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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 6102. Отображено 100.
16-11-1999 дата публикации

УСТАНОВКА ДЛЯ ПРИГОТОВЛЕНИЯ НЕФТЯНЫХ МАСЕЛ С НИЗКОЙ ТЕМПЕРАТУРОЙ ЗАСТЫВАНИЯ

Номер: RU0000011788U1
Автор: Денисов А.М., Денисов М.В.
Принадлежит: Общество с ограниченной ответственностью "ЭЗОС"

Установка для приготовления нефтяных масел с низкой температурой застывания, содержащая емкость со сливным патрубком и с размещенным ниже уровня заправки масла змеевиком, соединенным с источником подачи и слива теплоносителя, и источник подачи депрессорной присадки в масло, отличающаяся тем, что сливной патрубок емкости соединен трубопроводом, в котором последовательно установлены насос и подогреватель-смеситель с емкостью, образуя замкнутый циркуляционный контур, при этом подогреватель выполнен в виде кожухотрубного теплообменника, внутри и снаружи труб которого размещены с кольцевыми зазорами трубки, причем верхние концы внутренних трубок соединены с коллектором подачи присадки, а их выходные концы снабжены соплами, срезы которых расположены выше выходных торцов наружных труб. (19) RU (11) 11 788 (13) U1 (51) МПК C10M 171/02 (1995.01) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К СВИДЕТЕЛЬСТВУ (21), (22) Заявка: 99105923/20, 24.03.1999 (24) Дата начала отсчета срока действия патента: 24.03.1999 (46) Опубликовано: 16.11.1999 (72) Автор(ы): Денисов М.В., Денисов А.М. (73) Патентообладатель(и): Общество с ограниченной ответственностью "ЭЗОС" U 1 1 1 7 8 8 R U Ñòðàíèöà: 1 ru CL U 1 (57) Формула полезной модели Установка для приготовления нефтяных масел с низкой температурой застывания, содержащая емкость со сливным патрубком и с размещенным ниже уровня заправки масла змеевиком, соединенным с источником подачи и слива теплоносителя, и источник подачи депрессорной присадки в масло, отличающаяся тем, что сливной патрубок емкости соединен трубопроводом, в котором последовательно установлены насос и подогреватель-смеситель с емкостью, образуя замкнутый циркуляционный контур, при этом подогреватель выполнен в виде кожухотрубного теплообменника, внутри и снаружи труб которого размещены с кольцевыми зазорами трубки, причем верхние концы внутренних трубок соединены с коллектором подачи присадки, а их выходные концы снабжены соплами, срезы ...

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Номер записи: 1
09-02-2012 дата публикации

Oil composition comprising functionalized nanoparticles

Номер: US20120032543A1
Автор: Ashley Leonard, Gaurav Agrawal, Ketankumar K. Sheth, Soma Chakraborty
Принадлежит: Baker Hughes Inc

An improved oil composition is disclosed. The oil composition includes a base oil comprising a hydrocarbon, the base oil having a base thermal conductivity. The oil composition also includes a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified oil having a modified thermal conductivity, wherein the modified thermal conductivity is greater than the base thermal conductivity. Alternately, an improved oil composition includes a base oil comprising a hydrocarbon and a first additive comprising a plurality of derivatized first additive nanoparticles dispersed within the base oil to form a modified oil comprising a stabilized suspension of the derivatized first additive nanoparticles in the base oil.

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Номер записи: 2
12-04-2012 дата публикации

Moisture-thickening heat-conductive silicone grease composition

Номер: US20120085964A1
Автор: Nobuaki Matsumoto, Norio Kameda
Принадлежит: Shin Etsu Chemical Co Ltd

A heat-conductive silicone grease composition is obtained by combining (A) a hydroxyl-endcapped organopolysiloxane, (B) a specific organopolysiloxane, (C) a silane compound having at least three hydrolyzable radicals and/or a hydrolyzate thereof, (D) a thickening catalyst, and (E) a heat-conductive filler. The composition is storable at RT, has a low initial viscosity enough to coat, and after coating, thickens with moisture at RT so that it becomes anti-sagging, remains re-workable, and has durable heat resistance.

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Номер записи: 3
19-07-2012 дата публикации

Process for making high viscosity index lubricating base oils

Номер: US20120184787A1
Автор: Stephen J. Miller
Принадлежит: Chevron USA Inc

A process for making a lubricating base oil having a viscosity index of at least 110, comprising the steps of: combining a waxy light neutral base oil and a wax derived from pyrolyzing a plastics feed comprising polyethylene to form a blend; hydroisomerization dewaxing the blend; and recovering the lubricating base oil from an effluent from the hydroisomerization dewaxing step.

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Номер записи: 4
25-04-2013 дата публикации

Lubricant base oil and lubricant composition

Номер: US20130102506A1
Автор: Yukio Yoshida, Yukitoshi Fujinami
Принадлежит: Idemitsu Kosan Co Ltd

A lubricating base oil includes at least one of ionic liquids containing a compound represented by a formula (1): Z + A − , in which Z + represents a cation and A − represents an anion, in which Z + is a cyclic quaternary ammonium ion having two different side chains and A − is a conjugated amide ion.

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Номер записи: 5
23-05-2013 дата публикации

Pentaerythritol tetraester

Номер: US20130131374A1
Автор: Nobuhito Amemiya, Satoshi Hiyoshi, Shigehisa Kishimoto, Toshihiro Inayama
Принадлежит: KH Neochem Co Ltd

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.

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Номер записи: 6
18-07-2013 дата публикации

GEAR OIL COMPOSITIONS

Номер: US20130184191A1
Автор: Carey James T., Galiano-Roth Angela S., Givens, JR. Willie A., Lee Gordon H., Wu Margaret M.
Принадлежит: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY

A novel lubricant composition is disclosed. In one embodiment the lubricant composition comprises in admixture: a first base stock component comprising one or more base stocks each having a viscosity of at least 40 cSt, Kv100° C. and a molecular weight distribution (MWD) as a function of viscosity at least 10 percent less than algorithm: MWD=0.2223+1.0232*log (Kv at 100° C. in cSt); and a second base stock component comprising at least one Poly-Alpha-Olefin (PAO) base stock and at least one Group III base stock, each having a viscosity less than 110 cSt, Kv100° C. 1. A lubricating composition , comprising in admixture: {'br': None, 'i': 'Kv', 'MWD=0.2223+1.0232*log(at 100° C. in cSt); and'}, 'a) a first base stock component comprising one or more base stocks each having a viscosity of at least 40 cSt, Kv100° C. and a molecular weight distribution (MWD) as a function of viscosity at least 10 percent less than algorithm'}b) a second base stock component comprising at least one Poly-Alpha-Olefin (PAO) base stock and at least one Group III base stock, each having a viscosity less than 10 cSt, Kv100° C.2. The lubricating composition of wherein the viscosity difference between the first base stock component and the second base stock component is greater than 30 cSt claim 1 , Kv100° C.3. The lubricating composition of wherein the first base stock component comprises one or more metallocene catalyzed PAO base stocks.4. The lubricating composition of further comprising at least one additive claim 1 , the additive chosen from the group consisting of extreme pressure (EP) additives claim 1 , antiwear additives claim 1 , dispersants claim 1 , detergents claim 1 , antioxidants claim 1 , corrosion inhibitors claim 1 , friction reducers claim 1 , defoamants and demulsifiers claim 1 , and any combination thereof.5. The lubricating composition of wherein the first base stock component has a viscosity of greater than 100 cSt claim 1 , Kv100° C.6. The lubricating composition of ...

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Номер записи: 7
29-08-2013 дата публикации

Tetrafluoropropene compositions and uses thereof

Номер: US20130221262A1
Автор: Barbara Haviland Minor, Donald Bernard Bivens, Thomas Joseph Leck
Принадлежит: EI Du Pont de Nemours and Co

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.

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Номер записи: 8
12-09-2013 дата публикации

Lubricating Oil Composition For Automoblie Engine Lubrication.

Номер: US20130237465A1
Автор: Andoh Hiroki, Nakazato Morikuni
Принадлежит: Chevron Japan Limited

Provided is a lubricating oil composition that is highly fuel-efficient and has high wear resistance and is particularly suited for lubrication of a motorcycle four-cycle gasoline engine or a diesel engine vehicle having an exhaust gas after-treatment device. The lubricating oil composition, which is a lubricating oil composition having an SAE viscosity grade of 5W20, comprises a base oil and predetermined amounts of additive components comprising of a nitrogen-containing ash-free dispersant, an alkali earth metal-containing detergent, a phosphorus-containing anti-wear agent, an antioxidant, and a viscosity index-improving agent, wherein the viscosity index is within a range of 140 to 230, the high-shear viscosity at 150° C. is 2.9 mPa·s or higher, and the NOACK evaporation loss is 13% or less. 1. A lubricating oil composition for automobile engine lubrication , which is a lubricating oil composition comprising a base oil having an SAE viscosity grade of 5W20 , wherein the viscosity index is within a range of 140 to 230 , the high-shear viscosity at 150° C. is 2.9 mPa·s or higher , and the NOACK evaporation loss is 13% or less , further comprising:a) a nitrogen-containing ash-free dispersant at 0.01 to 0.3 mass % in terms of the nitrogen content,b) an alkaline earth metal-containing detergent at 0.08 to 0.4 mass % in terms of alkaline earth metal content,c) a phosphorus-containing anti-wear agent at 0.05 to 0.12 wt % in terms of phosphorus content,d) an antioxidant selected from the group consisting of amine compounds, phenol compounds, and molybdenum compounds at 0.1 to 7 mass %,e) a viscosity index-improving agent at 0.5 to 20 mass %, and further wherein the amount of each additive component is the mass % in terms of the total amount of lubricating oil composition.2. The lubricating oil composition according to claim 1 , wherein the dynamic viscosity at 100° C. is within a range of 8.5 mm/s or greater claim 1 , but less than 9.3 mm/s.3. The lubricating oil ...

