Halogen Compound Patents (Class 508/106)
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Patent number: 12103251Abstract: Disclosed is a composite material manufacturing equipment including a raw material cylinder, an oil hydraulic piston and a rotating mold. The raw material cylinder has a raw material chamber, a material inlet and a material outlet, the raw material chamber can be filled with a substrate and a reinforcing phase material. The oil hydraulic piston is arranged at a side of the material inlet of the raw material cylinder for pushing the substrate and the reinforcing phase material to move towards the material outlet. The rotating mold is arranged at a side of the material outlet of the raw material cylinder, and includes an outer mold and a rotating flow channel inside the outer mold, the outer mold can rotationally rub the substrate to plasticize the substrate, the rotating flow channel can disperse and mix the plasticized substrate and the reinforcing phase material to form a composite material.Type: GrantFiled: July 7, 2022Date of Patent: October 1, 2024Assignee: ENERAGE INC.Inventor: Mark Y. Wu
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Patent number: 11998854Abstract: A recreational slide system is provided. The recreational slide system includes a slide and a ride vehicle configured to support a rider down the slide. The slide includes a slide body with a non-wet lubricated slide surface that extends between a top entrance of the slide and a bottom exit of the slide. The ride vehicle includes a fabric layer that forms a top surface configured to contact the rider and a mesh layer that forms a bottom surface configured to contact the slide surface. The coefficient of friction between the mesh layer of the ride vehicle and the non-wet lubricated slide surface is within a range of between about 0.03 to about 0.2.Type: GrantFiled: July 10, 2023Date of Patent: June 4, 2024Assignee: Slick Slide LLCInventor: Gary Schmit
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Patent number: 11945916Abstract: The present invention relates to a fatty acid amide-based oleogel containing polymer and a method for preparing same and, more particularly, to a fatty acid amide-based oleogel containing polymer and a method for preparing same, the oleogel comprising: a substrate formed of a polymer of a fatty acid amide having a single double bond and a silicone polymer, or a composition comprising same; and an oleogel surface formed by impregnating the substrate with oil, wherein, in the silicone polymer, first silyl-terminated polydialkylsiloxane is crosslinked with second vinyl-terminated polydialkylsiloxane, and the fatty acid amide is linked to the first silyl-terminated polydialkylsiloxane. Also, the present invention can provide use of the fatty acid amide-based oleogel containing polymer according to the present invention.Type: GrantFiled: December 4, 2020Date of Patent: April 2, 2024Assignee: POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATIONInventors: Sang Joon Lee, Jae Hyeon Lee
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Patent number: 11912854Abstract: The present disclosure provides extruded PTFE composite tubes with a reduced coefficient of friction (COF). In some embodiments, such extruded PTFE composite tubes may exhibit a reduced change in coefficient of friction between about 20° C. and about 40° C. with the inclusion of secondary polymeric particles with small particle sizes (<100 ?m) at loading percentages of less than about 50 weight %.Type: GrantFiled: May 26, 2021Date of Patent: February 27, 2024Assignee: ZEUS COMPANY INC.Inventors: Justin A. Marro, John Richard Campanelli, Patrick Cooper, Robert L. Ballard, Douglas Lee Tourville
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Patent number: 11708910Abstract: A seal comprising: an annular body defining an inner sidewall and an outer sidewall extending from a base; and a plurality of energizing elements disposed within a recess between the inner and outer sidewalls, wherein at least two adjacent energizing elements of the plurality of energizing elements have different unit loads as compared to one another, and wherein the at least two adjacent energizing elements contact the inner sidewall.Type: GrantFiled: December 30, 2019Date of Patent: July 25, 2023Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Van Duong, Bedros J. Taslakian
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Patent number: 11485863Abstract: A process for preparing a repellant smooth surface includes applying a coating composition onto a smooth surface of a substrate having hydroxyl functional groups thereon and an average roughness Ra of less than 4 ?m. The coating composition includes: (i) a polymerizable silane or siloxane or both selected from the group consisting of dimethyldimethoxysilane, dimethoxy-methyl(3,3,3-trifluoropropyl)silane, dimethoxy(methyl)octylsilane, diethoxydimethylsilane, (ii) a solvent and (iii) an acid catalyst. The process further includes polymerizing the silane or siloxane or both from the hydroxyl functional groups on the smooth surface of the substrate to form a chemical layer of graft polymers having ends anchored to the smooth surface and applying a lubricant coating over the formed chemical layer to adhere and maintain the lubricant on the smooth surface and form a lubricant-entrenched smooth surface as the repellant smooth surface.Type: GrantFiled: March 16, 2021Date of Patent: November 1, 2022Assignee: The Penn State Research FoundationInventors: Tak-Sing Wong, Jing Wang
