| Uchiyama Manufacturing Corp. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120132157 | Water Jacket Spacer - A water jacket spacer has a spacer body molded in conformity to the shape of the water jacket and a regulating member whose one side is fixed to the spacer body. The regulating member is composed of a first member which is not water-swellable and is elastically deformable and a second member made of water-swellable elastomer which is integrally fixed to the first member. The regulating member lies in a state not-contacting an opposed wall of the water jacket when inserted into the water jacket together with the spacer body, whereas it blocks a part of cooling water flowing through the water jacket by deforming such that a side of the regulating member not fixed to the spacer body faces toward the opposed wall of the water jacket when the second member swells by absorbing cooling water flown into the water jacket and thereby the first member is elastically deformed. | 05-31-2012 |
| 20120091665 | Seal Structure - A seal structure for sealing a penetrated portion through which a rotary shaft passes between a cover member and the rotary shaft. A seal member is fitted onto the rotary shaft in a manner that the rotary shaft can rotate relative to the seal member, and the elastic buffer member is provided for connection between the seal member and the cover member at the penetrated portion. The seal structure can keep sealing performance by reducing the influence of movements such as vibration and thermal expansion of the cover member and the influence of process tolerance of the cover member on the sealing performance of the seal member attached to the penetrated portion between the cover member and the rotary shaft penetrating the cover member. | 04-19-2012 |
| 20120007316 | ANNULAR SEALING DEVICE - An annular sealing device having a core member and a seal lip member of elastic body fixed to the core member, adapted to be mounted between a metal outer member and an inner member with a flange portion in which the outer member and the inner member are concentrically provided and relatively rotate. The core member comprises a fitting cylindrical portion which is fitted to an inner circumferential portion of the outer member, an outward flange portion extending in centrifugal direction from one end of the fitting cylindrical portion, and including an abutment portion which directly contacts an end surface on the side of the flange portion of the outer member under fitted state, and an inward flange portion extending in centripetal direction from the other end of the fitting cylindrical portion. The seal lips member includes a lip base portion fixed to an area from an inner circumferential edge of the inward flange portion to an outer circumferential edge of the outward flange portion, and a plurality of annular lips to extend concentrically from the lip base portion. The annular lips include a plurality of axial lips which slidably contact the flange portion under elastically deformed state, an exterior lip formed at the radially outermost circumference so as to slidably contact or to be disposed close to the flange portion, and a gasket lip formed to project opposite to the flange portion on the radially outward side of the abutment portion and elastically contacting the end surface of the outer member along the axial direction under compressed state. | 01-12-2012 |
| 20110182540 | Sealing Cap - A sealing cap made of metal adapted to be fitted into an end opening of a cylindrical mechanical member for closing an inner cylindrical portion of the mechanical member. The sealing cap comprises a disk-like cap body and a cylindrical portion integrally extended from a circumferential edge portion of the cap body and fitted under pressure into the end opening of the inner cylindrical portion of the cylindrical mechanical member. The cap body includes an inclined surface portion whose diameter is gradually reduced toward inner side of the inner cylindrical portion of the cylindrical mechanical member. | 07-28-2011 |
| 20110089642 | Bearing Seal - A bearing seal of pack seal type used for a bearing unit rotatably supporting a rotary side member on an inner ring side relative to a stationary side member on an outer ring side. The bearing seal comprising a first slinger member having a cylindrical part fitted onto the rotary side member and an outward flange part extended from one end of the cylindrical part of the first slinger member, a second slinger member having a cylindrical part fitted onto the cylindrical part of the first slinger member and an outward flange part extended from one end of the cylindrical part of the second slinger member, a core member having a cylindrical part fitted into the stationary side member and an inward flange part extended from one end of the cylindrical part of the core member, a stationary side seal lip member fixed to the core member and having a seal lip contacting elastically and slidably with the second slinger member, a rotary side seal lip member fixed to the second slinger member and having a seal lip contacting elastically and slidably with the core member, and an annular multipolar magnet attached to the outward flange part of the first slinger member. | 04-21-2011 |
| 20100247014 | Sealing device - A sealing device being disposed between an outer member and an inner member with a flange portion in which the outer and inner members are concentrically disposed and rotate relative to each other. The sealing device comprises a core metal fit to the outer member, and an elastic seal member having a seal lip integrally fixed to the core metal. The seal lip has a side lip elastically and slidably contacting the flange portion, and an exterior lip formed at outer diameter side of the side lip so as to extend toward the flange portion. The exterior lip has a projecting portion projecting toward the flange portion. | 09-30-2010 |