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Номер записи: 9
03-10-2013 дата публикации

Lubricant system and method of forming the same

Номер: US20130256064A1
Автор: Alejandro Sanz, Alexander De Vries, Dick Meijer, Dries Muller, Jeroen Bongaerts, Piet Lugt, Rihard Pasaribu
Принадлежит: SKF AB

A lubricant system is disclosed that is formed by contacting a fibrous network with oil and/or lubricating fluid having an affinity for the fibrous network. The fibrous network comprises oleophilic fibers having a diameter between 50 nm and 10 microns and a length that is at least times the diameter. In addition, the oleophilic fibers have an affinity for the oil and/or lubricating fluid.

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Номер записи: 10
03-10-2013 дата публикации

Apparatus for use in a system containing a lubricating fluid and method of forming the same

Номер: US20130256065A1
Автор: Alejandro Sanz, Alexander De Vries, Dick Meijer, Dries Muller, Jeroen Bongaerts, Piet Lugt, Richard Schaake, Rihard Pasaribu
Принадлежит: SKF AB

An apparatus is disclosed for use in a system containing at least one of an oil and a lubricating fluid. The apparatus comprises a surface in need of lubrication during operation of the apparatus, and oleophilic fibers disposed on the surface. The oleophilic fibers have a diameter between 50 nm and 10 microns and a length that is at least 5 times the diameter. In addition, the oleophilic fibers have an affinity for at least one of the oil and the lubricating fluid.

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Номер записи: 11
07-11-2013 дата публикации

LUBRICATING OIL WITH IMPROVED WEAR PROPERTIES

Номер: US20130296202A1
Автор: Booth James, McGEEHAN James, Miller Trevor, VAN DAM Willem
Принадлежит: Chevron U.S.A. INC.

Provided is a lubricating oil composition for internal combustion engines comprising at least one hydrocarbon base stock which is determined to exhibit a 100° C. PVC/40° C. PVC ratio approaching one or greater, and one or more lubricating additives. Also provided is a method for preparing such a composition, which includes determining the 100° C. PVC/40° C. PVC ratio of a hydrocarbon base stock oil, and selecting a hydrocarbon base stock oil which exhibits a 100° C. PVC/40° C. PVC ratio approaching one. One or more lubricating additives are then added to the selected base stock oil.

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Номер записи: 12
14-11-2013 дата публикации

Hydrophilic composition for use with a lubricating system as well as an apparatus and method for using the same

Номер: US20130302609A1
Автор: Alejandro Sanz, Alexander De Vries, Dick Meijer, Dries Muller, Jeroen Bongaerts, Piet Lugt, Richard Schaake, Rihard Pasaribu
Принадлежит: SKF AB

A hydrophilic composition for use with a lubricating system comprises hydrophilic fibers having a diameter between 50 nm and 10 microns and a length that is at least 5 times the diameter. The hydrophilic fibers having a strong affinity for at least one of water and other hydrophilic fluids and may remove or eliminate free or dissolved water in a lubricating system comprising at least one of an oil and a lubricating fluid.

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Номер записи: 13
06-02-2014 дата публикации

Migration of air release in lubricant base stocks

Номер: US20140038867A1
Автор: Beatrice Marie Gooding, Charles Lambert Baker, Jr., Paul Carl Naegely
Принадлежит: ExxonMobil Research and Engineering Co

A method of improving air release in lubricant base stocks and lubricating oils is provided. The method includes providing a Group I base stock, a Group II base stock or a combination thereof and adding to the base stock an effective amount of C 7 to C 80 paraffin, wherein the lubricant base stock provides air release according to the ASTM D3427 test at least 20% lower than the same lubricant base stock not including the C 7 to C 80 paraffin. Also provided are lube base stocks and lubricating oils with improved air release and methods of making such base stocks and oils.

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Номер записи: 14
20-03-2014 дата публикации

Heat-transfer compositions exhibiting improved miscibility with the lubricating oil

Номер: US20140075969A1
Автор: Laurent Abbas, Sophie Guerin, Wissam Rached
Принадлежит: Arkema France SA

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.

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Номер записи: 15
10-04-2014 дата публикации

Production of Polyol Ester Lubricants for Refrigeration Systems

Номер: US20140097379A1
Автор: Dale Carr, Edward T. Hessell, Jeffrey Hutter, Richard Kelley, Roberto Urrego
Принадлежит: Dale Carr, Edward T. Hessell, Jeffrey Hutter, Richard Kelley, Roberto Urrego

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.

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Номер записи: 16
05-01-2017 дата публикации

Lubricant for Low Global Warming Potential Refrigerant Systems

Номер: US20170002243A1
Автор: Baker Mark R., Foster Michael G., Karnaz Joseph A., Lilje Kenneth C., Porter Micheal I.
Принадлежит:

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 ...

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Номер записи: 17
05-01-2017 дата публикации

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

Номер: US20170002244A1
Автор: Fujii Katsuya, FUKUSHIMA Masato, Okamoto Hidekazu, Tanaka Toshiyuki, Tasaka Mai, UENO Katsuya
Принадлежит: Asahi Glass Company, Limited

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 ...

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Номер записи: 18
05-01-2017 дата публикации

ELECTRO-RHEOLOGICAL FLUID AND HAPTIC DEVICE

Номер: US20170002290A1
Автор: Kemp Roger, SAGE Ian Charles, SIEMIANOWSKI Simon, TUFFIN Rachel
Принадлежит: Merck Patent GmBH

The present invention relates to an electro-rheological fluid comprising particles of at least one inorganic or organic material suspended in a polar liquid crystalline medium, the use of such electro-rheological fluid in an haptic device, an haptic device itself, a method of the production of such haptic device and the use of such haptic device in electro-optical devices. 1. Device comprising an electro-rheological fluid sandwiched between two substrates , at least one of said substrates being flexible , and one of said substrates being provided with an electrode structure adjacent to the electro-rheological fluid having a significant component of the electrical field parallel to the substrate main plane.2. Device according to claim 1 , characterized in that it is transparent to light.3. Device according to claim 1 , characterized in that the electrode structure is selected from interdigitated electrodes claim 1 , IPS electrodes claim 1 , FFS electrodes or comb like electrodes.4. Device according to claim 1 , characterized in that the lateral spacing of the electrodes of opposing polarity is in the range 10 μm to 2000 μm.5. Device according to claim 1 , characterized in that the driving voltage is in the range from 100 to 800 V.6. Device according to claim 1 , characterized in that the layer-thickness of the electro-rheological fluid is in the range from 10 μm to 1000 μm.7. Device according to claim 1 , characterized in that the electro-rheological fluid is selected from a binary solid-liquid phase mixture.8. Device according to claim 1 , characterized in that the electro-rheological fluid comprises particles of at least one inorganic or organic material suspended in a polar liquid crystalline medium.9. Method of production of a device according to claim 1 , comprising at least the step of providing a layer of an electro-rheological fluid onto a substrate claim 1 , which is provided with an in-plane electrode structure.10. A method of generating an ...

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Номер записи: 19
05-01-2017 дата публикации

Working Fluid Composition for Refrigerating Machine and Refrigerating Machine Oil

Номер: US20170002291A1
Автор: Konno Souichirou, Okido Takeshi, Shimpo Hiroko, Takahashi Hitoshi
Принадлежит: JX NIPPON OIL & ENERGY CORPORATION

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 ...

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Номер записи: 20
07-01-2021 дата публикации

Compositions and Methods for Marking Hydrocarbon Compositions With Non-Mutagenic Dyes

Номер: US20210002570A1
Автор: DOSHI Haresh, FRISWELL Michael, NOWAKOWSKI Thomas E.
Принадлежит:

The disclosure provides dyes for marking hydrocarbon compositions. More particularly, the disclosure relates to non-mutagenic dyes for marking hydrocarbon compositions. 117.-. (canceled)19. The compound according to claim 18 , wherein n is 1.20. The compound according to claim 18 , wherein R is an ethyl group.21. The compound according to claim 18 , wherein R is an isopropyl group.22. The compound according to claim 18 , wherein Ris an ethyl group.23. The compound according to claim 18 , wherein Ris an isopropyl group.24. The compound according to claim 18 , wherein R is an ethyl group and Ris an ethyl group.25. The compound according to claim 18 , wherein R is an isopropyl group and Ris an isopropyl group.26. The compound according to claim 18 , wherein R is an ethyl group and Ris an isopropyl group.27. The compound according to claim 18 , wherein R is an isopropyl group and Ris an ethyl group.28. The compound according to claim 18 , wherein Ris a heptyl group claim 18 , an octyl group claim 18 , or a nonyl group.29. The compound according to claim 28 , wherein Ris a heptyl group.30. The compound according to claim 29 , wherein n is 1.31. The compound according to claim 18 , wherein R is an ethyl group claim 18 , Ris an ethyl group claim 18 , and Ris a heptyl group claim 18 , an octyl group claim 18 , or a nonyl group.32. The compound according to claim 31 , wherein Ris a heptyl group.33. The compound according to claim 32 , wherein n is 1.34. The compound according to claim 18 , wherein R is an ethyl group claim 18 , Ris an isopropyl group claim 18 , and Ris a heptyl group claim 18 , an octyl group claim 18 , or a nonyl group.35. The compound according to claim 18 , wherein R is an isopropyl group claim 18 , Ris an isopropyl group claim 18 , and Ris a heptyl group claim 18 , an octyl group claim 18 , or a nonyl group.36. The compound according to claim 35 , wherein Ris a heptyl group.37. The compound according to claim 36 , wherein n is 1.38. The compound ...