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Patent number: 11421173Abstract: A sliding member includes: a base material; a coating layer formed on the base material and made of a resin composition including: a binder resin including polyamideimide; PTFE dispersed in the binder resin; and at least one of graphite and MoS2 dispersed in the binder resin; wherein a surface roughness of the coating layer after a sliding test is equal to or less than the surface roughness of the coating layer before the sliding test.Type: GrantFiled: November 16, 2017Date of Patent: August 23, 2022Inventors: Kyohei Yamane, Masanori Akizuki
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Patent number: 11351714Abstract: A locking finger for a unit having a molding cavity for molding the container delimited at least by a first shell attached to a first mold carrier and by a second shell attached to a second mold carrier that is movable relative to the first mold carrier between an open position and a closed position, the first mold carrier comprising a control member for controlling the locking finger and the second mold carrier comprising a locking opening, the locking finger comprising an interface for mechanical coupling to the control member, and a locking portion designed to cooperate with the locking opening in the closed position. The molding unit is a subassembly of a plurality of mechanical parts assembled together rigidly, including a main body of the finger comprising the mechanical coupling interface, and said locking portion, which is a main sleeve made from anti-friction material assembled on the main body.Type: GrantFiled: February 26, 2019Date of Patent: June 7, 2022Assignee: Sidel ParticipationsInventor: Alexandre Toutoux
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Patent number: 11279074Abstract: A locking finger for a molding unit, the molding unit comprising a cavity for molding the container that is at least defined by a first shell fixed on a first mold holder and by a second shell fixed on a second mold holder that can move relative to the first mold holder between an open position and a closed position, the first mold holder comprising a component for controlling the locking finger and the second mold holder comprising a locking opening, the locking finger including an interface for mechanically coupling to the control component, and a locking portion designed to engage with the locking opening in the closed position. The locking portion comprises an anti-friction composite material.Type: GrantFiled: February 26, 2019Date of Patent: March 22, 2022Assignee: SIDEL PARTICIPATIONSInventors: Alexandre Toutoux, Damien Hellouin
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Patent number: 11155060Abstract: A sliding element for an engine may include a metallic substrate, a first polymer-based layer, and a second polymer-based layer. The first polymer-based layer may include a polymeric material and may be disposed on the metallic substrate. The second polymer-based layer may include a polymeric material and may be disposed on the first polymer-based layer. The polymeric material of the first polymer-based layer may be the same as the polymeric material of the second polymer-based layer. The second polymer-based layer may further include a tungsten disulphide particulate.Type: GrantFiled: April 18, 2019Date of Patent: October 26, 2021Inventors: Ryan Curtis, Jennifer Harvey, Janette Johnson, Konstantinos Kalogiannis, Kayleigh McEwan
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Patent number: 10858487Abstract: A polytetrafluoroethylene formed product according to an aspect of the invention contains, as a principal component, a polytetrafluoroethylene having a crosslinked structure and has a PV limit of not less than 1600 MPa·m/min.Type: GrantFiled: August 30, 2016Date of Patent: December 8, 2020Assignees: SUMITOMO ELECTRIC FINE POLYMER, INC., DAIKIN INDUSTRIES, LTD.Inventors: Kazuaki Ikeda, Hong-Phuc Nguyen, Hirotoshi Yoshida, Taku Yamanaka
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Patent number: 10787624Abstract: A solid-state lubricant composition is disclosed. The solid-lubricant contains graphene, an oxide of a metal, and one or more polymeric binders. A method of making a solid-state lubricant coating on various substrates is disclosed. The method includes the steps of making a homogeneous slurry comprising powder of an oxide of a metal, graphene, and a polymeric binder with organic volatile solvent; coating a substrate with the homogeneous slurry with desired thicknesses; and drying the slurry on the substrate naturally or applying additional heat, resulting in a solid lubricant coating on the substrate. Substrates with coated solid composite lubricant show wear reduction and lower coefficient of friction compared with uncoated substrates.Type: GrantFiled: June 20, 2018Date of Patent: September 29, 2020Assignee: Purdue Research FoundationInventors: Vilas Ganpat Pol, Farshid Sadeghi, Abdullah Alazemi, Arthur D. Dysart
