TAIHO KOGYO CO., LTD. Patent applications |
Patent application number | Title | Published |
20160102707 | SLIDING BEARING - Provided is a slide bearing with which friction can be reduced and the total amount of effluent oil can be reduced. In the slide bearing in which the halved members made by dividing the cylinder in two in the direction parallel to the axial direction are disposed vertically, the narrow grooves are provided at an end of the lower halved member in the circumferential direction from a mating surface on a downstream side of a rotation direction to a predetermined bearing angle and peripheral edge parts are provided outside the narrow grooves in an axial direction. | 04-14-2016 |
20160097391 | VACUUM PUMP - In the vane pump comprising the housing, the vane, and the cap, the sliding surface of the cap is configured as arc shape in the view from the rotational axis direction and the width toward the sliding direction of the cap is configured to be smaller than the width at the sliding angle field which is virtual area for contacting the inner surface of the pump room among the circumference including the arc shape of the sliding surface of the cap and to be bigger than the width at the high loading area where the load added to the sliding surface which is bigger than the predetermined value among the sliding angle field. | 04-07-2016 |
20160091021 | SLIDING BEARING - To provide a technique by which the occurrence of cracks due to fatigue can be suppressed. The sliding bearing of the present invention is a sliding bearing including: a lining consisting of 3 wt % or more and 12.5 wt % or less of Sn, 1 wt % or more and 8 wt % or less of Si, 0.05 wt % or more and 3 wt % or less of Cr, 0.05 wt % or more and 0.3 wt % or less of Zr, 0.01 wt % or more and 0.5 wt % or less of Ti, 3 wt % or less of Cu or Mg, and 0 wt % or more and 9 wt % or less of Bi, and the balance Al with inevitable impurities, 10 wt % or more and 90 wt % or less of Cr forming an intermetallic compound with Al, and the rest of Cr forming a solid solution with Al; a back metal; and an intermediate layer formed between the back metal and the lining by an Al alloy containing 0.01 wt % or more of at least one solid solution component selected from Zn, Cu, Mg, Li, Mn, V, Zr, Fe, Mo, Co, Ni, Hf, Sc, Ti and W wherein the whole amount of the solid solution component forms a solid solution with Al, in such a manner that the intermediate layer has a thickness of 20 μm or more and Vickers hardness of 30 or more and 80 or less. | 03-31-2016 |
20160040591 | LUBRICANT FEED MECHANISM FOR TURBOCHARGER - Provided is a lubricant feed mechanism for a turbocharger, the mechanism that can reduce work of an oil pump while preventing an excessive supply of lubricant to a bearing part. The lubricant feed mechanism for a turbocharger, the mechanism of feeding lubricant to a bearing part that rotatably supports a shaft connecting a compressor wheel and a turbine wheel, includes: an oil supply passage that guides the lubricant fed under pressure from the oil pump to the bearing part; and a flow control valve provided to the oil supply passage for adjusting the amount of the lubricant by throttling the flow passage of the lubricant based on a pressure of the lubricant flowing through the oil supply passage. | 02-11-2016 |
20160025131 | SLIDING MEMBER AND SLIDING BEARING - The present invention discloses a sliding member, comprised of a base layer including soft particles made of a soft material softer than a matrix and deposited in the matrix, and a soft layer made of the soft material formed on a surface of the base layer, wherein: the soft layer includes an epitaxial growth portion that is epitaxially grown from the soft particles. | 01-28-2016 |
20150377285 | SLIDE BEARING - Provided is a slide bearing with which friction-reducing effects can be obtained and the total volume of effluent oil can be limited. A slide bearing in which halved members made by dividing a cylinder in two in a direction parallel to the axial are disposed vertically, wherein narrow grooves are provided at the ends of the slide bearing in the axial direction, the narrow grooves extending in the circumferential direction from the mating surface on the downstream side of the rotation direction to a specified bearing angle is an angle rotated in the range of ≧0 degree to ≦90 degrees from the mating surface on the downstream side in the rotation direction (bearing angle of 180 degrees) towards the upstream side in the rotation direction. In other words, the bearing angle is the range of 180 degrees to 270 degrees. | 12-31-2015 |