| 20100242868 | PARTITION MEMBER FOR COOLING PASSAGE OF INTERNAL COMBUSTION ENGINE, COOLING STRUCTURE OF INTERNAL COMBUSTION ENGINE, AND METHOD FOR FORMING THE COOLING STRUCTURE - The position of a passage separating member in the axial direction of the cylinder bores is determined by causing a spacer to contact a bottom surface of a water jacket. When the separating member is inserted in the water jacket, the width of the separating member is reduced due to elastic deformation, so that the separating member can be arranged in the water jacket. After being arranged, the separating member tightly contacts the inner surface of the water jacket due to elastic restoration force. The tight contact prevents the separating member from moving upward in the water jacket. As a result, coolant is prevented from moving between the upper portion and the lower portion with respect to the separating member. The advantages of separate cooling of the coolant in the upper and lower portions with respect to the separating member are obtained. This reliably reduces the temperature difference along the axial direction of the cylinder bore forming body. | 09-30-2010 |
| 20100143076 | Metalannular Gasket - A metal annular gasket comprising an annular metal base plate; a compound layer integrally laminated on both surfaces of the annular metal base plate, the compound layer being made of synthetic resin or a rubber material mixed with a fiber material; and an annular seal layer having a circumferential covering portion which covers the inner circumferential edge of the annular metal plate and the inner circumferential edge of both compound layers, the compound layer being made of synthetic resin or a rubber material. The annular seal layer is formed such that the surface of the annular seal layer is so connected to the surfaces of the compound layer as to provide smooth transition in its thickness direction. | 06-10-2010 |
| 20100090411 | Sealing device - A sealing device for sealing a space between a rotary side member and a stationary side member which comprises a slinger with a specific structure is disclosed. The sealing device comprises a slinger fixedly fitted to a rotary side member, a core member fixedly fitted to a stationary side member, and an elastic sealing member fixed to the core member and having a seal lip which elastically and slidably contacts the slinger in which the slinger is characterized by comprising a fitting cylindrical portion to be fitted into said rotary side member, a brim portion extending its radial direction at one end of its outside relative to a sealed portion of the fitting cylindrical portion, and a rotary side fixing member fixed to the brim portion; and further characterized by being made in such a manner that an adhesive layer is formed on its whole surface including a contacting side surface where said seal lip contacts by applying adhesive agent thereon, then the fixing member is integrally fixed thereto, thereafter the adhesive layer is partially removed only in the contacting side surface. | 04-15-2010 |
| 20100077583 | THERMOSTAT INSTALLING STRUCTURE - The thermostat installing structure is provided, according to which a thermostat can be installed stably in the circulation path of cooling medium, and the circulation path of cooling medium can be also fastened to the body of an internal combustion engine without causing any damage to the function of the thermostat. The thermostat ( | 04-01-2010 |
| 20100052262 | Sealing device - A sealing device for sealing space between two members concentrically and relatively rotating comprising a core member fixedly fitted into one of the two members, a metal slinger fixedly fitted into the other of the two members, and an elastic seal member fixedly attached to the core member and having a seal lip which elastically and slidably contacts the slinger. The slinger has a slidably contacting treated surface for the seal lip as is processed such a surface-treatment as defined by the following parameters: arithmetic mean roughness Ra in the range from 0.5 μm to 1.5 μm, root-mean-square roughness Rq in the range from 0.6 μm to 2.0 μm, mean surface irregularity interval Sm in the range from 0.05 mm to 0.17 mm and peak count Pc (50%) in the range from 20 to 60. | 03-04-2010 |
| 20090261502 | INTEGRAL MOLDING METHOD OF GASKET OF FUEL CELL-USE COMPONENT MEMBER AND MOLDING DEVICE THEREOF - An integral molding method of gasket of a fuel cell component member in which a gasket body is integrally molded with an outer peripheral portion of a membrane electrode assembly and a peripheral portion of an opening formed on the membrane electrode assembly by cross-linking molding using a mold having a heating means, the membrane electrode assembly comprising a proton exchange membrane, a gas diffusion layer integrally laminated on both sides of the proton exchange membrane via a catalyst carrier layer constituting an electrode. The mold has a cavity corresponding to a molding portion of the gasket body and a heat insulation zone corresponding to a power generating functional portion of the fuel cell component member, a not-cross-linked gasket material is filled in the cavity and the gasket material is molded by heat cross-linking molding using the heating means, whereby a heat generated by molding is prevented from being transmitted to the power generating functional portion by the heat insulation zone. The heat insulation zone is constructed with a recessed portion formed on the mold corresponding to the power generating functional portion, and an inner wall of the recessed portion is attached with a heat insulation material. | 10-22-2009 |
