров, которые используются в качестве растворителей, смазочных масел, клеящих веществ, смол и т. п. Получение простого эфира общей формулы (XV) или общей формулы (XVI), где R33 и R34 каждый является метильной, этильной, н-пропильной, или изопропильной группой, или углеводородной группой, содержащей атомы эфирного кислорода в основной, в боковой или в той и другой цепях, и могут быть одинаковыми или отличающимися друг от друга, а также R35, R36 и R37 каждый - атом водорода, метильная, этильная, н-пропильная, или изопропильная группа, или углеводородная группа, содержащая атомы эфирного кислорода в основной, в боковой или в той и другой цепях, и могут быть одинаковыми или отличающимися друг от друга, заключается во взаимодействии ацеталя или кеталя общей формулы (XIV) с водородом в присутствии катализатора. При этом катализатор выбирается из сочетания катализатора гидрирования и твердого кислотного катализатора или твердого кислотного ...

ХОЛОДИЛЬНАЯ УСТАНОВКА

Изобретение относится к холодильной установке, содержащей в одном как минимум цикле охлаждения одно как минимум холодильное машинное масло, включающее базовое масло, и один как минимум хладагент, при этом холодильная установка в качестве одного из базовых масел содержит масло сложного эфира полиола, а в качестве хладагента содержит системный хладагент гидрофторуглерод, имеющий чистоту, превышающую 99,95 вес. %, а количество хлоросодержащего системного хладагента в смешивании с хладагентом составляет менее 80 ч. на 1 млн. Техническим результатном изобретения является создание эффективно работающей холодильной установки. 1 с. и 16 з.п. ф-лы, 6 ил., 4 табл.

КОМПОЗИЦИИ, СОДЕРЖАЩИЕ ФТОРЗАМЕЩЕННЫЕ ОЛЕФИНЫ

... 1. Теплопередающая композиция, включающая, по меньшей мере, один фторалкен формулы I где Х означает ненасыщенный, замещенный или незамещенный С2- или С3-алкильный радикал, R независимо означает Cl, F, Br, I или Н и z равен 1-3, причем эта теплопередающая композиция имеет потенциал глобального потепления (ПГП) не выше приблизительно 150. 2. Теплопередающая композиция по п.1, в которой названный, по меньшей мере, один фторалкен является соединением формулы II где каждый из R независимо означает Cl, F, Br, I или Н; R' означает (CR2)nY; Y означает CRF2; и n равно 0 или 1. 3. Теплопередающая композиция по п.2, где Y означает CF3. 4. Теплопередающая композиция по п.3, где, по меньшей мере, один R у ненасыщенного концевого углерода не является F. 5. Теплопередающая композиция по п.4, где, по меньшей мере, один R у ненасыщенного концевого углерода является водородом. 6. Теплопередающая композиция по п.2, где n равно 0. 7. Теплопередающая композиция по п.2, где Y означает CF3 и n равно 0. 8. Теплопередающая ...

КОМПОЗИЦИИ, СОДЕРЖАЩИЕ ФТОРЗАМЕЩЕННЫЕ ОЛЕФИНЫ

... 1. Вспениваемая композиция, включающая, по меньшей мере, один формирующий пену компонент и вспенивающий агент, содержащий, по меньшей мере, один фторалкен формулы II: ! ! где каждый R независимо означает Cl, F, Br, I или Н; ! R′ означает (CR2)nY; ! Y означает CF3; ! и n равно 0 или 1, и где, по меньшей мере, один R у ненасыщенного концевого углерода является Н и, по меньшей мере, один из остающихся R представляет собой F, причем названный фторалкен имеет потенциал глобального потепления (ПГП) не более чем приблизительно 150. ! 2. Композиция по п.1, в которой вспенивающий агент имеет ПГП не более чем приблизительно 100. ! 3. Композиция по п.1, в которой вспенивающий агент имеет потенциал истощения озонового слоя (ПИОС) не более чем приблизительно 0,05. ! 4. Композиция по п.1, в которой, по меньшей мере, один заместитель у ненасыщенного концевого углерода фторалкена представляет собой F. ! 5. Композиция по п.1, в которой образующий пену компонент содержит, по меньшей мере, полиол. ! 6. Композиция ...

ХОЛОДИЛЬНОЕ МАСЛО И КОМПОЗИЦИЯ РАБОЧЕЙ ЖИДКОСТИ ДЛЯ ХОЛОДИЛЬНИКА

... 1. Композиция рабочей жидкости для холодильной машины, отличающаяся тем, что содержитмасло для холодильных машин, содержащее смесь по меньшей мере двух сложных эфиров, выбранных из группы сложных эфиров по меньшей мере одного многоатомного спирта, выбранного из неопентилгликоля, триметилолпропана, пентаэритритола, и ди-(пентаэритритол)а, и жирной кислоты с содержанием C-Cжирной кислоты 50-100 мол.%,фторпропеновый хладагент и/или трифторйодметановый хладагент.2. Композиция рабочей жидкости для холодильной машины, отличающаяся тем, что содержитмасло для холодильных машин, содержащее сложный эфир многоатомного спирта, и жирной кислоты с содержанием C-Cжирной кислоты 50-100 мол.%, где жирная кислота выбрана из группы смешанной жирной кислоты, включающей гептановую кислоту и 3,5,5-триметилгексановую кислоту, и смешанной жирной кислоты, включающей н-пентановую кислоту, гептановую кислоту и 3,5,5-триметилгексановую кислоту,фторпропеновый хладагент и/или трифторйодметановый хладагент.

РАБОЧАЯ ЖИДКОСТЬ ДЛЯ ХОЛОДИЛЬНОЙ СИСТЕМЫ

... 1. Рабочая жидкость для холодильной системы, содержащей компрессор, причем рабочая жидкость содержит:(i) охлаждающее смазочное вещество на основе сложных эфиров, содержащее(a) от 1 до 99% по массе одного или нескольких первых сложноэфирных соединений, имеющих структурупричем каждый из R, R, R, R, Rи Rнезависимо представляет собой Н или метил; каждое из а, b, c, x, у и z независимо представляет собой целое число, и каждая a+x, b+y и c+z независимо представляет собой целое число от 1 до 20; и каждый R, Rи Rнезависимо выбран из группы, состоящей из с неразветвленной цепью и разветвленных алкильных, алкенильных, циклоалкильных, арильных, алкиларильных, арилалкильных, алкилциклоалкильных, циклоалкилалкильных, арилциклоалкильных, циклоалкиларильных, алкилциклоалкиларильных, алкиларилциклоалкильных, арилциклоалкилалкильных, арилалкилциклоалкильных, циклоалкилалкиларильных и циклоалкиларилалкильных групп, имеющих от 1 до 17 атомов углерода, которые могут быть замещенными или незамещенными;(b) от ...

VERWENDUNG VON ESTEROELEN ALS SCHMIERMITTEL FUER KAELTEMITTELVERDICHTER

Schmierzusammensetzung für fluorierte Kühlmittel

Polyether als Schmiermittel für CO2-Kältemaschinen

TETRAFLUORÄTHANGEMISCH FÜR EINEN KÜHLSCHRANK

Zusammensetzungen und Verfahren zu ihrer Verwendung zur Kühlung.

SCHMIERMITTEL FUER LUFTKOLBENKOMPRESSOREN.

Öl für Kühlmaschine.

Betriebsmittel für Kohlendioxid-Kälte- und Klimaanlagen

The invention relates to resource operating medium compositions containing additivated lubricants based on polyalkylene glycols and/or neopentyl polyol esters, which are additivated with alkylated triaryl phosphate esters which are suitable for lubricating refrigerators, air-conditioning systems, heat pumps and similar systems which are operated using carbon dioxide as an operating medium.

GEFAERBTE KUEHLMITTEL ZUR LECKSTELLENANZEIGE

Fluoro-hydrocarbon-based operating fluid composition for refrigerators

A fluorohydrocarbon-based operating fluid for refrigerators with alkyl-benzene, mineral oil and/or poly- alpha -olefin as lubricant contains polyorganosiloxane, organic phosphate and/or organic phosphite as additive(s). An operating material for refrigerators contains: (A) refrigerant(s) consisting of one or more fluorohydrocarbons; (B) lubricant(s) comprising (B1) alkylbenzene(s) with 1-20C linear or branched alkyl groups, (B2) mineral oil(s) and/or (B3) poly- alpha -olefin(s); and (C) additive(s) comprising (C1) polyorganosiloxane(s) with 1-30C organic groups, in amounts of 0.1-250 mg per 1 kg component (B) and/or (C2) organic phosphate(s) of formula (I) and/or (C3) organic phosphite(s) of formula (II), in amounts of 0.01-10 wt.% (C2) and/or (C3) based on the total weight of (B). R<1>-R<3> = 1-20C alkyl, aryl and/or aralkyl.

Kaeltemaschine

Grundschmieröl aus synthetischen Estern hoher Viskosität

KÜHLMITTEL AUF BASIS VON POLY(NEOPENTYL POLYOL) ESTERN UND VERBESSERTES ADDITIV-KONZENTRAT

Retrofilling mechanical vapour recompression heat transfer devices

Flushing Composition

REFRIGERATION OIL COMPOSITION HAVING WIDE BOILING RANGE

... 1323237 Refrigeration oils SUN OIL CO 12 Aug 1971 [12 Aug 1970] 37882/71 Heading C5E Refrigeration oils comprise 50-75 vol. per cent of a hydrorefined naphthenic oil and 50- 25 vol. per cent of a dewaxed paraffinic oil, the mixture having a viscosity of 100-500 s.u.s. at 100‹ F. and a natural floe point no higher than - 35‹ F. in CCl 2 F 2 refrigerant. The paraffinic oil may be derived from petroleum lubricating oil, hydrogenated polyolefin oils or hydrocracked lubricating oils.

LUBRICANTS

WORKING FLUID COMPOSITION

WORKING FLUID AND LUBRICANT COMBINATION

Improvements in or relating to compression refrigerator apparatus and methods of operating same

An hydrocarbon oil, in whose molecule a benzene ring is joined to a saturated hydrocarbon group, is employed as the lubricant in the compressor unit of a compression refrigerator apparatus, wherein the refrigerant used is a fluoro-halo aliphatic hydrocarbon such as CFCl3, CF2Cl2 or CHF2Cl. The oil may have a viscosity between 50 and 2,000 seconds Saybolt Universal and may be an alkyl benzene whose alkyl group, whether branched or normal, contains a chain of 4-15 carbon atoms. Suitable hydrocarbons are dodecyl, pentadecyl, hexadecyl or heptadecyl benzene, 4-hexadecylcumene, diphenyl decane, diphenyl dodecane, diphenyl pentadecane and mixtures thereof. The mixture of dodecyl benzene isomers produced by the alkylation of benzene with propylene tetramer is particularly suitable but distillation cuts from coal-tar fractions are also mentioned. Mineral oil compressor lubricants may be blended with the alkyl benzenes.

USE OF CARBON DIOXIDE AS REFRIGERANTS IN AN OIL COMPOSITION FOR REFRIDGERATORS

OIL COMPOSITION FOR NATURAL COOLING AGENT

LUBRICANT FOR REFRIDGERATORS

LUBRICANT FOR REFRIGERANT PLANTS

FREEZING OIL COMPOSITION.

POLYGLYCOLSCHMIERMITTEL FOR COOLING COMPRESSORS AND PROCEDURES FOR YOUR PRODUCTION.

LIQUID COMPOSITIONS FOR COOLING COMPRESSORS AND PROCEDURES FOR YOUR PRODUCTION.

LIQUID COOLING COMPOSITIONS.

CARBONIC ACID ESTER ABSTENTION LIQUID COMPOSITIONS.

VERVENDUNG A SPECIFI POLYALKYLENGLYKOL DERIVATIVE AS LUBRICANTS FOR COMPRESSOR COOLING SYSTEMS, PROCEDURES FOR LUBRICATING AND THIS DERIVATIVE ABSTENTION COMPRESSOR COOLING SYSTEM.

LUBRICANT COMPOSITION FOR REFRIDGERATORS

POLYOLE/CESTER MIXTURE AS LUBRICANTS FOR HEAT TRANSFER LIQUIDS IN REFRIGERANT PLANTS

LUBRICATING OIL COMPOSITIONS AND THEIR USE

COOLING WORK LIQUID COMPOSITIONS CONTAINING TRIFLUORETHAN

THERMALLY STABLE ONE POLYALKYLENGLYKOLE AS LUBRICANT F R K LTEMASCHINEN

COMPOSITIONS AND PROCEDURES FOR YOUR USE FOR THE COOLING.

USE OF ESTER OIL AS LUBRICANTS FOR KAELTEMITTELVERDICHTER.

PROCEDURE FOR THE PRODUCTION OF FLUOROCARBONS, USE AS COOLING AGENTS AS WELL AS LUBRICANT FOR MAGNETIC RECORDING MEDIA

LUBRICATING OIL FOR COOLING SYSTEMS OF THE TYPE OF COMPRESSION

LUBRICANTS FOR REFRIGERATION COMPRESSORS

Refrigeration apparatus

REFRIGERATION APPARATUS A refrigeration apparatus (1) comprises a compressor (2), a condenser (4, 6), an expansion mechanism (5), and an evaporator (6, 4). A refrigerant containing R32, and refrigerator oil for lubricating the compressor (2) are used in the refrigeration apparatus (1). An acid scavenger added in an amount of 1.0 wt% to 5.0 wt% is blended in the refrigerator oil.

WATER RESISTANT LUBRICANT

Lubricant composition for refrigerating compressors

Refrigerator oil and working fluid composition for refrigerator

Compositions containing fluorine substituted olefins

Compositions and methods for reducing fire hazard of flammable refrigerants

LUBRICANTS FOR HEAT TRANSFER FLUIDS

A lubricating composition containing a blend of a polyol ester and an alkylbenzene

HIGH VISCOSITY SYNTHETIC ESTER LUBRICANT BASE STOCK

Refrigeration lubricant composition

Refrigeration apparatus

REFRIGERATION APPARATUS A refrigeration apparatus (1) comprises a compressor (2), a condenser (4, 6), an expansion mechanism (5), and an evaporator (6, 4). A refrigerant containing R32, and refrigerator oil for lubricating the compressor (2) are used in the refrigeration apparatus (1). An acid scavenger added in an amount of 1.0 wt% to 5.0 wt% is blended in the refrigerator oil.

Refrigeration cycle device

The present invention makes it possible to obtain a refrigeration cycle device that uses HFO-1123, said device making it possible to suppress disproportionation reactions. This refrigeration cycle device 10 is provided with: refrigerant circuits 11a, 11b in which a high-pressure shell-type compressor 12, an exterior heat exchanger 14, an expansion valve 15, and an interior heat exchanger 16 are connected; a mixed refrigerant including 1,1,2-trifluoroethylene and another refrigerant apart from 1,1,2-trifluoroethylene, and circulating in the refrigerant circuits 11a, 11b; and a refrigerator oil 60 being adjusted such that 1,1,2-trifluoroethylene is more soluble therein than the other refrigerant, and being enclosed inside the refrigerant circuits 11a, 11b.

Lubricant composition for fluorinated refrigerants used in compression refrige ration systems

Ammonia refrigerating machine

Refrigerator lubricant composition comprising an aliphatic substituted naphthalene with carbon dioxide as refrigerant

Lubricant refrigerant composition for hydrofluorocarbon (HFC) refrigerants

Refrigeration oils comprising esters of hindered alcohols

Refrigerating apparatus

Liquid compositions containing complex carboxylic esters

High viscosity complex alcohol esters

Lubricating oil for compression refrigerator

Refrigerating machine oil composition

REFRIGERANT COMPOSITIONS CONTAINING A COMPATIBILIZER AND USE THEROF IN A COMPRESSION REFRIGERATION APPARATUS

The present invention provides compositions that are useful for compatibilizing a conventional, non-polar, compression refrigeration lubricant and a hydrofluorocarbon and/or hydrochlorofluorocarbon refrigerant in a compression refrigeration apparatus. Additionally, these compositions promote efficient return of lubricant from the non-compressor zones to the compressor zones of the aforesaid refrigeration apparatus.

LUBRICANT REFRIGERANT COMPOSITION FOR HYDROFLUOROCARBON (HFC) REFRIGERANTS

A lubricant-refrigerant composition contained within a compression refrigeration system is disclosed which comprises: (A) at least one fluorine-containing hydrocarbon refrigerant containing 1 to 3 carbon atoms, further wherein fluorine is the only halogen in said fluorine-containing hydrocarbon with the proviso that 1,1,1,2- tetrafluoroethane is not the sole refrigerant; and (B) at least one lubricant comprising: (1) a hydrocarbyl substituted arene, (2) a phosphate ester, (3) an organic ester of a carboxylic acid and an alcohol, (4) a perfluoropolyethylene, (5) an ether, (6) a polyether, (7) a polyalphaolefin, or (8) a mineral oil, wherein at a temperature of above -60 .degree.C, a phase separation occurs such that at least two phases are formed, said phases being a refrigerant rich phase and a lubricant rich phase, further wherein the lubricant rich phase resides below the refrigerant rich phase.

A REFRIGERATOR OIL AND WORKING FLUID COMPOSITION FOR A REFRIGERATOR COMPRISING AN ESTER AND A FLUOROPROPRENE AND/OR TRIFLUOROIODOMETHANE REFRIGERANT

The refrigerating machine oil of the invention is characterized by comprising an ester of a polyhydric alcohol and a fatty acid with a C5-C9 fatty acid content of 50-100 mol%, a C5-C9 branched fatty acid content of at least 30 mol% and a C5 or lower straight-chain fatty acid content of no greater than 40 mol%, and by being used with a fluoropropene refrigerant and/or a trifluoroiodomethane refrigerant. The working fluid composition for a refrigerating machine according to the invention comprises the ester and a fluoropropene refrigerant and/or a trifluoroiodomethane refrigerant.

AZEOTROPE-LIKE COMPOSITIONS OF 1,1,1,2-TETRAFLUOROPROPENE AND 1,1,1,2-TETRAFLUOROETHANE

Provided are azeotrope-like compositions consisting essentially of 1,1,1,2-tetrafluoropropene and 1,1,1,2-tetrafluo-roethane and uses thereof, including use in refrigerant compositions, refrigeration systems, blowing agent compositions, and aerosol propellants.

REFRIGERATION WORKING FLUID CONTAINING BRANCHED CHAIN ALKYLBENZENE LUBRICANT

THERMAL OXIDATIVELY STABLE SYNTHETIC FLUID COMPOSITION

A thermal oxidatively stable synthetic fluid composition is disclosed. The composition is essentially comprised of an aromatic carboxylic acid ester of the general formula (See Fig. I) wherein Ar is an aromatic moiety, R is a neo hydrocarbyl group containing from about 5 to about 18 carbon atoms, with the proviso that R is not a cycloalkyl substituted neo hydrocarbyl group, R1 is a mono, di, tri or tetra functional hydrocarbyl group containing from 1 to about 18 carbon atoms, n is an integer from about 2 to about 4 and represents the total number of carboxylic acid ester groups on the aromatic moiety, a is an integer from about 1 to about 4, when a is 1 R1 is monovalent, when a is 2 R1 is divalent, when a is 3 R1 is trivalent and when a is 4 R1 is tetravalent, R2 is a hydrocarbyl group derived from a diol containing from about 2 to about 18 carbon atoms and x is an integer from 0 to about 4.

COMPOSITIONS AND METHODS FOR REDUCING FIRE HAZARD OF FLAMMABLE REFRIGERANTS

The present invention relates to compositions comprising flammable refrigerant, fire hazard-reducing agent, and optionally a lubricant suitable for use in a refrigeration or air conditioning apparatus. Further, the present invention relates to compositions comprising lubricant and fire hazard- reducing agent and methods for reducing flammability of flammable refrigerant, for delivering a fire hazard-reducing agent to a refrigeration or air conditioning apparatus, and for replacing a non-flammable refrigerant with a flammable refrigerant.

HIGH VISCOSITY SYNTHETIC ESTER LUBRICANT BASE STOCK BLENDS

Cross blends of synthetic ester base stocks are produced from high viscosity synthetic ester base stocks having a viscosity from about iso 120 to 140 and conventional synthetic ester base stocks of varying viscosities to form base stocks having viscosities from about iso 68 to iso 220. Lubricants formed from the cross blends have sufficient miscibility with HFC refrigeration fluids with minimal use of i-C9 carboxylic acids to form the ester.

REFRIGERATING MACHINE OIL COMPOSITION FOR CARBON DIOXIDE REFRIGERANT

A refrigerating machine oil composition for refrigerants which comprises a composition comprising as an oil base (A) a polyoxyalkylene glycol having a dynamic viscosity at 100~C of 3 to 50 mm2/s and incorporated therein 0.1 to 40 wt.% at least either of (B) a carbonic acid carbonyl derivative and (C) a polyol ester each having a dynamic viscosity at 100~C of 3 to 50 mm2/s. In refrigeration cycles employing a refrigerant consisting mainly of supercritical carbon dioxide having a high temperature and high pressure, the refrigerating machine oil composition is excellent not only in wearing resistance and lubricity but in compatibility with the carbon dioxide refrigerant and can be stably used for long.