20150377096 | OIL LEVEL REGULATING APPARATUS - An oil level regulating apparatus includes a valve unit and a solenoid unit. The valve unit includes a housing having an inflow hole, an outflow hole, and a leak hole, a partition separating the outflow hole and the leak hole, defining a valve chamber close to the outflow hole, and having a partition continuous hole, a valve dividing the valve chamber into an introduction chamber and a pressure chamber and having a valve continuous hole, and a valve biasing member biasing the valve. The solenoid unit has a shaft configured to open and close a leak channel. The shaft can open and close the leak channel on the downstream side of the pressure chamber. When the shaft closes the leak channel, the valve is switched to a closed valve state of closing the outflow hole. | 12-31-2015 |
20150260062 | LUBRICANT FEED MECHANISM FOR ENGINE - Provided is a lubricant feed mechanism for an engine capable of achieving manufacturing cost reduction. A lubricant feed mechanism for an engine ( | 09-17-2015 |
20150136066 | LUBRICANT FEED MECHANISM FOR ENGINE - Provided is a lubricant feed mechanism for an engine in which space above a cam cap is not used. A lubricant feed mechanism for an engine is configured to feed lubricant through a cylinder head, a camshaft, and a cam cap to a cam of a valve gear. The mechanism includes an oil feed member that is disposed in the cam cap such that an upper end thereof is set at a lower level than an upper end of the cam cap in a height-wise direction and has an oil passage configured to guide lubricant to be fed through the cam cap to the cam. | 05-21-2015 |
20150093238 | METHOD FOR MANUFACTURING TURBOCHARGER BEARING HOUSING, AND TURBOCHARGER BEARING HOUSING - There is provided a method for manufacturing a turbocharger bearing housing which can prevent a collapsible core from being damaged when molten metal is cast in the mold. The method for manufacturing a bearing housing of a turbocharger is that the bearing housing of the turbocharger is formed with a cooling passage for circulating cooling liquid by casting using a collapsible core. The collapsible core includes the end part forming portions (a one end forming portion and an other end forming portion) corresponding to the end portions of the cooling passage and having a substantially elliptical cross-section, and a fixing portion holding the end part forming portions and being embedded in a mold and fixed to the mold. | 04-02-2015 |
20150036955 | SLIDING MEMBER AND MANUFACTURING METHOD THEREFOR - A thrust bearing is equipped with a resin coating applied to the surface of a base material. Lattice-shaped discharge grooves are formed in the surface of the thrust bearing, and planer protrusions having a square shape or the like are formed at the adjacent positions thereof. Each corner part of each planer protrusion form a sliding surface that slides with respect to a counterpart member. Contaminants such as wear particles that have infiltrated between the counterpart member and the sliding surface fail into the discharge grooves and then are discharged outside of the sliding surface. The chamfering of each corner part to a rounded shape prevents the contaminants from accumulating in the discharge grooves, thus preventing the contaminants from biting into the planer protrusions. | 02-05-2015 |
20150027388 | OIL JET | 01-29-2015 |
20150018255 | SLIDING MEMBER AND SLIDING MATERIAL COMPOSITION - 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. | 01-15-2015 |
20140349898 | SLIDING COMPONENT - 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. | 11-27-2014 |
20140303050 | SLIDING MEMBER AND SLIDING MATERIAL COMPOSITION - 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. | 10-09-2014 |
20140301880 | SCROLL COMPRESSOR - [Problem] To exchange the roller bearing that has been used in a scroll compressor mounted in an automobile with a m slide bearing. To provide a slide bearing having a performance that is at least equivalent to that of a roller bearing. | 10-09-2014 |