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Patent number: 10316791Abstract: A piston for an internal combustion engine may include a shaft. A dual-layer coating with an inner layer and an outer layer may be applied to the shaft. The inner layer may include organic binders and solid lubricants. The inner layer may also include hard material particles of at least one of tungsten disulphide (WS2), tungsten carbide (WC), silicon carbide (SiC), and aluminum oxide (Al2O3). The outer layer may include inorganic binders, may be air-hardening, and may have a lower wear resistance than the inner layer.Type: GrantFiled: May 2, 2017Date of Patent: June 11, 2019Assignee: Mahle International GmbHInventors: Cedric Dobua, Zeynep Kara
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Patent number: 10196576Abstract: A water lubrication type bearing material contains 12 wt. % to 25 wt. % of a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer resin (PFA resin), 18 wt. % to 33 wt. % of a carbon fiber, and a remainder including a polytetrafluoroethylene (PTFE) resin and/or a modified PTFE resin. The bearing material has excellent wear resistance and sliding characteristics for a water lubrication type bearing.Type: GrantFiled: January 12, 2016Date of Patent: February 5, 2019Assignee: EAGLE INDUSTRY CO., LTD.Inventor: Takanobu Matsumoto
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Patent number: 10144895Abstract: A lubrication structure for a shock absorber of a vehicle has a protecting pipe and a self-lubricating layer. The protecting pipe is a non-circular metal tube and has an elongated slit. The self-lubricating layer is an engineering plastic layer, is deposited in the protecting pipe and has a shaft hole. When the lubrication structure is deposited between an outer tube and an inner tube of a shock absorber of a vehicle, the protecting pipe engages in the outer tube to prevent the self-lubricating layer from contacting the outer tube directly. The self-lubricating layer with a small friction coefficient is mounted around the inner shaft to enable the inner shaft to move smoothly relative to the outer tube. The lubrication structure has characteristics of low cost, small volume, and small tolerance, and the life and the practicality of the lubrication structure can be improved.Type: GrantFiled: January 19, 2017Date of Patent: December 4, 2018Inventors: Hsiu-Sheng Yang, Kuo-Shen Chi
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Patent number: 9771539Abstract: The present invention aims to provide solid particles with improved lubrication, a solid lubricant including the solid particles, and a metal member including, on the surface thereof, the solid particles or the solid lubricant. The solid particles of the present invention include base particles and carbon fluoride particles attached to surfaces of the base particles.Type: GrantFiled: February 6, 2014Date of Patent: September 26, 2017Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Meiten Koh, Fumiko Shigenai, Tomohiro Isogai
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Patent number: 9580667Abstract: Briefly described, embodiments of this disclosure include articles and methods of making articles.Type: GrantFiled: May 11, 2016Date of Patent: February 28, 2017Assignee: University of Florida Research Foundation, Inc.Inventors: Wallace Gregory Sawyer, Jennifer Vail
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Patent number: 9493397Abstract: Ionomers comprising ionic groups such as, for example, tetraalkylammonium groups and methods of making such ionomers. For example, the ionomers can be produced by ring opening metathesis polymerization of alkene-containing monomers with tetraalkylammonium groups and, optionally, alkene-containing monomers without tetraalkylammonium groups. The ionomers can be used in applications such as, for example, fuel cell applications.Type: GrantFiled: May 31, 2010Date of Patent: November 15, 2016Assignee: Cornell UniversityInventors: Geoffrey W. Coates, Henry A. Kostalik, IV, Timothy J. Clark, Nicholas J. Robertson
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Patent number: 9422927Abstract: A swash plate, for a swash plate compressor, which is excellent in resistance to the occurrence of seizing in a condition where an extreme pressure is generated owing to local contact between the swash plate and a shoe which slides thereon and in a condition where lubricating oil is depleted, capable of preventing cavitation-caused erosion of a resin film when the swash plate is operated at a high surface pressure and a high speed in the presence of the lubricating oil and the swash plate compressor having the swash plate. A swash plate (3) for a swash plate compressor is so constructed that inside a housing (1) where a refrigerant is present, the refrigerant is compressed and expanded by converting a rotational motion of the swash plate (3) mounted perpendicularly and obliquely on a rotational shaft (2).Type: GrantFiled: September 21, 2011Date of Patent: August 23, 2016Assignee: NTN CORPORATIONInventors: Naonari Tanigawa, Yoshio Oki, Norikazu Muneda