LUBRICATION OF REFRIGERATION SYSTEMS

COMPOSITIONS COMPRISING A FLUOROOLEFIN

COMPOSITIONS COMPRISING A FLUOROOLEFIN

Disclosed are compositions comprising a hydrofluorocarbon (HFC), specifically HFC-1243zf and at least one compound selected from the group consisting of HFC-32, HFC-125, HFC-134, HFC-134a, HFC-143a, HFC-152a, HFC-161, HFC-227ea, HFC-36ea, HFC-236fa, HFC-245fa, HFC-365mfc, propane, n-butane, isobutane, 2-methylbutane, n-pentane, cyclopentane, dimethylether, CF3SCF3, CO2 and CF3I. The compositions are useful as refrigerants, heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

TRANSESTERIFIED FATTY ESTERS FOR LUBRICANT AND REFRIGERANT OIL SYSTEM

This invention is a composition that includes a transesterified fatty acid ester resulting from the reaction of a fatty acid ester, in the presence of an acid, with a hydroxyl-containing compound. The fatty acid esters of the invention are selected from those with a carbon number of eight to twenty. The hydroxyl-containing compound is an alcohol having a carbon number between one and eighteen. The resulting composition is useful as a lubricant, as a heat transfer agent, as a rheological modifier and as a corrosion/moisture inhibitor, among other uses.

METHOD OF IMPROVING PERFORMANCE OF REFRIGERANT SYSTEMS

A method of improving performance of refrigerant systems such as refrigerators and air conditioners that utilize a re-frigerant working fluid. The working fluid consists essentially of a heat transfer fluid and a lubricant that is miscible and is otherwise compatible with the heat transfer fluid at all operating temperatures of the refrigerant system. The method is directed particularly to chlorine-free fluoro-group organic fluids and more particularly to hydrofluorocarbon heat transfer fluids. The preferred lubricants comprise polyol ester basestocks and compounded polyol esters that are highly miscible with such hydrofluorocarbon heat transfer fluids.

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air- conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

REFRIGERATION OIL FROM GAS-TO-LIQUID DERIVED AND BIO-DERIVED TRIESTERS

The present invention is directed to a refrigerator oil composition comprising (a) a triester species having the following structure, formula (I); wherein R1, R2, R3, and R4 are the same or independently selected from hydrocarbon groups having from 2 to 20 and wherein 'n' is an integer from 2 to 20; and (b) a refrigerant.

HEAT TRANSFER COMPOSITION OF OXYGENATED LUBRICANT WITH HYDROFLUOROOLEFIN AND HYDROCHLOROFLUOROOLEFIN REFRIGERANTS

The present invention relates to heat transfer compositions comprising an oxygenaged lubricant comprising polyvinyl ether oil and a refrigerant comprising hydrofluoroolefins and/or hydrochlorofluoroolefins. The heat transfer compositions of the present invention have the benefit of exhibiting superior thermal stability and are useful in such applications as refrigeration, air conditioning, and heat transfer systems.

LIQUID COMPOSITIONS FOR REFRIGERATION SYSTEMS CONTAINING FATTY AMINES, FATTY AMIDES, AND REACTION PRODUCTS OF FATTY ACYLATING AGENTS

Title: LIQUID COMPOSITIONS FOR REFRIGERATION SYSTEMS CONTAINING FATTY AMINES This invention relates to a liquid composition comprising (A) at least one fluorine-containing hydrocarbon containing 1 to 3 carbon atoms, (B) an efficiency improving or wear reducing amount of an additive selected from the group consisting of at least one fatty amine, at least one fatty amide, at least one reaction product of at least one fatty carboxylic acylating agent and at least one amine selected from the group consisting of a polyamine, a hydroxy amine and a mixture thereof, and at least one mixture thereof, and (C) an effective amount of a lubricant selected from the group consisting of at least one carboxylic ester, at least one polyalkylene glycol, at least one polycarbonate, and at least one mixture thereof. The liquid compositions containing the fatty amine, the fatty amide, the reaction product of a fatty carboxylic acylating agent have improved efficiency and antiwear properties. These compositions ...

Method of Making Foam in an Energy Efficient Compressor

POLYOL ESTER LUBRICANTS FOR REFRIGERATING COMPRESSORS OPERATING AT HIGH TEMPERATURE

... 2137263 9325629 PCTABS00028 A high quality lubricant for heavy duty service air conditioner and refrigerator compressors, especially those using chlorine free hydrofluorocarbon refrigerant working fluids, is provided by mixed esters of hindered polyols, most desirably di-pentaerythritol, usually mixed with some pentaerythritol, with a mixture of carboxylic acids including at least some of each of iso-pentanoic acid and iso-nonanoic acid.

POLYOL ESTER LUBRICANTS FOR HERMETICALLY SEALED REFRIGERATING COMPRESSORS

A high quality lubricant for hermetically sealed domestic air conditioner an d refrigerator compressors, especially those us- ing chlorine free hydrofluorocarbon refrigerant working fluids, is provided by mixed esters of hindered polyols, most desirably pentaerythritol, with a mixture of carboxylic acids including at least some isopentanoic acid along with either or both of iso-nona- noic acid and dibasic acids such as adipic.

LUBRICANT OIL COMPOSITION

LUBRICANTS

R3078 A lubricant/working fluid composition for use in mechanical vapour compression type heat transfer devices is described wherein the working fluid is preferably tetrafluoroethane and the lubricant is an ester which is miscible with the working fluid at 10% over a temperature range of -50.degree.C to +80.degree.C and has a viscosity of 5 to 100 cSt at 40.degree.C. Useful esters include pentaerythritol partial ester of straight chain C5 or branched chain C7 carboxylic acids. The esters are compatible with non-chlorine containing working fluids and exhibit a low level of corrosion.

REFRIGERATION COMPOSITIONS AND PROCESS FOR USING THEM

Refrigeration Compositions and Process for Using A blend of a tetrafluoroethane or pentafluoroethane refrigerant with a di-functional random polyalkylene glycol based on significant amounts of ethylene oxide and propylene oxide and having an SUS viscosity at 100.degree.F of 100 to 1200 is disclosed for use in compression refrigeration.

FLUID COMPOSITON COMPRISING HFC REFRIGERANT AND ALKYLBENZENE-BASED REFRIGERATOR OIL

A refrigerator oil for use with an HFC refrigerant containing HFC-134a and/or HFC-125, comprises an alkylbenzene oil containing at least 60% by weight of alkylbenzenes having a molecular weight of 200 to 350. The use of such an oil prevents a refrigerating compressor from undergoing seizure.

LUBRICANTS

A working fluid composition comprising: (A) a heat transfer fluid comprising a mixture of at least two compounds selected from the group consisting of hydrofluoroalkanes and fluoroalkanes; and (B) sufficient to provide lubrication of a lubricant which is at least partially soluble in each component of the heat transfer fluid.

LUBRICATING OIL COMPOSITION

The first lubricating oil composition of the present invention is a composition comprising a polycarbonate represented by the following general formula, at least one compound as an essential component selected from the group consisting of epoxy compounds, phenol compounds, sulfur compounds and amine compounds, and a triester phosphite compound and a triester phosphate compound as an optical component. R1OCOO¢(R2O)pCOO!nR3 wherein R1 and R3 are each independently a specific hydrocarbon group or a specific hydrocarbon group containing an ether bond, R2 is a specific alkylene group, and p and n are specific integers. The lubricating oil compositions are excellent in lubricating properties, cleaning properties and electrical insulating properties, and their viscosity at low temperature can readily be lowered and, in addition thereto, generation of carbon dioxide gas can be inhibited.

Pentaerythritol tetraester

A pentaerythritol tetraester which is a mixed ester of pentaerythritol and carboxylic acids is provided, wherein the carboxylic acids consist of isobutyric acid and 3,5,5-trimethylhexanoic acid and the molar ratio of isobutyric acid to 3,5,5-trimethylhexanoic acid in the carboxylic acids is 36/64 to 80/20. The pentaerythritol tetraester may be used in a refrigerant oil or the like which exhibits excellent miscibility with a difluoromethane refrigerant among other properties.

Tetrafluoropropene compositions and uses thereof

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

Heat-transfer compositions exhibiting improved miscibility with the lubricating oil

The invention relates to the use of 1,1,1,2-tetrafluoroethane for increasing the miscibility of 2,3,3,3-tetrafluoropropene with a lubricating oil, and in particular with a polyalkylene glycol oil. In this regard, the invention provides heat-transfer compositions and also equipment and processes using these compositions.

Production of Polyol Ester Lubricants for Refrigeration Systems

A poly(neopentylpolyol) ester composition is produced by reacting a neopentylpolyol having the formula: wherein each R is independently selected from the group consisting of CH 3 , C 2 H 5 and CH 2 OH and n is a number from 1 to 4, with at least one monocarboxylic acid having 2 to 15 carbon atoms in the presence of an acid catalyst and at an initial mole ratio of carboxyl groups to hydroxyl groups of greater than 0.5:1 to 0.95:1 to form a partially esterified poly(neopentylpolyol) composition. Then the partially esterified poly(neopentylpolyol) composition is reacted with additional monocarboxylic acid having 2 to 15 carbon atoms to form a final poly(neopentylpolyol) ester composition.

Lubricant for Low Global Warming Potential Refrigerant Systems

The disclosed technology relates to a working fluid for a low global warming potential (GWP) refrigeration system that includes a compressor, where the working fluid includes an ester based lubricant and a low GWP refrigerant, and where the ester based lubricant includes an ester of one or more branched carboxylic acids where said branched carboxylic acid contains 8 or less carbon atoms. The disclosed technology provides commercially useful low GWP working fluids (commercially useful working fluids based on low GWP refrigerants) that do not have the solubility and/or miscibility problems commonly seen in low GWP fluids, including high viscosity fluids and applications. 1. A working fluid for a low global warming potential refrigeration system comprising a compressor , the working fluid comprising an ester based lubricant and a low global warming potential refrigerant;wherein the ester based lubricant comprises an ester of one or more branched carboxylic acids where said branched carboxylic acid contains 8 or less carbon atoms.2. The working fluid of wherein said branched carboxylic acid contains 5 carbon atoms.3. The working fluid of wherein said branched carboxylic acid comprises 2-methylbutanoic acid claim 1 , 3-methylbutanoic acid claim 1 , or a combination thereof.4. The working fluid of wherein said ester is formed by the reaction of said acid and one or more polyols claim 1 , wherein said polyol comprises neopentyl glycol claim 1 , glycerol claim 1 , trimethylol propane claim 1 , pentaerythritol claim 1 , dipentaerythritol claim 1 , tripentaerythritol.5. The working fluid of wherein said working fluid further comprises: (i) one or more esters of one or more linear carboxylic acids claim 1 , (ii) one or more polyalphaolefin (PAO) base oils claim 1 , (iii) one more alkyl benzene base oils claim 1 , (iii) one or more polyalkylene glycol (PAG) base oils claim 1 , (iv) one or more alkylated naphthalene base oils claim 1 , or (v) any combination thereof claim 1 , in ...

WORKING FLUID FOR HEAT CYCLE, COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a working fluid for heat cycle which has high durability, which is excellent in the compatibility with a greater variety of refrigerant oils, and which is excellent in the cycle performance (capacity), a composition for a heat cycle system, and a heat cycle system. A working fluid for heat cycle, which contains trifluoroethylene and difluoromethane, wherein the proportion of the total amount of trifluoroethylene and difluoromethane based on the entire amount of the working fluid for heat cycle is higher than 90 mass %, and the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 21/79 to 39/61, a composition for a heat cycle system, and a heat cycle system employing the composition. 1. A working fluid for heat cycle , which contains trifluoroethylene and difluoromethane , whereinthe proportion of the total amount of trifluoroethylene and difluoromethane based on the entire amount of the working fluid for heat cycle is higher than 90 mass % and at most 100 mass %, andthe mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 21/79 to 39/61.2. The working fluid for heat cycle according to claim 1 , wherein the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 23/77 to 39/61.3. The working fluid for heat cycle according to claim 1 , wherein the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 23/77 to 37/63.4. The working fluid for heat cycle according to claim 1 , wherein the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 25/75 to 37/63.5. The working fluid for heat cycle according to claim 1 , wherein the mass ratio represented by trifluoroethylene/difluoromethane in the working fluid for heat cycle is from 25/75 to 35/65.6. The working fluid for heat cycle according to claim 1 , wherein the ...

Working Fluid Composition for Refrigerating Machine and Refrigerating Machine Oil

The present invention provides a working fluid composition for a refrigerating machine containing: a refrigerating machine oil containing, as a base oil, a mixed ester of (A) a complex ester synthesized from a polyhydric alcohol such as neopentyl glycol, a polybasic acid having 6 to 12 carbon atoms, a monohydric alcohol having 4 to 18 carbon atoms and the like, and (B) a polyol ester synthesized from a polyhydric alcohol such as neopentyl glycol and a monocarboxylic fatty acid having 4 to 18 carbon atoms, in a mass ratio of (A) the complex ester/(B) the polyol ester of 5/95 to 95/5; and a refrigerant such as carbon dioxide. 1. A working fluid composition for a refrigerating machine , comprising:a refrigerating machine oil comprising, as a base oil, a mixed ester of (A) a complex ester synthesized from a polyhydric alcohol comprising at least one selected from neopentyl glycol, trimethylolpropane and pentaerythritol, at least one selected from polybasic acids having 6 to 12 carbon atoms, and at least one selected from monohydric alcohols having 4 to 18 carbon atoms and monocarboxylic fatty acids having 4 to 18 carbon atoms, and (B) a polyol ester synthesized from at least one polyhydric alcohol selected from neopentyl trimethylolpropane, pentaerythritol and dipentaerythritol, and at least one selected from monocarboxylic fatty acids having 4 to 18 carbon atoms, in a mass ratio of (A) the complex ester/(B) the polyol ester of 5/95 to 95/5; anda refrigerant selected from carbon dioxide, 1,1,1,2-tetrafluoroethane, a mixture of difluoromethane and pentafluoroethane, a mixture of difluoromethane, pentafluoroethane and 1,1,1,2-tetrafluoroethane, and a mixture of pentafluoroethane, 1,1,1,2-tetrafluoroethane and 1,1,1-trifluoroethane.2. The working fluid composition for a refrigerating machine according to claim 1 , wherein the polyhydric alcohol constituting (A) the complex ester further comprises a dihydric alcohol having 2 to 10 carbon atoms except neopentyl glycol.3. The ...

REFRIGERATION OIL, AND COMPOSITION FOR USE IN REFRIGERATING MACHINE

A refrigerator oil according to one embodiment of the present invention contains: a base oil containing an oxygen-containing organic compound; a polyphosphate ester compound; and a metal salt of an organic carboxylic acid having 6 to 60 carbon atoms. 1: A refrigerator oil , comprising:a base oil comprising an oxygen-containing organic compound;a polyphosphate ester compound; anda metal salt of an organic carboxylic acid having 6 to 60 carbon atoms.2: The refrigerator oil according to claim 1 , wherein a content of the polyphosphate ester compound is from 0.01 to 5.0% by mass based on the total amount of the refrigerator oil.3: The refrigerator oil according to claim 1 , wherein a content of the metal salt of an organic carboxylic acid is 1 ppm or more in terms of metal concentration based on the total amount of the refrigerator oil.4: The refrigerator oil according to claim 1 , wherein the oxygen-containing organic compound is at least one selected from the group consisting of a polyvinyl ether compound claim 1 , a polyoxyalkylene glycol compound claim 1 , a copolymer of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether claim 1 , and a polyol ester compound.6: The refrigerator oil according to claim 5 , wherein in the general formula (1) Rcomprises an arylene group.9: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is an alkali metal salt of an organic carboxylic acid.10: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is a metal salt of an organic carboxylic acid having 16 to 20 carbon atoms.11: The refrigerator oil according to claim 1 , wherein the metal salt of an organic carboxylic acid is potassium oleate.12: A composition for a refrigerator claim 1 , the composition comprising a refrigerant and the refrigerator oil according to .13: The composition for a refrigerator according to claim 12 , wherein the refrigerant is at least one selected ...

COMPOSITIONS AND USES OF CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE

This invention relates to compositions, methods and systems having utility in numerous applications, and in particular, uses for compositions containing the compound cis-1,1,1,4,4,4-hexafluoro-2-butene (Z-HFO-1336mzzm), which has the following structure: 1. A mixture comprising the compound cis-1 ,1 ,1 ,4 ,4 ,4-hexafluoro-2-butene and at least one additional compound selected from the group consisting of HFOs , HFCs , HFEs , CFCs , CO2 , olefins , organic acids , alcohols , hydrocarbons , ethers , aldehydes , ketones , and others such as methyl formate , formic acid , trans-1 ,2 dichloroethylene , carbon dioxide , cis-HFO-1234ze+HFO-1225yez; mixtures of these plus water; mixtures of these plus CO2; mixtures of these trans 1 ,2-dichloroethylene (DCE); mixtures of these plus methyl formate; mixtures with cis-HFO-1234ze+CO2; mixtures with cis-HFO-1234ze+HFO-1225yez+CO2; and mixtures with cis-HFO-1234ze+HFC-245fa.2. (canceled)2. The mixture of claim 1 , wherein the additional compound comprises one or more of the compounds selected from the group consisting of cis-HFO-1234ze; HFO-1234yf; HFO 1225ye(Z); HFO 1225ye(E); HFO1225yc; HFO-1233zd; HFC-1233xf; (CF3)2CFCH═CHF (E & Z); (CF3)2CFCH═CF2; CF3CHFC═CHF (E & Z); and (C2F5)(CF3)C═CH2.3. The mixture of claim 1 , wherein the additional compound comprises one or more of the compounds selected from the group consisting of HFC-245eb; HFC-245ca; HFC-227ea; HFC-236ea; HFC-236fa; HFC-134a; HFC-134; HFC-152a; HFC-32; HFC-125; HFC-143a; HFC-365mfc; HFC-161; and HFC-43-10mee.4. The mixture of claim 1 , wherein the additional compound comprises one or more of the compounds selected from the group consisting of CHF2-O—CHF2; CHF2-O—CH2F; CH2F—O—CH2F; CH2F—O—CH3; cyclo-CF2-CH2-CF2-O; cyclo-CF2-CF2-CH2-O; CHF2-O—CF2-CHF2; CF3-CF2-O—CH2F; CHF2-O—CHF—CF3; CHF2-O—CF2-CHF2; CH2F—O—CF2-CHF2; CF3-O—CF2-CH3; CHF2-CHF—O—CHF2; CF3-O—CHF—CH2F; CF3-CHF—O—CH2F; CF3-O—CH2-CHF2; CHF2-O—CH2-CF3; CH2F—CF2-O—CH2F; CHF2-O—CF2-CH3; CHF2-CF2-O—CH3; CH2F—O— ...

Working Fluid Composition for Refrigerator and Refrigeration Oil

Disclosed is a working fluid composition for a refrigerating machine, comprising a refrigerating machine oil comprising an ester of a polyhydric alcohol and a fatty acid, a carbodiimide compound, and a phosphorous compound, and at least one refrigerant selected from 1, 1, 1,2-tetrafluoroethane and 2,3,3,3-tetrafluoropropene, the fatty acid comprises at least one selected from fatty acids having 4 to 9 carbon atoms, and the carbodiimide compound and the phosphorus compound satisfy the conditions represented by the formula (1): 0.11 ≦ ( N C M C · W C ) ( N P M P · W P ) ≦ 4.70 ( 1 ) wherein, N c represents the number of carbodiimide groups per molecule of the carbodiimide compound, M c represents the molecular weight of the carbodiimide compound, W c represents the content of the carbodiimide compound, N p represents the number of phosphorus atoms per molecule of the phosphorus compound, M p represents the molecular weight of the phosphorus compound, and W p represents the content of the phosphorus compound.

REFRIGERATOR, REFRIGERATOR OIL, WORKING FLUID COMPOSITION FOR REFRIGERATOR

One aspect of the present invention is a refrigerating machine including a refrigerant circulation system including a compressor, a condenser, an expansion mechanism, and an evaporator, and the refrigerant circulation system being filled with a refrigerant and a refrigerating machine oil, wherein the refrigerating machine oil contains: a first base oil having a compatible region with the refrigerant in a range of a temperature of 30° C. or lower and an oil ratio of 1 to 80% by mass; and a second base oil having a kinematic viscosity at 40° C. lower than the first base oil and having a narrower compatible region with the refrigerant than the first base oil. 1. A refrigerating machine comprising a refrigerant circulation system comprising a compressor , a condenser , an expansion mechanism , and an evaporator , and the refrigerant circulation system being filled with a refrigerant and a refrigerating machine oil , whereinthe refrigerating machine oil comprises:a first base oil having a compatible region with the refrigerant in a range of a temperature of 30° C. or lower and an oil ratio of 1 to 80% by mass; anda second base oil having a kinematic viscosity at 40° C. lower than the first base oil and having a narrower compatible region with the refrigerant than the first base oil.2. The refrigerating machine according to claim 1 , wherein the first base oil has a compatible region with the refrigerant in a range of a temperature of 30° C. or lower and an oil ratio of 1 to 5% by mass or 50 to 80% by mass.3. The refrigerating machine according to claim 1 , wherein the second base oil has no compatible region with the refrigerant in a range of 30° C. or lower and an oil ratio of 10 to 40% by mass.4. The refrigerating machine according to claim 1 , wherein the refrigerating machine oil has no compatible region with the refrigerant in a range of a temperature of 30° C. or lower and an oil ratio of 10 to 40% by mass claim 1 , and has a compatible region with the refrigerant ...