20140147326 | PROCESS FOR PRODUCTION OF SINTERED COPPER ALLOY SLIDING MATERIAL AND SINTERED COPPER ALLOY SLIDING MATERIAL - Seizure resistance and wear resistance of Cu—Bi—In copper-alloy sliding material are enhanced by forming a soft phase of as pure as possible Bi. Mixed powder of Cu—In cuprous alloy powder and Cu—Bi containing Cu-based alloy powder is used. A sintering condition is set such that Bi moves outside particles of said Cu—Bi containing Cu-based powder and forms a Bi grain-boundary phase free of In, and In diffuses from said Cu—In containing Cu-based powder to said Cu—Bi containing Cu-based powder. | 05-29-2014 |
20140091161 | PISTON COOLING JET - A piston cooling jet includes a housing, a nozzle, a valve, a pressure chamber, a pressure adjusting passage, and a filter. The nozzle is provided to project outward from the housing, and capable of spraying oil toward a piston. The valve is capable of moving reciprocally inside the housing, and configured to receive a load due to a hydraulic pressure in an engine-side oil passage applied from a front side of the valve. The valve includes a valve-side oil passage that communicates with the engine-side oil passage. The pressure chamber communicates with the valve-side oil passage. The pressure adjusting passage is disposed between the pressure chamber and a space outside the housing. The filter is disposed in the valve, and configured to remove foreign matter that cannot pass through the pressure adjusting passage from oil passing through the valve-side oil passage. | 04-03-2014 |
20130337271 | SLIDING MATERIAL COMPOSITION AND SLIDING MEMBER - 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 Nω-monoacyl basic amino acid, 5 to 25 vol % of molybdenum disulfide, and 5 to 20 vol % of polytetrafluoroethylene. | 12-19-2013 |
20130247699 | SWASH PLATE OF SWASH-PLATE TYPE COMPRESSOR - A swash plate of a swash plate-type compressor is covered with a resin-based coating layer containing 5 to 60 mass % of spherical graphite particles having an average particle diameter of 5 to 50 μm, the balance being one or more species selected from polyimide resin and polyamide-imide resin. The spherical graphite particles excepting minute particles having a particle diameter 0.5 times or smaller the average particle diameter, have an average shape coefficient (Y | 09-26-2013 |
20130116157 | SLIDING MATERIAL BASED ON GRAPHITE-ADDED RESIN AND SLIDING MEMBER - [Task] Seizure resistance of sliding material based on graphite-added resin is improved. | 05-09-2013 |
20130108197 | BEARING APPARATUS | 05-02-2013 |
20130022301 | ALUMINUM ALLOY FOR PLAIN BEARING, PLAIN BEARING AND PRODUCTION METHOD FOR THE BEARING - With regard to an Al—Cr—Zr based alloy having annealing temper, a high temperature strength at 180 to 200 degrees C. is ensured. An aluminum alloy for a plain bearing having improved fatigue resistance is to be provided. An aluminum alloy for a plain bearing solving the problems has a composition of 3 to 7 mass % Mg, 0.1 to 0.3 mass % Cr, and 0.1 to 0.3 mass % Zr, with the balance being Al and inevitable impurities. A principal structure of the aluminum alloy consist of an Al matrix containing solute Mg, minute particles of Cr, and Zr. | 01-24-2013 |
20120270761 | SLIDING MEMBER | 10-25-2012 |
20120263403 | SLIDING BEARING STRUCTURE FOR A SHAFT MEMBER - A sliding bearing structure for a shaft member includes: a shaft member; a bearing member rotates relative to the shaft member; an oil supply space to which lubrication is supplied between sliding surfaces of the shaft member and the bearing member; two annular grooves formed in a circumferential direction in an inner peripheral surface of the bearing member; and two annular seal members formed as separate pieces from the shaft member and the bearing member, and arranged in the annular grooves between the shaft member and the bearing member. Each annular seal member is formed in plural, and is made of material having a thermal expansion coefficient such that an inside diameter of the annular seal member is smaller than an inside diameter of the bearing member at a low temperature, and is the same as or larger than the inside diameter of the bearing member at a high temperature. | 10-18-2012 |
20120148180 | SLIDING SUPPORT STRUCTURE FOR SHAFT MEMBER - A sliding support structure includes: a support member ( | 06-14-2012 |
