Abstract: The present patent application relates to a method for reducing wear and tear on mechanical parts that are in contact with each other in an internal combustion engine by using a lubricating composition comprising: at least one base oil; at least one oxothiomolybdate salt; and at least one anti-wear compound; wherein at least one of the said parts includes a surface that comprises an amorphous carbon type coating.

Abstract: A method for producing an Al—Cr—O-based coating on a workpiece surface, including: a) placing a workpiece in an interior of a vacuum chamber, and b) depositing a film comprising aluminum and chromium on the workpiece surface to be coated, wherein a ratio of aluminum to chromium in the film in atomic percentage has a first value corresponding to Al/Cr?2.3, and c) forming volatile compounds of Cr—O, thereby causing at least part of the chromium contained in the film to leave the film in a form of Cr—O volatile compounds, and d) executing step c) during a period of time, within which the chromium content in the film is reduced until attaining a second value of the ratio of aluminum to chromium in the film in atomic percentage corresponding to Al/Cr?3.5, thereby the film is transformed into a film containing a reduced content of chromium.

Abstract: A method for manufacturing a cold-forged, extruded aluminum alloy tube includes the steps of: providing a primary material having a hollow columnar shape and made of an aluminum alloy material, and a first cold extrusion apparatus; processing the primary material to form a preform; subjecting the preform to a homogeneous annealing by heating to a temperature of about 410° C. to 510° C. and then cooling to a temperature of about 160° C. to 200° C.; testing the hardness of the preform; immersing the preform in a tank containing lubricant having a total acidity concentration of 40 to 50 mg/L at a working temperature of 80° C. to 100° C.; and subjecting the preform to cold extrusion.

Abstract: A piston for a cylinder, and a method of fabrication thereof, the piston rod comprising a substrate and a coating, the substrate having a surface roughness profile comprising peaks and valleys with a peak-to-valley height in a range between 0.5 and 2 ?m, and the coating having a hardness in a range between 1000 and 4000 HV and a coefficient of friction in a range between 0.1 and 0.05.

Abstract: A contact for a high-speed data communication interface includes a first portion configured to be coupled to a first component associated with the high-speed data communication interface, a second portion configured to be coupled to a mating contact of a second component associated with the high-speed data communication interface, and a third portion configured to provide a sliding surface when coupled to the mating contact. The sliding surface is coated with a ferromagnetic coating.

Abstract: The invention discloses an organic-inorganic nanocomposite gel sealing agent and oil-based drilling fluid. The sealing agent used for the oil-based drilling fluid is organic-inorganic nanocomposite gel, and the synthetic raw materials of the organic-inorganic nanocomposite gel includes molybdenum disulfide, 2-ethyl acrylic acid, N, N-dimethylacrylamide and N,N-methylene bisacrylamide; the drilling fluid includes the organic-inorganic nanocomposite gel provided by the invention.

Abstract: The present invention relates to a lubricant containing molybdenum sulfide particles, and the molybdenum sulfide particles contain molybdenum disulfide having a 3R crystal structure. The present invention relates to a lubricating composition containing molybdenum sulfide particles, which are the lubricant, and a base oil which is a mineral oil, a synthetic oil, or a partially synthetic oil.

Abstract: A bearing system including a first member having an outer surface wherein at least a portion of the outer surface includes a plurality of plateaus and a plurality of indentations, a dry-film lubricant at least partially filling at least one of the plurality of indentations, and a second member having a mating surface to the outer surface of the first member wherein the second member configured to move past the first member.

Abstract: In one embodiment, a gear system includes two cycloidal gears coupled to an eccentric drive shaft via a cartridge bearing. Each of the two cycloidal gears includes a number N of pockets on a surface of the gears to receive a ball bearing in the respective pocket. The N pockets on the surface of a first cycloidal gear of the two cycloidal gears are substantially aligned with the N pockets on the surface of a second cycloidal gear of the two cycloidal gears. Each of the two cycloidal gears further includes a lip coupled to the cartridge bearing. The gear system includes a number N of ball bearings disposed in the N pockets of the two cycloidal gears, where the ball bearings maintain a distance between the two cycloidal gears. The ball bearings cause the respective cycloidal gear to be flush with the cartridge bearing coupled to the eccentric shaft.

Abstract: Provided are a sliding member for sealing and a seal device that exhibit good sealing performance even when used in an environment where silicon oxide is likely to be deposited; the sliding member for sealing includes a sintered body consisting of 1.0 to 12.5 wt.% of cerium oxide, a combination of 20 to 50 wt.% of graphite and graphitizable carbon, and a remainder of non-graphitizable carbon; and, the sliding member for sealing is used as, for example, a rotary seal ring or a stationary seal ring.