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Номер записи: 21
03-01-2019 дата публикации

PROCESS FOR PREPARING A BASE OIL HAVING A REDUCED CLOUD POINT

Номер: US20190002773A1
Автор: CREYGHTON Edward Julius, DE JONGE Diederik, Kieffer Eduard Philip, RENKEMA Duurt
Принадлежит:

The present invention relates to a process for preparing a residual base oil from a hydrocarbon feed which is derived from a Fischer-Tropsch process, the process comprises the steps of: (a) providing a hydrocarbon feed which is derived from a Fischer-Tropsch process; (b) subjecting the hydrocarbon feed of step (a) to a hydrocracking/hydroisomerisation step to obtain an at least partially isomerised product; (c) separating at least part of the at least partially isomerised product as obtained in step (b) into one or more lower boiling fractions and a hydrowax residue fraction; (d) catalytic dewaxing of the hydrowax residue fraction of step (c) to obtain a highly isomerised product; (e) separating the highly isomerised product of step (d) into one or more light fractions and a isomerised residual fraction; (f) mixing of the isomerised residual fraction of step (e) with a diluent to obtain a diluted isomerised residual fraction; (g) cooling the diluted isomerised residual fraction of step (f) to a temperature between 0° C. and −60° C.; (i) subjecting the mixture of step (g) to a centrifuging step at a temperature between 0° C. and −60° C. to isolate the wax from the diluted isomerised residual fraction; (j) separating the diluent from the diluted isomerised residual fraction to obtain a residual base oil. 1. A process for preparing a residual base oil from a hydrocarbon feed which is derived from a Fischer-Tropsch process , the process comprising the steps of:(a) providing a hydrocarbon feed which is derived from a Fischer-Tropsch process;(b) subjecting the hydrocarbon feed of step (a) to a hydrocracking/hydroisomerisation step to obtain an at least partially isomerised product;(c) separating at least part of the at least partially isomerised product as obtained in step (b) into one or more lower boiling fractions and a hydrowax residue fraction;(d) catalytic dewaxing of the hydrowax residue fraction of step (c) to obtain a highly isomerised product;(e) separating the ...

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Номер записи: 22
03-01-2019 дата публикации

RESIDUAL BASE OIL

Номер: US20190002774A1
Автор: CREYGHTON Edward Julius, ROMANUKA Julija
Принадлежит:

The present invention relates to a Fischer-Tropsch derived residual base oil having a kinematic viscosity at 100° C. according to ASTM D445 in the range of from 15 to 35 mm/s, an average number of carbon atoms per molecule Fischer-Tropsch derived residual base oil according to C-NMR in a range of from 25 to 50. 1. A Fischer-Tropsch derived residual base oil having a kinematic viscosity at 100° C. in the range of from 15 to 35 mm/s according to ASTM D445 , an average number of carbon atoms per molecule Fischer-Tropsch derived residual base oil according to C-NMR in a range of from 25 to 50.2. The Fischer-Tropsch derived residual base oil according to claim 1 , having an average number of carbon atoms per molecule Fischer-Tropsch derived residual base oil according to C-NMR of from 30 to 45 carbon atoms.3. The Fischer-Tropsch derived residual base oil according to claim 1 , having an average number of carbon atoms per molecule Fischer-Tropsch derived residual base oil according to C-NMR of from 31 to 45 carbon atoms.4. The Fischer-Tropsch derived residual base oil according to claim 1 , having an average number of carbons in the non-branched segment according to C-NMR of less than 14 carbon atoms.5. The Fischer-Tropsch derived residual base oil according to claim 1 , having an average number of branches normalized for a molecule of 50 carbon atoms in according to 13 C-NMR of at least 3.5.6. The Fischer-Tropsch derived residual base oil according to claim 1 , having a T10 wt. % recovery point in the range of from 470 to 590° C. claim 1 , a T50 wt. % recovery point in the range of from 550 to 710° C. claim 1 , a T80 wt. % recovery point of at least 630° C. and a T90 wt. % recovery point of at least 700° C. as measured with ASTM D7169.7. The Fischer-Tropsch derived residual base oil according claim 1 , having a pour point of less than −10 as measured according to ASTM D97.8. The Fischer-Tropsch derived residual base oil according to claim 1 , having a cloud point of ...

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Номер записи: 23
07-01-2021 дата публикации

LOW FRICTION WEAR RESISTANT GRAPHENE FILMS

Номер: US20210002579A1
Автор: Berman Diana, Erdemir Ali, SUMANT Anirudha V.
Принадлежит: UCHICAGO ARGONNE, LLC

A low friction wear surface with a coefficient of friction in the superlubric regime including graphene and nanoparticles on the wear surface is provided, and methods of producing the low friction wear surface are also provided. A long lifetime wear-resistant surface including graphene exposed to hydrogen is provided, including methods of increasing the lifetime of graphene containing wear surfaces by providing hydrogen to the wear surface. 1. A method of forming a low friction wear surface comprising:disposing over a substrate a solution comprising nanodiamonds and a h-BN 2D material to form a first sliding component, the h-BN 2D material forming patches on the first sliding component;sliding the first sliding component against a second sliding component having a diamond-like carbon on a sliding surface;forming scrolls of the h-BN 2D material around the nanodiamonds; andgraphitizing the nanodiamonds, converting the scrolled nanodiamonds into nano-onions.2. The method of claim 1 , further comprising establishing a dry environment over the substrate.3. The method of claim 1 , wherein disposing the solution over the substrate comprises forming patches of the material on the substrate.4. The method of claim 1 , wherein forming patches of the material on the substrate comprises spraying a liquid containing the material onto the substrate.5. The method of claim 1 , wherein disposing the nanoparticles over the substrate comprises spraying a liquid containing the nanoparticles onto the substrate.6. A low friction wear surface comprising:a substrate;graphene disposed over the substrate; and{'sub': 3', '4, 'nanoparticles disposed over the substrate, the nanoparticles selected from the group consisting of diamond, Ni, Fe, Pt, Co, SiNand combinations thereof;'}wherein the nanoparticles are free from oxidation.7. The low friction wear surface of claim 6 , wherein the nanoparticles comprise iron.8. The low friction wear surface of claim 6 , wherein the substrate comprises at ...

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Номер записи: 24
03-01-2019 дата публикации

REFRIGERATION OIL, AND COMPOSITION FOR USE IN REFRIGERATING MACHINE

Номер: US20190002792A1
Автор: Matsumoto Tomoya
Принадлежит: IDEMITSU KOSAN CO., LTD.

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 ...

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Номер записи: 25
03-01-2019 дата публикации

LUBRICATING OIL COMPOSITION FOR INTERNAL COMBUSTION ENGINES

Номер: US20190002793A1
Автор: Hanyuda Kiyoshi, KAMATA Kumiko, KOBAYASHI Izumi, Oohara Kenji
Принадлежит:

To provide a lubricating oil composition for internal combustion engines, which can realize low friction in both internal combustion engines equipped with a DLC and internal combustion engines not equipped with a DLC. [Solution] a lubricating oil composition for internal combustion engines, which is characterized in that the lubricating oil composition for internal combustion engines is a composition obtained by blending a molybdenum dithiocarbamate (MoDTC) and a polyalkylene glycol (PAG) in a base oil, the weight average molecular weight of the polyalkylene glycol is 2750-4500 and the content of the polyalkylene glycol is not less than 0.05 mass % and less than 10 mass % relative to the total mass of the composition. 1. A lubricating oil composition for internal combustion engines , which is characterized in that the lubricating oil composition for internal combustion engines is a composition obtained by blending a molybdenum dithiocarbamate (MoDTC) and a polyalkylene glycol (PAG) in a base oil , the weight average molecular weight of the polyalkylene glycol is 2750-4500 and the content of the polyalkylene glycol is not less than 0.05 mass % and less than 10 mass % relative to the total mass of the composition.2. The lubricating oil composition for internal combustion engines according to claim 1 , which can be used in both internal combustion engines equipped with a DLC and internal combustion engines not equipped with a DLC.3. The lubricating oil composition for internal combustion engines according to claim 1 , wherein the polyalkylene glycol is polypropylene glycol (PPG). The present invention relates to a lubricating oil composition for internal combustion engines, which contains prescribed components.Many lubricating oil compositions have been proposed in the past. For example, WO2005014763 proposes a lubricating oil that contains a lubricant base oil and a sulfur-containing molybdenum complex. Meanwhile, “Wear Analysis of DLC Coating in Oil Containing Mo-DTC ...

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Номер записи: 26
12-01-2017 дата публикации

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

Номер: US20170009116A1
Автор: Basu Rajat, Hofman Bjorn, HULSE RYAN, Knopeck Gary, RICHARD Robert G., Singh Rajiv Ratna, Williams David J., Zyhowski Gary John
Принадлежит:

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— ...