20120096988 | LEAD-FREE COPPER-BASED SINTERED SLIDING MATERIAL AND SLIDING PARTS - The present invention relates to sliding material provided by sintering a lead-free copper or copper alloy and contains at least one mineral selected from the group consisting of talc, mica, kaolinite mineral and montmorillonite mineral. Pb has conventionally been included in sliding materials for the purpose of obtaining conformability and seizure resistance. Despite the absence of Pb, the Pb-free copper-based sliding material and sliding parts according to the present invention have improved sliding properties. | 04-26-2012 |
20110224112 | SLIDING PART MADE OF Pb-FREE Cu-Bi BASED SINTERED ALLOY - Sliding parts are made of Pb-free Cu-Bi based sintered material. The side in contact with a shaft is machined to a predetermined roughness. A number of Bi phases are present on the finished surface. Stable performance of Bi is to be exhibited. Machined sintered material covers a portion of the Bi phases. The ratio of the exposed surface area of the Bi phases is 0.5% or more relative to the area of the finished surface. | 09-15-2011 |
20110129173 | Pb-FREE COPPER ALLOY SLIDING MATERIAL AND PLAIN BEARINGS - [Task] In the provided Cu-based sliding material, the properties equivalent to those of a Pb-containing material is attained even free of Pb, and material has stable friction coefficient. | 06-02-2011 |
20110124535 | METHOD FOR PRODUCING SLIDING MEMBER, SLIDING MEMBER, AND SUBSTRATE MATERIAL OF SLIDING MEMBER - [Task] In a method, in which a plain bearing alloy layer | 05-26-2011 |
20110097593 | PTFE-BASED SLIDING MATERIAL, BEARING, AND METHOD FOR PRODUCING PTFE-BASED SLIDING MATERIAL - (Task) A PTFE-based sliding material, wherein the porous sintered layer on the surface of backing metal is impregnated with baked PTFE, and occasionally, with one or both of the solid lubricant and wear-resistant additive together with fibrous PTFE, is used for a bearing of air-conditioner. Resistance of the bearing for local wear is required. Such wear resistance is to be enhanced. | 04-28-2011 |
20110089360 | FLOW CONTROL VALVE AND METHOD FOR MANUFACTURING THE SAME - A flow control valve in which corrosion is less likely to occur in the vicinity of a radial step portion in a gas passage of a housing and a method for manufacturing the same are provided. A flow control valve includes: a housing formed with a gas passage including a first cylinder member accommodating portion, a second cylinder member accommodating portion, and a radial step portion; a first cylinder member accommodated in the first cylinder member accommodating portion; a second cylinder member accommodated in the second cylinder member accommodating portion; and a valve body that is rotatably arranged inside the first cylinder member and the second cylinder member in the radial direction. The housing is formed of cast iron. At least surfaces of the first cylinder member and the second cylinder member are formed of a highly corrosion resistant material. At least one of a first axial end surface and a second axial end surface includes an opposing portion that opposes the radial step portion in the axial direction. A gas seal structure is arranged between the opposing portion and the radial step portion. | 04-21-2011 |
20110052112 | SLIDING MEMBER FOR THRUST BEARING - The present invention aims to provide a highly heat-resistant sliding member for thrust bearing which can be manufactured at a low cost through formation of an intermediate layer by a conversion treating method for cost reduction, includes a chemical conversion coating formed on an iron-base member and a resin film containing a thermosetting resin and a solid lubricant which is formed on the chemical conversion coating, and can resist to high temperatures of 200° C. or higher. And the invention is concerned with the sliding member for thrust bearing, characterized by including an iron-base member performed shot blast treatment on which the chemical conversion coating of zinc calcium phosphate is formed and a resin film containing a thermosetting resin requiring baking at temperatures of 200° C. or higher and the solid lubricant is further formed. | 03-03-2011 |
20110012419 | WHEEL BALANCE WEIGHT - To provide a wheel balance weight in which a release coated paper is likely to be detached when assembling it with a wheel. | 01-20-2011 |