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Patent number: 9255545Abstract: A piston for internal combustion engines has a skirt coating consisting of a wear resistant inner layer consisting of a polymer matrix having ceramic particles, aramide fibers and/or carbon fibers dispersed therein and an outer layer consisting of a polymer matrix having solid lubricants dispersed therein and an outer layer consisting of a polymer matrix having solid lubricants dispersed therein.Type: GrantFiled: September 23, 2011Date of Patent: February 9, 2016Assignee: KS KOLBENSCHMIDT, GMBHInventors: Andreas Rehl, Matthias Janke
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Publication number: 20150148271Abstract: The invention relates to a sliding layer based on a fiber-reinforced plastic, having a plastic matrix and at least one plastic thread as a reinforcement element. Said plastic matrix comprises at least one metal soap, preferably based on lithium stearate. No stick-slip effect occurs when using said sliding elements comprising said type of sliding layers, with steel counter elements.Type: ApplicationFiled: June 5, 2013Publication date: May 28, 2015Inventors: Hannes Golob, Thomas Walter, Dorit Pitz, Martin Muller-Brodmann, Martin Pitz, Achim Schmidt
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Publication number: 20150133350Abstract: Provided are: a solid lubricant having a low friction coefficient and excellent abrasion resistance; and a sliding member having this solid lubricant embedded therein. The solid lubricant (4) has a sea-island structure, comprising: a sea phase as a continuous phase, containing a hydrocarbon-based wax and a polyethylene resin; and an island phase as a dispersion phase, containing a low-molecular weight tetrafluoroethylene resin, a higher fatty acid salt, a phosphate of basic nitrogen-containing compound, and zinc stannate. A high-molecular weight tetrafluoroethylene resin is contained in this continuous-phase sea phase in a fibrous and mesh state. The hydrocarbon-based wax content is 30-60 vol %, the polyethylene resin content is 3-10 vol %, the low-molecular weight tetrafluoroethylene resin content is 10-30% vol %, the higher fatty acid salt content is 20-40% vol %, the basic nitrogen-containing compound phosphate content is 0.5-5 vol %, the zinc stannate content is 0.Type: ApplicationFiled: April 10, 2013Publication date: May 14, 2015Inventors: Yoshiaki Yamamoto, Kentaro Okubo
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Publication number: 20150133351Abstract: A plain bearing composite material (2), has a supporting layer (4), optionally a porous substrate layer (6), in particular made of bronze, and a sliding layer material (8) made of a matrix-forming thermoplastic plastic material (10) and fillers (12) accommodated therein, wherein the sliding layer material (8) has a fraction of 1-40 vol % wollastonite as a mineral filler (14) and at least half of the wollastonite is present with needle-shaped modification.Type: ApplicationFiled: April 30, 2013Publication date: May 14, 2015Inventors: Axel Pasternak, Rolf Reinicke, Ruediger Bickle, Corina Steck, Andreas Schmid, Frank Richter
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Publication number: 20150125101Abstract: 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.Type: ApplicationFiled: May 9, 2013Publication date: May 7, 2015Inventor: Roohollah Kachoosangi
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Publication number: 20150111794Abstract: A two component polyoxymethylene based system is disclosed. The two component system is comprised of a first polymer layer and a second polymer layer. The first polymer layer is comprised of a polyoxymethylene polymer composition comprising a polyoxymethylene polymer and optionally a tribological modifier. The second polymer layer is comprised of a second polymer composition comprising a liquid crystalline polymer, a polyarylene sulfide polymer, or a combination thereof and at least one tribological modifier. The compositions provide polymer articles, such as conveyor components, with improved tribological properties.Type: ApplicationFiled: October 10, 2014Publication date: April 23, 2015Inventors: Qamer Zia, Oliver Juenger, Jos Bastiaens
