Patent application number | Description | Published |
20100096174 | FILTER CIRCUIT ELEMENT AND ELECTRONIC CIRCUIT DEVICE - A plurality of vias is disposed side by side on a multilayer board. A first via which is one of the vias disposed at one outer portion is electrically connected to a first outgoing line provided on the multilayer board. A second via at the other outer portion is electrically connected to a second outgoing line provided on the multilayer board. A plurality of the vias is connected to a first fixed potential layer (a ground layer, for example) of the multilayer board. At least one second fixed potential layer is provided, with a plurality of the vias through a clearance and having the same potential as that of the first fixed potential layer, as an inner layer of the multilayer board between the first and second outgoing lines and the fixed potential layer. Therefore, a BPF whose rate of occupied area is low is formed on the multilayer board without additional production processes. | 04-22-2010 |
20100142870 | JOURNAL BEARING - A journal bearing which can be constructed without leading to decrease in rigidity and increase in size, in which lubrication oil can be supplied to the bearing surfaces of the pads with certainty. The journal bearing | 06-10-2010 |
20100151252 | PROCESS FOR PRODUCING LIQUID CRYSTAL POLYMER LAMINATE - To provide a process which is capable of producing, with good productivity, a liquid crystal polymer laminate having a uniformly aligned liquid crystal polymer and being excellent in transparency and which enables to enlarge the area. | 06-17-2010 |
20100164179 | SEAL STRUCTURE - A seal structure that achieves a thick abradable film, thereby improving sealing performance, is provided. A seal structure is provided with at least one fin that projects in a ring-shape from a circumferential surface of a rotating shaft and that is provided along an axial direction and a seal member having a ring-shaped sealing surface opposed to the fin, and on which an abradable layer is formed by thermally spraying abradable material onto the sealing surface, the seal structure is provided with tapered portions inclined in a radial direction at end portions of the sealing surface in the axial direction. | 07-01-2010 |
20100177999 | ROTATION SHAFT SUPPORTING STRUCTURE WITH JOURNAL BEARING AND ASSEMBLING METHOD OF THE BEARING - A rotation shaft supporting structure with which the radial clearance between the bearing surface of an upper tilting pad on which self weight of the rotation shaft does not exert and rotating surface of the journal of the rotation shaft can be adjusted so that a high pressure oil film is formed in the clearance and carryover of lubrication oil from an upstream pad to its adjacent downstream pad is prevented. | 07-15-2010 |
20100215299 | OILING NOZZLE FOR THRUST BEARING - Provided is an oiling nozzle for a thrust bearing, capable of improving the following capability of pads, and achieving a higher bearing pressure of the thrust bearing. An oiling nozzle which is for use in a thrust bearing and is respectively arranged between pads disposed in positions facing the thrust surface of a thrust collar that protrudes radially outward from a rotor shaft, along the circumferential direction, wherein the oiling nozzle comprises: a cylindrical stem; and a rectangular-shaped mainframe whose heightwise middle portions of opposite lateral sides are provided with convex parts each presenting a semicircular disk shape in a plane view, to be fitted into concave parts that are formed in lateral sides of the pads, and whose top portion located on the side opposite to the stem is formed with a plurality of nozzle holes for ejecting lubricating oil that has been supplied from the bottom of the stem toward a space between the thrust collar and the pads. | 08-26-2010 |
20100220944 | JOURNAL BEARING - To reduce the amount of lubricating oil released (supplied) between the outer circumferential surface of a rotation shaft and the inner circumferential surfaces of pads, so as to reduce the churning loss, and to reduce the bearing loss. The journal bearing comprises: a plurality of pads arranged radially inside a lower half-carrier ring at intervals, for receiving load from the rotation shaft; and a plurality of pad stops respectively arranged at the circumferentially opposite ends of the respective pads, for restraining circumferential movements of the respective pads, wherein, among these pad stops, the pad stops other than the pad stop located in the most forward position in the axial rotation direction of the rotation shaft have functions as oiling nozzles for releasing lubricating oil between the outer circumferential surface of the rotation shaft and the inner circumferential surfaces of the pads. | 09-02-2010 |