Abstract: The present invention provides a refrigerating machine oil comprising: a base oil; a compound represented by the following formula (1): wherein R1 and R2 each independently represent a monovalent hydrocarbon group, R3 represents a divalent hydrocarbon group and R4 represents a hydrogen atom or a monovalent hydrocarbon group; and an epoxy compound.

Abstract: The present disclosure generally relates to a lubricating oil composition having a sulfur content of up to 0.4 wt. % and a sulfated ash content of up to 0.6 wt. %, as determined by ASTM D874, comprising: a major amount of base oil; at least 0.02 wt. % of triazole compound; less than about 1.3 wt. % of a diphenylamine antioxidant; and at least 900 ppm of molybdenum from a molybdenum containing compound; wherein the lubricating oil composition is essentially free of ZnDTP. Also provided are methods for reducing wear and copper corrosion in an engine which is equipped with a diesel particulate filter (DPF) or a gasoline particulate filter (GPF) after treatment device system.

Abstract: An antifriction coating composition which comprises: a resin binder, a polyamide thickener, solvent and a solid lubricant wherein the resin binder comprises a mixture of phenolic resin, epoxy resin and optionally a silicone resin.

Abstract: A sliding element for an internal combustion engine may include a ferrous material base defining a plurality of surfaces. A binding nickel layer may be applied across all of the surfaces of the base. A deposited layer may be disposed on the binding layer. The deposited layer may include a metallic tungsten matrix and a tungsten carbide. The deposited layer may be provided with a thickness between 5 and 150 microns.

Abstract: A sliding material based on graphite-added resin containing 5 to 60% by weight of graphite particles having an average particle diameter of from 5 to 50 ?m, and a degree of graphitization of 0.6 or more, with the balance being one or more of polyimide resin and polyamide-imide resin, and further, the number of the graphite particles having a minimum diameter/maximum diameter ratio (hereinafter referred to as “particle ratio”) of 0.5 or more amounts to 50% or more of the total number of the graphite particles observed in a photograph of an optional cross section of the sliding material based on graphite-added resin.

Abstract: A landing bearing for use in a magnetic bearing assembly is provided. The landing bearing includes a first landing surface and a second landing surface. The second landing surface faces the first landing surface. At least one of the first landing surface and the second landing surface is provided with a porous structure layer for being filled with lubricant.

Abstract: A landing bearing for use in a magnetic bearing assembly is provided. The landing bearing includes a first landing surface configured to be mounted on a shaft and a bushing having a second landing surface configured to be mounted in a housing or in a stator coaxially with the landing sleeve. The second landing surface is arranged so as to face the first landing surface. It is proposed that at least one of the first landing surface and the second landing surface is provided with at least one recess for receiving lubricant.

Abstract: The present invention relates to functional fluid compositions containing friction modifiers, and specifically stable compositions containing friction modifiers with limited solubility in and/or limited compatibility with the functional fluids with which they are used. In particular the present invention deals with functional fluids used in internal combustion engines, such as engine oils, and friction modifiers derived from hydroxy-carboxylic acids, where the friction modifier is present in the functional fluid composition at levels that would otherwise cause the composition to be unstable and/or hazy.

Abstract: Disclosed is a snubber bearing assembly for protecting a rotor and accompanying bearings from radial and axial rotor transient overload events. The bearing assembly includes a snubber journal mounted on the rotor and a snubber housing having a radial snubber bearing mounted on its inside surface, the radial snubber bearing being radially-offset from an outer radial surface of the snubber journal. Lubricating plugs are disposed within a plurality of holes defined in the radial snubber bearing, the lubricating plugs being configured to provide lubrication between the radial contact surface and the outer radial surface during a radial rotor transient overload event. The snubber housing can also include opposing axial snubber bearings that have lubricating plugs disposed within holes defined therein also. The opposing axial snubber bearings are configured to be axially-offset from inner axial surfaces defined by the rotor journal and provide lubrication therebetween during an axial rotor transient overload event.

Abstract: [Task] In a sliding member comprising a substrate and a coating layer provided thereon, the coating layer has a sliding surface and is formed of a resin-based coating and particles of a solid lubricant dispersed therein. The orientation ratio of (001) plane of the solid lubricant is enhanced. [Means for Solution] The coating layer of a sliding layer has an average thickness of 3 ?m or less. The particles of the solid lubricant have 2 ?m or more of an average particle diameter as measured by the laser diffraction method. The solid lubricant dispersed has 90% or more of relative C-axis intensity ratio.

