RussianPatents.com
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Cylinder lubricant for two-stroke marine engine Invention relates to a cylinder lubricant, having a base number (BN) determined according to standard ASTM D-2896 greater than or equal to 15 mg KOH/g of lubricant, containing: one or more lubricating base oils for marine engines, at least one detergent based on alkali or alkali-earth metals, overbased with metal carbonates, optionally in combination with one or more neutral detergents, one or more oil-soluble fatty amines containing 16-22 carbon atoms and having BN determined according to standard ASTM D-2896 from 150 to 600 mg KOH/g. The present invention also relates to use of the cylinder lubricant (versions) and an additive concentrate for preparing the cylinder lubricant. |
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Invention relates to cylinder oil having BN of at least 40 mg KOH/g oil, which contains ship engine base oil and at least one ultra-alkaline detergent based on alkali or alkali-earth metals, characterised by that it further contains 0.01-10 wt % of the total weight of the oil of one or more compounds (A) selected from esters of saturated fatty monoacids containing at least 14 carbon atoms, and alcohols containing not more than 6 carbon atoms, where the compounds (A) are selected from monoesters of monoatomic alcohols and diesters, and where at least one ultra-alkaline detergent based on alkali or alkali-earth metals is selected from a group consisting of phenolates, sulphonates, salicylates and mixtures of said detergents, where said detergent is ultra-alkaline due to calcium carbonate. |
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Stabilising synergistic mixture and use thereof Invention relates to a stabilising synergistic mixture containing 10-99 wt % of at least one compound with at least one structural element of formula (I): |
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Lubricating oil used in ship engines running on high- and low-sulphur diesel Invention relates to cylinder oil which contains a basic lubricating oil component for ship engines, where said basic lubricating oil component has viscosity class from SAE-40 to SAE-60 and at least one high-alkalinity detergent based on alkali metals or alkali-earth metals, characterised by that it also contains 0.01-10 wt %, with respect to total weight of the lubricating oil, one or more compounds (A), selected from primary, secondary or tertiary monoalcohols, the alkyl or alkylene chain of which is saturated or unsaturated, linear or branched and contains at least 12 carbon atoms, and when the alkylene chain of said compound (A) is unsaturated, said chain contains at most two unsaturated groups of the ethylene double bond type. The present invention also relates to use of lubricating oil to prevent corrosion and to reduce formation of deposits of insoluble metal salts in two-stroke ship engines. The present invention also relates to a method of producing lubricating oil and to an additive concentrate for cylinder oil. |
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Soluble oil containing ultra-alkaline sulphonate additives Invention relates to a soluble oil composition for use as lubricant and coolant oil, containing:| a) base oil; b) an emulsion stabilising amount of neutralised carboxylic acid obtained from tall oil; c) at least one ultra-alkaline sulphonate of an alkali-earth metal; and, optionally, d) at least one additive selected from a group consisting of an antiscoring agent, an antiwear agent, an emulsifier, an antirust agent, a corrosion inhibitor, an anti-foaming agent, antioxidant additives, surfctants, a friction modifier and stabilisers. |
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Titanium-containing lubricating oil composition Disclosed composition can be used to lubricate vehicle components. The composition contains at least one succinimide dispersant, a polyalkylene derivative with about 50-85% vinylidene double bonds, as well as a metal-containing detergent, at least one antiwear agent, at least one antioxidant and a hydrocarbon-soluble titanium component. The titanium compound is a product of reaction of titanium alkoxide with C6-C25 carboxylic acid. Described also is a lubricated surface, a method of reducing deposits in an internal combustion engine and a lubricant additive concentrate. |
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Composition of lubricating oils containing titanium Composition can be used to lubricate internal combustion engines. The composition contains: at least one succinimide-based dispersant, a metal-containing detergent, at least one antioxidant, as well as a hydrocarbon-soluble titanium compound - derivative of titanium alkoxide with a C6-C25 carboxylic acid. Preferably, the titanium compound is a product of reaction of titanium alkoxide with neodecanoic acid. Described also is a lubricated surface, a method of reducing carbon deposits in an internal combustion engine and a lubricant additive concentrate. |
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Procedure for protection of metal items from atmosphere corrosion under conditions of salt spray Invention refers to procedure for protection of metal items from atmospheric corrosion under conditions of salt spray when metal items are stored on open platforms, under sheds and in not heated premises at inter-seasonal period including conditions with increased content of micro-impurities of chlorides in air and at presence of alternate temperature (20-40°C) and humidity (relative humidity of air 70-100%) loads, and also at influence of chloride neutral mediums. The procedure consists in application of coating consisting of low-erucic rapeseed oil containing 20±5 wt % of synthetic fat acids. |