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system with which a HCFO or a CFO can more stably lubricate, and a heat cycle system employing the composition. A composition for a heat cycle system comprising a working fluid for heat cycle containing at least one compound selected from predetermined HCFO and CFO, and a mixed refrigeration oil obtained by mixing a naphthenic mineral oil and other predetermined refrigeration oil, wherein the mixed refrigeration oil has a kinematic viscosity at 40° C. of 300 mm/s or lower, a mixed composition 1 of the working fluid for heat cycle and the mixed refrigeration oil at a concentration of the working fluid for heat cycle of 10 mass % has a viscosity at 60° C. of 10 mPas or higher, and a mixed composition 2 of the working fluid for a heat cycle system and the mixed refrigeration oil at a concentration of the mixed refrigeration oil of 5 mass % has a two phase separation temperature of 0° C. or lower, and a heat cycle system, which employs the composition for a heat cycle system. 2. The composition for a heat cycle system according to claim 1 , wherein the mixed refrigeration oil contains a naphthenic mineral oil and at least one member selected from a paraffinic mineral oil claim 1 , an olefin polymer and a polyol ester refrigeration oil.3. The composition for a heat cycle system according to claim 1 , wherein the content of the working fluid for heat cycle is from 40 to 95 mass % based on the entire amount of the composition for a heat cycle system.4. The composition for a heat cycle system according to claim 1 , wherein the content of the mixed refrigeration oil is from 5 to 60 mass % based on the entire amount of the composition for a heat cycle system.5. The composition for a heat cycle system according to claim 1 , wherein the content of the naphthenic mineral oil is from 50 to 90 mass % based on the entire amount of the mixed refrigeration oil.6. The composition for a heat cycle system according to claim 1 , wherein the ...

REFRIGERATOR OIL AND REFRIGERATOR WORKING FLUID COMPOSITION

The present invention provides a refrigerating machine oil comprising at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less as a base oil, and the refrigerating machine oil being used with a trifluoroethylene refrigerant. 1. A refrigerating machine oil comprising at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less as a base oil , and the refrigerating machine oil being used with a trifluoroethylene refrigerant.2. The refrigerating machine oil according to claim 1 , comprising an ester of a fatty acid and a polyhydric alcohol as the oxygen-containing oil claim 1 , the fatty acid comprising a branched fatty acid having 4 to 9 carbon atoms in a proportion of 20 to 100 mol %.3. A working fluid composition for a refrigerating machine comprising:a refrigerating machine oil comprising at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less as a base oil; anda trifluoroethylene refrigerant.4. The working fluid composition for a refrigerating machine according to claim 3 , wherein the refrigerating machine oil comprises an ester of a fatty acid and a polyhydric alcohol as the oxygen-containing oil claim 3 , the fatty acid comprising a branched fatty acid having 4 to 9 carbon atoms in a proportion of 20 to 100 mol %.5. (canceled)6. (canceled) The present invention relates to a refrigerating machine oil and a working fluid composition for a refrigerating machine.Against the background of the recent problem of ozone layer depletion, CFC (chlorofluorocarbon) and HCFC (hydrochloro-fluorocarbon) conventionally used as refrigerants for refrigerating machines are subject to regulation and, instead of them, HFC (hydrofluorocarbon) is becoming widely used as a refrigerant. However, one of the HFC refrigerants, HFC-134a, which is commonly used as a refrigerant for car air conditioners, is subject to regulation in Europe due to its high global ...

COMPOSITIONS AND USES OF CIS-1,1,1,4,4,4-HEXAFLUORO-2-BUTENE

This invention relates to compositions, methods and systems having utility in numerous applications, and in particular, uses for compositions containing the compound cis-1,1,1,4,4,4-hexafluoro-2-butene (Z-HFO-1336mzzm), which has the following structure: 130-. (canceled)31. A method for providing refrigeration comprising:(a) providing a centrifugal chiller system comprising a centrifugal compressor, a condenser, an evaporator and a refrigerant in said system, said refrigerant consisting essentially of from about 70% to about 99% by weight of cis-1,1,1,4,4,4-hexafluoro-2-butene and from about 1% by weight to about 30% by weight of trans-1,2 dichloroethylene; and(b) operating said system to provide cooling.32. The method of wherein said refrigerant consists essentially of from about 75% to about 99% by weight of cis-1 claim 31 ,1 claim 31 ,1 claim 31 ,4 claim 31 ,4 claim 31 ,4-hexafluoro-2-butene and from about 1% by weight to about 25% by weight of trans-1 claim 31 ,2 dichloroethylene.33. The method of wherein said refrigerant consists of from about 70% to about 99% by weight of cis-1 claim 31 ,1 claim 31 ,1 claim 31 ,4 claim 31 ,4 claim 31 ,4-hexafluoro-2-butene and from about 1% by weight to about 30% by weight of trans-1 claim 31 ,2 dichloroethylene.34. The method of wherein said refrigerant consists of from about 75% to about 99% by weight of cis-1 claim 31 ,1 claim 31 ,1 claim 31 ,4 claim 31 ,4 claim 31 ,4-hexafluoro-2-butene and from about 1% by weight to about 25% by weight of trans-1 claim 31 ,2 dichloroethylene.35. The method of wherein said refrigerant consists of about 75% of cis-1 claim 34 ,1 claim 34 ,1 claim 34 ,4 claim 34 ,4 claim 34 ,4-hexafluoro-2-butene and about 25% by weight of trans-1 claim 34 ,2 dichloroethylene.36. The method of wherein said centrifugal chiller system is part of a commercial air conditioning system.37. The method of wherein said operating step (b) comprises operating said condenser at a temperature of about 40° C.38. The method ...

System and method for retrofitting a refrigeration system from hcfc to hfc refrigerant

A system and method for retrofitting a refrigeration system containing an HCFC refrigerant and a compatible lubricant, with an HFC refrigerant, comprising providing a transport container containing a mixture of a miscible lubricant and the HFC refrigerant, removing the HCFC refrigerant from the refrigeration system while maintaining at least a portion of a lubricant immiscible with the HFC refrigerant, and charging the refrigeration system with the mixture. The polyol ester lubricant may be present in a range exceeding about 5-15% by weight, e.g., 8%.

COMPOSITION BASED ON 1,3,3,3-TETRAFLUOROPROPENE

A composition including a lubricant based on polyol esters (POEs) or PVE and a refrigerant F including from 1 to 99% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze) and from 1 to 99% by weight of 1,1,1,2-tetrafluoroethane. Also, the use of the composition including a lubricant and refrigerant in refrigeration, air conditioning and heat pumps. 17-. (canceled)8. A composition comprising at least one lubricant comprising at least one polyol ester or at least one polyvinyl ether and a refrigerant comprising from 5 to 10% by weight of trans-1 ,3 ,3 ,3-tetrafluoropropene (trans-HFO-1234ze) and from 10 to 30% by weight of 1 ,1 ,1 ,2-tetrafluoroethane.9. The composition according to claim 8 , wherein the refrigerant comprises from 5 to 10% by weight of trans-1 claim 8 ,3 claim 8 ,3 claim 8 ,3-tetrafluoropropene (trans-HFO-1234ze) and from 20 to 30% by weight of 1 claim 8 ,1 claim 8 ,1 claim 8 ,2-tetrafluoroethane.10. The composition according to claim 8 , wherein the at least one lubricant comprises at least one polyol ester claim 8 , wherein the at least one polyol ester is obtained from a polyol having a neopentyl backbone.11. The composition according to claim 10 , wherein the polyol having a neopentyl backbone is selected from the group consisting of neopentyl glycol claim 10 , trimethylolpropane claim 10 , and dipentaerythritol.12. The composition according to claim 8 , wherein the at least one lubricant comprises at least one polyol ester claim 8 , wherein the at least one polyol ester is obtained from a linear or branched carboxylic acid containing from 2 to 15 carbon atoms.13. The composition according to claim 8 , wherein the at least one lubricant comprises at least one polyol ester claim 8 , wherein the at least one polyol ester is between 10 and 50% by weight of the composition.14. The composition according to claim 8 , wherein the polyvinyl ether represents between 10 and 50% by weight of the composition.16. The composition according to claim ...

Heat transfer compositions having improved miscibility with lubricating oil

A composition including 2,3,3,3-tetrafluoropropene and a lubricating oil including a polyalkylene glycol and a polyol ester, the polyol ester content in the lubricating oil being less than or equal to 25%. A method of lubricating a vapor compression circuit, the method including using a mixture including a polyalkylene glycol and a polyol ester as lubricating oil in the vapor compression circuit, in combination with a heat transfer fluid comprising 2,3,3,3-tetrafluoropropene, the content of polyol ester in the lubricating oil being less than or equal to 25%. Further, the use of said composition in methods for heating or cooling.

USE OF R-1233 IN LIQUID CHILLERS

This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11. 1. A chiller system comprising a compressor , at least one liquid cooler , at least one condenser , a purge unit , and a refrigerant; wherein said compressor is a centrifugal compressor and said refrigerant comprises 1-chloro-3 ,3 ,3-trifluoropropene , and where in the 1-chloro-3 ,3 ,3-trifluoropropene comprises greater than 70 wt % the trans-isomer.2. The chiller system of wherein said compressor is a centrifugal compressor.3. The chiller system of wherein said compressor is a multistage compressor.4. The chiller system of wherein said multistage compressor is a centrifugal compressor with 2 or 3 stages.5. The chiller system of wherein said compressor is an oil-free compressor.6. The chiller system of wherein said liquid cooler is a flooded evaporated.7. The chiller system of wherein said compressor contains a lubricant.8. The chiller system of wherein said at least one condenser comprises at least one water-cooled condenser.9. The chiller system of wherein said at least one condenser comprises at least one air-cooled condenser.10. The chiller system of wherein one of said at least one condensers of the chiller system is operated at temperatures ranging from about 26.7° C. (80° F.) to 60° C. (140° F.).11. The chiller system of wherein said chiller system is a heat recovery chiller system.12. The heat recovery chiller system of wherein heat is recovered from water leaving said at least one water-cooled condenser.13. The heat recovery chiller system of wherein heat is recovered ...

METHOD OF SELECTING REFRIGERANT-LUBRICANT COMBINATIONS

The present invention provides methods for selecting refrigerant and lubricant combinations for use in heat transfer cycle systems and provides methods for operating said heat transfer system. More particularly, the invention provides methods to select lubricant and refrigerant combinations for a heat transfer cycle system wherein at the lower temperatures of the heat transfer cycle the refrigerant and lubricant are miscible and at the upper temperatures of the heat transfer cycle the refrigerant and lubricant are phase separated and such that the density phase inversion temperature of the combination is below the upper operating temperature of the heat transfer cycle. 1. A method of operating a vapor-compression heat transfer system containing a refrigerant and a lubricant combination comprising:a. determining a lower, evaporator discharge operating temperature range of a vapor-compression heat transfer system;b. determining an upper, compressor discharge operating temperature range of the vapor-compression heat transfer system; andc. wherein said refrigerant is selected from hydrofluorocarbons (HFCs), hydrofluoroolefis (HFOs), hydrochlorofluorocarbos (HCFCs), hydrochlorofluoroolefins (HCFOs), hydrocarbons (HCs), carbon dioxide, ammonia, dimethyl ether, or mixtures thereof at a first concentration and said lubricant is selected from polyalkylene glycols (PAGs), polyol esters (POEs), polyvinyl ethers (PVEs), polyglycols, polyalkylene glycol esters, alkyl benzenes, mineral oils, polyalphaolefins, or mixtures thereof at a second concentration and wherein said refrigerant and said lubricant are miscible at a first temperature within said lower, evaporator discharge operating temperature range and produce a fluid system having a refrigerant-rich phase and a lubricant-rich phase at a second temperature within said upper, compressor discharge operating temperature range provided that said second temperature is higher than said first temperature, wherein the lubricant-rich ...

Heat transfer methods, systems and compositions

Disclosed are refrigerants comprising at least about 97% by weight of a blend of three compounds, said blend consisting of: from about 40% by weight to about 49% by weight difluoromethane (HFC-32), from about 6% by weight to about 12% by weight pentafluoroethane (HFC-125), from about 33% by weight to about 40% by weight trifluoroiodomethane (CF 3 I); and from about 2% by weight to about 12% by weight of trans 1,3,3,3-tetrafluoropropene (trans HFO-1234ze), wherein the percentages are based on the total weight of the three compounds in the blend, and systems and method using same.

REFRIGERANT COMPRESSOR AND FREEZING APPARATUS USING SAME

Refrigerant compressor includes electromotive element, and compression element that is driven by electromotive element, includes a slider, and compresses a refrigerant. Freezer oil that lubricates the slider is added with fullerene having a diameter that ranges from 100 pm to 10 nm. 1. A refrigerant compressor comprising:an electromotive element; anda compression element that is driven by the electromotive element, includes a slider, and compresses a refrigerant,wherein a freezer oil that lubricates the slider is added with a fullerene having a diameter that ranges from 100 pm to 10 nm.2. The refrigerant compressor according to claim 1 , wherein one of a C60 fullerene, a C70 fullerene, and a higher-order fullerene including a larger number of carbons than a number of carbons of the C70 fullerene; or', 'a mixed fullerene obtained by mixing at least two of the C60 fullerene, the C70 fullerene, and the higher-order fullerene., 'the fullerene is3. The refrigerant compressor according to claim 1 , wherein a shape of the fullerene is spherical or elliptic.4. The refrigerant compressor according to claim 1 , wherein an additive amount of the fullerene is less than or equal to a saturating amount of dissolution with respect to the freezer oil.5. The refrigerant compressor according to claim 1 , whereinthe refrigerant compressed by the compression element is a hydrofluorocarbon (HFC) refrigerant or a mixed refrigerant including the HFC refrigerant, and one of ester oil, alkylbenzene oil, polyvinyl ether, and polyalkylene glycol; or', 'mixed oil of at least two of the ester oil, the alkylbenzene oil, the polyvinyl ether, and the polyalkylene glycol., 'the freezer oil is6. The refrigerant compressor according to claim 1 , wherein one natural refrigerant of R600a, R290, and R744; or', 'a mixed refrigerant that includes at least one of the R600a, the R290, and the R744, and, 'the refrigerant compressed by the compression element is one of mineral oil, ester oil, alkylbenzene oil ...

COMPOSITION BASED ON 2,3,3,3-TETRAFLUOROPROPENE

A composition including a lubricant based on polyol esters (POEs) or polyvinyl ether (PVE) and a refrigerant F including from 1 to 99% by weight of 2,3,3,3-tetrafluoropropene (HFO-1234yf) and from 1 to 99% by weight of trans-1,3,3,3-tetrafluoropropene (trans-HFO-1234ze). Also, the use of the composition in refrigeration, air conditioning and heat pumps. 1. Composition comprising at least one lubricant comprising polyol esters or polyvinyl ether and a refrigerant F comprising from 1 to 99% by weight of 2 ,3 ,3 ,3-tetrafluoropropene (HFO-1234yf) and from 1 to 99% by weight of trans-1 ,3 ,3 ,3-tetrafluoropropene (trans-HFO-1234ze).2. Composition according to claim 1 , characterized in that the refrigerant F comprises from 5 to 70% by weight of 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene (HFO-1234yf) and from 30 to 95% by weight of trans-1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene (trans-HFO-1234ze).3. Composition according to claim 1 , characterized in that the refrigerant F comprises from 25 to 55% by weight of 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene (HFO-1234yf) and from 45 to 75% by weight of trans-1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene (trans-HFO-1234ze).4. Composition according to claim 1 , characterized in that the polyol esters are obtained from polyols having a neopentyl backbone.5. Composition according to claim 4 , characterized in that the polyol having a neopentyl backbone is selected from the group consisting of neopentyl glycol claim 4 , trimethylolpropane claim 4 , pentaerythritol and dipentaerythritol.6. Composition according to claim 1 , characterized in that the polyol esters are obtained from a linear or branched carboxylic acid containing from 2 to 15 carbon atoms.7. Composition according to claim 1 , characterized in that the polyol esters comprise between 10 and 50% by weight of the composition. The present application is a continuation of U.S. application Ser. No. 13/232,165, filed on Sep. 14, 2011 ...

WORKING FLUID COMPOSITION FOR REFRIGERATOR, AND REFRIGERATOR OIL

The present invention provides a working fluid composition for a refrigerating machine, comprising a refrigerating machine oil that comprises an ester of a polyhydric alcohol and a fatty acid, an epoxy compound, and a phosphorus compound, and a fluoropropene refrigerant, wherein the polyhydric alcohol constituting the ester comprises pentaerythritol and dipentaerythritol, the fatty acid constituting the ester comprises at least one selected from fatty acids having 4 to 9 carbon atoms, and the epoxy compound and the phosphorus compound satisfy a condition represented by the following formula (1). 2. The working fluid composition for a refrigerating machine according to claim 1 , wherein the ester comprises a mixture of a first ester being an ester of pentaerythritol and at least one fatty acid selected from fatty acids having 4 to 9 carbon atoms and a second ester being an ester of dipentaerythritol and at least one fatty acid selected from fatty acids having 4 to 9 carbon atoms.3. The working fluid composition for a refrigerating machine according to claim 2 , wherein a content of the second ester is 10% by mass or more and 40% by mass or less based on a total of a content of the first ester and the content of the second ester.4. The working fluid composition for a refrigerating machine according to claim 1 , further comprising 0.1% by mass or more and 0.4% by mass or less of 2 claim 1 ,6-di-tert.-butyl-p-cresol based on the total amount of the refrigerating machine oil.5. The working fluid composition for a refrigerating machine according to claim 1 , wherein the fluoropropene refrigerant is at least one selected from 1 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene (HFO-1234ze) and 2 claim 1 ,3 claim 1 ,3 claim 1 ,3-tetrafluoropropene (HFO-1234yf). The present invention relates to a working fluid composition for a refrigerating machine and to a refrigerating machine oil.CFC (chlorofluorocarbons) and HCFC (hydrochloro-fluorocarbons), which have conventionally ...

Refrigerator oil and working fluid composition for refrigerators

The invention provides a refrigerating machine oil comprising as a base oil at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less, and being used in combination with a (Z)-1,1,1,4,4,4-hexafluoro-2-butene refrigerant.

Compounds

The present invention relates to compounds according to formula (Ia) or formula (Ib);wherein each W is independently selected from the group consisting of H, F, Cl, Br, I and (CY2)mCY3; each Y is independently selected from the group consisting of F, Cl, Br and I; each Z is independently selected from the group consisting of H, OH, (CW2)pCW3, CY3, OCW3, O(CW2)pCW3, OCW((CY2)mCY3)CWCW2, (CW2)pOH, polyalkylene glycol and polyolester; n is an integer from 2 to 49; m is an integer from 0 to 3; p is an integer from 0 to 9; the molecular weight average (MW) is ≤5500; and the polydispersity index is ≤1.45; compositions comprising these compounds and methods for their production.

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system, which comprises a working fluid for heat cycle which has a low global warming potential and high stability, and which can replace R410A, and a heat cycle system employing the composition. A composition for a heat cycle system, which comprises a working fluid for heat cycle containing trifluoroethylene, and a stabilizer for preventing deterioration of the working fluid for heat cycle, such as an oxidation resistance-improving agent, a heat resistance-improving agent or a metal deactivator, and a heat cycle system employing the composition for a heat cycle system. 1. A composition for a heat cycle system , comprising:a working fluid for heat cycle comprising trifluoroethylene and a hydrofluoroolefin other than trifluoroethylene; anda stabilizer for preventing deterioration of the working fluid for heat cycle.2. The composition for a heat cycle system according to claim 1 , wherein the stabilizer is at least one stabilizer selected from an oxidation resistance-improving agent claim 1 , a heat resistance-improving agent and a metal deactivator.3. The composition for a heat cycle system according to claim 2 , wherein the stabilizer is at least one compound selected from the group consisting of a phenol compound claim 2 , an unsaturated hydrocarbon group-containing aromatic compound claim 2 , an aromatic amine compound claim 2 , an aromatic thiazine compound claim 2 , a terpene compound claim 2 , a quinone compound claim 2 , a nitro compound claim 2 , an epoxy compound claim 2 , a lactone compound claim 2 , an orthoester compound claim 2 , a mono- or di-alkali metal salt compound of phthalic acid claim 2 , and a thiodiphenyl ether hydroxide compound.4. The composition for a heat cycle system according to claim 1 , wherein a content of the stabilizer in the composition is at least 1 mass ppm.5. The composition for a heat cycle system according to claim 1 , further comprising a refrigerant oil.6. The composition for a heat ...