Abstract: A sliding bearing for an internal combustion engine having a plastics polymer-based composite layer on a substrate, the composite layer comprising: a matrix of plastics polymer-based material having distributed throughout the matrix; 0.1 to 5% vol carbon nanostructures; and incidental impurities; and a method of manufacture of such a sliding bearing.

Abstract: The present invention relates to a method for coating AI-Cr-0 coatings with the help of a PVD-coating process. The PVD-coating process is performed with the help of Al and Cr comprising targets which are doped with Si. The doping of Si prevents the forming of oxide islands on the target during the reactive coating process.

Abstract: Disclosed is a lubricating oil composition for low-friction sliding materials, which is used in a sliding mechanism where a DLC film containing hydrogen in an amount of from 5 atom % to 50 atom % is formed on at least one sliding surface. The lubricating oil composition contains, in the lubricant base oil therein and based on the total amount of the composition, (A) an organic zinc dithiophosphate in an amount of from 0.005% by mass to 0.12% by mass in terms of the phosphorus concentration therein, (B) an amine-based friction-reducing agent in an amount of from 0.05% by mass to 5.0% by mass, and (C) an alkaline earth metal salicylate-based detergent and/or an alkaline earth metal sulfonate-based detergent in an amount of from 0.05% by mass to 0.5% by mass in terms of the alkaline earth metal concentration therein, wherein the component (A) contains, based on the total amount of the composition, a zinc primary dialkyldithiophosphate in an amount of from 0.005% by mass to 0.

Abstract: A coating composition, a process of applying a coating having a coating composition, and a process of forming a coating composition are disclosed. The coating composition includes an alloy and an oxide component comprising nickel oxide. The process of applying the coating includes cold spraying the coating onto the article. The process of forming the coating composition includes blending and milling the alloy with the oxide component.

Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand comprising an anion of a carboxylic acid; (c) one or more dispersants; and (d) one or more detergents, wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.

Abstract: A powder metal component is made of compacted and sintered powder metal particles such as chromium-containing ferrous-based metal and is porous. Following sintering, the pores are impregnated with relatively smaller particles of ceria and/or yttria. The component is then heat treated and the presence of the impregnated ceria and/or yttria serve as nucleation sites for the formation of desirable oxides, such as chromium oxide, on the surface. The impregnated particles that lie below the protective oxide layer remain available throughout the life of the component in the event the original oxide layer becomes worn or damaged, wherein a renewed protective oxide is formed in such regions due to the presence of the impregnated particles.

Abstract: A friction material composition may include an abrasive, a filler, a binder, and a spherical molybdenum disulfide powder. The spherical molybdenum disulfide powder is made up of molybdenum disulfide sub-particles that are agglomerated together to form individual, substantially spherically-shaped agglomerated particles of at least about 90% by weight molybdenum disulfide.

Abstract: An object of the present invention is to provide a sliding member suitable to a soft mating member low in hardness. The present invention relates to a sliding member for sliding with a mating member having a ferrite phase at least on a surface thereof, the sliding member including a coating layer containing a binder resin, molybdenum disulfide, and hard substance particles.

Abstract: Embodiments of the present invention may provide textured surfaces to be lubricated, the texturing to enhance the effectiveness of the intended nano-lubrication. The texturing may make asperities and depressions in the surface to be lubricated. This texturing may be executed, for example, by chemical etching, laser etching, or other techniques. This texturing may create locations in the lubricated surface to hold or anchor the intended nano-lubricants, to facilitate the creation of a tribo-film on the surface when the lubricated surface is used under pressure, and resulting in delivery of multiple chemistries from the nano-lubricant.

Abstract: A swash plate type compressor is arranged with a plurality of semispherical shoes and a disc shaped swash plate. A resin coating having a honeycomb structure is formed on a surface and a rear surface (sliding surface) of the swatch plate which slides with the shoe. An edge part (top end) of each of the multiple cylinder bodies which forms the resin coating layer are at the same plane and forms a sliding surface which slides with the shoe. In addition, an interior space of each cylinder body forms a storage part of a lubricant and a container part for foreign objects. The swash plate can be provided with excellent wear resistance, seizure resistance and lubrication retention.

Abstract: A sliding structural member is provided which achieves a good low frictional property. A DLC film 2 containing hydrogen is provided on one member 11 between members sliding against each other, and the one member and a counterpart member 12 are combined in such a way that the DLC film 2 provided on the one member 11 slides against the counterpart member via a lubricant 3 to which organic molybdenum compound and compound containing zinc and sulfur are added as an additive. A root mean square roughness of a surface of the DLC film 2 is set in a range from 5 nm or more to 25 nm or less, and hydrogen content of the DLC film 2 is set in a range from 4.5 at % (atomic %) or more to 30 at % or less.