20100239204 | Bearing temperature monitoring device and bearing device provided with the monitoring device - A bearing temperature monitoring device and bearing device provided with the monitoring device composed so that occurrence of scratch on the rotation shaft supported by the bearing caused by a bearing temperature carrying member integrated in the bearing such that its top end surface faces the rotation shaft, are provided. The bearing device is provided with a bearing temperature detecting device which comprises a bearing temperature carrying member made of material larger in thermal conductivity than the bearing layer and shaped to have a protruded part to be inserted slidably into a through hole in the bearing layer and a base part to be received in a cylindrical space in the back metal, the base part serving to restrict protrusion of the protruded part into the through hole so that the top end surface thereof is level with the sliding surface of the bearing layer, a pushing member attached to the back metal to push the temperature carrying member so that the member move toward the back metal against the pushing force of the pushing member when bearing load exerts on the temperature carrying member, and a temperature sensor for detecting temperature of the temperature carrying member. | 09-23-2010 |
20100296938 | ROTOR OF ROTATING MACHINE AND METHOD OF MANUFACTURING THE ROTOR - A turbine rotor which is composed by connecting Ni-based alloy and heat resisting steel such as 12-Cr steel by welding to be able to ensure strength of welded parts and can be used under steam conditions of 700° C. class and method of manufacturing the rotor are also provided. The rotor of the rotating machine into which working fluid of 650° C. or higher is introduced, the rotor being composed of a plurality of members connected by welding such that material of each member is different in accordance with temperature of working fluid which flows contacting the members, wherein the first member(s) is formed from Ni-based alloy having mean linear expansion coefficient of 12.4×10 | 11-25-2010 |
20100310411 | Ni-BASED SUPERALLOY WITH EXCELLENT UNSUSCEPTIBILITY TO SEGREGATION - A subject for the invention is to diminish the occurrence of streak-type segregation in producing a material comprising a Ni-based superalloy. | 12-09-2010 |
20110014031 | SEAL MEMBER, STEAM TURBINE, AND METHOD OF AVOIDING RESONANCE - A first seal member | 01-20-2011 |
20110020117 | CASING STRUCTURE OF STEAM TURBINE - In a steam turbine according to a first embodiment, an outer casing | 01-27-2011 |
20110068539 | SEAL STRUCTURE FOR ROTARY MACHINE - A seal structure that is capable of actively controlling the actuation of a movable seal ring, enhancing sealing performance, and enhancing reliability, is provided. A seal structure ( | 03-24-2011 |
20110126945 | Ni-BASED ALLOY HIGH-CHROME STEEL STRUCTURE AND MANUFACTURING METHOD OF THE SAME - There are provided an Ni-based alloy high-chrome steel structure and its manufacturing method capable of joining Ni-based alloys and high-chrome steels by welding, and performing suitable heat treatment, thereby maintaining the strength in the joints. In a manufacturing method of a structure formed by joining together at least two first members formed from Ni-based alloys by welding, and joining a second member formed from high-chrome steels to a member where the first members have been joined together, the manufacturing method includes the steps: joining together the at least two first members formed from Ni-based alloys by welding; performing first-stage aging treatment on a welded joint between the first members, and then, joining the second member formed from high-chrome steels to the member where the first members have been joined together by welding; and then, performing second-stage aging treatment on the welded joint between the first members, and performing heat treatment after welding on a welded portion between the first members and the second member. | 06-02-2011 |
20110172336 | FLUOROCOPOLYMER COMPOSITION AND ITS PRODUCTION PROCESS - To provide a composition comprising a fluorocopolymer such as an ethylene/tetrafluoroethylene copolymer which can be produced at a relatively low temperature, and its production process. | 07-14-2011 |
20110178193 | PROCESS FOR PRODUCING ETHYLENE/TETRAFLUOROETHYLENE COPOLYMER POROUS MATERIAL, AND ETHYLENE/TETRAFLUOROETHYLENE COPOLYMER POROUS MATERIAL - To provide a method for easily producing an ethylene/tetrafluoroethylene copolymer porous material having excellent chemical resistance and filtration performance and has a high heat resistance, within a wide range of the porosity, and an ethylene/tetrafluoroethylene copolymer porous material obtained by such a process. | 07-21-2011 |
20110206525 | TURBINE ROTOR AND MANUFACTURING METHOD OF TURBINE ROTOR - There are provided a turbine rotor having suitable strength and toughness without causing soaring manufacturing costs and prolonged manufacturing time, and a manufacturing method of the turbine rotor. In a turbine rotor constructed by welding a rotor member for high temperature made of high Cr steel, and a rotor member for low temperature made of low Cr steel, the high temperature rotor member is formed from high Cr steel of which the nitrogen content is 0.02% or higher by mass %, and a filler material which welds the high temperature rotor member and the low temperature rotor member together is a 9% Cr-based filler material of which the nitrogen content is 0.025% or lower by mass %. | 08-25-2011 |
20110309585 | SHAFT SEAL DEVICE - A shaft seal device that seals between the outer peripheral surface of a rotating shaft and a stationary member that is provided on the outer peripheral side of the rotating shaft, provided with a thin-plate seal that has a plurality of thin plates that are arranged in the circumferential direction of the rotating shaft and an abradable seal that is arranged at a position differing with the thin-plate seal in the axial direction, and having a free-cutting material that is disposed at either one of the rotating shaft and the stationary member, and a seal fin that projects toward the rotating shaft or stationary member from the other of the rotating shaft and the stationary member. | 12-22-2011 |