REFRIGERATION APPARATUS

A refrigeration apparatus includes a compressor, a first heat exchanger, an expansion mechanism, and a second heat exchanger. The compressor compresses low-pressure gas refrigerant and discharges high-pressure gas refrigerant. The first heat exchanger condenses high-pressure gas refrigerant and discharges high-pressure liquid refrigerant during an air-cooling operation, or evaporates low-pressure gas-liquid mixed refrigerant and discharges low-pressure gas refrigerant during an air-heating operation. The expansion mechanism has metal components. High-pressure liquid refrigerant passes through the expansion mechanism, and becomes low-pressure gas-liquid mixed refrigerant. The second heat exchanger evaporates low-pressure gas-liquid mixed refrigerant and discharges low-pressure gas refrigerant during an air-cooling operation, or condenses high-pressure gas refrigerant and discharges high-pressure liquid refrigerant during an air-heating operation. The refrigerant contains at least 60 wt % of R32. An acid scavenger added in an amount of 1.0 wt % to 5.0 wt % is blended in refrigerator oil for lubricating the compressor. 1. A refrigeration apparatus comprising:a compressor, the compressor compressing low-pressure gas refrigerant and discharging high-pressure gas refrigerant;a first heat exchanger, the first heat exchanger condensing high-pressure gas refrigerant and discharging high-pressure liquid refrigerant during an air-cooling operation, the first heat exchanger evaporating low-pressure gas-liquid mixed refrigerant and discharging low-pressure gas refrigerant during an air-heating operation;an expansion mechanism, the expansion mechanism having metal components, high-pressure liquid refrigerant passing through the expansion mechanism, and becoming low-pressure gas-liquid mixed refrigerant; anda second heat exchanger, the second heat exchanger evaporating low-pressure gas-liquid mixed refrigerant and discharging low-pressure gas refrigerant during an air-cooling ...

Lubricant And Refrigerant Compositions Comprising Polyalkylene Glycols And Uses Thereof

The invention relates to a lubricating oil composition and a refrigerant composition containing a polyalkylene glycol having a terpenoid end group, such as a farnesol end group.

Refrigerating-machine oil and working-fluid composition for refrigerating machine

The invention provides a refrigerating machine oil comprising, as a base oil, at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less, and the refrigerating machine oil being used with a 1-chloro-3,3,3-trifluoropropene refrigerant. 1. A refrigerating machine oil comprising , as a base oil , at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less , andthe refrigerating machine oil being utilized with a 1-chloro-3,3,3-trifluoropropene refrigerant.2. The refrigerating machine oil according to claim 1 , comprising claim 1 , as the oxygen-containing oil claim 1 , an ester of a fatty acid and a polyhydric alcohol claim 1 , wherein a ratio of C4 to C20 fatty acids in the fatty acid is from 20 to 100% by mole.3. The refrigerating machine oil according to claim 1 , wherein the 1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene refrigerant is a trans-1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene refrigerant.4. A working fluid composition for a refrigerating machine comprising:a refrigerating machine oil comprising as a base oil at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 5.8 or less, anda 1-chloro-3,3,3-trifluoropropene refrigerant.5. The working fluid composition for a refrigerating machine according to claim 4 , wherein the refrigerating machine oil comprises claim 4 , as the oxygen-containing oil claim 4 , an ester of a fatty acid and a polyhydric alcohol claim 4 , wherein a ratio of C4 to C20 fatty acids in the fatty acid is from 20 to 100% by mole.6. The working fluid composition for a refrigerating machine according to claim 4 , wherein the 1-chloro-3 claim 4 ,3 claim 4 ,3-trifluoropropene refrigerant is a trans-1-chloro-3 claim 4 ,3 claim 4 ,3-trifluoropropene refrigerant.78.-. (canceled) The present invention relates to a refrigerating machine oil, and a working fluid composition for a refrigerating machine; use of a composition ...

REFRIGERATING-MACHINE OIL AND WORKING-FLUID COMPOSITION FOR REFRIGERATING MACHINE

The invention provides a refrigerating machine oil comprising a hydrocarbon-based base oil, the refrigerating machine oil having a viscosity index of 120 or less, and being used with a 1-chloro-3,3,3-trifluoropropene refrigerant. 1. A refrigerating machine oil comprising a hydrocarbon-based base oil ,the refrigerating machine oil having a viscosity index of 120 or less, and being utilized with a 1-chloro-3,3,3-trifluoropropene refrigerant.2. The refrigerating machine oil according to claim 1 , wherein the hydrocarbon-based base oil has a viscosity index of 120 or less.3. The refrigerating machine oil according to claim 1 , wherein the hydrocarbon-based base oil has a % Cof 10 or more and 75 or less.4. The refrigerating machine oil according to claim 1 , wherein the 1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene refrigerant is a trans-1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoropropene refrigerant.5. A working fluid composition for a refrigerating machine claim 1 , comprising:a refrigerating machine oil comprising a hydrocarbon-based base oil, the refrigerating machine oil having a viscosity index of 120 or less, anda 1-chloro-3,3,3-trifluoropropene refrigerant.6. The working fluid composition for a refrigerating machine according to claim 5 , wherein the hydrocarbon-based base oil has a viscosity index of 120 or less.7. The working fluid composition for a refrigerating machine according to claim 5 , wherein the hydrocarbon-based base oil has a % Cof 10 or more and 75 or less.8. The working fluid composition for a refrigerating machine according to claim 5 , wherein the 1-chloro-3 claim 5 ,3 claim 5 ,3-trifluoropropene refrigerant is a trans-1-chloro-3 claim 5 ,3 claim 5 ,3-trifluoropropene refrigerant.9. (canceled)10. (canceled) The present invention relates to a refrigerating machine oil, and a working fluid composition for a refrigerating machine; use of a composition containing a hydrocarbon-based base oil for a refrigerating machine oil or a working fluid ...

REFRIGERATOR OIL AND WORKING FLUID COMPOSITION FOR REFRIGERATORS

The present invention provides a refrigerating machine oil comprising: an ester of a polyhydric alcohol and a fatty acid as a base oil; and an ether compound of a polyhydric alcohol, the refrigerating machine oil being used with an unsaturated hydrofluorocarbon refrigerant. 1. A refrigerating machine oil comprising:an ester of a polyhydric alcohol and a fatty acid as a base oil; andan ether compound of a polyhydric alcohol.3. The refrigerating machine oil according to claim 1 , wherein a content of the ether compound is 0.4% by mass or less based on a total amount of the refrigerating machine oil.4. A working fluid composition for a refrigerating machine comprising:a refrigerating machine oil; andan unsaturated hydrofluorocarbon refrigerant, an ester of a polyhydric alcohol and a fatty acid as a base oil; and', 'an ether compound of a polyhydric alcohol., 'wherein the refrigerating machine oil comprises5. The working fluid composition for a refrigerating machine according to claim 4 , wherein the unsaturated hydrofluorocarbon is at least one selected from 1 claim 4 ,3 claim 4 ,3 claim 4 ,3-tetrafluoropropene and 2 claim 4 ,3 claim 4 ,3 claim 4 ,3-tetrafluoropropene.7. The working fluid composition for a refrigerating machine according to claim 4 , wherein a content of the ether compound is 0.4% by mass or less based on a total amount of the refrigerating machine oil. The present invention relates to a refrigerating machine oil and a working fluid composition for a refrigerating machine.Refrigerating machines such as refrigerators, car air-conditioners, room air-conditioners, and automatic vending machines have a compressor for circulating a refrigerant in a refrigeration cycle. The compressor is charged with a refrigerating machine oil for lubricating a sliding part. Thus, the refrigerating machine oil coexists with the refrigerant in the refrigerating machine and, therefore, the refrigerating machine oil is required to have properties such as: lubricity, and ...

Refrigeration apparatus

A refrigeration apparatus includes a heat source unit, a utilization unit, and a liquid refrigerant pipe and gas refrigerant pipe. The utilization unit has utilization unit internal pipelines. The liquid refrigerant pipe and the gas refrigerant pipe connect the heat source unit and the utilization unit internal pipelines. A refrigerant circulates through the heat source unit, the utilization unit, the liquid refrigerant pipe, and the gas refrigerant pipe. The refrigerant contains a compound represented by a molecular formula having one or more carbon-carbon unsaturated bonds. A disproportionation inhibitor for reducing a disproportionation reaction of the refrigerant is applied to at least a part of inner surfaces of the liquid refrigerant pipe, the gas refrigerant pipe, and the utilization unit internal pipelines.

REFRIGERATOR OIL

The present invention provides a refrigerating machine oil comprising a hydrocarbon-based base oil having a viscosity index of 120 or less, and the refrigerating machine oil being used with a 1-chloro-2,3,3,3-tetrafluoropropene refrigerant. 1. A refrigerating machine oil comprising a hydrocarbon-based base oil ,the refrigerating machine oil having a viscosity index of 120 or less, and being used with a 1-chloro-2,3,3,3-tetrafluoropropene refrigerant.2. The refrigerating machine oil according to claim 1 , wherein the hydrocarbon-based base oil has a viscosity index of 120 or less.3. The refrigerating machine oil according to claim 1 , wherein the hydrocarbon-based base oil has a % Cof 10 to 75.4. The refrigerating machine oil according to claim 1 , further comprising at least one additive selected from the group consisting of an acid scavenger claim 1 , an antioxidant claim 1 , an extreme-pressure agent claim 1 , an oiliness agent claim 1 , an antifoaming agent claim 1 , a metal deactivator claim 1 , an antiwear agent claim 1 , a viscosity index improver claim 1 , a pour-point depressant claim 1 , a detergent dispersant claim 1 , a friction modifier and a rust inhibitor.5. (canceled)6. (canceled)7. A working fluid composition for a refrigerating machine comprising:a refrigerating machine oil comprising a hydrocarbon-based base oil, the refrigerating machine oil having a viscosity index of 120 or less, anda 1-chloro-2,3,3,3-tetrafluoropropene refrigerant.8. The working fluid composition for a refrigerating machine according to claim 7 , wherein the hydrocarbon-based base oil has a viscosity index of 120 or less.9. The working fluid composition for a refrigerating machine according to claim 7 , wherein the hydrocarbon-based base oil has a % Cof 10 to 75.10. The working fluid composition for a refrigerating machine according to claim 7 , wherein the refrigerating machine oil further comprises at least one additive selected from the group consisting of an acid scavenger ...

Lubricant for Low Global Warming Potential Refrigerant Systems

The disclosed technology relates to a working fluid for a low global warming potential (GWP) refrigeration system that includes a compressor, where the working fluid includes a polyolester oil, an alkylbenzene oil, and a low GWP refrigerant, and where the ester based lubricant comprises dipentaerythritol esterified with a mixture of carboxylic acids, wherein the mixture of carboxylic acids comprises at least one linear carboxylic acid having 8 to 10 carbon atoms. The disclosed technology provides commercially useful low GWP working fluids (commercially useful working fluids based on low GWP refrigerants) that do not have the solubility and/or miscibility problems commonly seen in low GWP fluids, including high viscosity fluids and applications. 1. A working fluid for a low global warming potential refrigeration system comprising a compressor comprising:(a) a lubricating oil component comprising (i) a polyolester oil, wherein the polyolester oil comprises dipentaerythritol esterified with a mixture of carboxylic acids, wherein the mixture of carboxylic acids comprises at least one linear carboxylic acid having 8 to 10 carbon atoms and (ii) an alkylbenzene; and(b) a refrigerant comprising hydrofluoroolefin-1336mzzZ/trans-1,2-dichloroethylene.2. The working fluid of claim 1 , wherein the polyolester oil has a neat viscosity of 150 cSt to 180 cSt measured at 40° C. according to ASTM D445.3. The working fluid of claim 1 , wherein the alkylbenzene has a neat viscosity of 3 cSt to 100 cSt measured at 100° C. according to ASTM D445.4. The working fluid of claim 1 , wherein the polyolester oil comprises 10 mol % to 20 mol % of a linear carboxylic acid having 8 carbon atoms.5. The working fluid of claim 1 , wherein the polyolester oil comprises 5 mol % to 12 mol % of a linear carboxylic acid having 10 carbon atoms.6. The working fluid of claim 1 , wherein the polyolester oil comprises 10 mol % to 20 mol % dipentareythritol claim 1 , 0 mol % to 10 mol % of a linear carboxylic ...

Lubricant oil composition for compression refrigerator

The present invention is able to provide a lubricating oil composition for compression refrigerating machine having excellent thermal/chemical stability even when used for a compression refrigerating machine using a saturated fluorinated hydrocarbon refrigerant having a low carbon number and a low global warming potential, by using a refrigerant containing a saturated fluorinated hydrocarbon having from 1 to 3 carbon atoms, which uses, as a base oil, an oxygen-containing organic compound composed of at least one member selected from a polyoxyalkylene glycol, a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol and a polyvinyl ether, a copolymer of a poly(oxy)alkylene glycol monoether and a polyvinyl ether, and a polyol ester, each having a hydroxyl value of not more than 15 mgKOH/g.

BLENDED REFRIGERANT FOR USE IN STATIONARY AND/OR MOBILE AIR CONDITIONING SYSTEMS CONTAINING R-134a, R-152a, R-744 AND R-1234yf

A refrigerant composition of R-1234yf, R-134a, R-744 and R-152a is described, wherein R-152a and R-134a comprise 16% by weight or less of the overall composition. The refrigerant compositions may be utilized in heat transfer systems as an efficient and environmentally safe refrigerant. 1. A refrigerant composition comprising R-134a , R-152a , R-1234yf and R-744 , wherein R-134a and R-152a account for 16% or less by weight of the composition.2. The refrigerant composition of claim 1 , wherein R-134a comprises 10% or less of the composition.3. The refrigerant composition of claim 1 , wherein R-152a comprises 6% or less of the composition.4. The refrigerant composition of claim 1 , wherein R-744 comprises 15% or less by weight of the composition.5. The refrigerant composition of claim 1 , wherein the composition consists essentially of R-152a claim 1 , R-744 claim 1 , R-134a and R-1234yf.6. The refrigerant composition of claim 1 , wherein R-152a and R-134a comprise 15% or less of the composition.7. The refrigerant composition of claim 6 , wherein R-1234yf and R-744 comprise 85% or more of the composition.8. The composition of claim 7 , wherein R-1234yf comprises at least 51% of the composition.9. The composition of claim 7 , wherein R-1234yf comprises 70% of the composition.10. A refrigerant working fluid comprising the refrigerant composition of and a lubricant.11. The refrigerant working fluid of claim 10 , wherein the lubricant is selected from the group consisting of poly alkylene glycol (PAG) claim 10 , poly vinyl ether (PVE) and polyol ester oil (POE).12. A heat transfer device comprising the composition of .13. A method for cooling a space comprising operating a heat transfer device within the space claim 11 , wherein the heat transfer device utilizes the composition of to transfer heat from the space. This document relates generally to a refrigerant composition for heat transfer in cooling systems, such as air-conditioners and heat pumps.Heat transfer systems ...

Refrigerator lubricating oil and mixed composition for refrigerator

Disclosed herein is a mixed composition for a refrigerator, the mixed composition containing: a refrigerant containing at least one unsaturated fluorinated hydrocarbon compound selected from compounds represented by the following molecular formula (1): C p F r H s (1), provided that the compound has one or more carbon-carbon unsaturated bond in a molecule: and a refrigerator lubricating oil containing, as a major component, a polyoxyalkylene glycol compound represented by the following general formula (2), and containing a phenothiazine compound in an amount of 1.0% by mass or more based on the total amount of the refrigerator lubricating oil: R 1 —[(OR 2 ) m —OR 3 ] n (2). A mixed composition for a refrigerator is provided having a lower possibility of autoignition in a high temperature environment even during unexpected leakage in a refrigerator using a refrigerant containing a slightly flammable refrigerant. A refrigerator lubricating oil is provided that is capable of being applied to the mixed composition.

COMPOSITION FOR HEAT CYCLE SYSTEM AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system having favorable lubricating properties and comprising a working fluid for heat cycle which has a low global warming potential and which can replace R410A and a heat cycle system employing the composition. 1. A composition for a heat cycle system comprising a working fluid for heat cycle containing 1 ,2-difluoroethylene , and a refrigerant oil.2. The composition for a heat cycle system according to claim 1 , wherein 1 claim 1 ,2-difluoroethylene is trans-1 claim 1 ,2-difluoroethylene claim 1 , cis-1 claim 1 ,2-difluoroethylene or a mixture thereof.3. The composition for a heat cycle system according to claim 1 , wherein the refrigerant oil is at least one member selected from an ester refrigerant oil claim 1 , an ether refrigerant oil and a hydrocarbon refrigerant oil.4. The composition for a heat cycle system according to claim 1 , wherein the kinematic viscosity of the refrigerant oil at 40° C. is from 1 to 750 mm/s.5. The composition for a heat cycle system according to claim 1 , wherein the proportion (carbon/oxygen molar ratio) of carbon atoms to oxygen atoms of the refrigerant oil is from 2 to 7.5.6. The composition for a heat cycle system according to claim 1 , wherein the working fluid for heat cycle further contains at least one member selected from a saturated hydrofluorocarbon.7. The composition for a heat cycle system according to claim 6 , wherein the saturated hydrofluorocarbon is at least one member selected from difluoromethane claim 6 , 1 claim 6 ,1-difluoroethane claim 6 , 1 claim 6 ,1 claim 6 ,1 claim 6 ,2-tetrafluoroethane and pentafluoroethane.8. The composition for a heat cycle system according to claim 1 , wherein the working fluid for heat cycle further contains at least one member selected from a hydrofluorocarbon having a carbon-carbon double bond other than 1 claim 1 ,2-difluoroethylene.9. The composition for a heat cycle system according to claim 8 , wherein the hydrofluorocarbon having a ...

Lubricating oil composition for refrigerating machines

A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a hydrocarbon compound having a biphenyl structure or a stilbene structure. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated chlorofluorocarbon refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous.

WORKING FLUID COMPOSITION FOR REFRIGERATOR

The working fluid composition for a refrigerating machine of the present invention comprises a refrigerant comprising a first refrigerant component and a second refrigerant component, and having a global warming potential (GWP) of 500 or less, wherein the first refrigerant component is at least one selected from difluoromethane and tetrafluoropropene, and the second refrigerant component is at least one selected from carbon dioxide and a hydrocarbon having 3 to 4 carbon atoms; and a refrigerating machine oil comprising at least one selected from a polyol ester, a polyvinyl ether arid a polyalkylene glycol compound as a base oil, wherein a carbon/oxygen molar ratio of the base oil is 2.5 or more and 5.8 or less. 4. The working fluid composition for a refrigerating machine according to claim 1 , wherein the hydrocarbon having 3 to 4 carbon atoms is propane or isobutane claim 1 , and a global warming potential of the refrigerant is 300 or less.5. The working fluid composition for a refrigerating machine according to claim 1 , wherein a mass ratio of the refrigerant to the refrigerating machine oil is 90:10 to 30:70.6. The working fluid composition for a refrigerating machine according to claim 1 , wherein the polyol ester has a carbon/oxygen molar ratio of from 4.0 to 5.0 claim 1 , and the polyol ester is obtainable by synthesis from a fatty acid having 4 to 9 carbon atoms and a polyhydric alcohol having 4 to 12 carbon atoms. The present application is a Divisional Application of U.S. application Ser. No. 14/387,079, filed on Sep. 22, 2014, which is a U.S. National Stage Application of International Patent Application No. PCT/JP2013/058587 filed Mar. 25, 2013, which claims priority to Japanese Application No. 2012-157976 filed on Jul. 13, 2012 and Japanese Application No. 2012-072310 filed on Mar. 27, 2012. The disclosures of U.S. Application No. 14/387,079 and International Patent Application No. PCT/JP2013/058587 are incorporated by reference herein their entireties. ...

Working fluid composition for refrigerator

The working fluid composition for a refrigerating machine of the present invention comprises a mixed refrigerant comprising a hydrofluoroethane represented by the following formula (A), difluoromethane and tetrafluoropropene, and a refrigerating machine oil comprising at least one selected from a polyol ester, a polyvinyl ether and a polyalkylene glycol compound as a base oil, wherein a carbon/oxygen molar ratio of the base oil is 2.5 or more and 5.8 or less. C 2 H n F 6-n   (A) [n represents 1 or 2.]

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

To provide a composition for a heat cycle system, which comprises a working fluid for heat cycle which has a low global warming potential and high stability, and which can replace R410A, and a heat cycle system employing the composition. 115-. (canceled)16. A composition for a heat cycle system , comprising:a working fluid; anda stabilizer;wherein:the working fluid comprises:30-50 mass % trifluoroethylene based on a total mass of working fluid; and50-70 mass % 1,3,3,3-tetrafluoropropene based on a total mass of the working fluid.17. The composition for a heat cycle system of claim 16 , wherein the 1 claim 16 ,3 claim 16 ,3 claim 16 ,3-tetrafluoropropene is HFO-1234ze(E).18. The composition for a heat cycle system of claim 16 , further comprising a refrigerant oil.19. An air conditioning apparatus claim 16 , comprising the composition for a heat cycle system of .20. An automobile claim 16 , comprising an air conditioning apparatus having the composition for a heat cycle system of contained therein.21. The composition for a heat cycle system of claim 16 , wherein the working fluid comprises:30-40 mass % trifluoroethylene based on a total mass of working fluid; and60-70 mass % 1,3,3,3-tetrafluoropropene based on a total mass of the working fluid.22. The composition for a heat cycle system of claim 21 , wherein the 1 claim 21 ,3 claim 21 ,3 claim 21 ,3-tetrafluoropropene is HFO-1234ze(E).23. The composition for a heat cycle system of claim 21 , further comprising a refrigerant oil.24. An air conditioning apparatus claim 21 , comprising the composition for a heat cycle system of .25. An automobile claim 21 , comprising an air conditioning apparatus having the composition for a heat cycle system of contained therein.26. The composition for a heat cycle system of claim 16 , wherein the working fluid consists of trifluoroethylene and 1 claim 16 ,3 claim 16 ,3 claim 16 ,3-tetrafluoropropene.27. The composition for a heat cycle system of claim 26 , wherein the 1 claim 26 ,3 ...