Abstract: An element with at least one slide surface with a coating for use on an internal combustion engine may include a base of a metallic alloy and at least one inner surface provided with a hard ceramic coating generated by physical vapor deposition. The element may include a porosity with a rate lower than 2 percent by volume, a Vickers hardness ranging from 1500 to 3000HV, and a compressive inner tension lower than 500 MPa.

Abstract: In order to prevent deterioration in performance of an oil-free screw compressor and scuffing caused by rust, surfaces of both male and female rotors are coated with heat-resistance coatings containing a solid lubricant. A coating contains Polyimide resin to which Molybdenum disulfide, as a solid lubricant, and Aluminium oxide and Titanium oxide, as additives, are added. Accordingly, it is possible to realize a coating that is higher in heat resistance and longer in lifetime than a conventional one.

Abstract: An object of the present invention is to provide a sliding member capable of rapidly wrapping a mating member, and reducing the surface roughness of the mating member after wrapping. The present invention relates to a sliding member for sliding with a mating member subjected to hardening treatment, the sliding member including a coating layer containing a binder resin, molybdenum disulfide, and hard substance particles in massive form.

Abstract: Provided is an innovative belt-shaped lubricating material for dry wiredrawing which not only can be used under severe wiredrawing processing conditions such as those of high temperature/high pressure/high speed as well as conventional powdered or granular lubricants for dry wiredrawing but also can cope with diameter reduction to a wide range of wire diameters ranging from a small diameter to a large diameter and a wide range of linear speeds ranging from a low speed to a high speed, has excellent functionalities such as lubricity, followability, spreadability, adhesiveness, heat resistance, processability, workability, safety, durability and productivity irrespective of a processed shape, is effective in improving work environments and is friendly to the global environment. The belt-shaped lubricating material for dry wiredrawing includes a film containing 10 to 90% by weight of a metal salt of a saturated fatty acid and 10 to 90% by weight of a thermoplastic resin.

Abstract: The lubricated environment incorporates a friction modifier, and a coating is applied to the part. The coating is chromium nitride and the friction modifier is MoDTC. The chromium nitride presents an NaCl-type crystallization and a microhardness of 1,800 +/?200 HV.

Abstract: The present invention provides a refrigerating machine oil composition for use in a compressor for a refrigerator in which a sliding surface of at least a part of constitutional members of the compressor is coated with a lubrication film-forming composition containing a resin having a heat distortion temperature of 100° C. or higher as a binder, and a solid lubricant, wherein the refrigerating machine oil composition contains a base oil made of a polyoxyalkylene glycol having a kinematic viscosity of from 3 to 50 mm2/s as measured at 100° C., and a compound selected from the group consisting of amide compounds, amidated amino acid compounds and aliphatic amines having a specific structural formula which compound is contained in an amount of from 0.

Abstract: In one embodiment, a coating is provided that includes a deposition surface, and a coating on the deposition surface. The coating may include particles of a metal chalcogenide comprising a fullerene-like geometry, a tubular-like geometry or a combination of fullerene-like geometries and tubular-like geometries. The metal chalcogenide composition has a molecular formula of MX2.

Abstract: Composite particles and a method of forming composite particles are described. The composite particles comprise at least one inorganic nanoparticle covalently bound to at least one inorganic microparticle with a linking compound. Lubricant compositions and sprayable dispersion compositions comprising composite particles are also described.

Abstract: A PTFE-based composite material includes a PTFE major phase filled with a metal oxide minor phase. The major phase is intermixed with the metal oxide minor phase, wherein the minor phase includes a plurality of irregularly shaped metal oxide nanoparticles. The irregularly shaped nanoparticles provide substantial reductions in steady state wear rate over otherwise similar nanocomposites. The metal oxide can comprise aluminum oxide.

Abstract: A positive friction powder additive for modifying existing brake pad or brake shoe formulations to reduce squealing associated with braking. The positive friction powder additive comprises a friction modifier and a solid lubricant and is comprised of talc, barytes, aluminum oxide, and molybdenum disulphide. The positive friction powder additive can be formulated with binders and fillers to prepare a non-metallic brake pad or brake shoe formulation and a non-metallic brake pad or brake shoe. The positive friction powder additive, non-metallic brake pad or brake shoe formulation, and non-metallic brake pad or brake shoe have high and positive frictional characteristic which reduces vibrations and noise by reducing stick/slip oscillations by changing friction from negative to positive.