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Номер записи: 27
12-01-2017 дата публикации

Working Fluid Composition for Refrigerator and Refrigeration Oil

Номер: US20170009170A1
Автор: Akira Tada, Hitoshi Takahashi, Ken Sawada, Souichirou Konno
Принадлежит: JX Nippon Oil and Energy Corp

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.

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Номер записи: 28
14-01-2021 дата публикации

REFRIGERATOR, REFRIGERATOR OIL, WORKING FLUID COMPOSITION FOR REFRIGERATOR

Номер: US20210009884A1
Автор: MIZUTANI Yuya, NAGAI Satoshi, OGATA Hidetoshi, Yamaguchi Kentaro
Принадлежит: ENEOS CORPORATION

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 ...

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Номер записи: 29
10-01-2019 дата публикации

Use of rare earth complexes as markers of petroleum products, crude oils, biofuels or lubricants

Номер: US20190010413A1
Автор: Anatole COLLET, Antoine Vanlaer, Arthur Marais, Fabien ROSSETTI, Florian LEPOIVRE, Francois Ghillebaert, Mahmoud OULD-METIDJI, Matteo Martini, Olivier Tillement
Принадлежит: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS, Inoventeam, Universite Claude Bernard Lyon 1 UCBL

The use, as markers of petroleum products, crude oils, biofuels or lubricants, of rare earth complexes or one of the constituents thereof chosen from rare earth ligands or salts, being capable of forming a rare earth complex after the addition of a developing solution. Preferably, the rare earth complex can be detected by time-resolved fluorescence. Also, a marking method and a method for detecting a rare earth complex as a marker of petroleum products, crude oils, biofuels or lubricants.

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Номер записи: 30
09-01-2020 дата публикации

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

Номер: US20200010777A1
Автор: FUKUSHIMA Masato, Saito Rei
Принадлежит:

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 ...

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Номер записи: 31
19-01-2017 дата публикации

REFRIGERATOR OIL AND REFRIGERATOR WORKING FLUID COMPOSITION

Номер: US20170015935A1
Автор: Konno Souichirou, TADA Akira, Takahashi Hitoshi, Takahashi Tsutomu
Принадлежит:

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 ...

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Номер записи: 32
18-01-2018 дата публикации

Compositions and Methods for Marking Hydrocarbon Compositions With Non-Mutagenic Dyes

Номер: US20180016506A1
Автор: DOSHI Haresh, FRISWELL Michael, NOWAKOWSKI Thomas E.
Принадлежит: United Color Manufacturing Inc.

The disclosure provides dyes for marking hydrocarbon compositions. More particularly, the disclosure relates to non-mutagenic dyes for marking hydrocarbon compositions. 2. The compound according to claim 1 , wherein R is a methyl group.3. The compound according to claim 1 , wherein Ris a methyl group.4. The compound according to claim 1 , wherein R is an ethyl group or an isopropyl group.5. The compound according to claim 1 , wherein Ris an ethyl group or an isopropyl group.6. The compound according to claim 1 , wherein R is a methyl group and Ris a methyl group.7. The compound according to claim 1 , wherein R is an ethyl group or an isopropyl group and Ris an ethyl group or an isopropyl group.8. The compound according to claim 1 , wherein Ris an alkyl group containing from 7 to 9 carbon atoms.9. The compound according to claim 1 , wherein n is 1.10. The compound according to claim 1 , wherein R is a methyl group claim 1 , Ris a methyl group claim 1 , and R2 is a heptyl group claim 1 , an octyl group claim 1 , or a nonyl group.11. The compound according to claim 10 , wherein Ris a heptyl group.12. The compound according to claim 11 , wherein n is 1.13. The compound according to claim 1 , wherein R is an ethyl group or an isorpropyl group claim 1 , Ris an ethyl group or an isopropyl group claim 1 , and Ris a heptyl group claim 1 , an octyl group claim 1 , or a nonyl group.14. The compound according to claim 13 , wherein Ris a heptyl group.15. The compound according to claim 14 , wherein n is 1. This application claims the benefit of and incorporates herein by reference for all purposes U.S. Provisional Patent Application Ser. No. 62/362,975 filed on Jul. 15, 2016 and entitled “Compositions and Methods for Marking Liquid Hydrocarbon Compositions With Non-Mutagenic Dyes”.Not ApplicableThe field of the invention are dyes for marking hydrocarbon compositions. More particularly, the invention relates to non-mutagenic dyes for marking hydrocarbon compositions. Dyes have ...

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Номер записи: 33
18-01-2018 дата публикации

Ionic Liquid, Lubricant, and Magnetic Recording Medium

Номер: US20180016510A1
Автор: Hirofumi Kondo, Kouki Hatsuda, KyungSung Yun, Nobuo Tano
Принадлежит: Dexerials Corp

A lubricant, which includes an ionic liquid including a conjugate base and a conjugate acid including 2 or more cations in a molecule of the conjugate acid, wherein the conjugate acid includes a monovalent group including a straight-chain hydrocarbon group having 6 or more carbon atoms, and an acid that is a source of the conjugate base has a pKa in acetonitrile of 10 or less.

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Номер записи: 34
16-01-2020 дата публикации

Stimuli-Responsive Micro-Reservoirs for Release of Encapsulants

Номер: US20200016564A1
Автор: Kalpana Madgula, Sumedh Surwade
Принадлежит: Sas Nanotechnologies LLC

This invention relates to polymer-based partially-open, hollow reservoirs in the nano-size to micro-size range that encapsulate an additive, which can be released from the reservoirs using specific event stimuli such as reduction-oxidation and voltage change, or at will, using the same stimuli. This invention also relates to method preparing such reservoirs, and for releasing the additive. This invention further relates to matrix that comprises such reservoirs and the method of preparing such matrix. This invention also relates to applications, for example in corrosion inhibition, lubrication, and adhesion, that benefit from using such a controlled release of an additive.

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Номер записи: 35
16-01-2020 дата публикации

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

Номер: US20200017740A1
Автор: Basu Rajat, Hofman Bjorn, HULSE RYAN, Knopeck Gary, RICHARD Robert G., Singh Rajiv Ratna, Williams David J., Zyhowski Gary John
Принадлежит:

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 ...

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Номер записи: 36
28-01-2016 дата публикации

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

Номер: US20160025395A1
Автор: Charles Harkins
Принадлежит: Hudson Technologies Inc

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%.

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Номер записи: 37
24-01-2019 дата публикации

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

Номер: US20190023956A1
Автор: Boussand Beatrice, Rached Wissam
Принадлежит: Arkema France

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 ...

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Номер записи: 38
24-01-2019 дата публикации

STABLE LUBRICANT EMULSION

Номер: US20190024012A1
Автор: Daly Daniel
Принадлежит:

A stable lubricant emulsion composition for use in engine and gear applications is provided. The emulsion includes a base petroleum oil, an aqueous salt solution that functions as a friction/wear modifier, and a polymeric non-ionic surfactant composition having a hydrophilic-lipophilic balance value in the range of 2.5 to 7 and an average molecular weight in the range of 1,000 to 3,000. The surfactant composition may include a polyester surfactant, a PIB succinimide surfactant, a PIB amine surfactant, or a mixture thereof. 1. A lubricant composition , said composition comprising a water-in-oil emulsion comprising:a base oil;a friction modifier in the form of an aqueous salt solution; and 'wherein the dispersant has an average molecular weight in the range of 1,000 to 3,000 and a hydrophilic-lipophilic balance value in the range of 2.5 to 7.', 'a polymeric dispersant in an amount effective to form a stable emulsion,'}2. The lubricant composition of claim 1 , wherein the dispersant has a hydrophilic-lipophilic balance value in the range of 4 to 6.3. The lubricant composition of claim 1 , wherein the dispersant has an average molecular weight in the range of 1 claim 1 ,000 to 2 claim 1 ,000.4. The lubricant composition of claim 1 , wherein the dispersant comprises a polyester surfactant claim 1 , a PIB succinimide surfactant claim 1 , a PIB amine surfactant claim 1 , or a mixture thereof.5. The lubricant composition of claim 1 , wherein the dispersant comprises a polyester surfactant mixed with a PIB succinimide surfactant.6. The lubricant composition of claim 1 , wherein the dispersant comprises a polyester surfactant mixed with a PIB amine surfactant.7. The lubricant composition of claim 1 , wherein the emulsion is stable for at least six weeks.8. A method for formulating a water-in-oil emulsion comprising: a base oil; a friction modifier in the form of an aqueous salt solution; and a polymeric dispersant having an average molecular weight in the range of 1 claim 1 , ...

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Номер записи: 39
29-01-2015 дата публикации

Heat transfer compositions having improved miscibility with lubricating oil

Номер: US20150027146A1
Автор: Beatrice Boussand
Принадлежит: Arkema France SA

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.

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Номер записи: 40
02-02-2017 дата публикации

USE OF R-1233 IN LIQUID CHILLERS

Номер: US20170029679A1
Автор: Bonnet Philippe, Van Horn Brett L.
Принадлежит:

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 ...

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Номер записи: 41
02-02-2017 дата публикации

METHOD OF SELECTING REFRIGERANT-LUBRICANT COMBINATIONS

Номер: US20170029680A1
Автор: Bonnet Philippe, Van Horn Brett L.
Принадлежит:

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 ...