COMPOSITIONS CONTAINING CHLOROFLUOROOLEFINS OR FLUOROOLEFINS

Compositions and methods based on the use of fluoroalkene containing from 3 to 4 carbon atoms and at least one carbon-carbon double bond, such as HFO-1214, HFO-HF0-1233, or HF0-1354 having properties highly beneficial in foaming and blowing agent applications, articles and methods. 2. The composition of wherein said one or more compounds in accordance with Formula II consist essentially of 1-chloro-3 claim 1 ,3 claim 1 ,3-trifluoro-I-propene (CF—CH═CHCl.)3. The composition of wherein said composition consists essentially of said mineral oil and said 1-chloro-3 claim 2 ,3 claim 2 ,3-trifluoro-I-propene.4. The composition of wherein said 1-chloro-3 claim 3 ,3 claim 3 ,3-trifluoro-1-propene is present in the composition n amount of at least about 20% by weight and said mineral oil is present in the composition in an amount of at least about 20% claim 3 ,5. The composition of wherein said 1-chloro-3.3.3-trifluoro-1-propene is present in the composition amount of at least about 30% by weight.6. The composition of wherein said 1-chloro-3 claim 3 ,3 claim 3 ,3-trifluoro-1-propene is present in the composition in amount of at least about 50% by weight.7. The composition of wherein said mineral oil is present in the composition in an amount of at least about 20%.8. The composition of wherein said 1-chloro-3 claim 2 ,3 claim 2 ,3-trifluoro-1-propene is present in the composition in amount of at least about 70% by weight.9. The composition of wherein said composition consists essentially of said mineral oil and said 1-chloro-3 claim 8 ,3:3-trifluoro-I-propene.10. The composition of wherein said wherein said 1-chloro-3 claim 2 ,3 claim 2 ,3-trifluoro-1-propene:mineral oil weight ratio is from about 80:20 to about 20:80.11. The composition of wherein said 1-chloro-3 claim 2 ,3 claim 2 ,3-trifluoro-1-propene and said mineral oil are miscible.12. The composition of wherein said 1-chloro-3 claim 11 ,3 claim 11 ,3-trifluoro-1-propene is present in the composition in amount of at ...

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 15-. (canceled)6. A composition comprising HFC-1234yf and HFC-134a; wherein said HFC-1234yf is present at about 20 weight percent to about 99 weight percent.7. The composition of claim 6 , wherein said HFC-1234yf is present at about 40 weight percent to about 99 weight percent.8. The composition of claim 6 , wherein said HFC-1234yf is present at about 50 weight percent to about 99 weight percent.9. The composition of claim 6 , consisting essentially of about 30 weight percent to about 99 weight percent HFC-1234yf and about 70 weight percent to about 1 weight percent HFC-134a.10. The composition of claim 6 , further comprising a lubricant selected from the group consisting of polyol esters claim 6 , polyalkylene glycols claim 6 , polyvinyl ethers claim 6 , mineral oil claim 6 , alkylbenzenes claim 6 , synthetic paraffins claim 6 , synthetic napthenes claim 6 , and poly(alpha)olefins.11. The composition of claim 6 , further comprising a stabilizer claim 6 , water scavenger claim 6 , or odor masking agent.12. The composition of claim 6 , wherein said stabilizer is selected from the group consisting of nitromethane claim 6 , hindered phenols claim 6 , hydroxylamines claim 6 , thiols claim 6 , phosphites and lactones.13. A method of producing cooling claim 6 , said method comprising: evaporating said composition of in the vicinity of a body to be cooled and thereafter condensing said composition.14. A method of producing heat claim 6 , said method comprising: condensing said composition of in the vicinity of a body to be heated and thereafter evaporating said ...

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 114-. (canceled)15. A composition comprising HFO-1234yf , HFC-32 , HFC-125 , and HFC-134a.16. The composition of wherein the composition comprises from about 20 weight percent to about 98 weight percent HFO-1234yf.17. The composition of further comprising at least one lubricant selected from the group consisting of mineral oils claim 15 , alkylbenzenes claim 15 , synthetic paraffins claim 15 , synthetic naphthenes claim 15 , poly alpha olefins claim 15 , polyalkylene glycols claim 15 , dibasic acid esters claim 15 , polyesters claim 15 , neopentyl esters claim 15 , polyvinyl ethers claim 15 , silicones claim 15 , silicate esters claim 15 , fluorinated compounds claim 15 , phosphate esters and mixtures thereof.181. A process to produce cooling comprising condensing a composition of claim and thereafter evaporating said composition in the vicinity of a body to be cooled.191. A process to produce heat comprising condensing the composition of claim in the vicinity of a body to be heated and thereafter evaporating said composition.20. A method for replacing R12 claim 15 , R134a claim 15 , R22 claim 15 , R404A claim 15 , R407A claim 15 , R407C claim 15 , R410A claim 15 , R422A claim 15 , R422B claim 15 , R422C claim 15 , R422D claim 15 , R438A claim 15 , R502 claim 15 , R507A claim 15 , R507B claim 15 , or R508 claim 15 , in a system that uses claim 15 , used or was designed to use R12 claim 15 , R134a claim 15 , R22 claim 15 , R404A claim 15 , R407A claim 15 , R407C claim 15 , R410A claim 15 , R422A claim 15 , R422B claim 15 , R422C claim 15 , R422D claim 15 , ...

Low-Oil Refrigerants and Vapor Compression Systems

A vapor compression system () has: a centrifugal compressor () having an inlet () and an outlet (); and an electric motor () having a stator () and a rotor (). A plurality of bearings () support the rotor. A refrigerant charge comprises a base refrigerant and one or more oils. The one or more oils are present at a total concentration of - parts per million (ppm) by weight. 120. A vapor compression system () comprising:{'b': '22', 'claim-text': [{'b': 40', '42, 'an inlet () and an outlet (); and'}, {'b': '28', 'claim-text': [{'b': '30', 'a stator (); and'}, {'b': '32', 'a rotor ();'}], 'an electric motor () having, {'b': '36', 'a plurality of bearings () supporting the rotor;'}], 'a centrifugal compressor () havinga refrigerant charge comprising a base refrigerant and one or more oils, wherein:the plurality of bearings are rolling element bearings;wherein the system lacks an oil separator and oil reservoir; andthe one or more oils are present at a total concentration of 80-5000 parts per million (ppm) by weight.2. The system of further comprising:a protective coating on the bearings, the coating comprising a metal-halide based under layer and a carbonaceous polymer upper layer.3. The system of further comprising:{'b': '58', 'a condenser ();'}{'b': '88', 'an evaporator ();'}{'b': 94', '24, 'a suction line () along a flowpath between the evaporator and an inlet of a first stage () of the compressor;'}{'b': 48', '26', '50, 'a flowpath leg from a discharge () of the first stage to a second stage () inlet (); and'}{'b': 56', '42', '60, 'a discharge line () along a flowpath between a discharge () of the second stage and an inlet () of the condenser.'}4. The system of lacking an oil separator and an oil reservoir.5. The system of wherein:the charge is at least 95% by weight said base refrigerant.6. (canceled)7. The system of wherein:the base refrigerant is one or more hydrofluoroolefins, hydrochloroolefins, and/or hydrochlorofluoroolefins.8. The system of wherein:the base ...

Refrigerator Oil, and Working Fluid Composition for Refrigerators

The present invention provides a refrigerating machine oil comprising a polyvinylether having a structural unit represented by the following formula (1): 2. A working fluid composition for a refrigerating machine , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the refrigerating machine oil according to ; and'}a mildly flammable hydrofluorocarbon refrigerant.3. The working fluid composition for a refrigerating machine according to claim 2 , wherein the mildly flammable hydrofluorocarbon refrigerant comprises at least one selected from difluoromethane claim 2 , 1 claim 2 ,3 claim 2 ,3 claim 2 ,3-tetrafluoropropene claim 2 , and 2 claim 2 ,3 claim 2 ,3 claim 2 ,3-tetrafluoropropene.45-. (canceled) The present invention relates to a refrigerating machine oil, a working fluid composition for a refrigerating machine, use of a composition containing a polyvinylether for a refrigerating machine oil or a working fluid composition for a refrigerating machine, and use of a polyvinylether for manufacturing a refrigerating machine oil or a working fluid composition for a refrigerating machine, and a method of flame-retarding a refrigerating machine.CFCs (chlorofluorocarbons) and HCFCs (hydrochlorofluorocarbons), which have been conventionally used as refrigerants for refrigeration equipment, have become objects of regulations due to the problem of recent ozone layer depletion, and HFCs (hydrofluorocarbons) are used as refrigerants instead of them.In the case of using a CFC or HCFC as a refrigerant, hydrocarbon oils such as mineral oil and alkylbenzenes have been used suitably as a refrigerating machine oil. However, depending on the type of the coexistent refrigerant, the refrigerating machine oil may exhibit unpredictable behavior in, for example, compatibility with the refrigerant, lubricity, solution viscosity with the refrigerant, and thermal and chemical stability, and therefore the refrigerating machine oil needs to be developed for each refrigerant. Thus, ...

LEAK DETECTOR SENSOR SYSTEMS USING TAG-SENSITIZED REFRIGERANTS

A leak detection system for a refrigerant circuit is provided. The refrigerant circuit is sealed and circulates a working fluid having a refrigerant (e.g., flammable refrigerant) and an oil. A reducing tag component is solubilized within the refrigerant. The leak detection system also includes a sensor for detecting the tag component if the refrigerant should leak from the refrigerant circuit. The sensor is highly sensitive to the tag component and thus enhanced detection is enabled. The tag component is stable in the working fluid and does not affect the flammability rating or performance of the refrigerant or oil. The tag component is present at a concentration of from about 50 ppm to about 35,000 ppm in the refrigerant. Methods of detecting leaks from refrigeration systems are also provided. 1. A refrigerant leak detection system comprising:a refrigerant circuit that circulates a working fluid comprising a flammable refrigerant and an oil;a reducing tag component solubilized within the flammable refrigerant that substantially remains in the flammable refrigerant rather than in the oil, wherein the tag component is present at a concentration of greater than or equal to about 50 ppm to less than or equal to about 35,000 ppm in the flammable refrigerant; anda sensor associated with the refrigerant circuit configured to detect the reducing tag component if the flammable refrigerant leaks from the refrigerant circuit, wherein the sensor has a sensitivity ratio for the reducing tag component of less than about 0.5 in air at a concentration of 100 ppm.2. The system according to claim 1 , wherein the refrigerant circuit comprises a compressor claim 1 , an evaporator claim 1 , an expansion device claim 1 , and a condenser.3. The system according to claim 1 , wherein the reducing tag component remains stable and inert for at least 500 hours of refrigerant circuit use.4. The system according to claim 1 , wherein the reducing tag component is selected from the group ...

REFRIGERATOR OIL

The present invention provides a refrigerating machine oil comprising, as a base oil, at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 7.5 or less, and the refrigerating machine oil being used with a 1-chloro-2,3,3,3-tetrafluoropropene refrigerant. 1. A refrigerating machine oil comprising , as a base oil , at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 7.5 or less , andthe refrigerating machine oil being used with a 1-chloro-2,3,3,3-tetrafluoropropene refrigerant.2. The refrigerating machine oil according to claim 1 , comprising claim 1 , as the oxygen-containing oil claim 1 , an ester of a fatty acid and a polyhydric alcohol claim 1 , wherein a ratio of C4-20 fatty acids in the fatty acid is from 20 to 100% by mole.3. The refrigerating machine oil according to claim 1 , further comprising at least one additive selected from the group consisting of an acid scavenger claim 1 , an antioxidant claim 1 , an extreme-pressure agent claim 1 , an oiliness agent claim 1 , an antifoaming agent claim 1 , a metal deactivator claim 1 , an antiwear agent claim 1 , a viscosity index improver claim 1 , a pour-point depressant claim 1 , a detergent dispersant claim 1 , a friction modifier and a rust inhibitor.4. (canceled)5. (canceled)6. A working fluid composition for a refrigerating machine comprising:a refrigerating machine oil comprising, as a base oil, at least one oxygen-containing oil having a carbon/oxygen molar ratio of 2.5 or more and 7.5 or less, anda 1-chloro-2,3,3,3-tetrafluoropropene refrigerant.7. The working fluid composition for a refrigerating machine according to claim 6 , wherein the refrigerating machine oil comprises claim 6 , as the oxygen-containing oil claim 6 , an ester of a fatty acid and a polyhydric alcohol claim 6 , wherein a ratio of C4-20 fatty acids in the fatty acid is from 20 to 100% by mole.8. The working fluid composition for a refrigerating machine according to ...

REFRIGERANT BLEND OF R-744 and R-1234yf FOR USE IN STATIONARY OR MOBILE AIR CONDITIONING SYSTEMS USING PAG, POE OR PVE LUBE OIL

A refrigerant composition of R-1234yf and R-744 is disclosed. In some embodiments, the R-744 is 5% or less by weight of the composition. In instances where PVE is utilized as a lubricant with the refrigerant, R-744 may be 50% or less of the composition. Systems utilizing the refrigerant and methods of using such are also disclosed. 1. A refrigerant composition comprising at least 95% R-1234yf and 5% or less R-744.2. The refrigerant composition of claim 1 , wherein the refrigerant composition consists essentially of at least 95% R-1234yf and 5% or less R-744.3. The refrigerant composition of claim 1 , wherein R-1234yf is at least 96% of the refrigerant composition.4. The refrigerant composition of claim 3 , wherein R-744 is less than 4% of the refrigerant composition.5. The refrigerant composition of claim 1 , wherein R-1234yf is at least 97% of the refrigerant composition.6. The refrigerant composition of claim 5 , wherein R-744 is less than 3% of the refrigerant composition.7. The refrigerant composition of claim 1 , wherein R-1234yf is at least 98% of the refrigerant composition.8. The refrigerant composition of claim 7 , wherein R-744 is less than 2% of the refrigerant composition.9. The refrigerant composition of claim 1 , wherein R-1234yf is at least 99% of the refrigerant composition.10. The refrigerant composition of claim 1 , wherein R-744 is less than 1% of the refrigerant composition.11. The refrigerant composition of claim 1 , wherein R-1234yf is at least 99.5% of the refrigerant composition.12. The refrigerant composition of claim 11 , wherein R-744 is less than 0.5% of the refrigerant composition.13. A composition for an air conditioning unit comprising the refrigerant composition of and a lubricant.14. The composition of claim 13 , wherein the lubricant is selected from the group consisting of poly alkylene glycol claim 13 , poly vinyl ether and polyol ester oil.15. A heat transfer device incorporating the composition of .16. A method for cooling a ...

Refrigeration cycle apparatus

A refrigeration cycle is filled with a single component refrigerant of a substance having a property of undergoing disproportionation reaction or a mixed refrigerant containing a substance having a property of undergoing disproportionation reaction and a refrigerating machine oil miscible with the refrigerant.

REFRIGERATOR COMPOSITION

The present invention relates to a composition for refrigerator containing a mixed refrigerant, and a refrigerator oil containing a base oil (P), the mixed refrigerant containing a saturated fluorinated hydrocarbon compound (HFC) and an unsaturated fluorinated hydrocarbon compound (HFO), the saturated fluorinated hydrocarbon compound (HFC) containing at least difluoromethane (R32) and 1,1,1,2,2-pentafluoroethane (R125) in the particular amounts, the base oil (P) containing one or more kind selected from the group consisting of a polyvinyl ether (PVE), a polyalkylene glycol (PAG), and a polyol ester (POE), and the base oil (P) having a hydroxy number of 15 mgKOH/g or less.

Trifluoroethylene-based compositions and uses thereof

The present invention also relates to the uses thereof in refrigeration, air conditioning and heat pumps.

Compositions comprising a fluoroolefin

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 15-. (canceled)6. A mobile air-conditioning apparatus containing a composition comprising HFC-1234yf and at least one compound selected from trans-HFC-1234ze , cis-HFC-1234ze , HFC-1243zf , HFC-32 , and CO.7. The apparatus of claim 6 , wherein the composition comprises HFC-1234yf and at least one compounds selected from trans-HFC-1234ze and CO.8. The apparatus of claim 6 , wherein the composition consists of HFC-1234yf claim 6 , trans-HFC-1234ze claim 6 , and CO.9. The apparatus of claim 6 , wherein the composition comprises HFC-1234yf and at least one compound selected from trans-HFC-1234ze claim 6 , cis-HFC-1234ze claim 6 , and HFC-1243zf.10. The apparatus of claim 6 , wherein the composition comprises HFC-1234yf and at least one compound selected from trans-HFC-1234ze and HFC-32.11. The apparatus of claim 6 , wherein the composition comprises HFC-1234yf and at least one compound selected from HFC-32 and CO.12. The apparatus of claim 6 , wherein the composition consists of HFC-1234yf and HFC-32.13. The apparatus of claim 12 , wherein the composition consists of from about 40 to 99 weight percent HFC-1234yf and from about 1 to 60 weight percent HFC-32.14. The apparatus of claim 6 , wherein said composition further comprises at least one lubricant selected from the group consisting of polyol esters claim 6 , polyalkylene glycols claim 6 , polyvinyl ethers claim 6 , mineral oil claim 6 , alkylbenzenes claim 6 , synthetic paraffins claim 6 , synthetic napthenes claim 6 , and poly(alpha)olefins.15. The apparatus of claim 6 , wherein said composition further ...

Use of r-1233 in liquid chillers

This invention relates to the use of chloro-trifluoropropenes as refrigerants in negative-pressure liquid chillers and methods of replacing an existing refrigerant in a chiller with chloro-trifluoropropenes. The chloro-trifluoropropenes, particularly 1-chloro-3,3,3-trifluoropropene, have high efficiency and unexpectedly high capacity in liquid chiller applications and are useful as more environmentally sustainable refrigerants for such applications, including the replacement of R-123 and R-11.

Refrigerator oil composition

A refrigerator oil composition containing an epoxy compound (X) having at least one of an olefin skeleton and a terpene skeleton, and a base oil (Y).

FLUORINATED ALKENE REFRIGERANT COMPOSITIONS

Liquid compositions for use in compression refrigeration, air-conditioning and heat pump systems in which a fluoroalkene containing from 3 to 4 carbon atoms and at least 1 but no more than 2 double bonds is combined with an effective amount to provide lubrication of an essentially miscible organic lubricant comprised of carbon, hydrogen and oxygen and having a ratio of oxygen to carbon effective to provide a degree of miscibility with said fluoroalkene so that when up to five weight percent of lubricant is added to said fluoroalkene the refrigerant has one liquid phase at at least one temperature between −40 and +70° C. Methods for producing refrigeration and heating with the fluoroalkenes, alone or in combination with the disclosed lubricants, are also disclosed. 1. A liquid composition for use in compression refrigeration , air-conditioning and heat pump systems comprising:(A) a fluoroalkene containing from 3 to 4 carbon atoms and at least 1 but no more than 2 double bonds; and(B) an effective amount to provide lubrication of an essentially miscible organic lubricant comprised of carbon, hydrogen and oxygen and having a ratio of oxygen to carbon effective to provide a degree of miscibility with said fluoroalkene so that when up to five weight percent of lubricant is added to said fluoroalkene the mixture has one liquid phase at at least one temperature between −40 and +70° C.2. The composition of claim 1 , wherein the mixture has one liquid phase when up to five weight percent of lubricant is added to said fluoroalkene.3. The composition of claim 2 , wherein the mixture has one liquid phase when up to 20 weight percent of lubricant is added to said fluoroalkene.4. The composition of claim 3 , wherein the mixture has one liquid phase in all proportions of fluoroalkene and lubricant.5. The composition of claim 1 , wherein the mixture has one liquid phase over essentially the entire temperature range.6. The composition of claim 1 , wherein said lubricant is selected ...

REFRIGERANT LUBE SYSTEM

In one embodiment, a compressor assembly is provided. The compressor assembly includes a compressor having an inlet, an outlet, and at least one bearing, the compressor configured to compress a first refrigerant. The assembly further includes a lubrication supply conduit fluidly coupled to the compressor and configured to supply a lubricant to the at least one bearing. The lubricant is a second refrigerant. 1. A compressor assembly comprising:a compressor having an inlet, an outlet, and at least one bearing, the compressor configured to compress a first refrigerant; anda lubrication supply conduit fluidly coupled to the compressor and configured to supply a lubricant to the at least one bearing, wherein the lubricant is a second refrigerant.2. The compressor assembly of claim 1 , wherein the first refrigerant is a medium pressure refrigerant and the second refrigerant is a low pressure refrigerant.3. The compressor assembly of claim 1 , wherein the at least one bearing comprises angular contact bearings having lube spacer therebetween claim 1 , wherein the lubrication supply conduit supplies the lubricant to the lube spacer.4. The compressor assembly of claim 1 , wherein the compressor further comprises at least one seal claim 1 , and a bearing cavity housing the at least one bearing claim 1 , wherein the seal is configured to supply compressed first refrigerant from the compressor outlet to the bearing cavity.5. The compressor assembly of claim 1 , wherein the second refrigerant comprises chlorine.6. The compressor assembly of claim 1 , wherein the second refrigerant comprises 1233zd(e).7. The compressor assembly of claim 1 , wherein the second refrigerant comprises at least one of an extreme pressure additive and an anti-wear additive.8. The compressor assembly of claim 7 , wherein the extreme pressure additive comprises at least one of phosphorous and sulfur.9. A refrigeration system comprising:a refrigerant circuit comprising a refrigerant conduit fluidly ...