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Publication number: 20150105304Abstract: The present invention provides a grease composition or a lubricating oil composition which is capable of effectively preventing hydrogen brittleness-caused peeling from occurring on a rolling surface of a rolling bearing, is excellent in durability in a high temperature and speed operation, and can be used for a long time. A grease-packed bearing (1) has an inner ring (2), an outer ring (3), and a plurality of rolling elements (4). A sealing member (6) for sealing a grease composition (7) is provided at openings (8a) and (8b) disposed at both axial ends of the inner ring (2) and the outer ring (3). The grease composition (7) includes a base grease composed of a base oil and a thickener and an additive added to the base grease. The additive contains at least one compound selected from among plant-derived polyphenolic compounds and compounds formed by decomposition thereof.Type: ApplicationFiled: December 18, 2014Publication date: April 16, 2015Inventors: Hidenobu MIKAMI, Yosuke TAGUCHI, Takayuki KAWAMURA
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Publication number: 20150093593Abstract: A slide member is provided with a base material, a plated slide layer and an intermediate plated layer. The plated slide layer contains a solid lubricant. The intermediate plated layer is disposed between the base material and the plated slide layer, the intermediate plated layer increasing cohesion of the base material and the plated slide layer. The plated slide layer has a content of the solid lubricant in a range from 30 to 70 vol %, inclusive.Type: ApplicationFiled: July 18, 2014Publication date: April 2, 2015Inventor: Takamoto ASAKAWA
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Publication number: 20150093595Abstract: A slide member is provided with a base material and a slide layer. The slide layer is disposed on at least a portion of the base material. The slide layer contains a solid lubricant and a plurality of hard particles, the hard particles being harder than the solid lubricant.Type: ApplicationFiled: July 23, 2014Publication date: April 2, 2015Inventor: Takamoto ASAKAWA
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Publication number: 20150065405Abstract: Briefly described, embodiments of this disclosure include articles and methods of making articles.Type: ApplicationFiled: August 19, 2014Publication date: March 5, 2015Inventors: Wallace Gregory Sawyer, Jennifer Vail
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Publication number: 20150051123Abstract: There is provided a resin composition for a machinable liner of a sliding member. An ultraviolet curable resin composition for a self-lubricating liner contains a (meth)acrylate compound having an isocyanuric acid ring represented by the following formula and PTFE as a solid lubricant. In the formula (1), X is a group which contains an acryloyl group and is composed only of C, H, and O. Y and Z are groups each composed only of C, H, and O. PTFE is contained in an amount of 10 to 50% by weight with respect to a total amount of the ultraviolet curable resin composition. The ultraviolet curable resin composition is suitable for a self-lubricating liner 24 of a spherical bearing 20 having an outer race 22 and an inner race 26.Type: ApplicationFiled: October 24, 2014Publication date: February 19, 2015Inventors: Tadahiko KARAKI, Kunihiro MATSUMOTO, Koichiro SAGIYAMA
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Publication number: 20150018255Abstract: 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.Type: ApplicationFiled: September 13, 2012Publication date: January 15, 2015Applicant: TAIHO KOGYO CO., LTD.Inventors: Takashi Tomikawa, Toshiyuki Chitose
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Publication number: 20140349898Abstract: 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.Type: ApplicationFiled: October 30, 2012Publication date: November 27, 2014Applicant: TAIHO KOGYO CO., Ltd.Inventors: Kyohei Yamane, Shingo Goto
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Patent number: 8883697Abstract: A wear resistant lubricious composite includes a synthetic resin binder, a plurality of transfer film forming particles, and a plurality of hard nanoparticles. The hard nanoparticles are selected from the group consisting of metal oxides, metal carbides and metal nitride nanoparticles. A method of forming wear resistant lubricious composite articles includes the steps of providing a liquid phase synthetic resin precursor, adding a plurality of transfer film forming particles and a plurality of hard nanoparticles selected from the group consisting of metal oxide, metal carbide and metal nitride nanoparticles to the resin precursor to form a mixture, adding a hardener to the mixture, and curing the mixture.Type: GrantFiled: January 31, 2011Date of Patent: November 11, 2014Assignee: University of Florida Research FoundationInventors: Wallace Gregory Sawyer, Ben Peter Boesl, Nicole Lee McCook, David L. Burris
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Publication number: 20140329728Abstract: A sliding layer for a multi-layer bearing material that is free of lead. The sliding layer can include PTFE, sphalerite, and solid lubricants. The solid lubricants can include graphite and antimony oxide. In some embodiments, the sliding layer includes from 70 to 80 vol % PTFE, from 10-20 vol % sphalerite, and from 1 to 10 vol % solid lubricant (for example, graphite and antimony oxide).Type: ApplicationFiled: July 16, 2014Publication date: November 6, 2014Inventors: Yuan H. Peng, Michael Kim