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Номер записи: 42
02-02-2017 дата публикации

Lubricant for preventing and removing carbon deposits in internal combustion engines

Номер: US20170029734A1
Автор: Daniel J. Dotson, Frances E. Lockwood, Jamie DAASCH, Joshua Frederick, Ying Yang
Принадлежит: Valvoline Licensing and Intellectual Property LLC

A lubricant formulation which is effective to remove or prevent carbon deposits in internal combustion engines has a solvency as defined by aniline point from about 20 to about 115, a volatility (as measured by NOACK) of less than 15%, an oxidative stability (as measured by PDSC) of above 40 minutes and a base oil viscosity of above 2 and below 10 cSt. The lubricant formulation can be formed from a blend of Group III, IV and V lubricants, in particularly polyalphaolefins, alkylated naphthalenes and polar Group V base stocks such as polyol esters. The carbon deposits can be removed from the engine piston by simply running the engine with the lubricant for one required cycle, or can be used continuously in the engine to prevent buildup.

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Номер записи: 43
01-02-2018 дата публикации

Heat transfer methods, systems and compositions

Номер: US20180030324A1
Автор: Ankit SETHI, Elizabet Del Carmen Vera Becerra, Gregory Laurence SMITH, Gustavo Pottker, Joshua Close, Samuel F. Yana Motta, Yang Zou
Принадлежит: Honeywell International Inc

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.

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Номер записи: 44
31-01-2019 дата публикации

REFRIGERANT COMPRESSOR AND FREEZING APPARATUS USING SAME

Номер: US20190032971A1
Автор: ISHIDA Yoshinori, Oyagi Shingo
Принадлежит:

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 ...

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Номер записи: 45
09-02-2017 дата публикации

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

Номер: US20170037291A1
Автор: Boussand Beatrice, Rached Wissam
Принадлежит: Arkema France

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 ...

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Номер записи: 46
09-02-2017 дата публикации

WORKING FLUID COMPOSITION FOR REFRIGERATOR, AND REFRIGERATOR OIL

Номер: US20170037337A1
Автор: HAYASHI Genki, HOSHIDA Takahiro, KANO Takekazu, Konno Souichirou, MUKAWA Hajime, MUTO Masataka, Sawada Ken, TADA Akira, Takahashi Hitoshi, YAMAMOTO Kazuki
Принадлежит:

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 ...

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Номер записи: 47
12-02-2015 дата публикации

Sliding member

Номер: US20150040697A1
Автор: Kyohei Yamane, Shingo Goto
Принадлежит: Taiho Kogyo Co Ltd

A swash plate type compressor is arranged with a plurality of semispherical shoes and a disc shaped swash plate. A resin coating is formed on a surface and a rear surface (sliding surface) of the swash plate which slides with the shoe. The resin coating includes a structure whereby multiple hexagonal cylinder bodies are fabricated on a surface of a substrate and an end surface of each cylinder body forms a sliding surface which slides with the shoe. In addition, a honeycomb shaped groove is formed at an adjacent position of each cylinder body forming a storage part of a lubricant O and a container part for foreign objects. The swash plate can be provided with excellent wear resistance, seizure resistance and lubrication retention.

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Номер записи: 48
08-02-2018 дата публикации

Refrigerator oil and working fluid composition for refrigerators

Номер: US20180037836A1
Автор: Hitoshi Takahashi, Kentaro Yamaguchi, Souichirou Konno, Yohei SHONO
Принадлежит: JXTG Nippon Oil and Energy Corp

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.

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Номер записи: 49
08-02-2018 дата публикации

GREASE AND METHOD FOR MANUFACTURING GREASE

Номер: US20180037842A1
Автор: KUMAGAI Hiromu, SUETSUGU Yoshiyuki
Принадлежит: IDEMITSU KOSAN CO., LTD.

A grease of the invention contains a base oil and a thickener, where, when the volumetric-based arithmetic mean particle size of particles contained in the grease measured using laser diffraction/scattering method is A (unit: μm), a formula A≦3 (1) is satisfied. 1: A grease , comprising:a base oil; anda thickener, {'br': None, 'i': 'A≦', '3\u2003\u2003(1).'}, 'wherein A (unit: μm) representing a volumetric-based arithmetic mean particle size of particles comprised in the grease calculated using laser diffraction/scattering method satisfies a formula (1)2: The grease according to claim 1 , wherein the thickener is one of urea claim 1 , a thickener for a simple soap grease claim 1 , and a thickener for a complex grease.3: The grease according to claim 2 , wherein the thickener is one of a calcium soap claim 2 , a lithium soap claim 2 , a sodium soap claim 2 , a calcium complex soap claim 2 , a lithium complex soap claim 2 , and a calcium sulfonate complex soap.4: The grease according to claim 2 , wherein;the thickener is urea,the urea is a reaction product of a monoamine and a diisocyanate, andthe monoamine is composed of a single amine compound or is a mixture of a plurality of amine compounds.5: The grease according to claim 1 , wherein the grease is prepared by mixing the thickener or a precursor of the thickener in the base oil to provide a mixture solution claim 1 , and applying a minimum shear rate of 10sor more to the mixture solution.6: The grease according to claim 1 , wherein the grease is prepared by mixing a first base oil comprising a first thickener precursor and a second base oil comprising a second thickener precursor to prepare a mixture solution claim 1 , and applying a minimum shear rate of 10sor more to the mixture solution.7: A manufacturing method of a grease claim 1 , the method comprising:{'sup': 2', '−1, 'applying a minimum shear rate of 10sor more to at least one of a first base oil comprising a first thickener precursor and a second base oil ...

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Номер записи: 50
24-02-2022 дата публикации

Compounds

Номер: US20220056206A1
Автор: Andrew Sharratt
Принадлежит: Mexichem Fluor SA de CV

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.

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Номер записи: 51
06-02-2020 дата публикации

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

Номер: US20200040242A1
Автор: FUKUSHIMA Masato, MITSUOKA Hiroaki, Tasaka Mai
Принадлежит: AGC Inc.

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 ...

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Номер записи: 52
06-02-2020 дата публикации

REFRIGERATION APPARATUS

Номер: US20200041173A1
Автор: MATSUURA Hideki, Nakai Akinori, Taira Shigeharu, TANAKA Masaru
Принадлежит:

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 ...

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Номер записи: 53
18-02-2021 дата публикации

Lubricant And Refrigerant Compositions Comprising Polyalkylene Glycols And Uses Thereof

Номер: US20210047578A1
Автор: Christopher SEETON, Elizabeth Dixon
Принадлежит: Shrieve Chemical Products LLC

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.

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Номер записи: 54
16-02-2017 дата публикации

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

Номер: US20170044461A1
Автор: Konno Souichirou, Takahashi Hitoshi, Takahashi Tsutomu
Принадлежит: JX NIPPON OIL & ENERGY CORPORATION

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 ...

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Номер записи: 55
16-02-2017 дата публикации

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

Номер: US20170044462A1
Автор: Konno Souichirou, Takahashi Hitoshi, Takahashi Tsutomu
Принадлежит: JX NIPPON OIL & ENERGY CORPORATION

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 ...

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Номер записи: 56
15-02-2018 дата публикации

Lubricant additive

Номер: US20180044604A1
Автор: Amarendra K. Rai
Принадлежит: UES Inc

A lubricant formulation. The lubricant formulation includes a polyol-based base lubricant, an ionic liquid, and an organic nanoparticle. The ionic liquid is selected from the group consisting of trihexyltetradecylphosphonium bis(2-ethylhexyl) phosphate, trihexyl(tetradecyl)phosphonium bis-2,4,4-(trimethylpentyl)phosphinate, and trihexyl(tetradecyl)phosphonium bis(trifluoromethylsulfonyl)imide, or a combination thereof. The organic nanoparticle has a median particle size less than about 200 nm. The organic nanoparticle forms about 0.01 to about 5% by weight of the lubricant formulation. The ionic liquid forms about 0.5 to about 10% by weight of the lubricant formulation.

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Номер записи: 57
15-02-2018 дата публикации

REFRIGERATOR OIL AND WORKING FLUID COMPOSITION FOR REFRIGERATORS

Номер: US20180044607A1
Автор: Sawada Ken, TADA Akira
Принадлежит: JXTG NIPPON OIL & ENERGY CORPORATION

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 ...

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Номер записи: 58
15-02-2018 дата публикации

OIL DETECTION PROCESS AND APPARATUS

Номер: US20180045655A1
Автор: Cadieux, Faenza William James, JR. Edmond J.
Принадлежит:

An inspection station for detecting oil or lubricant contamination in a manufactured product, the inspection station having (a) a conveyor for advancing manufactured product, and (b) an infrared detection apparatus, including (i) a high intensity infrared light source for directing at the manufactured product, and (ii) a high speed NIR spectrometer sensor tuned to detect an emitted signal from a taggant disposed in the oil or lubricant. 1. An inspection station for detecting oil or lubricant contamination in a manufactured product , comprising(a) a conveyor for advancing manufactured product; and (i) a high intensity infrared light source for directing at the manufactured product, and', '(ii) a high speed NIR spectrometer sensor tuned to detect an emitted signal from a taggant disposed in the oil or lubricant,, '(b) an infrared detection apparatus, said infrared detection apparatus includingwherein said infrared detection apparatus is positioned proximate said conveyor for advancing manufactured product at a distance effective to enable detection of emitted IR radiation as each advancing successive manufactured product is irradiated.2. The inspection station of claim 1 , wherein the taggant is an Indocyanine Green complex.3. The inspection station of claim 2 , wherein the taggant disposed in the oil or lubricant is a Stokes-shifting taggant claim 2 , which absorbs infrared radiation at a first wavelength and fluoresces at a second wavelength claim 2 , different from said first wavelength.4. The inspection station of claim 3 , wherein said first wavelength is about 805 nanometers and said second wavelength is about 840 nanometers.5. The inspection station of claim 1 , wherein the taggant is oil or lubricant soluble.6. The inspection station of claim 5 , wherein the taggant is added to the oil or lubricant at a concentration of between about 10 ppm and 100 ppm.7. The inspection station of claim 6 , wherein the taggant is added to the oil at a concentration of about 50 ...