20110316237 | SHAFT SEAL AND ROTARY MACHINE WITH SAME - A shaft seal that is constituted by annularly arranging a plurality of seal segments in the circumferential direction of a rotating shaft, in which each seal segment has a plurality of thin plates that are provided in a predetermined arrangement in the circumferential direction of the rotating shaft, side plates that sandwich the plurality of thin plates from both sides thereof in the axial direction, and retention rings that retain the base ends of the plurality of thin plates and the base ends of the side plates; the distal ends of the thin plates protrude farther toward the rotating shaft than the distal ends of the side plates, and the protrusion length of the distal ends of the thin plates in the vicinity of the end portions in the circumferential direction where adjacent seal segments are connected is set to be less than the protrusion length of the distal ends of the thin plates that are located at the middle of the seal segment in the circumferential direction. | 12-29-2011 |
20120108723 | FLUOROCOPOLYMER COMPOSITION AND ITS PRODUCTION PROCESS - To provide a composition comprising a fluorocopolymer such as an ETFE which can be produced at a relatively low temperature, and its production process. | 05-03-2012 |
20120128283 | BEARING DEVICE, BEARING UNIT, AND ROTARY MACHINE - A bearing device ( | 05-24-2012 |
20120211944 | SELF-ADJUSTING SEAL FOR ROTATING TURBOMACHINERY - A self-adjusting seal has a movable seal member fitted in a groove of a dummy ring along a rotor. The movable seal member is biased outwardly in a radial direction by a disc spring, and a gap between the movable seal member and the rotor is large during the start-up or shutdown of rotating turbomachinery. On the other hand, during a rated operation of the rotating turbomachinery, by a fluid having flown into the internal portion of the groove via a gap between a high pressure side end surface of the movable seal member and the groove, the movable seal member is pressed toward the rotor against a biasing force of the disc spring. | 08-23-2012 |
20120251307 | ROTOR OF ROTARY MACHINE AND ROTARY MACHINE | 10-04-2012 |
20120261884 | SHAFT SEAL DEVICE AND ROTARY MACHINE INCLUDING SHAFT SEAL DEVICE - There is provided a shaft seal device comprising a seal piece-laminated body ( | 10-18-2012 |
20130004310 | METHOD FOR FABRICATING SHAFT SEALING DEVICE AND JIG FOR FABRICATING SHAFT SEALING DEVICE, AND ROTARY MACHINE PROVIDED WITH SHAFT SEALING DEVICE - Provided is a method of fabricating a shaft sealing device, in which a plurality of thin plate pieces arranged in a circumferential direction of a rotation shaft are provided and base ends of the thin plate pieces are mutually connected, the method including a stacking step of stacking the plurality of thin plate pieces in one direction, a connecting step of mutually connecting the base ends of the plurality of stacked thin plate pieces to form a stacked body, and a first smoothing step of bringing one lateral end surface of two lateral end surfaces of the stacked body formed by each end portion in a width direction of the plurality of thin plate pieces in contact with a flat surface to smooth the other lateral end surface. | 01-03-2013 |
20130005879 | FLUORINATED COPOLYMER COMPOSITION AND PROCESS FOR ITS PRODUCTION - To provide a composition of a fluorinated copolymer containing repeating units derived from ethylene and TFE, which can be used for e.g. production of a thin film by coating and which can be produced at a relatively low temperature, and a process for producing such a fluorinated copolymer composition at a relatively low temperature. | 01-03-2013 |
20130017334 | COATING COMPOSITION AND PROCESS FOR ITS PRODUCTION, AND PROCESS FOR FORMING COATING FILM BY USING THE COMPOSITION - To provide a coating composition containing a fluorinated copolymer having repeating units derived from ethylene and tetrafluoroethylene, which can be formed into a coating film by coating and which can be produced at a relatively low temperature, and a process for its production, and a process for forming a coating film of the fluorinated copolymer by using this composition, which can be carried out at a relatively low temperature. A coating composition comprising microparticles of a fluorinated copolymer (ETFE) having repeating units derived from ethylene and repeating units derived from tetrafluoroethylene, and a solvent capable of dissolving ETFE at a temperature of not higher than the melting point of ETFE, wherein the microparticles of ETFE are microparticles precipitated from a solution having ETFE dissolved in the solvent, and are dispersed in the solvent. | 01-17-2013 |