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Publication number: 20140329729Abstract: A composition for producing a tribological composite material includes at least one platelet-shaped solid-state lubricant, at least one type of inorganic, platelet-shaped pigment particles, at least one surface-active compound which possesses at least one hydrophilic group and at least one hydrophobic group, and a curable binder system comprising at least one organic polymer or oligomer having one or more functional groups, or a precursor thereof.Type: ApplicationFiled: December 20, 2012Publication date: November 6, 2014Inventors: Carsten Becker-Willinger, Frank Hollmann, Christoph Kasper
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Patent number: 8735481Abstract: A bearing having a surface and a self-lubricating surface coating composition deposited on the surface, wherein the self-lubricating surface coating composition includes a curable acrylate composition having a metallic composition. The metallic composition having a metallic acrylate compound according to Formula I: and about 30 mass % to about 45 mass % PTFE fiber.Type: GrantFiled: September 2, 2011Date of Patent: May 27, 2014Assignee: Roller Bearing Company of America, Inc.Inventors: Gregg Hamel, John Cowles, Curtis Matthew Swartley
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Patent number: 8728993Abstract: 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.Type: GrantFiled: January 11, 2013Date of Patent: May 20, 2014Assignee: University of Florida Research Foundation, Inc.Inventors: W. Gregory Sawyer, David L. Burris
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Patent number: 8728992Abstract: The invention provides a grease composition containing a thickener, a base oil and an antistatic agent, where the antistatic agent includes at least one selected from the group consisting of Li(CF3SO2)2N and Li(CF3SO2)3C; and a mechanical part where the above-mentioned grease composition is packed. The composition of the invention shows satisfactory results in the antistatic properties and the acoustic property.Type: GrantFiled: May 14, 2010Date of Patent: May 20, 2014Assignee: Kyodo Yushi Co. Ltd.Inventors: Masamichi Yamamoto, Yutaka Imai, Jun-ichi Imai
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Publication number: 20140024563Abstract: 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.Type: ApplicationFiled: July 23, 2013Publication date: January 23, 2014Inventors: Matthew J. Heidecker, Jean-Luc M. Caillat
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Publication number: 20140005083Abstract: 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.Type: ApplicationFiled: June 13, 2013Publication date: January 2, 2014Applicant: NanoMech, Inc.Inventor: Ajay P. Malshe
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Patent number: 8420580Abstract: A sliding resin composition is provided which hardly seizes by decreasing oil repellency of PTFE to prevent discharging of lubricating oil from sliding surface. That is, by using resin composition 1 where particles of PTFE 3 in the surface of which inorganic compound 4 having oil-absorptivity is embedded are dispersed in synthetic resin 2, the inorganic compound 4 having oil-absorptivity absorbs and retains lubricating oil, and oil repellency of PTFE 3 on the sliding surface can be decreased. Thus, discharging of the lubricating oil from the sliding surface can be inhibited and resin composition 1 hardly seizes.Type: GrantFiled: December 20, 2010Date of Patent: April 16, 2013Assignee: Daido Metal CompanyInventors: Hideki Iwata, Seiji Amano
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Patent number: 8383561Abstract: 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.Type: GrantFiled: August 24, 2010Date of Patent: February 26, 2013Assignee: University of Florida Research Foundation, inc.Inventors: W. Gregory Sawyer, David L. Burris
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Patent number: 8372486Abstract: Liquid hydrofluorocarbons provide low corrosivity lubrication of metallic surfaces especially at elevated temperatures.Type: GrantFiled: December 17, 2007Date of Patent: February 12, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Gregory A. Bell, Jon Lee Howell, Clay Woodward Jones, Robert Clayton Wheland