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Номер записи: 59
14-02-2019 дата публикации

Refrigeration apparatus

Номер: US20190048240A1
Автор: Masaru Tanaka, Shigeharu Taira, Tomoyuki Haikawa, Yoshiki Shimizu
Принадлежит: Daikin Industries Ltd

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.

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Номер записи: 60
25-02-2021 дата публикации

REFRIGERATOR OIL

Номер: US20210054301A1
Автор: MIZUTANI Yuya, NAKAJIMA Tatsuki, OGATA Hidetoshi, Okido Takeshi, SHONO Yohei, TADA Akira
Принадлежит:

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 ...

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Номер записи: 61
13-02-2020 дата публикации

USE OF BIODEGRADABLE HYDROCARBON FLUIDS AS DRILLING FLUIDS

Номер: US20200048525A1
Автор: DOUCET Clarisse, GERMANAUD Laurent, ROBINSON John Philippe
Принадлежит: TOTAL MARKETING SERVICES

The invention is a fluid having a kinematic viscosity from 3 to 6 mm/s, a flash point of higher than 120° C. and a pour point lower than −40° C., having a boiling point in the range of from 200° C. to 400° C. and a boiling range below 80° C., said fluid comprising more than 95% isoparaffins and less than 3% of naphthens by weight, a biocarbon content of at least 95% by weight, containing less than 100 ppm aromatics by weight. The invention is also a drilling fluid and the use of the fluid to improve the viscosity of the drilling fluid. 116.-. (canceled)17. Fluid having a kinematic viscosity at 40° C. from 3 to 6 mm2/s , a flash point of higher than 120° C. and a pour point lower than −40° C. , having a boiling point in the range of from 200° C. to 400° C. and a boiling range below 80° C. , said fluid comprising more than 95% isoparaffins and less than 3% of naphthens by weight , a biocarbon content of at least 95% by weight , containing less than 100 ppm aromatics by weight.18. Fluid of claim 17 , having a pour point lower than −50° C.19. Fluid of claim 17 , consisting of one fraction having an initial boiling point of at least 260° C. and a final boiling point of about less than about 320° C.20. Fluid of claim 17 , consisting of a mixture of two fractions claim 17 , each fraction having a boiling point in the range 220° C.-340° C. claim 17 , and a boiling range of less than 80° C. claim 17 ,where at least one fraction has an initial boiling point higher than 250° C., orwhere at least one fraction has an initial boiling point lower than 250° C.21. Fluid of claim 17 , consisting of a mixture of three fractions claim 17 , each fraction having a boiling point in the range 220° C.-340° C. claim 17 , and a boiling range of less than 80° C. claim 17 ,where at least one fraction has an initial boiling point higher than 250° C.,where at least one fraction has an initial boiling point lower than 250° C.22. Fluid of claim 17 , wherein the fluid is obtainable by the process ...

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Номер записи: 62
13-02-2020 дата публикации

Lubricant for Low Global Warming Potential Refrigerant Systems

Номер: US20200048577A1
Автор: Baker Mark R., Foster Michael G., Karnaz Joseph A., Turner Neil D.
Принадлежит:

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 ...

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Номер записи: 63
23-02-2017 дата публикации

WATER, BUBBLE COLLAPSE AND SYNGAS SPECIES IN THE SYNTHESIS OF GRAPHENE AND ITS DERIVATIVES

Номер: US20170050855A1
Автор: Shankman Richard S.
Принадлежит: Peerless Worldwide, LLC

Hydrodynamic cavitation-inducing inertial, non-inertial, and combination reactors are employed in the hydrothermal synthesis of graphene and its derivatives, both in solution and vapor. Various hydrodynamic cavitation reactor embodiments are revealed. Water is used to both nucleate and “self-heal” graphene sheet growth in solution and vapor. Various methods of combustion, hydrothermal and dehydration synthesis of graphene and its derivatives are revealed. Additionally, water and ice are used as a substrate, both alone and in combination with other substrates, to grow and recover useful graphene and its derivatives. 1. A method of graphene synthesis , comprising:(a) creation of synthesis gas species from the hydrothermal heating of a carbonaceous material in a reaction chamber;(b) collection, direction and removal of the resulting vapors from the reaction chamber to a substrate; and(c) deposition of graphene on the surface of the substrate.2. The method of claim 1 , wherein the substrate comprises water.3. The method of claim 2 , further comprising application of sonication claim 2 , ultrasonication claim 2 , surfactant claim 2 , oxidizing agents claim 2 , reducing agents claim 2 , ionizing irradiation claim 2 , pH adjustment claim 2 , pressurization claim 2 , depressurization claim 2 , heating claim 2 , vibration claim 2 , UV radiation claim 2 , DUV radiation claim 2 , sound waves claim 2 , microwaves claim 2 , magnetism claim 2 , MASER (Microwave Amplification by Simulated Emission of Radiation) claim 2 , SASER (Sound Amplification by Simulated Emission of Radiation) claim 2 , electric current claim 2 , electrical arc claim 2 , heat claim 2 , cooling claim 2 , deuterium oxide (DO) claim 2 , semi-heavy water (HDO) claim 2 , hydrogen peroxide (HO) claim 2 , glycol or combinations thereof to the substrate.4. The method of claim 1 , wherein the substrate comprises ice or dry ice.5. The method of claim 1 , wherein the substrate comprises a solid surface claim 1 , ...

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Номер записи: 64
05-03-2015 дата публикации

Threaded joint for pipes

Номер: US20150061287A1
Автор: Hiroshi Chikatsune, Jun Takano, Kazunari Takahashi, Masaki Yoshikawa, Masateru Ueta, Nobuhiko Morioka, Takamasa Kawai, Takuya Nagahama
Принадлежит: JFE Steel Corp

In the threaded joint for pipes, a coating having a Vickers hardness greater than or equal to 310 is formed on a threaded portion of the box and an inner face of the box corresponding to a seal portion. The seal interference amount ratio δ/D of the seal portion in a pipe circumferential direction is greater than or equal to 0.002, where D is a seal diameter defined as an outside diameter of the pin at a seal point that is a point on the outer peripheral face of the nose of the pin at which the outer peripheral face first comes into contact with the inner peripheral face of the nose of the box and δ is an interference amount defined as an amount by which the outside diameter at the seal point is reduced by the box when the pin and the box are threadedly connected with each other.

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Номер записи: 65
15-05-2014 дата публикации

Lubricant oil composition for compression refrigerator

Номер: US20140135241A1
Автор: Tomoya Matsumoto
Принадлежит: Idemitsu Kosan Co Ltd

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.

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Номер записи: 66
10-03-2022 дата публикации

Method of inspecting lubricating oil composition and method of producing lubricating oil composition

Номер: US20220074840A1
Автор: Hitomi KANE, Kunio Kondo, Ryuji Monden, Yasuyuki Sakaguchi
Принадлежит: Showa Denko KK

The invention provides a method of inspecting a lubricating oil composition and a method of producing a lubricating oil composition. The inspecting method is capable of stably reproducing wear resistance characteristics by using a relatively easy measuring method even in the case where the lubricating oil composition contains a fullerene. In the method of inspecting the lubricating oil composition, the particle size (r) of particles present in the lubricating oil composition containing a base oil and fullerene is measured, and the lubricating oil composition is sorted on the basis of a predetermined range of the particle size (r) set by the relationship between the measured value of the particle size (r) and the measured value of the wear coefficient of the lubricating oil composition.

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Номер записи: 67
01-03-2018 дата публикации

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

Номер: US20180057723A1
Автор: Patti Angelo, Sakowicz Edward Stanley
Принадлежит:

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 ...

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Номер записи: 68
01-03-2018 дата публикации

Refrigerator lubricating oil and mixed composition for refrigerator

Номер: US20180057766A1
Автор: Masato Kaneko
Принадлежит: Idemitsu Kosan Co Ltd

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.

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Номер записи: 69
02-03-2017 дата публикации

COMPOSITION FOR HEAT CYCLE SYSTEM AND HEAT CYCLE SYSTEM

Номер: US20170058172A1
Автор: FUKUSHIMA Masato, MITSUOKA Hiroaki
Принадлежит: Asahi Glass Company, Limited

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 ...

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Номер записи: 70
04-03-2021 дата публикации

Polymeric-inorganic nanoparticle compositions, manufacturing process thereof and their use as lubricant additives

Номер: US20210062106A1
Автор: Daniel Ness, Gunter Schmitt, Michael Hagemann, Rebecca Justel, Roland WILKENS, Sofia SIRAK, Stephan Wieber
Принадлежит: EVONIK OPERATIONS GMBH

The invention relates to polymeric-inorganic nanoparticle compositions and preparation processes thereof. The invention also relates to an additive and lubricant composition comprising these polymeric-inorganic nanoparticle compositions, as well as to the use of these polymeric-inorganic nanoparticle compositions in an oil lubricant formulation to improve tribological performance, in particular to improve anti-friction performance on metal parts.