20100266444 | Pb-FREE COPPER ALLOY SLIDING MATERIAL - When a Cu—Sn—Bi had-particle based sliding material is used for sliding, Cu of Cu matrix flows and covers up Bi phase. Seizure resistance lowers as time passes. A Pb-free sliding material preventing the reduction of seizure resistance is provided. (1) Composition: from 1 to 15% of Sn, from 1 to 15% of Bi, from 0.02 to 0.2% of P, and from 1 to 10% of hard particles having an average diameter of from 50 to 70 μm, with the balance being Cu and unavoidable impurities. (2) Structure: Bi phase and the hard particles are dispersed in the copper matrix, and all of said hard particles are bonded to the copper matrix. | 10-21-2010 |
20100261625 | COMPOSITION FOR SLIDING MEMBER AND SLIDING MEMBER COATED WITH THE COMPOSITION - An object of the invention is to provide a composition for a sliding member capable of forming a lubricating film which does not occur large cracks in the lubricating film formed even if the formed lubricating film is pressed and slid, large peeling off of the lubricating film is restrained from occurring, and improved in abrasion resistance. The invention provides the composition for the sliding member containing a base resin and nano metal particles softer than the counterpart material of sliding, wherein the content of the soft nano metal particles is 5 vol % or less. | 10-14-2010 |
20100206406 | VALVE ASSEMBLY - A valve assembly in which, even if a housing corrodes, application of a radially inward compression force to a heat-resistant filter can be suppressed. The valve assembly includes the housing having a gas path and a valve shaft hole, a valve having a valve shaft movably inserted in the valve shaft hole and also having a valve element connected to the valve shaft, and tubular heat-resistant filters installed between the inner peripheral surface of the valve shaft hole and the outer peripheral surface of the valve shaft and capturing dust in exhaust gas. The housing is made of cast iron. The valve assembly further has reinforcement collars installed between the inner peripheral surface of the valve shaft hole and the outer peripheral surfaces of the heat-resistant filters. The reinforcement collars have higher rigidity than the heat-resistant filters. At least the surfaces of the reinforcement collars are made of a high corrosion resistant material having higher corrosion resistance than the cast iron. | 08-19-2010 |
20100129011 | PLAIN BEARING - The copper alloy (lining) prevails in an overwhelmingly large amount in a plain-bearing layer structure. Cu of the plain bearing copper-alloy diffuses into the Sn-based overlay diffuses into the Sn-based overlay and detrimentally impairs the performance of the overlay. The present invention takes a measure against this problem. An Sn-based overlay having a thickness of 3 to 19 μm is deposited by electro-plating without an intermediate layer for diffusion prevention on a plain-bearing layer, which contains Sn and Ni in a total amount of more than 4 mass % to 20 mass % (the minimum amount of Sn is 4 mass %) and has a hardness of Hv 150 or less. | 05-27-2010 |
20100111753 | Pb-FREE COPPER-BASED SINTERED SLIDING MATERIAL - [Task] The adhesion resistance of Cu—Bi based or Cu—Sn—Bi based alloy is lower than that of Cu—Sn—Pb based alloy, and also since conformability of the former alloy is low. Therefore, when Bi of the former alloy adheres onto an opposite shaft, seizure of the former alloy is likely to occur as compared with the case of the latter Cu—Sn—Pb based alloy. In is alloyed in the Bi phase of the Cu—Sn—Bi—In based copper alloy. The In-alloyed Bi phase has a considerably low melting point and therefore the sliding properties deteriorate. | 05-06-2010 |
20090160239 | WHEEL BALANCE WEIGHT - To provide a wheel balance weight in which a release coated paper is likely to be detached when assembling it with a wheel. | 06-25-2009 |
20080258537 | WHEEL BALANCE WEIGHT - A wheel balance weight includes a weight, an adhesive seal, a release coated paper, and a protrusion. The protrusion is made of at least a part of the release coated paper, is disposed along a longitudinal direction of the weight, protrudes parallelly to a widthwise direction of the weight beyond one of opposite widthwise ends of the adhesive seal, is located at least around a position, which corresponds to the weight's center of gravity, and is provided with a cut-off, which is placed at the position corresponding to the weight's center of gravity. The wheel balance weight demonstrates improved workability upon assemblage. | 10-23-2008 |