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Publication number: 20130005618Abstract: The invention relates to a spray material on an iron base for the thermal coating of a substrate, in particular for the thermal coating of a running surface of a cylinder of a reciprocating combustion engine, wherein the spray material includes FeTiO3 as a base material. In accordance with the invention, the spray material includes at least one first solid lubricant composed of a sulfide and one second solid lubricant composed of a fluoride. The invention further relates to a method for manufacturing a spray material, to a spray wire, in particular a spray filler wire for use in a thermal wire spraying method, to a thermal spray layer on an iron base, in particular for a running surface of a cylinder of a reciprocating combustion engine, to a spraying method for manufacturing a thermal spray layer, as well as to the use of a powder material and of a spray wire for manufacturing a thermal spray layer.Type: ApplicationFiled: July 7, 2009Publication date: January 3, 2013Inventors: Gérard Barbezat, Silvia Barbezat, Peter Ernst
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Patent number: 8202825Abstract: There are provided a solid lubricant having an island-and-sea structure, which, with the sea phase strengthened, remains free of troubles such as chipping even in use under high load conditions, and a sliding member having the solid lubricant embedded therein. The solid lubricant comprises 1 to 10% by volume of a polyethylene resin, 20 to 60% by volume of a hydrocarbon-based wax, 10 to 60% by volume of melamine cyanurate, 5 to 15% by volume of a polyamide resin, and 2 to 10% by volume of a modified polyethylene resin. The sliding member has the solid lubricant embedded in pores or grooves formed in a sliding surface of the sliding member body.Type: GrantFiled: September 4, 2007Date of Patent: June 19, 2012Assignee: Oiles CorporationInventor: Yoshiaki Yamamoto
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Publication number: 20120083431Abstract: Provided is a lubricating oil composition for a refrigerator which uses a base oil including as the main component at least one kind of oxygen-containing compounds selected from polyoxyalkylene glycols, polyvinyl ethers, copolymers of poly(oxy)alkylene glycols or monoethers thereof and polyvinyl ethers, polyol esters, and polycarbonates. The lubricating oil composition for a refrigerator is used for a refrigerator that uses, as a refrigerant, a fluorine-containing organic compound, which is a refrigerant applicable to current car air conditioner systems or the like and has a specific polar structure, and has favorable sealing property, a low coefficient of friction factor in a sliding part, and excellent stability as well as excellent compatibility with the refrigerant.Type: ApplicationFiled: December 9, 2011Publication date: April 5, 2012Applicant: Idemitsu Kosan Co., Ltd.Inventor: Masato KANEKO
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Publication number: 20120058923Abstract: A bearing having a surface and a self-lubricating surface coating composition deposited on the surface, wherein the self-lubricating surface coating composition includes a curable acrylate composition having a metallic composition. The metallic composition having a metallic acrylate compound according to Formula I: and about 30 mass % to about 45 mass % PTFE fiber.Type: ApplicationFiled: September 2, 2011Publication date: March 8, 2012Applicant: ROLLER BEARING COMPANY OF AMERICA, INC.Inventors: Gregg Hamel, John Cowles, Curtis Matthew Swartley
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Publication number: 20120046204Abstract: The invention provides a grease composition containing a thickener, a base oil and an antistatic agent, where the antistatic agent includes at least one selected from the group consisting of Li(CF3SO2)2N and Li(CF3SO2)3C; and a mechanical part where the above-mentioned grease composition is packed. The composition of the invention shows satisfactory results in the antistatic properties and the acoustic property.Type: ApplicationFiled: May 14, 2010Publication date: February 23, 2012Inventors: Masamichi Yamamoto, Yutaka Imai, Jun-Ichi Imai
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Patent number: 8071255Abstract: A fuel cell comprising a proton transporting membrane is provided. The proton transporting membrane comprises a polyelectrolyte film comprising a multilayer comprising an interpenetrating network of a net positively charged polyelectrolyte polymer comprising repeat units with at least two fluorine atoms and a net negatively charged polyelectrolyte polymer comprising repeat units with at least two fluorine atoms, and further comprising a fluorinated counterion within the multilayer.Type: GrantFiled: March 19, 2010Date of Patent: December 6, 2011Assignee: Florida State University Research FoundationInventor: Joseph B. Schlenoff
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Publication number: 20110172131Abstract: A bearing having a surface and a self-lubricating surface coating composition deposited on the surface, wherein the self-lubricating surface coating composition includes a curable acrylate composition having a metallic composition. The metallic composition having a metallic acrylate compound according to Formula I: The metallic composition further includes a metallic oxide.Type: ApplicationFiled: March 22, 2011Publication date: July 14, 2011Applicant: ROLLER BEARING COMPANY OF AMERICA, INC.Inventors: Gregg L. Hamel, John H. Cowles, JR., Andrew Henn, Gisele Giguere