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Номер записи: 71
05-03-2015 дата публикации

Metal working fluid composition and method of detecting fluid deterioration

Номер: US20150064741A1
Автор: Emily J. Gibbons, II Steven M. Badger, Jacob F. Harkey, Leroy N. Hitchcock
Принадлежит: ILLINOIS TOOL WORKS INC

A wear-indicating metalworking fluid is provided that includes a lubricant base; and a wear-indicating agent. A method of determining wear in a metalworking fluid includes providing wear-indicating metalworking fluid that contains a lubricant base and a wear indicating agent; and observing the visual appearance of the metalworking fluid. A change in visual appearance of the metalworking fluid when compared to an unused metalworking fluid indicates wear of the metalworking fluid.

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Номер записи: 72
05-03-2015 дата публикации

Lubricating oil composition for refrigerating machines

Номер: US20150065407A1
Автор: Tadashi Kisen, Tomoya Matsumoto
Принадлежит: Idemitsu Kosan Co Ltd

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.

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Номер записи: 73
28-02-2019 дата публикации

WORKING FLUID COMPOSITION FOR REFRIGERATOR

Номер: US20190062613A1
Автор: Adegawa Kuniko, Konno Souichirou, Okido Takeshi, Saito Masanori
Принадлежит: JXTG NIPPON OIL & ENERGY CORPORATION

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. ...

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Номер записи: 74
17-03-2022 дата публикации

Diluent oils for viscosity modifiers and additive packages

Номер: US20220081641A1
Автор: Akhilesh Duggal, Beatrice M. Gooding, Charles L. Baker, Jr., Lauren F. McKibben, Samantha Novoa, Toufic Aridi
Принадлежит: ExxonMobil Research and Engineering Co

Embodiments of the present disclosure generally relate to diluent oils for viscosity modifiers and additive packages. Embodiments of the present disclosure also generally relate to lubricating oil compositions that include viscosity modifier concentrates and lubricating oil compositions that include additive package concentrates. Improved diluent oils capable of conveniently and cost effectively improving overall lubricant performance are provided.

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Номер записи: 75
28-02-2019 дата публикации

Steel wire rope, elevator provided with steel wire rope, lubricant for steel wire rope, and use of lubricant for lubricating the steel wire rope

Номер: US20190062993A1
Автор: Raimo Pelto-Huikko
Принадлежит: Kone Corp

A wire rope is disclosed that comprises metal wires, preferably steel wires, as a load-bearing material, which rope comprises at least one or more strands laid from said metal wires and which rope is lubricated with a lubricant. Another object is the use of the aforementioned lubricant for lubricating a steel rope. The lubricant comprises at least oil and powder substance, which powder substance comprises at least particles whose hardness is greater than 4 on the Mohs scale. A traction sheave elevator comprising such a wire rope as a suspension rope is disclosed, too.

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Номер записи: 76
19-03-2015 дата публикации

Working fluid composition for refrigerator

Номер: US20150076393A1
Автор: Hiroko Shimpo, Ken Sawada, Kuniko ADEGAWA, Masanori Saito
Принадлежит: JX Nippon Oil and Energy Corp

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.]

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Номер записи: 77
24-03-2022 дата публикации

COMPOSITION FOR HEAT CYCLE SYSTEM, AND HEAT CYCLE SYSTEM

Номер: US20220089927A1
Автор: FUKUSHIMA Masato, MITSUOKA Hiroaki, Tasaka Mai
Принадлежит: AGC Inc.

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 ...

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Номер записи: 78
16-03-2017 дата публикации

COMPOSITIONS CONTAINING CHLOROFLUOROOLEFINS OR FLUOROOLEFINS

Номер: US20170073558A1
Автор: Johnson Robert C., Shankland Ian, SINGH Rajiv R., TUNG HSUEH S.
Принадлежит:

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 ...

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Номер записи: 79
16-03-2017 дата публикации

COMPOSITIONS COMPRISING A FLUOROOLEFIN

Номер: US20170073559A1
Автор: Minor Barbara Haviland, RAO VELLIYUR NOTT MALLIKARJUNA
Принадлежит:

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 ...

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Номер записи: 80
16-03-2017 дата публикации

TETRAFLUOROPROPENE COMPOSITIONS AND USES THEREOF

Номер: US20170073561A1
Автор: BIVENS DONALD BERNARD, Leck Thomas Joseph, Minor Barbara Haviland
Принадлежит:

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 , ...

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Номер записи: 81
15-03-2018 дата публикации

Low-Oil Refrigerants and Vapor Compression Systems

Номер: US20180073785A1
Автор: Chaudhry Zaffir A., Dardas Zissis A., Goberman Daniel G., Jonsson Ulf J., Opalka Susanne M., Sishtla Vishnu M., Tang Xia
Принадлежит: CARRIER CORPORATION

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 ...

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Номер записи: 82
16-03-2017 дата публикации

Refrigerator Oil, and Working Fluid Composition for Refrigerators

Номер: US20170073602A1
Автор: Konno Souichirou, Okido Takeshi, Shimpo Hiroko, Takahashi Hitoshi, Takahashi Tsutomu
Принадлежит: JX NIPPON OIL & ENERGY CORPORATION

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, ...

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Номер записи: 83
16-03-2017 дата публикации

LUBRICANT COMPOSITION BASED ON METAL NANOPARTICLES

Номер: US20170073612A1
Автор: DASSENOY Fabrice, Thiebaut Benoit, USSA Paula
Принадлежит: TOTAL MARKETING SERVICES

The present disclosure relates to a lubricant composition including an anti-wear additive and metal nanoparticles. The lubricant composition according to the disclosure has, simultaneously, good stability as well as good, long-lasting friction properties. 1. A lubricant composition comprising a kinematic viscosity at 100° C. measured according to standard ASTM D445 ranging from 4 to 50 cSt and further comprising at least one base oil , at least one compound comprising a dithiophosphate group and metal nanoparticles at a content by weight ranging from 0.01 to 2% with respect to a total weight of the lubricant composition.2. The lubricant composition according to claim 1 , wherein the metal of which the metal nanoparticle is included is selected from a group comprising one of: tungsten claim 1 , molybdenum claim 1 , zirconium claim 1 , hafnium claim 1 , platinum claim 1 , rhenium claim 1 , titanium claim 1 , tantalum claim 1 , niobium claim 1 , cerium claim 1 , indium and tin.3. The lubricant composition according to claim 1 , wherein the metal nanoparticles are selected from a group comprising one of: MoS claim 1 , MoSe claim 1 , MoTe claim 1 , WS claim 1 , WSe claim 1 , ZrS claim 1 , ZrSe claim 1 , HfS claim 1 , HfSe claim 1 , PtS claim 1 , ReS claim 1 , ReSe claim 1 , TiS claim 1 , ZrS claim 1 , ZrSe claim 1 , HfS claim 1 , HfSe claim 1 , TiS claim 1 , TaS claim 1 , TaSe claim 1 , NbS claim 1 , NbSeand NbTe.4. The lubricant composition according to claim 1 , wherein the metal nanoparticles are concentric polyhedrons with a multilayer or sheet structure.5. The lubricant composition according to claim 1 , wherein the content by weight of the metal nanoparticles ranges from 0.05 to 2% with respect to the total weight of the lubricant composition.6. The lubricant composition according to claim 1 , wherein an average size of the metal nanoparticles ranges from 5 to 600 nm.7. The lubricant composition according to claim 1 , wherein the compound comprising a ...

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Номер записи: 84
16-03-2017 дата публикации

LEAK DETECTOR SENSOR SYSTEMS USING TAG-SENSITIZED REFRIGERANTS

Номер: US20170074747A1
Автор: Scancarello Marc Joseph
Принадлежит: EMERSON CLIMATE TECHNOLOGIES, INC.

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 ...

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Номер записи: 85
19-03-2015 дата публикации

Electrorheological Compositions

Номер: US20150080279A1
Автор: Adams Dorothea, Hensgen Heinz Ulrich, Kieser Daniel
Принадлежит:

The present invention relates to an electrorheological composition with corrosion-inhibiting properties, methods for the production thereof and the use thereof. 1. Electrorheological composition , containing essentially(I) a polymer or polymer mixture;(II) one or more electrolytes dissolved or dispersed in (I);(III) if applicable, one or more additives that are miscible with the solution of (I) and (II);(IV) if applicable, one or more viscosity-increasing additives that react with (I);(V) one or more dispersing agents; as well as(VI) one or more non-aqueous dispersion media,characterized in that said electrolytes (II) are one or more organic ionic compounds, and said composition is essentially free of inorganic anions.2. Electrorheological composition according to claim 1 , characterized in that (I) consists of linear or branched claim 1 , if applicable functionalized claim 1 , polyethers or their oligomonomers claim 1 , or the reaction or conversion product of such polyethers or their oligomonomers with mono- or oligo-functional compounds.3. Electrorheological composition according to claim 1 , characterized in that (I) or its mono- and/or oligo-meric initial substances are present in liquid form during the dispersing process claim 1 , however if applicable converted into a higher viscosity or solid form through the addition of reactive additives (IV) before claim 1 , during or after the dispersing.4. Electrorheological composition according to claim 1 , characterized in that it contains as the component (VI) one or more compounds selected from the group consisting of silicone oils claim 1 , fluorine-containing siloxanes and hydrocarbons.5. Electrorheological composition according to claim 1 , characterized in that it contains as the component (V) one or more compounds selected from the group consisting of polysiloxane-polyether-copolymerisates claim 1 , amino group-containing alkoxypolysiloxanes and amino group-containing acetoxypolysiloxanes.6. Method for the ...