| 20090219017 | Tone Wheel and Method for Manufacturing The Same - A tone wheel constituting a rotation detection magnetic encoder in combination with a magnetic sensor fixed onto a stationary side member, the tone wheel comprising a metal reinforcing ring fitted in a rotary side member and a circular multipolar magnet fixed to the metal reinforcing ring. the circular multipolar magnet is made of a plastic magnet of a circular resin molded product which contains a magnetic powder therein and is magnetized with a number of S and N poles alternatively provided along its circumference. The metal reinforcing ring has a mating portion with which a part of the circular resin molded product mates. The circular resin molded product is a molded product integrally combined with the metal reinforcing ring in which a part of the circular resin molded product mates with the mating portion of the metal reinforcing ring, and is made by charging a melt resin material into a forming die in which the metal reinforcing ring is disposed and hardening the melt resin material. The metal reinforcing ring has at its edge a bent portion which is enwrapped with a part of the circular resin molded product, and the mating portion is provided at the bent portion. | 09-03-2009 |
| 20090154854 | Coreless Seal and Rolling Bearing - A coreless seal | 06-18-2009 |
| 20090102134 | Sealing Device With Tone Wheel - A sealing device (A) with a tone wheel formed to seal between a fixed side member ( | 04-23-2009 |
| 20090085299 | Sealing Device - A sealing device formed to seal between a fixed side member and a rotating side member, comprising a slinger having a fitting cylindrical part fitted to the rotating side member and a flange part formed at one end part of the fitting cylindrical part positioned on the outer side of a sealed portion so as to be extended in the radial direction. A core comprises at least a fitting cylindrical part fitted to the fixed side member. The sealing device is characterized in that one end part of the fitting cylindrical part positioned on the outer side of the sealed portion is positioned on the sealed portion side more than the sealed portion side inner surface position of the flange part of the slinger and a part of a seal lip part is formed to be projected from near one end part of the fitting cylindrical part of the core and to be brought into elastically slidable contact with the extended end face of the slinger. | 04-02-2009 |
| 20090058403 | Magnetic encoder - A magnetic encoder constituting rotation detector in combination with a magnetic sensor, comprising a circular multipolar magnet and a metal reinforcing ring to which the circular multipolar magnet is fixed is disclosed. | 03-05-2009 |
| 20090058011 | Sealing device - A sealing device formed to seal between a fixed side member and a rotating side member, comprising a slinger having a fitting cylindrical part fitted to the rotating side member and a flange part formed at one end part of the fitting cylindrical part positioned on the outer side of a sealed portion so as to be extended in the radial direction. A core comprises at least a fitting cylindrical part fitted to the fixed side member. The sealing device is characterized in that one end part of the fitting cylindrical part positioned on the outer side of the sealed portion is projected outward more than the sealed portion side inner surface position of the flange part of the slinger and a part of a seal lip part is formed to be brought into elastically slidable contact with the extended end face of the slinger. | 03-05-2009 |
| 20090039561 | Production method of tone wheel - A newly developed method for manufacturing a tone wheel is disclosed, according to which a circular magnetic molded body made from a magnetic powder is enable to be combined with a metal reinforcing ring without deformation and partial breakage in the assembly process. | 02-12-2009 |
| 20090001672 | Gasket - A gasket interposed between facing surfaces of two members to be sealed for sealing a space between the surfaces, the gasket comprising a loop-like shape jointed gasket base plate formed by being jointed an inner periphery of one loop-like shape gasket member to an outer periphery of the other loop-like shape gasket member, the two loop-like shape gasket members having different spring constant respectively; and a bead portion formed along a circumferential direction of the loop-like shape jointed gasket base plate. The one of loop-like shape gasket members faces one surface of the two members and the other loop-like shape gasket member faces the other surface of the two members by the bead portion, when the gasket is disposed between the facing surfaces of the two members. | 01-01-2009 |
| 20080246232 | Gasket - A gasket commonly used for a plural kinds of objective members to be sealed, the objective members having the same outer shapes and differently figured plural bores to be sealed. The gasket comprises a metal base plate, a compound layer made of a synthetic resin or of a rubber material mixed with a fiber material, the compound layer being integrally laminated on at least one surface of the metal base plate, a plurality of openings commonly used for the differently figured bores, a plurality of bead structures of a chevron-type full-bead commonly used for the differently figured bores, the plurality of bead structures being provided around each of the opening, and a recessed groove portion formed along and opposite side to the bead structure, the recessed groove portion being formed with an auxiliary sealing portion at a crossing part or at a matching part of the recessed groove portion, into which a sealing material made of a rubber material or of a synthetic resin is to be filled, for commonly use of the gasket. | 10-09-2008 |