Abstract: The present invention relates to a coating for sliding parts that allows using diamond like carbon (DLC) or DLC-comprising coatings in combination with Molybdenum- and/or Zinc-comprising lubricants in such a manner that enhanced reduction of wear and friction in comparison to the state of the art is attained. The coating system according to the present invention comprises at least a metal-comprising carbon layer of the type Me-C/a)-C:X, whose element composition can be expressed as (MeaC1-a)1-bXb with 0.3?a?0.6 and 0<b?0.3, where Me is a metal or a combination of different metals and X is an element different from Me and different from C or X is a mixture of elements different from Me and which doesn't contain C. Me can be preferably Chromium (Cr) or Molybdenum (Mo) and X can be preferably hydrogen (H) or a mixture of silicon and hydrogen (Si+H).

Abstract: A lubricating oil composition is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) one or more non-halogen-containing oil-soluble titanium complexes comprising at least one ligand comprising an anion of a carboxylic acid; (c) one or more dispersants; and (d) one or more detergents, wherein the lubricating oil composition is free of any zinc dialkyldithiophosphate.

Abstract: The invention relates to a lead-free sliding bearing material having a Cu-based or CuSn-based sintered matrix and a solid lubricant. The solid lubricant contains hexagonal boron nitride in a fine-grained distribution with a mean particle size of 10 ?m or less, wherein agglomerates of the particles of hexagonal boron nitride are not greater than 200 ?m. The invention also relates to a sintering powder for producing the sliding bearing material, a sliding bearing composite material having a steel protective layer and a bearing layer composed of such a sintered-on sliding bearing material. The invention also relates to a sliding element composed of a sliding bearing composite material of the type mentioned above.

Abstract: Components, turbochargers, and methods of forming components are provided. In an embodiment, by way of example only, a method of forming a component is provided. The method includes applying a plurality of coated particles to a substrate, wherein each coated particle comprises a solid film lubricant particle and a layer surrounding an entire surface of the solid film lubricant particle, each solid film lubricant particle comprises at least one compound, and the layer comprises a coating material having a greater resistance to oxidation than the compound when subjected to a predetermined processing temperature and heating the substrate to the predetermined processing temperature to form a portion of a coating over the substrate.

Abstract: A friction material composition may include an abrasive, a filler, a binder, and a spherical molybdenum disulfide powder. The spherical molybdenum disulfide powder is made up of molybdenum disulfide sub-particles that are agglomerated together to form individual, substantially spherically-shaped agglomerated particles of at least about 90% by weight molybdenum disulfide.

Abstract: Anti-wear surface coatings and methods for making them are provided. Such anti-wear surface coatings are particularly suitable for use in a compressor, such as a scroll or rotary compressor. A precursor powder material can be applied via spraying to a wear surface of a metal component of the scroll or rotary compressor. The precursor powder material comprises a powderized thermoplastic polymer (e.g., PEEK), a first lubricant particle (e.g., molybdenum disulfide (MoS2)) and a second lubricant particle (e.g., polytetrafluoroethylene (PTFE)), which is heated to form a substantially uniform coating covering the underlying metal component having a thickness of less than or equal to about 0.006 inches (about 152 ?m). The anti-wear surface coating can be used on a face seal for a bellows-type shaft seal for compressors.

Abstract: A method of producing a compacted article according to one embodiment may involve the steps of: Providing a copper/molybdenum disulfide composite powder including a substantially homogeneous dispersion of copper and molybdenum disulfide sub-particles that are fused together to form individual particles of the copper/molybdenum disulfide composite powder; and compressing the copper/molybdenum disulfide composite powder under sufficient pressure to cause the copper/molybdenum disulfide composite powder to behave as a nearly solid mass.

Abstract: Embodiments of the present invention may provide textured surfaces to be lubricated, the texturing to enhance the effectiveness of the intended nano-lubrication. The texturing may make asperities and depressions in the surface to be lubricated. This texturing may be executed, for example, by chemical etching, laser etching, or other techniques. This texturing may create locations in the lubricated surface to hold or anchor the intended nano-lubricants, to facilitate the creation of a tribo-film on the surface when the lubricated surface is used under pressure, and resulting in delivery of multiple chemistries from the nano-lubricant.

Abstract: It is an object of the invention to provide a sliding material composition and a sliding member capable of achieving low friction property at starting time and during sliding and also being excellent in abrasion resistance, especially when a counterpart sliding member is a rubber-based material. The invention relates to a sliding material composition for use in a sliding member whose counterpart sliding member is configured of rubber, the sliding material composition comprising a binder resin, 5 to 25 vol % of an N?-monoacyl basic amino acid, 5 to 25 vol % of molybdenum disulfide, and 5 to 20 vol % of polytetrafluoroethylene.