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Номер записи: 86
14-03-2019 дата публикации

REFRIGERATOR OIL

Номер: US20190078005A1
Автор: MIZUTANI Yuya, OGATA Hidetoshi, Okido Takeshi, SHONO Yohei, TADA Akira
Принадлежит: JXTG NIPPON OIL & ENERGY CORPORATION

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 ...

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Номер записи: 87
22-03-2018 дата публикации

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

Номер: US20180079942A1
Автор: Patti Angelo, Sakowicz Edward Stanley
Принадлежит:

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 ...

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Номер записи: 88
22-03-2018 дата публикации

NANOSHEET COMPOSITIONS AND THEIR USE IN LUBRICANTS AND POLISHING SLURRIES

Номер: US20180079989A1
Автор: Chen Yunyun, He Xingliang, Kim Chung-jwa, LIANG Hong, Xiao Huaping
Принадлежит: The Texas A&M University System

Lubrication and friction reduction improves fuel efficiency and reduces energy consumption. Effective and controllable material removal results in superior surface finishing and planarization. Nanosheets are developed with specific functionalization that can be used to reduce friction and wear, improve the fluidic property, and rheological performance 1. A suspension , comprising:a plurality of nanosheets, wherein a nanosheet has a length ranging from about 10 nm to about 10 μm; wherein the nanosheet has a thickness of less than 90 nm; anda substance capable of suspending the plurality of nanosheets.2. The suspension of wherein the thickness is less than 50 nm.3. The suspension of wherein the nanosheets have an aspect ratio of at least 10.4. The suspension of wherein the nanosheets are comprised of one of the group consisting of: graphene claim 1 , fluoro-graphene claim 1 , graphene oxide claim 1 , BCN claim 1 , h-BN claim 1 , MoS claim 1 , WS claim 1 , MoSe claim 1 , WSe claim 1 , TiTe claim 1 , MnPS claim 1 , MoTe claim 1 , WTe claim 1 , ZrS claim 1 , ZrSe claim 1 , TiS claim 1 , VSe claim 1 , GaSe claim 1 , GaTe claim 1 , InSe claim 1 , BiSe claim 1 , BiTe claim 1 , BiMnTe claim 1 , NbSe claim 1 , NbS claim 1 , LaSe claim 1 , TaS claim 1 , NiSe claim 1 , semiconducting chalcogenides claim 1 , metallic dichalcogenide claim 1 , micas claim 1 , BSCCO claim 1 , MoO claim 1 , WO claim 1 , TiO claim 1 , MnO claim 1 , VO claim 1 , TaO claim 1 , RuO claim 1 , YO claim 1 , TiNbO claim 1 , KHNbO claim 1 , LaNbO claim 1 , LaEuNbO claim 1 , (Ca claim 1 ,Sr)NbO claim 1 , CaTaTiO claim 1 , BiTiO claim 1 , BiSrTaO claim 1 , BiLaTiO claim 1 , KNbOF claim 1 , Ni(OH) claim 1 , Mg(OH) claim 1 , Sm(OH) claim 1 , Er(OH) claim 1 , Eu(OH) claim 1 , Y(OH) claim 1 , Co—Al(OH) claim 1 , Mg—Al(OH) claim 1 , perovskite-type oxides claim 1 , hydroxides claim 1 , TiAlC claim 1 , TiAlC claim 1 , TaAlC claim 1 , (Ti claim 1 ,Nb)AlC claim 1 , (VCr)AlC claim 1 , TiAlCN claim 1 , zirconium ...

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Номер записи: 89
12-03-2020 дата публикации

MARKER COMPOSITIONS, AND METHODS FOR MAKING AND USING SAME

Номер: US20200080985A1
Автор: Frederico Justin J., Hinton Michael P.
Принадлежит:

The present disclosure provides compositions, methods, and systems for identifying marked hydrocarbon fluids. These compositions, methods, and systems utilize a gas chromatography marker including a pyrrolidinone. The methods and systems can identify the presence or absence of the gas chromatography marker and/or the pyrrolidinone. The compositions, methods, and systems can optionally utilize a spectroscopic marker. 120.-. (canceled)21. A method of identifying a hydrocarbon fluid containing a gas chromatography marker comprising a pyrrolidinone , the method comprising:a) introducing a sample of the hydrocarbon fluid into a gas chromatography system, thereby resulting in a gas chromatography report of the sample; andb) identifying the presence of the pyrrolidinone in the hydrocarbon fluid using the gas chromatography report.22. The method of claim 21 , wherein the pyrrolidinone is 1-alkenyl-2-pyrrolidinone.23. The method of claim 21 , wherein the pyrrolidinone is 1-alkyl-2-pyrrolidinone.24. The method of claim 21 , wherein the pyrrolidinone is 1-vinyl-2-pyrrolidinone.25. The method of claim 23 , wherein the pyrrolidinone is selected from the group consisting of 1-methyl-2-pyrrolidinone claim 23 , 1-ethyl-2-pyrrolidinone claim 23 , 1-cyclohexyl-2-pyrrolidinone claim 23 , 1-octyl-2-pyrrolidinone claim 23 , 1-dodecyl-2-pyrrolidinone claim 23 , and combinations thereof.26. The method of claim 25 , wherein the pyrrolidinone is 1-methyl-2-pyrrolidinone.27. The method of claim 25 , wherein the pyrrolidinone is 1-ethyl-2-pyrrolidinone.28. The method of claim 25 , wherein the pyrrolidinone is 1-cyclohexyl-2-pyrrolidinone.29. The method of claim 25 , wherein the pyrrolidinone is 1-octyl-2-pyrrolidinone.30. The method of claim 25 , wherein the pyrrolidinone is 1-dodecyl-2-pyrrolidinone.31. A method of identifying a hydrocarbon fluid containing a gas chromatography marker comprising a pyrrolidinone claim 25 , the method comprising:a) introducing a sample of the hydrocarbon fluid ...

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Номер записи: 90
25-03-2021 дата публикации

Method of producing lubricating base oil from feedstock comprising diesel fraction, and lubricating base oil produced thereby

Номер: US20210087477A1
Автор: Hak Mook Kim, Jin Hee Ok, Seung Eon Lee
Принадлежит: SK Innovation Co Ltd, SK Lubricants Co Ltd

Disclosed is a method of producing a lubricating base oil, including providing a feedstock including a diesel fraction, subjecting the feedstock to catalytic dewaxing, and recovering a lubricating base oil from a product of the catalytic dewaxing. A lubricating base oil produced thereby and a lubricant product including the lubricating base oil are also provided.

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Номер записи: 91
30-03-2017 дата публикации

Refrigeration cycle apparatus

Номер: US20170089616A1
Автор: Koji Yamashita
Принадлежит: Asahi Glass Co Ltd, Mitsubishi Electric Corp

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.

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Номер записи: 92
05-05-2022 дата публикации

REFRIGERATOR COMPOSITION

Номер: US20220135858A1
Автор: Matsumoto Tomoya
Принадлежит: IDEMITSU KOSAN CO.,LTD.

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.

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Номер записи: 93
19-03-2020 дата публикации

Trifluoroethylene-based compositions and uses thereof

Номер: US20200087555A1
Автор: Wissam Rached
Принадлежит: Arkema France SA

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

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Номер записи: 94
19-03-2020 дата публикации

Compositions comprising a fluoroolefin

Номер: US20200087556A1
Автор: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
Принадлежит: Chemours Co FC LLC

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.

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Номер записи: 95
19-03-2020 дата публикации

COMPOSITIONS COMPRISING A FLUOROOLEFIN

Номер: US20200087557A1
Автор: Minor Barbara Haviland, RAO VELLIYUR NOTT MALLIKARJUNA
Принадлежит: THE CHEMOURS COMPANY FC, LLC

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 ...

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Номер записи: 96
26-06-2014 дата публикации

Use of r-1233 in liquid chillers

Номер: US20140174110A1
Автор: Brett L. Van Horn, Philippe Bonnet
Принадлежит: Arkema Inc

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.

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Номер записи: 97
01-04-2021 дата публикации

Lubricant compositions

Номер: US20210095220A1
Автор: Thomas Reddyhoff
Принадлежит: Imperial College of Science Technology and Medicine

A lubricant composition said composition comprising at least one base oil and from 1 to 70 wt % of at least one friction modifying additive, wherein the composition is such that the viscosity reversibly reduces at a pressure from 50 MPa to 3 GPa. A mechanical system comprising the lubricant composition; use of the lubricant composition and methods of reducing friction using the lubricant composition are also disclosed.

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Номер записи: 98
01-04-2021 дата публикации

Refrigerator oil composition

Номер: US20210095222A1
Автор: So NAKAJIMA, Tomoya USHIYAMA
Принадлежит: Idemitsu Kosan Co Ltd

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).

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Номер записи: 99
05-04-2018 дата публикации

FLUORINATED ALKENE REFRIGERANT COMPOSITIONS

Номер: US20180094179A1
Автор: SINGH Rajiv R., THOMAS Raymond H.
Принадлежит:

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 ...

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Номер записи: 100