20130053493 | METHOD FOR PRODUCING FLUORINATED COPOLYMER COMPOSITION, COATING COMPOSITION, ARTICLE HAVING COATING FILM, AND MOLDED PRODUCT - This invention relates to a method for producing a fluorinated copolymer composition, capable of uniformly mixing a fluorinated copolymer (A) having repeating units derived from ethylene and repeating units derived from tetrafluoroethylene, and a thermoplastic resin (B), at a relatively low temperature. The invention also relates to a method for producing a fluorinated copolymer composition comprising a fluorinated copolymer (A), a thermoplastic resin (B) which excludes the fluorinated copolymer (A), and a medium (C) capable of dissolving at least the fluorinated copolymer (A). The invention also relates to a coating composition capable of forming a coating film provided with characteristics of the fluorinated copolymer (A) and the thermoplastic resin (B), an article having such a coating film, and a molded product. | 02-28-2013 |
20130069316 | AXIAL SEAL STRUCTURE AND ROTATION MECHANISM PROVIDED WITH SAME - An axial seal structure includes a high-pressure-side regulating member ( | 03-21-2013 |
20130154195 | SHAFT SEAL MECHANISM AND ROTARY MACHINE PROVIDED WITH SAME - A shaft seal structure capable of preventing a seal body of the shaft seal structure of a rotation body from being held in an inclined posture even when the seal body is inclined is provided. It includes, an accommodation body ( | 06-20-2013 |
20130181412 | SHAFT SEALING APPARATUS AND ROTATING MACHINE EQUIPPED THEREWITH - Provided is a shaft sealing apparatus that is installed in an annular space between a rotor and a stator in a rotating machine and that divides the annular space into a low-pressure side region and a high-pressure side region in an axial direction of the rotor. The shaft sealing apparatus includes a seal body formed by stacking a plurality of thin seal pieces, which extend from the stator toward a radial inner side of the rotor, in a circumferential direction of the rotor, and lateral plates having a surface facing the axial direction and curved and extending in a circumferential direction of the annular space. The seal body is welded to the surfaces of the lateral plates which face the axial direction so that the seal body follows a curved shape of the lateral plates. | 07-18-2013 |
20130202810 | PROCESS FOR PRODUCING CHARGE RETENTION MEDIUM - To provide a process for producing a charge retention medium, with which a coating film (precursor of a charge retention medium) containing a fluorinated copolymer having repeating units based on tetrafluoroethylene and repeating units based on ethylene can easily be formed on the surface of a substrate, even in a case where the surface of the substrate has a complicated shape. | 08-08-2013 |
20130234397 | SHAFT SEALING APPARATUS - Provided is a shaft sealing apparatus, which includes a seal ring that is installed in an annular space between a rotor and a stator surrounding an outer circumference side of the rotor, that is formed in a divided structure from a movable seal ring and a stationary seal ring whose circumferential ends are adjacent to each other, and that is configured so that the movable seal ring is biased toward a radial outer side thereof by an elastic body, a seal body that is formed by stacking a plurality of thin seal pieces, which extend from the seal ring toward a radial inner side of the rotor, in a circumferential direction of the rotor, and a communicating part that causes the low-pressure side region and the high-pressure side region to communicate with each other. | 09-12-2013 |
20130259680 | SHAFT SEALING DEVICE, AND ROTARY MACHINE EQUIPPED THEREWITH - A shaft sealing device and a rotary machine equipped therewith are provided with a sealing body configured by stacking a plurality of thin sealing pieces; and a low-pressure-side side sealing plate in which a plate surface facing the low-pressure side is pressed against an inner wall surface of the housing facing the direction of the axis by means of the pressure of a fluid applied from a high-pressure side to the low-pressure side. A protrusion for blocking a downward flow toward the inside of the low-pressure-side side sealing plate in the radial direction along the low-pressure side of the sealing body is formed on the inside of the low-pressure-side side sealing plate in the radial direction, and a communication path for guiding the downward flow blocked by means of the protrusion to a low-pressure-side region is formed on the housing. | 10-03-2013 |
20130261248 | CHARGE RETENTION MEDIUM - To provide a charge retention medium having a surface potential at a practical level, although it is obtained from a composition containing a fluorinated copolymer having repeating units based on tetrafluoroethylene and repeating units based on ethylene. | 10-03-2013 |
20140241877 | SHAFT SEALING DEVICE AND ROTATING MACHINE COMPRISING SAME - A shaft sealing device is provided in an annular space between a rotor and a stator surrounding an outer periphery of the rotor, and divides the annular space in the direction of an axis of the rotor into a high-pressure region and a low-pressure region. The shaft sealing device includes a seal body obtained by stacking a plurality of thin plate sealing pieces in a circumferential direction of the rotor; and a high-pressure side plate that extends from the stator toward the radial inner side so as to run along the high-pressure side of the seal body, and is segmented into a plurality of portions in the circumferential direction, and includes a rigidity imparting member configured to impart rigidity in the direction of the axis to a portion of the surface of the high-pressure side plate that faces the high-pressure region. | 08-28-2014 |