COMPRESSOR AND REFRIGERATION CYCLE APPARATUS

A compressor is configured to form a refrigerant circuit using refrigerant containing a substance having such a property as to cause a disproportionation reaction, and includes a shell serving as an outer shell, a compression chamber installed inside the shell, the compression chamber being configured to compress the sucked refrigerant, cause the compressed refrigerant to flow into the shell to place the shell under a high-pressure refrigerant atmosphere, and discharge the compressed refrigerant externally, and a motor configured to feed power to the compressor. With the configuration described above, a disproportionation reaction is made unlikely to occur. As a result, the substance having such a property as to cause a disproportionation reaction can be used safely as the refrigerant. 1. A compressor configured to form a part of a refrigerant circuit circulating refrigerant , the compressor comprising:a hermetic container serving as an outer shell;a compression chamber installed inside the hermetic container, the compression chamber being configured to compress the refrigerant containing a substance having such a property as to cause a disproportionation reaction, which is sucked, cause the compressed refrigerant to flow into the hermetic container to place the hermetic container under a high-pressure refrigerant atmosphere, and discharge the compressed refrigerant externally; anda motor configured to feed power to the compression chamber,{'sup': '10', 'refrigerating machine oil having miscibility with the refrigerant and having a volume resistivity at 20 degrees Celsius of 2×10Ω·m or more being filled.'}2. The compressor of claim 1 , wherein the refrigerant in a two-phase state is sucked.3. The compressor of claim 2 , wherein the refrigerant in the two-phase state is quality of 0.8 or higher and 0.99 or lower.4. The compressor of claim 1 , wherein an insulating material for the motor comprises a resin material.5. The compressor of claim 4 , wherein one or more ...

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 15-. (canceled)6. A composition comprising trans-HFC-1234ze and HFC-227ea; wherein said trans-HFC-1234ze is present at about 20 weight percent to about 99 weight percent.7. The composition of claim 6 , wherein said trans-HFC-1234ze is present at about 40 weight percent to about 99 weight percent.8. The composition of claim 6 , wherein said trans-HFC-1234ze is present at about 50 weight percent to about 99 weight percent.9. The composition of claim 6 , consisting essentially of about 20 weight percent to about 80 weight percent trans-HFC-1234ze and about 80 weight percent to about 20 weight percent HFC-227ea.10. The composition of claim 6 , further comprising a lubricant selected from the group consisting of polyol esters claim 6 , polyalkylene glycols claim 6 , polyvinyl ethers claim 6 , mineral oil claim 6 , alkylbenzenes claim 6 , synthetic paraffins claim 6 , synthetic napthenes claim 6 , and poly(alpha)olefins.11. The composition of claim 6 , further comprising a stabilizer claim 6 , water scavenger claim 6 , or odor masking agent.12. The composition of claim 6 , wherein said stabilizer is selected from the group consisting of nitromethane claim 6 , hindered phenols claim 6 , hydroxylamines claim 6 , thiols claim 6 , phosphites and lactones.13. A method of producing cooling claim 6 , said method comprising: evaporating said composition of in the vicinity of a body to be cooled and thereafter condensing said composition.14. A method of producing heat claim 6 , said method comprising: condensing said composition of in the vicinity of a body to be heated and ...

COMPOSITIONS COMPRISING A FLUOROOLEFIN

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 15-. (canceled)6. A composition comprising HFC-1234yf , HFC-32 and HFC-125; wherein said HFC-1234yf is present at about 20 weight percent to about 99 weight percent.7. The composition of claim 6 , wherein said HFC-1234yf is present at about 20 weight percent to about 80 weight percent.8. The composition of claim 6 , wherein said HFC-1234yf is present at about 20 weight percent to about 70 weight percent.9. The composition of claim 6 , further comprising a lubricant selected from the group consisting of polyol esters claim 6 , polyalkylene glycols claim 6 , polyvinyl ethers claim 6 , mineral oil claim 6 , alkylbenzenes claim 6 , synthetic paraffins claim 6 , synthetic napthenes claim 6 , and poly(alpha)olefins.10. The composition of claim 6 , further comprising a stabilizer claim 6 , water scavenger claim 6 , or odor masking agent.11. The composition of claim 6 , wherein said stabilizer is selected from the group consisting of nitromethane claim 6 , hindered phenols claim 6 , hydroxylamines claim 6 , thiols claim 6 , phosphites and lactones.12. A method of producing cooling claim 6 , said method comprising: evaporating said composition of in the vicinity of a body to be cooled and thereafter condensing said composition.13. A method of producing heat claim 6 , said method comprising: condensing said composition of in the vicinity of a body to be heated and thereafter evaporating said composition.14. A method for replacing a high GWP refrigerant in a refrigeration claim 6 , air-conditioning claim 6 , or heat pump apparatus claim 6 , wherein said high GWP refrigerant ...

Use of pve lubricants with substitute refrigerants in a mobile air conditioning system

A heat transfer composition for use in a mobile air-conditioning system in a vehicle, includes a first component comprised of a hydrofluoroolefin refrigerant. A second component of the composition includes a polyvinylether lubricant. The heat transfer composition is compatible for use in a mobile air-conditioning system when the mobile air-conditioning system is powered by a mechanically driven compressor, and is also compatible for use in the mobile air-conditioning system when the mobile air-conditioning system is powered by an electrically driven compressor built-in to the mobile air-conditioning system.

STABLE 2,3,3,3-TETRAFLUOROPROPENE COMPOSITION

A stable composition (CS) including at least x wt.- % 2,3,3,3-tetrafluoropropene (99.8 ÿ x <100), at most y wt.- % unsaturated compound(s) (Ia) (0 Подробнее

HEAT TRANSFER COMPOSITIONS, METHODS, AND SYSTEMS

The present invention relates to a refrigerant composition, including difluoromethane (HFC-32), pentafluoroethane (HFC-125), and trifluoroiodomethane (CFI) for use in a heat exchange system, including air conditioning and refrigeration applications and in particular aspects to the use of such compositions as a replacement of the refrigerant R-410A for heating and cooling applications and to retrofitting heat exchange systems, including systems designed for use with R-410A. 1. A refrigerant comprising at least about 97% by weight of the following three compounds , with each compound being present in the following relative percentages:39 to 45% by weight difluoromethane (HFC-32),1 to 4% by weight pentafluoroethane (HFC-125), and51 to 57% by weight trifluoroiodomethane (CF3I).2. The refrigerant of comprising at least about 99.5% by weight of the following three compounds claim 1 , with each compound being present in the following relative percentages: 39 to 45% by weight difluoromethane (HFC-32) claim 1 ,1 to 4% by weight pentafluoroethane (HFC-125), and51 to 57% by weight trifluoroiodomethane (CF3I).3. The refrigerant of consisting of the following three compounds claim 1 , with each compound being present in the following relative percentages:39 to 45% by weight difluoromethane (HFC-32),1 to 4% by weight pentafluoroethane (HFC-125), and51 to 57% by weight trifluoroiodomethane (CF3I).4. The refrigerant of comprising at least about 97% by weight of the following three compounds claim 1 , with each compound being present in the following relative percentages:about 41 to about 43% by weight difluoromethane (HFC-32),1 to 4% by weight pentafluoroethane (HFC-125), andabout 53 to about 56% by weight trifluoroiodomethane (CF3I).5. The refrigerant of comprising at least about 99.5% by weight of the following three compounds claim 4 , with each compound being present in the following relative percentages:about 41 to about 43% by weight difluoromethane (HFC-32),1 to 4% by weight ...

COMPOSITIONS, SYSTEM AND METHODS FOR INTRODUCING POE LUBRICANT INTO AN ELECTRIC (HEV, PHEV, EV) AUTOMOTIVE AIR-CONDITIONING/HEATING SYSTEM OR STATIONARY AIR-CONDITIONING/HEATING SYSTEM OR STATIONARY REFRIGERATION SYSTEM USING LOWER OR LOW GWP REFRIGERANT OR REFRIGERANT BLENDS

Compositions, systems and methods for introducing lubricants, and additives, that are designed to work with environmentally friendly refrigerants into vehicle heat management systems including passenger compartment air conditioning (A/C) systems are disclosed. Methods for charging lubricants and specific additives using environmentally desirable (low GWP) refrigerant or refrigerant blend compositions into an environmentally friendly system, such as a system that uses HFO-1234yf, are also disclosed. 150802050. A composition comprising about to about wt % polyol ester (POE) lubricant and about to about wt % refrigerant , wherein the refrigerant exhibits a global warming potential (GWP) of less than about 150 wherein the lubricant is miscible with the refrigerant at over a temperature range of −18° C. to 37° C. at a pressure of 160 kPa to 945 kPa within a sealed container when measured using ASHRAE 97:2007 and wherein the lubricant comprises less than 50 ppm water when measured in accordance with ASTM E284.2. The composition of further comprising about 1 to about 5 wt % acid scavengers.3. The composition of claim 2 , wherein the acid scavengers comprise at least one member selected from the group consisting of hexamethyldisiloxane claim 2 , polydimethylsiloxane claim 2 , polymethylphenylsiloxane claim 2 , dodecamethylpentasiloxane claim 2 , decamethylcyclo-pentasiloxane claim 2 , decamethyltetrasiloxane claim 2 , or octamethyltrisiloxane.4. The composition of further comprising about 1 to about 5 wt % performance enhancers.5. The composition of further comprising about 1 to about 10 wt % of flame suppressants.6. A container comprising the composition of configured to deliver the composition into a vehicle air conditioning system.7. The container of claim 6 , wherein the pressure within the container is 160 kPa to 945 kPa.8. A method for delivering a POE lubricant into a vehicle air conditioning system comprising connecting a container comprising the composition of to ...

HEAT PUMP APPARATUS

A heat pump apparatus is provided in which refrigerant circulates between an indoor unit and an outdoor unit, wherein the refrigerant is a mixed refrigerant of HFO-1123 and an HFC refrigerant other than HFO-1123, the outdoor unit has a cooling capacity (kW) in the range of 2.2 to 9.5 kW, the outer diameter φ (mm) of a gas pipe between the indoor unit and the outdoor unit and the cooling capacity (kW) of the outdoor unit satisfy the relation (1.00≦outer diameter φ (mm) of gas pipe/cooling capacity (kW) of outdoor unit≦5.77), and the outer diameter φ (mm) of a liquid pipe between the indoor unit and the outdoor unit and the cooling capacity (kW) of the outdoor unit satisfy the relation (0.67≦outer diameter φ (mm) of liquid pipe/cooling capacity (kW) of outdoor unit≦5.77). 1. A heat pump apparatus comprising:an indoor unit;an outdoor unit having a cooling capacity (kW) in the range of 2.2 to 9.5 kW;a refrigerant circulating between the indoor unit and the outdoor unit, the refrigerant being a mixed refrigerant of HFO-1123 and an HFC refrigerant other than HFO-1123;a gas pipe communicating between the indoor unit and the outdoor unit; anda liquid pipe communicating between the indoor unit and the outdoor unit, [{'br': None, '1.00≦an outer diameter φ(mm) of the gas pipe/the cooling capacity (kW) of the outdoor unit≦5.77\u2003\u2003(1)'}, {'br': None, '0.67≦an outer diameter φ(mm) of the liquid pipe/the cooling capacity (kW) the of outdoor unit≦5.77\u2003\u2003(2)'}], 'the gas pipe and the outdoor unit being configured to satisfy the following formula (1), and the liquid pipe and the outdoor unit being configured to satisfy the following formula (2)2. A heat pump apparatus comprising:a plurality of indoor units;at least one outdoor unit having a cooling capacity (kW) of 10 kW or more and less than 40 kW;a refrigerant circulating between the plurality of indoor units and the at least one outdoor unit, the refrigerant being a mixed refrigerant of HFO-1123 and an HFC ...

COMPOSITIONS COMPRISING TETRAFLUOROPROPENE AND METHODS OF USE THEREOF

The present invention relates to a composition comprising HFO-1234yf, or trans-HFO-1234ze, or a mixture thereof; HFC-32; and HFC-152a, HFO-1243zf, or a mixture thereof, wherein said composition is selected from the group consisting of: 1. A composition comprising HFO-1234yf or trans-HFO-1234ze or a mixture thereof; HFC-32; and HFC-152a , HFO-1243zf , or a mixture thereof; wherein said composition is selected from the group consisting of:(I) a first composition, wherein said HFO-1234yf or trans-HFO-1234ze or a mixture thereof is at least 56 weight percent of the total weight of said first composition;(II) a second composition, wherein said HFC-32 is at most 29 weight percent of the total weight of said second composition;(III) a third composition, wherein said HFC-152a is at least 56 weight percent of the total weight of said third composition;(IV) a fourth composition, wherein said HFC-32 is at least 56 weight percent of the total weight of said fourth composition;(V) a fifth composition comprising trans-HFO-1234ze; HFC-32; and HFC-152a, HFO-1243zf or mixture thereof; and(VI) a sixth composition, wherein said HFO-1243zf or mixture thereof with HFC-152a is at most 20 weight percent of the total weight of said sixth composition.2. The composition as recited in claim 1 , wherein said composition has a cooling capacity in the range of from about 75% to about 130% of at least one existing refrigerant.3. The composition as recited in claim 2 , wherein said existing refrigerant is selected from the group consisting of R-22 claim 2 , HFC-134a claim 2 , R-404A claim 2 , and R-407C.4. The composition as recited in claim 3 , wherein the flammability of said composition is classified at most as 2L.5. The composition as recited in claim 1 , comprising from about 56 to about 98 weight percent HFO-1234yf or trans-HFO-1234ze or a mixture thereof claim 1 , from about 1 to about 29 weight percent HFC-32 claim 1 , and from about 1 to about 18 weight percent HFC-152a claim 1 , HFO- ...

SYSTEM AND METHOD FOR RETROFITTING A REFRIGERATION SYSTEM FROM HCFC TO HFC REFRIGERANT

A system and method for retrofitting a refrigeration system containing an HCFC refrigerant and a compatible lubricant, with an HFC refrigerant, comprising providing a transport container containing a mixture of about 5-15% by weight of a miscible lubricant and the HFC refrigerant, removing the HCFC refrigerant from the refrigeration system while maintaining at least a portion of a lubricant immiscible with the HFC refrigerant, and charging the refrigeration system with the mixture. 1. A kit for retrofitting a refrigeration system from an HCFC refrigerant mixed with a compressor lubricant consisting of a mineral oil or alkyl benzene lubricant , to an HFC refrigerant compatible with a polyol ester lubricant , comprising:a U.S. Department of Transportation compliant refrigerant transport container; andan HFC refrigerant mixed with a compatible hygroscopic polyol ester compressor lubricant, in an amount of 5-20% by weight of the HFC refrigerant, within the U.S. Department of Transportation compliant transport container.2. The kit according to claim 1 , wherein the HFC refrigerant comprises a blend of difluoromethane (R-32) claim 1 , pentafluoroethane (R-125) claim 1 , and 1 claim 1 ,1 claim 1 ,1 claim 1 ,2-tetrafluoroethane (R-134a).3. The kit according to claim 1 , wherein the HFC comprises R-407C.4. The kit according to claim 1 , wherein the compatible hygroscopic polyol ester compressor lubricant is present in an amount of 8% by weight of the HFC refrigerant5. The kit according to claim 1 , wherein the compatible hygroscopic polyol ester compressor lubricant is present in an amount of 5-15% by weight of the HFC refrigerant.6. The kit according to claim 1 , wherein the U.S. Department of Transportation compliant refrigerant transport container is compliant at least one of DOT-39 claim 1 , DOT 3 claim 1 , DOT 3A claim 1 , DOT 3AA claim 1 , DOT 3AL claim 1 , DOT 3B claim 1 , DOT 3BN claim 1 , DOT 3E claim 1 , DOT 4B claim 1 , DOT 4BA claim 1 , DOT 4B240ET claim 1 , DOT ...

Compositions comprising a fluoroolefin

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.

ROTATING ELECTRIC MACHINE, STATOR OF ROTATING ELECTRIC MACHINE, AND COMPRESSOR

Provided is a stator of a rotating electric machine including: a stator core; windings of multiple phases wound around the stator core via insulators attached to the stator core; and tab terminals that each have at least one slit and a plate-shaped tab and that electrically connect an end portion of a winding, of one of the multiple phases, of the windings to an end portion of an other of the windings of a different one of the multiple phases, wherein a portion of each of the insulators or a resin component different from the insulators has a connection terminal insertion hole into which the tab terminal is inserted, and the connection terminal insertion hole is formed on a circle centered on a shaft center of the stator, and a plate surface of the tab of the tab terminal to be inserted into the connection terminal insertion hole is placed to be tangential to the circle. 1. A stator of a rotating electric machine comprising:a stator core;windings of multiple phases wound around the stator core via insulators attached to the stator core; andtab terminals that each have at least one slit and a plate-shaped tab inserted into a flag receptacle and that electrically connect an end portion of a winding, of one of the multiple phases, of the windings to an end portion of an other of the windings of a different one of the multiple phases,wherein a portion of each of the insulators or a resin component different from the insulators has a connection terminal insertion hole into which the tab terminal is inserted,the connection terminal insertion hole is formed on a circle centered on a shaft center of the stator, and a plate surface of the tab of the tab terminal to be inserted into the connection terminal insertion hole is placed to be tangential to the circle, andthe tab is configured to protrude from the connection terminal insertion hole when the tab terminal is inserted to the connection terminal insertion hole.2. The stator of a rotating electric machine of claim 1 , ...

METHOD FOR SELECTING LUBRICANTS FOR HEAT PUMPS

Provided is a method for selecting a lubricant and a refrigerant for use in a vapor-compression refrigeration device such that the combination of the lubricant and refrigerant produces a fluid system having a lubricant-rich phase and a refrigerant-rich phase, yet exhibits miscible-type properties. 1. A method for selecting a refrigerant and lubricant for a vapor-compression refrigeration device system comprising:a. determining a lower operating temperature range of a vapor-compression refrigeration device;b. determining an upper operating temperature range of the vapor-compression refrigeration device; and{'sub': 2', '5, 'c. selecting a refrigerant comprising at least one Cto Cfluoroalkene at a first concentration and selecting a lubricant comprising at least one polyol ester, polyalkylene glycol, or polyalkylene glycol ester at a second concentration to produce a fluid system having a refrigerant-rich phase and a lubricant-rich phase at a first temperature within said lower operating temperature range and at a second temperature within said upper operating temperature range provided that said second temperature is higher than said first temperature, wherein the refrigerant-rich phase is denser relative to the lubricant-rich phase at said first temperature and wherein the lubricant-rich phase is denser relative to the refrigerant-rich phase at said second temperature, provided that the relative difference in densities between the two phases is less than 20% at said first temperature and less than 20% at said second temperature.'}2. The method of wherein said refrigerant-rich phase and said lubricant-rich phase are liquid and are substantially immiscible with each other at said first and second temperatures.3. The method of wherein said refrigerant has a density within a range of about 0.8 g/cmto about 1.2 g/cmwhen measured at a temperature within a range of about 25° C. to about 50° C. and wherein said lubricant has a density within a range of about 0.7 g/cmto about ...

COMPRESSOR AND REFRIGERATION CYCLE DEVICE USING SAME

A compressor uses a refrigerant containing R1123 (1,1,2-trifluoroethylene) as a working fluid, and uses a polyol ester oil as a compressor lubricating oil. In addition, a fixed scroll and a revolving scroll each having a spiral lap rising from an end plate, and a compression chamber which is formed by meshing the fixed scroll and the revolving scroll, are provided. In addition, a discharge hole which is provided at a center position of the end plate of the fixed scroll, and is open to a discharge chamber, a bypass hole which is provided in the end plate of the fixed scroll, and communicates with the compression chamber and the discharge chamber at a timing different from a timing at which the compression chamber communicates with the discharge hole, and a check valve which is provided in the bypass hole, and allows a flow from the compression chamber side to the discharge chamber side. 1. A compressor which uses a refrigerant containing 1 ,1 ,2-trifluoroethylene as a working fluid , and uses a polyol ester oil as a compressor lubricating oil , comprising:a fixed scroll and a revolving scroll each having a spiral lap rising from an end plate;a compression chamber which is formed by meshing the fixed scroll and the revolving scroll;a discharge hole which is provided at a center position of the end plate of the fixed scroll, and is open to a discharge chamber;a bypass hole which is provided in the end plate of the fixed scroll, and communicates with the compression chamber and the discharge chamber at a timing different from a timing at which the compression chamber communicates with the discharge hole; anda check valve which is provided in the bypass hole, and allows a flow from a compression chamber side to a discharge chamber side.2. The compressor of claim 1 ,wherein the check valve is a reed valve provided on an end plate surface of the fixed scroll.3. The compressor of claim 1 ,wherein the discharge chamber always communicates with the compression chamber via the ...