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Friction modifier contains serpentine in form of antigorite and kaolin with dispersity of particles 1-5 mcm as mineral components. The composition contains, wt %: serpentine in form of antigorite 0.5-2; kaolin 0.5-3, aircraft motor oil 89-97, castor oil 1-3; boric acid 1-3. |
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Invention can be used in friction assemblies of machines and mechanisms. The grease contains the following in wt %: synthetic oil 1.8 to 18, {5,7,12,14-tetramethylbenzo [b,i] -1,4,8,11 tetra-aza[14]annulenato} copper (II) of formula: 1.2 to 12, CYATIM-221 lubricant - the rest. The synthetic oil used is based on pentaerythritol ester and fatty acids of the C6-C10 fraction, particularly oil lubricant B-3V. |
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Lubrication for hot deformation of aluminium and its alloys Lubrication contains in % wt: oil bitumen 30, graphite 15-20, calcium stearate 7, mineral oil of grade "ИГП-30" up to 100. |
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"МЕГОС-У (1,2,3)" lubricating compound Lubricant can be used in the machine building field for lubrication of friction pairs in machines and industrial equipment, particularly for lubricating lathe machines. The compound consists of the following percentage mass components: 48 - 65% oleinic acid, 20 - 38% fine copper powder, 8 - 15% bronze fine powder for vacuum insulation, and 1.2 - 2.2% internal pork fat. |
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Protective lubricant composition Lubricant composition suitable for application in mechanical engineering, petrochemical and other industries contains, wt %: molybdenum disulfide modified with fluorine-containing surfactant at weight ratio 1:(2-3), 17-22; aluminum, 2-3; ceresin, 10-12; product of condensation of boric acid with diethanolamine and vegetal oil ay molar ratio 1:3:(0.5-0. 7), respectively, 15-18; benzotriazole, 1-3; and mineral oil, the balance. |
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Formulation for protection of corrosive and thermooxidative setting of coupled surfaces Formulation is constituted by, wt %: molybdenum disulfide 18-20, aluminum 2-3, ceresin 10-12, product of condensation of boric acid with diethanolamine and vegetal oil (molar ratio 1:3:(0.5-0.7)) 16-20, benzotriazole 1-3, and mineral oil - the rest. |
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Additive for slushing compounds and slushing compound containing such additive Proposed additive contains the following components, mass-%: amide of ether of alkenyl succinic acid R2HNC(O)CH2CH(R1)C(O)O(CH2CH2O)nH, where R2-C10-C20, R1 - C12-C14, n= 1-3, 31-45, magnesium salt of monoamide of maleic acid of the following formula: [R1R2NC(O)CH=CHCOO]2Mg, where R1=-C11H23, R2=, 3-33, used synthetic compressor oil at solidification temperature not above minus 26°C and viscosity not exceeding 60 mm2/s at temperature of 40°C, 18-55. Slushing compound contains antioxidant additive, 2-6. Slushing compound on base of mineral oil contains 6-20 mass-% of additive of said composition. |
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Multifunctional complex addition agent to lubricant materials (variants), lubricant composition Invention relates to an addition agent to lubricant materials that comprises substances taken among the group including hydroxamates or their mixtures, diacylhydroxamates or their mixtures, β-diketonates or their mixtures, β-ketoetherates or their mixtures, hydroxamate etherates of 3d-, 4d- and 4f-metals, their substituted analogues, their mixed complexes with these metals, their mixtures and substances providing minimal abrasion in the minimal concentration, In particular, addition agent comprises substances taken among the group including nonbranched long-chain carboxylic acids, their esters, their compounds with 3d-, 4d- and 4f-metals, organic phosphates, technical grade addition agents. Also, addition agent represents substances taken among the group including carboxylates of 3d-, 4d- and 4f-metals, compounds of carboxylate hydroxylamines, compounds of esters formed by carboxylic acids and hydroxylamine with these metals, mixed complexes of carboxylic acids with abovementioned substances with these metals, in particular, mixed complexes of hydroxamic and carboxylic acids with 3d-, 4d- and 4f-metals and mixtures of indicated substances. The lubricant composition comprises a base and above described addition agents. The base is made of plastic lubricant, oil, fuel, special liquid, lubricant-cooling liquid. Invention provides improving ant-wearing and anti-scuffing properties and reducing concentrations. Proposed addition agent can be used in all branches of machine engineering for enhancing longevity, safety, economy and functional quality of machines and mechanisms. |
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Invention proposes a consistent lubricant comprising oily base and thickening agent involves additionally from 0.05% to 30% weight parts of sodium thiosulfate and at least 0.1 % weight part of one or some addition agent (A) taken among the group including calcium salicylate, magnesium salicylate, calcium phenolate and/or calcium sulfonate as measure for all lubricant mass. Indicated consistent lubricant is used for prevention of corrosion and enhancing wear resistance. The consistent lubricant is prepared by preliminary mixing sodium thiosulfate with one or some addition agents (A) and addition of a lubricant-base mixture comprising the base oil and a thickening agent, or by addition sodium thiosulfate and one or some addition agents (A) to the lubricant base separately. Invention provides enhancing corrosion-inhibiting properties and wear-resistance property with retaining anti-scuffing properties. |
Another patent 2513800.
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