HEAT TRANSFER METHODS, SYSTEMS AND COMPOSITIONS

The present invention relates to a refrigerant composition, including difluoromethane (HFC-32), pentafluoroethane (HFC-125), and trifluoroiodomethane (CFI) for use in a heat exchange system, including air conditioning and refrigeration applications and in particular aspects to the use of such compositions as a replacement of the refrigerant R-410A for heating and cooling applications and to retrofitting heat exchange systems, including systems designed for use with R-410A. 1. A heat transfer composition comprising a refrigerant consisting of:from 48% by weight to 51% by weight difluoromethane (HFC-32),11.5%+/−1% by weight pentafluoroethane (HFC-125), andfrom 36.5% by weight to 40.5% by weight trifluoroiodomethane (CF3I), wherein said refrigerant is non-flammable when tested in accordance with ASTM E681-2009 as required in ASHRAE Standard 34-2013 and described in Appendix B1 to ASHRAE Standard 34-2013.2. The heat transfer composition of wherein said CF3I is present in said refrigerant in an amount of about 38.5% by weight.3. The heat transfer composition of wherein said HFC-125 is present in said refrigerant in an amount of 11.5%+/−0.5% by weight.4. The heat transfer composition of wherein said HFC-32 is present in said refrigerant in an amount of about 50% by weight.5. The heat transfer composition of wherein said HFC-32 is present in said refrigerant in an amount of about 50% by weight.6. The heat transfer composition of wherein said HFC-32 is present in said refrigerant in an amount of about 50% by weight.7. The heat transfer composition of further comprising a polyol ester (POE) lubricant.8. A method of cooling air in a heat transfer system of the type having an evaporator claim 1 , a condenser claim 1 , a compressor and heat transfer composition in the system claim 1 , the method comprising: from 48% by weight to 51% by weight difluoromethane (HFC-32),', '11.5% by weight pentafluoroethane (HFC-125), and', 'from about 36.5% by weight to about 40.5% by weight ...

STABILIZED HEAT TRANSFER COMPOSITIONS, METHODS AND SYSTEMS

The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises from about 10% by weight to 100% by weight of trifluoroiodomethane (CFI), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety. 1. A heat transfer compositions comprising refrigerant , lubricant and stabilizer , said refrigerant comprising from about 5% by weight to 100% by weight of trifluoroiodomethane (CFI) , said lubricant comprising polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant , and said stabilizer comprising alkylated naphthalene , wherein said alkylated naphthalene is present in the composition in an amount of from 1% to less than 10% by weight based on the weight of the alkylated naphthalene and the lubricant.2. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.3. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.4. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 6% by weight based on the weight of the alkylated naphthalene and the lubricant.5. The heat transfer composition of wherein said stabilizer further comprises an acid depleting moiety (ADM).6. The heat transfer composition of wherein said stabilizer comprises from about 50% by weight to about 99.9% of alkylated naphthalenes and from 0.05% to about 50% by weight of ADM based on the weight of the stabilizer.7. The heat transfer composition of wherein said stabilizer comprises from about ...

STABILIZED HEAT TRANSFER COMPOSITIONS, METHODS AND SYSTEMS

The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises about 49% by weight difluoromethane (HFC-32), about 11.5% by weight pentafluoroethane (HFC-125), and about 39.5% by weight trifluoroiodomethane (CFI), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety. 1. A heat transfer compositions comprising refrigerant , lubricant and stabilizer , said refrigerant consisting essentially of the following three compounds , with each compound being present in the following relative percentages:about 49% by weight difluoromethane (HFC-32),about 11.5% by weight pentafluoroethane (HFC-125), and{'sub': '3', 'about 39.5% by weight trifluoroiodomethane (CFI), wherein (i) said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, (ii) said stabilizer comprises alkylated naphthalene, and (iii) said alkylated naphthalene is present in the composition in an amount of from 1% to less than 10% by weight based on the weight of the alkylated naphthalene and the lubricant.'}2. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.3. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.4. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 6% by weight based on the weight of the alkylated naphthalene and the lubricant.5. The heat transfer composition wherein said lubricant is a PVE lubricant.6. The heat transfer composition ...

STABILIZED HEAT TRANSFER COMPOSITIONS, METHODS AND SYSTEMS

The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises 39 to 45% by weight difluoromethane (HFC-32), 1 to 4% by weight pentafluoroethane (HFC-125), and 51 to 57% by weight trifluoroiodomethane (CFI), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety. 2. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.3. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 8% by weight based on the weight of the alkylated naphthalene and the lubricant.4. The heat transfer composition of wherein said alkylated naphthalene is present in the composition in an amount of from 1.5% to 6% by weight based on the weight of the alkylated naphthalene and the lubricant.5. The heat transfer composition wherein said lubricant is PVE lubricant.6. The heat transfer composition wherein said stabilizer further comprises an acid depleting moiety (ADM).7. The heat transfer composition wherein said stabilizer comprises from about 40% by weight to about 99.9% of alkylated naphthalene and from 0.05% to about 50% by weight of ADM based on the weight of the stabilizer.8. The heat transfer composition of wherein said alkylated naphthalene comprises AN5.9. The heat transfer composition of wherein said stabilizer further comprises a phenol.10. The heat transfer composition of wherein said phenol comprises BHT.11. The heat transfer composition of wherein said stabilizer alkylated naphthalene comprises AN10.12. The heat transfer composition of wherein said stabilizer further comprises a phenol.13. The heat transfer composition ...

ADDITIVE COMPOSITION FOR IMPROVEMENT OF MISCIBILITY OF LUBRICANTS IN AIR-CONDITIONING AND REFRIGERATION SYSTEMS

A lubricant additive for introduction into an AC/R system to improve lubricant miscibility and performance in the AC/R system. 1. A device comprising:a lubricant additive composition including a miscibility agent and a hydrolytic agent, wherein the miscibility agent includes a polyolester.2. The device of claim 1 , wherein the lubricant additive composition includes at least about 30 wt % of the polyolester.3. The device of claim 1 , wherein the hydrolytic agent includes at least one of an orthoester claim 1 , an acetal claim 1 , an epoxide claim 1 , or a carbodiimine.4. The device of claim 1 , wherein the hydrolytic agent includes a triethylorthoformate.5. The device of claim 4 , wherein the lubricant additive composition includes about 20 wt % to about 40 wt % of the triethylorthoformate.6. The device of claim 1 , wherein the lubricant additive composition includes at least one of a fluorescent dye or a performance enhancing agent.7. The device of claim 6 , wherein the performance enhancing agent includes at least one of an antioxidant claim 6 , a thermal stabilizer claim 6 , an anticorrosion additive claim 6 , a metal deactivator claim 6 , an acid neutralizer claim 6 , or an antiwear additive.8. The device of claim 7 , wherein at least one of the antioxidant or the thermal stabilizer includes at least one of a phenol or a phenyl-alphnaphthylamine.9. The device of claim 7 , wherein the anticorrosive agent includes an alkenyl sucking acid derivative.10. The device of claim 7 , wherein the anticorrosive agent includes a phosphate ester.11. The device of claim 1 , wherein the lubricant additive composition includes a metal deactivator additive.12. The device of claim 11 , wherein the metal deactivator additive includes a tolutriazole.13. The device of claim 7 , wherein the acid neutralizer includes at least one of a metal alkoxide claim 7 , a carbodiimide claim 7 , a glycidyl ether claim 7 , an epoxide claim 7 , an alkanolamine claim 7 , an arylamine claim 7 , an ...

FLUORINATED ESTERS AS LUBRICANTS FOR HEAT TRANSFER FLUIDS

The present disclosure provides compounds of formula (I), and preparation method thereof, 2. The method according to claim 1 , wherein at least two of the X′ substituents are OR′.3. The method according to claim 1 , wherein at least three of the X substituents are OR′.4. The method according to claim 1 , wherein all four of the X′ substituents are OR′.5. The method according to claim 2 , wherein two X′ substituents are H.6. The method according to claim 3 , wherein one X′ substituent is CW.7. The method according to claim 1 , wherein W is H.8. The method according to claim 3 , wherein the remaining X′ substituent is CWC(CWOH).9. The method according to claim 1 , wherein when m is 0 n is an integer from 5 to 8.10. The method according to claim 1 , wherein when m is 1 n is an integer from 4 to 7.11. The method according to claim 1 , wherein Y is independently selected from the group consisting of CFand CFH.12. The method according to claim 1 , wherein V is OH.13. The method according to claim 1 , wherein V is Cl or Br.14. The method according to claim 1 , wherein the compound according to formula B is selected from the group consisting of COH(CF)CF claim 1 , COH(CF)CFH claim 1 , and COH(CF)CF.15. The method according to claim 1 , wherein the compound according to formula B is selected from the group consisting of ClC(O)(CF)CF claim 1 , ClC(O) (CF)CFH claim 1 , and ClC(O)H(CF)CF.16. The method according to claim 1 , wherein the compound according to formula A is selected from the group consisting of pentaerythitol claim 1 , trimethylolpropane claim 1 , di-pentaerythritol claim 1 , and neopentylene glcycol.17. The method according to comprising reacting at least two different compounds of formula (A) with at least two different compounds of formula (B).18. The method according to wherein the ratio of compound of formula (A) to compound of formula (B) is at least 1:2.19. The method according to claim 1 , which is conducted in a one-step reaction. This application is a ...

HEAT TRANSFER FLUID

Compositions which are based on tetrafluoropropene and more particularly relates to compositions inclduing 60% to 90% by weight of 2,3,3,3-tetrafluoropropene and 10% to 40% by weight of at least one compound selected from difluoroethane and difluoromethane, which can be used as a heat transfer fluid. The compositions may include 60% to 79% by weight of 2,3,3,3-tetrafluoropropene and 21% to 40% by weight of a compound selected from difluoroethane and difluoromethane. 112-. (canceled)13. A heat transfer fluid comprising:60% to 90% by weight of 2,3,3,3-tetrafluoropropene; and10% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.14. The heat transfer fluid of comprising:60% to 79% by weight of 2,3,3,3-tetrafluoropropene; and21% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.15. The heat transfer fluid of comprising:60% to 70% by weight of 2,3,3,3-tetrafluoropropene; and30% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.16. The heat transfer fluid of comprising:60% to 65% by weight of 2,3,3,3-tetrafluoropropene; and35% to 40% by weight of a mixture of difluoromethane and 1,1-difluoroethane.17. A composition comprising the heat transfer fluid of and a stabilizer selected from the group consisting of nitromethane claim 13 , ascorbic acid claim 13 , terephthalic acid claim 13 , azoles claim 13 , phenolic compounds claim 13 , epoxides claim 13 , phosphites claim 13 , phosphates claim 13 , phosphonates claim 13 , thiols and lactones.18. The composition of claim 17 , wherein the stabilizer represents at most 5% by weight relative to the heat transfer fluid.19. A composition comprising the heat transfer fluid of and a lubricant selected from the group consisting of mineral oil claim 13 , alkylbenzene claim 13 , polyalkylene glycol and polyvinyl ether.20. A composition comprising the heat transfer fluid of and a stabilizer selected from the group consisting of nitromethane claim 16 , ascorbic acid claim 16 , ...

HEAT TRANSFER METHODS, SYSTEMS AND COMPOSITIONS

Disclosed are refrigerants comprising at least about 97% by weight of a blend of three compounds, said blend consisting of: 130-. (canceled)31. A refrigerant comprising at least about 99.5% by weight of a blend of four compounds , said blend consisting of:from about 46% by weight to less than 48% by weight difluoromethane (HFC-32),from about 11% by weight to about 12% by weight pentafluoroethane (HFC-125),from about 34% by weight to about 36% by weight trifluoroiodomethane (CF3I) andfrom about 5% by weight to about 7% by weight 2,3,3,3-tetrafluoropropene (HF0-1234yf), wherein the percentages are based on the total weight of the four compounds in the blend and wherein said refrigerant composition has: (a) a HFC32+HF01234yf:CF3I+HFC125 ratio of from greater than about 1:1 to less than 1.2:1; and (b) an evaporator glide of less than 2° C.32. The refrigerant of wherein said blend consists of:47% by weight difluoromethane (HFC-32),12% by weight pentafluoroethane (HFC-125),35% by weight trifluoroiodomethane (CF3I) and6% by weight 2,3,3,3-tetrafluoropropene (HF0-1234yf),wherein the percentages are based on the total weight of the four compounds in the blend.33. The refrigerant of wherein the refrigerant consists of said blend.34. The refrigerant of wherein the weight ratio of (HFC-32+HFO-1234yf):(CF3I+HFC-125) is from greater than about 1.1:1 to about 1.18:1.35. The refrigerant of wherein the weight ratio of HFC-32:HFC-125 from greater than 3.5:1 to about 4:1 claim 31 , preferably from about 3.8:1 to about 3.9:1.1.36. A heat transfer composition comprising the refrigerant of .37. The heat transfer composition of further comprising a stabilizer selected from a diene based compound claim 36 , or a diene based compound and a phosphorous compound claim 36 , and/or a nitrogen compound and/or a phenolcompound.38. The heat transfer composition of wherein the stabilizer composition comprises a diene based compound.39. The heat transfer composition of wherein the stabilizer ...

COMPOSITIONS CONTAINING FLUORINE SUBSTITUTED OLEFINS AND METHODS AND SYSTEMS USING SAME

Disclosed are the use of fluorine substituted olefins, including tetra- and penta-fluoropropenes, in a variety of applications, including in methods of depositing catalyst on a solid support, methods of sterilizing articles, cleaning methods and compositions, methods of applying medicaments, fire extinguishing/suppression compositions and methods, flavor formulations, fragrance formulations and inflating agents. 1. A method of transferring heat to , or from , a fluid or body , said method comprising contacting said fluid or body with a heat transfer composition comprising a refrigerant comprising HFO-1234ze , wherein the HFO-1234ze is at least 90% by weight transHFO-1234ze.2. The method of wherein the heat transfer composition comprises HFO-1234ze in an amount of 5% to 99% by weight.3. The method of wherein the heat transfer composition comprises HFO-1234ze in an amount of at least about 50% by weight.4. The method of wherein the heat transfer composition comprises HFO-1234ze in an amount of at least about 70% by weight.5. The method of wherein the HFO-1234ze is at least 95% by weight transHFO-1234ze.6. The method of wherein the HFO-1234ze is at least 97% by weight transHFO-1234ze.7. The method of wherein the HFO-1234ze is no more than 10% by weight cisHFO-1234ze.8. The method of wherein the HFO-1234ze is no more than 5% by weight cisHFO-1234ze.9. The method of wherein the HFO-1234ze is no more than 3% by weight cisHFO-1234ze.10. The method of comprising the steps of (1) evaporating the heat transfer composition to produce refrigerant vapor claim 1 , (2) compressing the refrigerant vapor to produce compressed refrigerant vapor claim 1 , (3) condensing the compressed refrigerant vapor to form refrigerant liquid claim 1 , and (4) reducing the pressure of the refrigerant liquid.11. The method of wherein the contacting occurs in an automobile air conditioning system.12. The method of wherein the contacting occurs in a commercial refrigeration system.13. The method of ...

ACTIVE FILTER FOR OIL-FREE REFRIGERANT COMPRESSOR

A compressor system includes a compressor including a compressor inlet, a compressor outlet, and a bearing assembly, the compressor configured to compress a heat transfer fluid. An additive dispenser is fluidly coupled to the compressor upstream of the bearing assembly. The additive dispenser is configured to controllably release a volume of an additive material into the heat transfer fluid, the additive material configured to lubricate the bearing assembly. A method of lubricating a bearing assembly of compressor includes locating a volume of additive material at an additive dispenser fluidly coupled to a compressor, dispensing a portion of the additive material into the flow of heat transfer fluid at a selected time, flowing the heat transfer fluid containing the additive material to a bearing assembly of the compressor, and lubricating the bearing assembly of the compressor with the additive material. 1. A compressor system , comprising:a compressor including a compressor inlet, a compressor outlet, and a bearing assembly, the compressor configured to compress a heat transfer fluid; andan additive dispenser fluidly coupled to the compressor upstream of the bearing assembly, the additive dispenser configured to controllably release a volume of an additive material into the heat transfer fluid, the additive material configured to lubricate the bearing assembly.2. The compressor system of claim 1 , wherein the additive material is in the form of one of a liquid claim 1 , a solid claim 1 , a gel or a powder.3. The compressor system of claim 2 , wherein the additive dispenser is configured to periodically release or spray the additive material into the heat transfer fluid.4. The compressor system of claim 2 , wherein the additive dispenser is configured to dissolve the additive material into the heat transfer fluid passing the additive dispenser.5. The compressor system of claim 1 , wherein the additive material includes one or more of amines (alkyl claim 1 , cyclo ...

Refrigerating Machine Oil, and Working Fluid Composition for Refrigerating Machine Which is Produced Using Same

Provided is a refrigerating machine oil which comprises an ester between a polyol consisting of at least one of pentaerythritol and dipentaerythritol represented by formula (I) and 2-propylheptanoic acid, and is characterized in that the refrigerating machine oil can be used in combination with a refrigerant consisting of 1,3,3,3-tetrafluoropropene (HFO-1234ze). When the refrigerating machine oil is used in combination with a refrigerant consisting of HFO-1234ze, excellent miscibility with the refrigerant, lubricity, thermal and chemical stability and the like can be achieved.

REFRIGERATOR OIL COMPOSITION, AND REFRIGERATION DEVICE

Provided is a refrigerator oil composition for a refrigerant containing an unsaturated fluorinated compound having a carbon-carbon unsaturated bond, which is represented by a general formula (I): CFR, wherein R each independently represents a hydrogen atom, a chlorine atom, a bromine atom, or an iodine atom, and p represents an integer of 1 to 3. The composition contains a base oil (P) including one or more kinds selected from polyvinyl ethers, polyalkylene glycols, copolymers of a poly(oxy)alkylene glycol or a monoether thereof and polyvinyl ethers, and a polyol ester. The kinematic viscosity at 100° C. of the base oil (P) is 2.00 to 50.00 mm/s, and the hydroxyl value thereof is 5.0 mgKOH/g or less. The refrigerator oil composition is excellent in compatibility with a refrigerant containing an unsaturated fluorinated compound having 2 carbon atoms and having a specific atom, and is also excellent in thermal stability. 1. A refrigerator oil composition comprising: {'br': None, 'sub': 2', 'p', '4-p, 'CFR\u2003\u2003(I)'}, '(i) a refrigerant comprising an unsaturated fluorinated compound having a carbon-carbon unsaturated bond, which is represented by formula (I)wherein R at each instance independently represents a hydrogen atom, a chlorine atom, a bromine atom, or an iodine atom, and p represents an integer of 1 to 3; and(ii) a base oil (P) which comprises one or more selected from the group consisting of a polyvinyl ether, a polyalkylene glycol, a copolymer of a poly(oxy)alkylene glycol or a monoether thereof and a polyvinyl ether, and a polyol ester;{'sup': '2', 'wherein the base oil (P) has a kinematic viscosity at 100° C. of 2.00 to 50.00 mm/s and a hydroxyl value of 5.0 mgKOH/g or less.'}3. The refrigerator oil composition according to claim 1 , wherein the base oil (P) comprises the polyvinyl ether claim 1 , and the polyvinyl ether is a polymer which has an alkyl group having 1 to 4 carbon atoms in a side chain thereof.4. The refrigerator oil composition ...

LUBRICATING OIL COMPOSITION FOR REFRIGERATING MACHINES

A lubricating oil composition for refrigerating machines contains a base oil and an additive in a form of a naphthalimide compound. A refrigerant used in a refrigerating machine in which the composition is used is unsaturated hydrofluorocarbon (unsaturated HFC) having a GWP of 1000 or less. When the present lubricating oil composition for refrigerating machines is used in refrigerating equipment such as an open-type automobile air-conditioner, an electric automobile air-conditioner, a gas heat pump, other air-conditioning equipment, a refrigerating machine, a vending machine, a showcase, a water-heating system and a refrigerating/heating system, it is possible to detect the leakage of a refrigerant with a long-lasting stability. Therefore, when an unsaturated fron refrigerant with a poor stability is used in the above-listed equipment, the present lubricating oil composition for refrigerating machines is significantly advantageous. 1a base oil; andan additive in a form of a naphthalimide compound, whereina refrigerant used in a refrigerating machine in which the composition is used is unsaturated hydrofluorocarbon (unsaturated HFC) having a GWP of 1000 or less.. A lubricating oil composition for refrigerating machines comprising: The present invention relates to a lubricating oil composition for refrigerating machines.Air-conditioner systems and cooling systems use a variety of refrigerants, which are likely to leak outside during use. In such a case, a refrigerant-leakage spot needs to be found. Typically, the leakage of the refrigerant is detected simply depending on the presence or absence of bubbles formed of soapy water sprayed onto pipes and joints in the system. These days, a leakage-detecting method using a fluorescent agent has been developed and a refrigerant-leakage-detecting fluorescent agent is sometimes provided in a receiver dryer in a refrigeration cycle in an automobile air-conditioner.According to Patent Literatures 1 and 2, a fluorescence dye ...

Air conditioning refrigerant oil thermal additive

A composition comprising an orthoester and an organosilane, and in some embodiments, a metal deactivator, antioxidant, lubricant and/or corrosion inhibitor. Also, disclosed is use of the composition for use in increasing thermal conductivity of internal fluids in air conditioning and refrigerant systems.

REFRIGERATING MACHINE OIL

The present invention provides a refrigerating machine oil including a lubricating base oil and a compound represented by the following formula (A): 2. The refrigerating machine oil according to claim 1 , comprising at least one oxygen-containing oil selected from the group consisting of esters and ethers claim 1 , as the lubricating base oil.3. The refrigerating machine oil according to claim 1 , further comprising an epoxy compound.4. The refrigerating machine oil according to claim 3 , comprising at least one selected from the group consisting of glycidyl ether-based epoxy compounds claim 3 , glycidyl ester-based epoxy compounds claim 3 , oxirane compounds claim 3 , alkyl oxirane compounds claim 3 , alicyclic epoxy compounds claim 3 , epoxidized fatty acid monoesters claim 3 , and epoxidized plant oils claim 3 , as the epoxy compound.5. The refrigerating machine oil according to claim 3 , comprising at least one selected from the group consisting of glycidyl ether-based epoxy compounds claim 3 , glycidyl ester-based epoxy compounds claim 3 , and alicyclic epoxy compounds claim 3 , as the epoxy compound.6. The refrigerating machine oil according to claim 1 , wherein the polar group has an oxygen atom. The present invention relates to a refrigerating machine oil.Refrigerating machines such as refrigerators, car air-conditioners, room air-conditioners, and automatic vending machines have compressors for circulating refrigerants through their refrigerating cycles. These compressors are filled with refrigerating machine oils for lubricating slide members. Refrigerating machine oils are required to have properties such as antiwear property and stability.Refrigerating machine oils generally contain lubricating base oils and additives which are selected depending on the aforementioned required properties. Conventionally, orthophosphate esters, acid phosphate esters, and the like are used as additives (antiwear agents) for improving antiwear property (for example, see ...

Azeotrope to azeotrope-like composition containing 1-chloro-3,3,3-trifluoropropene and 1,1,1,3,3-pentafluoropropane

The problem to be solved by the present invention is to provide a novel mixed refrigerant that can be an alternative for HCFC-123, has a low ODP and a low GWP, has a COP equal to that of HCFC-123, and has a refrigerating capacity and gas density higher than those of single refrigerants, such as HCFO-1233zd(E) and HFC-245fa, which are being considered as alternative refrigerants for HCFC-123. A composition comprising a refrigerant, wherein the refrigerant comprises HCFO-1233zd(E) and HFC-245fa, and has a mass ratio of HCFO-1233zd(E) to HFC-245fa of 18:82 to 49:51 is provided as a means for solving the above problem.

COMPOSITION CONTAINING MIXTURE OF FLUORINATED HYDROCARBONS, AND METHOD FOR PRODUCING SAME

This invention provides, as alternative refrigerants for R404A, a refrigerant and refrigerant composition that have, for example, a nonflammability similar to that of R404A, a refrigerating capacity that can replace that of R404A, a ratio of refrigerating capacity to power consumed in a refrigeration cycle (coefficient of performance (COP)) that is equal or superior to that of R404A, and a lower GWP than that of R404A. 1. A composition comprising a mixture containing fluorinated hydrocarbons , the mixture comprising difluoromethane (R32) , pentafluoroethane (R125) , and 1 ,1 ,1 ,2-tetrafluoroethane (R134a) in amounts such that the sum of the concentrations thereof is 99.5 wt % or more , the composition ratio of the fluorinated hydrocarbons contained in the mixture falling within a triangle having the following three points as vertices in a ternary composition diagram in which the sum of the concentrations of R32 , R125 , and R134a is 100 wt %:point A (R32/R125/R134a=37.3/17.0/45.7 wt %),point F (R32/R125/R134a=30.7/10.9/58.4 wt %), andpoint G (R32/R125/R134a=29.4/14.1/56.5 wt %),the mixture being an alternative refrigerant for R404A that is a mixed refrigerant.2. The composition comprising a mixture containing fluorinated hydrocarbons according to claim 1 , wherein the composition ratio of the fluorinated hydrocarbons contained in the mixture falls within a quadrilateral having the following four points as vertices in a ternary composition diagram in which the sum of the concentrations of R32 claim 1 , R125 claim 1 , and R134a is 100 wt %:point B (R32/R125/R134a=34.0/13.9/52.1 wt %),point C (R32/R125/R134a=33.3/15.5/51.2 wt %),point E (R32/R125/R134a=31.7/14.9/53.4 wt %), andpoint D (R32/R125/R134a=32.7/12.8/54.5 wt %).3. The composition comprising a mixture containing fluorinated hydrocarbons according to claim 1 , wherein the composition ratio of the fluorinated hydrocarbons contained in the mixture falls within a triangle having the following three points as ...

Lubricant base oil, refrigerator oil and working fluid composition for refrigerators

The lubricating base oil of the present invention comprises an ester synthesized from: a first component that is at least one selected from polyhydric alcohols having 2 to 4 hydroxyl groups; a second component that is at least one selected from polybasic acids having 6 to 12 carbon atoms; and a third component that is at least one selected from monohydric alcohols having 4 to 18 carbon atoms and monocarboxylic acids having 2 to 12 carbon atoms. In addition, the refrigerating machine oil and the working fluid composition for a refrigerating machine of the present invention each comprise the above lubricating base oil.

COMPOSITIONS COMPRISING TETRAFLUOROPROPENE AND METHODS OF USE THEREOF

The present invention relates to a composition comprising HFO-1234yf, or trans-HFO-1234ze, or a mixture thereof; HFC-32; and HFC-152a, HFO-1243zf, or a mixture thereof, wherein said composition is selected from the group consisting of: 135-. (canceled)36. A composition consisting essentially of a refrigerant consisting of about 83 weight percent trans-HFO-1234ze , about 12 weight percent HFC-32 and about 5 weight percent HFC-152a; and optionally at least one lubricant selected from the group consisting of mineral oils , alkylbenzenes , synthetic paraffins , synthetic naphthenes , poly alpha olefins , polyalkylene glycols , dibasic acid esters , polyesters , neopentyl esters , polyvinyl ethers , silicones , silicate esters , fluorinated compounds , phosphate esters and mixtures thereof; and optionally at least one additive selected from the group consisting of UV dyes , solubilizing agents , compatibilizers , stabilizers , tracers , perfluoropolyethers , anti-wear agents , extreme pressure agents , corrosion and oxidation inhibitors , metal surface energy reducers , metal surface deactivators , free radical scavengers , foam control agents , viscosity index improvers , pour point depressants , detergents , viscosity adjusters , and mixtures thereof.37. The composition as recited in claim 36 , wherein said composition has a cooling capacity in the range of from about 75% to about 130% of at least one existing refrigerant.38. The composition as recited in claim 37 , wherein said existing refrigerant is selected from the group consisting of R-22 claim 37 , HFC-134a claim 37 , R-404A claim 37 , and R-407C.39. The composition as recited in claim 36 , wherein the flammability of said composition is classified at most as 2L.40. The composition as recited in claim 36 , wherein the GWP of said composition is less than the GWP of at least one refrigerant selected from the group consisting of R-134a claim 36 , R-22 claim 36 , R-407C claim 36 , and R-404A.41. A process to ...

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents. 114-. (canceled)15. A composition consisting essentially of from about 20 weight percent to about 80 weight percent HFO-1234yf , about 5 weight percent to about 40 weight percent HFC-134a , and about 5 weight percent to about 40 weight percent HFC-152a.16. The composition of claim 15 , further containing at least one non-refrigerant component selected from the group consisting of lubricants claim 15 , dyes claim 15 , solubilizing agents claim 15 , compatibilizers claim 15 , stabilizers claim 15 , tracers claim 15 , perfluoropolyethers claim 15 , anti-wear agents claim 15 , extreme pressure agents claim 15 , corrosion and oxidation inhibitors claim 15 , metal surface energy reducers claim 15 , metal surface deactivators claim 15 , free radical scavengers claim 15 , foam control agents claim 15 , viscosity index improvers claim 15 , pour point depressants claim 15 , detergents claim 15 , viscosity adjusters claim 15 , and mixtures thereof.17. The composition of claim 16 , wherein said lubricant is selected from the group consisting of mineral oils claim 16 , alkylbenzenes claim 16 , synthetic paraffins claim 16 , synthetic naphthenes claim 16 , poly alpha olefins claim 16 , polyalkylene glycols claim 16 , dibasic acid esters claim 16 , polyol esters claim 16 , neopentyl esters claim 16 , polyvinyl ethers claim 16 , silicones claim 16 , silicate esters claim 16 , fluorinated compounds claim 16 , phosphate esters and mixtures thereof.18. The composition of claim 16 , wherein said stabilizer is selected from the group consisting of hindered phenols claim 16 , ...

SYSTEM AND METHOD FOR RETROFITTING A REFRIGERATION SYSTEM FROM HCFC TO HFC REFRIGERANT

A system and method for retrofitting a refrigeration system containing an HCFC refrigerant and a compatible lubricant, with an HFC refrigerant, comprising providing a transport container containing a mixture of a miscible lubricant and the HFC refrigerant, removing the HCFC refrigerant from the refrigeration system while maintaining at least a portion of a lubricant immiscible with the HFC refrigerant, and charging the refrigeration system with the mixture. The polyol ester lubricant may be present in a range exceeding about 5-15% by weight, e.g., 8%. 1. A method of retrofitting a refrigeration system from an HCFC refrigerant and a mineral oil or alkyl benzene lubricant to a refrigerant consisting essentially of an HFC , comprising:removing the HCFC refrigerant while retaining the mineral oil or alkyl benzene lubricant in the refrigeration system; andcharging the refrigeration system with a mixture consisting essentially of the HFC and a polyol ester lubricant in an amount of between 5% and 20% by weight of the HFC, substantially independent of an amount of mineral oil or alkyl benzene lubricant remaining in the refrigeration system.2. The method according to claim 1 , wherein the HFC and the polyol ester lubricant in an amount of between 5% and 20% by weight of the HFC are premixed at a site remote from the refrigeration system claim 1 , prior to removal of the HCFC claim 1 , further comprising transporting the premixed HFC and the polyol ester lubricant in an amount of between 5% and 20% by weight of the HFC in a DOT compliant transport container.3. The method according to claim 2 , wherein the premixed HFC and the polyol ester lubricant in an amount of between 5% and 20% by weight of the HFC in a DOT compliant transport container comprises 8% by weight polyol ester lubricant in HFC claim 2 , in a DOT-39 transport container.4. The method according to claim 1 , wherein said removing and charging are performed substantially without measuring an amount or ...

Refrigerating-Machine Oil Composition and Working Fluid Composition Including Same for Refrigerating Machine

The present invention provides a refrigerating-machine oil composition which comprises the following ester additive (a) and the following ester base oil (b), the content of the ester additive (a) being 5-45 mass % with respect to the total amount of the refrigerating-machine oil composition. Ester additive (a): At least one ester of isotridecanoic acid with pentaerythritol Ester base oil (b): Polyhydric-alcohol esters comprising esters of two or more aliphatic monocarboxylic acids selected from among C4-9 aliphatic monocarboxylic acids with pentaerythritol. 1. A refrigerating machine oil composition comprising the following ester additive (a) and the following ester base oil (b) , whereina content of the ester additive (a) is within a range of 5 to 45% by mass based on a total amount of the refrigerating machine oil composition,the ester additive (a) is an ester of isotridecanoic acid and pentaerythritol, andthe ester base oil (b) is an ester of a polyhydric alcohol, including esters of pentaerythritol and two or more aliphatic monocarboxylic acids selected from aliphatic monocarboxylic acids having 4 to 9 carbon atoms.2. A working fluid composition for refrigerating machines , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the refrigerating machine oil composition according to ; and'}a refrigerant including a hydrofluoroolefin.3. The working fluid composition for refrigerating machines according to claim 2 , wherein the refrigerant including a hydrofluoroolefin is 1 claim 2 ,3 claim 2 ,3 claim 2 ,3-tetrafluoropropene (HFO-1234ze) or a refrigerant mixture of 1 claim 2 ,3 claim 2 ,3 claim 2 ,3-tetrafluoropropene (HFO-1234ze) and difluoromethane (HFC-32). The present invention relates to a refrigerating machine oil composition and a working fluid composition for refrigerating machines obtained by using the refrigerating machine oil composition.Recently, in refrigerating machines and the like, hydrofluorocarbons (HFCs) having ozone depletion potentials ...

AIR CONDITIONER

Provided herein is an air conditioner in which the acid scavenger in a refrigeration cycle is maintained over extended time periods of operation to improve reliability. The air conditioner includes a compressor for compressing a refrigerant, an outdoor heat exchanger for causing a heat exchange between the refrigerant and outdoor air, an indoor heat exchanger for causing a heat exchange between the refrigerant and indoor air, and an expansion valve for decompressing the refrigerant. The compressor , the outdoor heat exchanger , the indoor heat exchanger , and the expansion valve are connected to one another with pipes to constitute a refrigeration cycle. The air conditioner uses a refrigerator oil that uses a polyol ester oil as a base oil, and that contains an alkyl glycidyl ether compound having an epoxy group. 1. An air conditioner comprising:a compressor for compressing a refrigerant;an outdoor heat exchanger for causing a heat exchange between the refrigerant and outdoor air;an indoor heat exchanger for causing a heat exchange between the refrigerant and indoor air; andan expansion valve for decompressing the refrigerant,the compressor, the outdoor heat exchanger, the indoor heat exchanger, and the expansion valve being connected to one another with pipes to constitute a refrigeration cycle,wherein the air conditioner uses a refrigerator oil that uses a polyol ester oil as a base oil, and that contains an alkyl glycidyl ether compound having an epoxy group.2. The air conditioner according to claim 1 , wherein the refrigerant contains 70 mass % or more of R32 in the refrigeration cycle.3. The air conditioner according to claim 2 , wherein the alkyl glycidyl ether compound has an alkyl group of 4 to 10 carbon atoms.4. The air conditioner according to claim 3 , wherein the refrigerator oil contains the alkyl glycidyl ether compound in an amount of 0.1 to 1.0 mass %.5. The air conditioner according to claim 1 , wherein the refrigerator oil has a viscosity of 40 mm/ ...

COMPOSITION CONTAINING REFRIGERANT INCLUDING R32, R125, R143a AND R134a, AND REFRIGERATION METHOD USING SAID COMPOSITION, METHOD FOR OPERATING REFRIGERATOR, AND REFRIGERATOR

Provided is a composition containing a refrigerant that has a refrigerating capacity equivalent to that of widely used R404A, and a low GWP. The composition contains a refrigerant that contains difluoromethane (R32), pentafluoroethane (R125), 1,1,1-trifluoroethane (R143a), and 1,1,1,2-tetrafluoroethane (R134a) in specific concentrations. 3. The composition according to claim 1 , wherein the refrigerant is used as an alternative refrigerant for R404A.4. The composition according to claim 1 , wherein the total concentration of R32 claim 1 , R125 claim 1 , R143a claim 1 , and R134a is 99.5 mass % or more based on the entire refrigerant.5. The composition according to claim 1 , wherein the refrigerant consists of R32 claim 1 , R125 claim 1 , R143a claim 1 , and R134a.6. The composition according to claim 1 , comprising at least one member selected from the group consisting of water claim 1 , tracers claim 1 , ultraviolet fluorescent dyes claim 1 , stabilizers claim 1 , and polymerization inhibitors.7. The composition according to claim 1 , comprising a refrigerant oil.8. The composition according to claim 7 , wherein the refrigerant oil contains at least one polymer selected from the group consisting of polyalkylene glycols (PAG) claim 7 , polyol esters (POE) claim 7 , and polyvinyl ethers (PVE).9. A refrigeration method comprising operating a refrigeration cycle using the composition of .10. A method for operating a refrigerating machine that operates a refrigeration cycle using the composition of .11. A refrigerating machine using the composition of .12. The refrigerating machine according to claim 11 , which is at least one member selected from the group consisting of refrigerators claim 11 , freezers claim 11 , water coolers claim 11 , ice makers claim 11 , refrigerating showcases claim 11 , freezing showcases claim 11 , freezing and refrigerating units claim 11 , refrigerating machines for freezing and refrigerating warehouses claim 11 , turbo refrigerating ...

REFRIGERATING MACHINE OIL

An aspect of the present invention relates to a refrigerating machine oil with a kinematic viscosity at 100° C. of 0.5 mm/s or more and 1.5 mm/s or less, a 90% distillation temperature in gas chromatography distillation of 280° C. or more and less than 360° C., and an aniline point of 70° C. or more. 1. A refrigerating machine oil having a kinematic viscosity at 100° C. of 0.5 mm/s or more and 1.5 mm/s or less , a 90% distillation temperature in gas chromatography distillation of 280° C. or more and less than 360° C. , and an aniline point of 70° C. or more.2. A refrigerating machine oil having a kinematic viscosity at 100° C. of 0.5 mm/s or more and 1.5 mm/s or less , a 70% distillation temperature in gas chromatography distillation of 270° C. or more and less than 300° C. , and an aniline point of 70° C. or more.3. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a difference between an initial boiling point and a 95% distillation temperature in gas chromatography distillation of 60° C. or more and 160° C. or less.4. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a difference between a distillation end point and a 90% distillation temperature in gas chromatography distillation of 40° C. or more and 140° C. or less.5. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a distillation end point in gas chromatography distillation of 390° C. or more and 425° C. or less.6. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a flash point of 110° C. or more.7. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a % Cin n-d-M ring analysis of 40 or more and 60 or less.8. The refrigerating machine oil according to claim 1 , wherein the refrigerating machine oil has a % Cin n-d-M ring analysis of 40 or more and 65 or less.9. The refrigerating machine oil ...

REFRIGERATING MACHINE OIL, AND WORKING FLUID COMPOSITION FOR REFRIGERATING MACHINES

The present invention provides a refrigerating machine oil comprising a base oil; a sulfide compound; and an orthophosphoric acid ester, wherein a content of the sulfide compound is 0.01 to 2.0% by mass and a content of the orthophosphoric acid ester is 0.1 to 5.0% by mass, based on a total amount of the refrigerating machine oil, and the refrigerating machine oil having a kinematic viscosity at 40° C. of 3 to 500 mm/s. 1. A refrigerating machine oil comprising: a polyhydric alcohol comprising pentaerythritol and', 'a fatty acid comprising isobutanoic acid and 3,5,5-trimethylhexanoic acid;, 'a base oil comprising a polyol ester obtainable by synthesis from'}a sulfide compound comprising at least one selected from the group consisting of diphenyl sulfide, dibenzyl sulfide, didecyl sulfide, didodecyl sulfide and thiobisphenol compounds; andan orthophosphoric acid ester comprising at least one selected from the group consisting of triphenyl phosphate, tricresyl phosphate, and an alkylphenyl phosphate having a C3-C4 alkyl group,whereina content of the sulfide compound is 0.01 to 2.0% by mass anda content of the orthophosphoric acid ester is 0.1 to 5.0% by mass, based on a total amount of the refrigerating machine oil, and{'sup': '2', 'the refrigerating machine oil having a kinematic viscosity at 40° C. of 5 to 150 mm/s.'}2. A working fluid composition for a refrigerating machine comprising:a refrigerant; and{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the refrigerating machine oil according to .'}3. The working fluid composition according to claim 2 , wherein the refrigerant has a global warming potential of 700 or less.4. The working fluid composition according to claim 2 , wherein the refrigerant comprises at least one selected from the group consisting of difluoromethane claim 2 , HFO-1234yf and R600a.5. The working fluid composition according to claim 3 , wherein the refrigerant comprises difluoromethane.6. The working fluid composition according to claim 3 , ...

STABILIZED IODOCARBON COMPOSITIONS

Disclosed are compositions comprising at least one iodocarbon compound and preferably at least one stabilization agent. These compositions are generally useful as refrigerants for heating and cooling, as blowing agents, as aerosol propellants, as solvent composition, and as fire extinguishing and suppressing agents. 2. The heat transfer composition of wherein Rcomprises at least 4 carbon atoms.3. The heat transfer composition of wherein Ris an unsaturated aliphatic radical having from 4 to 6 carbon atoms.4. The heat transfer composition of wherein Ris a 4 carbon unsaturated aliphatic radical.5. The heat transfer composition of wherein Ris a naphthyl radical.6. The composition of wherein said at least one iodocarbon comprises CFI.8. The composition of wherein said stabilizing compound is selected from the group consisting of Myrcene claim 1 , Geraniol claim 1 , Farnesol claim 1 , Limonene claim 1 , Diphenyl Phosphite claim 1 , 1 claim 1 ,2-epoxyhexene claim 1 , Dilauryl hydrogen phosphate claim 1 , and combinations of two or more of these.9. The composition of wherein said stabilizing compound is selected from the group consisting of Myrcene claim 1 , Geraniol claim 1 , Farnesol claim 1 , Limonene claim 1 , Diphenyl Phosphite claim 1 , 1 claim 1 ,2-epoxyhexene claim 1 , Dilauryl hydrogen phosphate claim 1 , 2 claim 1 ,4-dimethyl-6-tert-butylphenol claim 1 , Tocopherol and combinations of two or more of these.10. A heat transfer composition comprising:(a) at least one iodocarbon;(b) at least one refrigerant compound other than said iodocarbon;(c) at least one lubricant comprising polyalkyleneglycol (PAG); and(d) at least one stabilizing compound selected from the group consisting of diene-based compounds, epoxides, phosphates, phosphites, and combinations of these.11. The composition of wherein said at least one stabilizing compound is present in the composition in an amount effective to stabilize said at least one iodocarbon against degradation under the conditions ...