公开(公告)号：US20180156114A1

公开(公告)日：2018-06-07

申请号：US15366668

申请日：2016-12-01

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Fabio Nonato de Paula

IPC: F02C7/06 ,  F16C19/54 ,  F16C33/44 ,  F16C33/62 ,  F16C33/32 ,  F02C3/04 ,  F02C7/36 ,  F04D29/053 ,  F04D29/056 ,  F01D25/28 ,  F01D25/00

CPC classification number: F16C33/32 ,  F01D25/16 ,  F04D29/059 ,  F05D2240/54 ,  F05D2250/232 ,  F05D2250/241 ,  F05D2250/314 ,  F16C19/163 ,  F16C19/542 ,  F16C19/547 ,  F16C19/548 ,  F16C33/44 ,  F16C33/62 ,  F16C2360/23

Abstract: Embodiments of bearings for turbine engines are provided herein. In some embodiments, a fan shaft assembly for a turbine engine may include a fan shaft; a stationary support; and at least one bearing disposed between the stationary support and fan shaft, the at least one bearing comprising: an inner raceway; an outer raceway; a row of a plurality of spherical roller bearings disposed between the inner raceway and outer raceway; and a cage disposed between the inner raceway and outer raceway.

公开(公告)号：US09951816B2

公开(公告)日：2018-04-24

申请号：US14436761

申请日：2013-10-16

Applicant: Daisuke Sato ,  Chikara Ohki

Inventor： Daisuke Sato ,  Chikara Ohki

IPC: F16C33/62 ,  C21D9/40 ,  C23C8/32 ,  C23C8/80 ,  C21D1/06 ,  C22C38/00 ,  C22C38/18 ,  F16C33/64 ,  C22C38/02 ,  C22C38/04 ,  F16C33/32 ,  F16C33/34 ,  C21D9/36 ,  C23F17/00 ,  C21D1/76 ,  F16C19/06 ,  F16C19/30 ,  F16C19/36

CPC classification number: F16C33/62 ,  C21D1/06 ,  C21D1/76 ,  C21D9/36 ,  C21D9/40 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/18 ,  C23C8/32 ,  C23C8/80 ,  C23F17/00 ,  F16C19/06 ,  F16C19/30 ,  F16C19/364 ,  F16C33/32 ,  F16C33/34 ,  F16C33/64 ,  F16C2202/04 ,  F16C2204/66 ,  F16C2204/70 ,  F16C2223/16 ,  F16C2240/60

Abstract: An outer ring, an inner ring, and a ball each serving as a bearing part is made of a steel containing 0.95 mass % or more and 1.10 mass % or less of carbon, 0.05 mass % or more and less than 0.3 mass % of silicon, 0.10 mass % or more and 0.50 mass % or less of manganese, and 1.30 mass % or more and 2.00 mass % or less of chromium, with the rest made up of iron and an impurity. A surface layer region defined as a region extending to a depth of not more than 20 μm from an outer ring raceway surface, an inner ring raceway surface, and a ball rolling surface, which are each a surface where the bearing part is in rolling contact with another part, has an average nitrogen concentration of 0.2 mass % or more and 0.7 mass % or less. Five or more carbides with a diameter of 0.5 μm or less are present per 100 μm2 in the surface layer region.

公开(公告)号：US09921389B2

公开(公告)日：2018-03-20

申请号：US15048059

申请日：2016-02-19

Applicant: MDPULSE CO., LTD.

Inventor： Jin Kuk Kim

IPC: G03B3/10 ,  G02B7/09 ,  F16C29/04 ,  F16C33/32 ,  F16C43/04 ,  G03B13/36

CPC classification number: G02B7/09 ,  F16C29/04 ,  F16C29/046 ,  F16C33/32 ,  F16C43/04 ,  F16C2370/20 ,  G02B7/08 ,  G03B3/10 ,  G03B13/36 ,  G03B2205/0053

Abstract: A camera module is provided, the camera module including a mover mounted with a lens, a stator movably supporting the mover to an optical axis direction of the lens, and a ball interposed between the mover and the stator, wherein a first rail is provided on the mover to allow a relative movement of the ball to the mover to the optical axis direction, and a second rail is provided on the stator opposite to the first rail to allow a relative movement of the ball to the stator to the optical axis direction, and wherein the ball linearly travels along the optical axis direction when the mover and the stator relatively move.

公开(公告)号：US09903346B2

公开(公告)日：2018-02-27

申请号：US14569925

申请日：2014-12-15

Applicant: SIEMENS AKTIENGESELLSCHAFT

Inventor： Rasmus Berg Frandsen

IPC: B32B15/00 ,  F03D11/00 ,  C23C30/00 ,  F16C33/32 ,  F16C33/62 ,  F16C33/30 ,  F03D80/70 ,  F16N15/00

CPC classification number: F03D15/00 ,  C23C30/00 ,  F03D80/70 ,  F05B2230/31 ,  F05B2260/98 ,  F05B2280/10 ,  F05B2280/50 ,  F16C33/30 ,  F16C33/32 ,  F16C33/34 ,  F16C33/62 ,  F16C2240/60 ,  F16C2300/14 ,  F16C2360/31 ,  F16N15/00 ,  Y02E10/722 ,  Y02P70/523 ,  Y10T428/12937 ,  Y10T428/12986 ,  Y10T428/265 ,  Y10T428/31678

Abstract: A component with a coating, wherein the component is a part of a wind turbine, the component is in contact with a lubricant and the lubricant comprises atomic hydrogen, is provided. The coating at least partly covers a surface of the component. The coating reduces diffusion of the atomic hydrogen into the component by a means of inducing a recombination of the atomic hydrogen to hydrogen gas. A method of reducing diffusion of atomic hydrogen into a component of a wind turbine by using such a coating is also provided.

公开(公告)号：US20170363148A1

公开(公告)日：2017-12-21

申请号：US15510362

申请日：2015-09-11

Applicant: NSK LTD.

Inventor： Norihito AKANUMA ,  Hiroshi ARAKI

IPC: F16C43/06 ,  F16C19/02 ,  F16C33/32 ,  F16C33/38

CPC classification number: F16C43/065 ,  B23P21/00 ,  B25J13/00 ,  F16C19/02 ,  F16C19/06 ,  F16C33/32 ,  F16C33/38 ,  F16C43/06

Abstract: A ball bearing assembly device includes: an inner and outer ring holding unit which holds an outer ring and inner ring in a state where an outer ring raceway surface and inner ring raceway surface are eccentric to each other on a same plane so as to form a gap space; a stocker; a robot arm; a ball holding mechanism which is disposed at a tip of the robot arm; and a control unit. The control unit controls the ball holding mechanism to hold any ball from the stocker, controls the robot art to transport the held ball to a ball insertion position in the gap space corresponding to a kind of ball bearing, and inserts the held ball into the gap space, which are repeated by the number of balls of the ball bearing.

公开(公告)号：US09822040B1

公开(公告)日：2017-11-21

申请号：US12287161

申请日：2008-10-06

Applicant: Curtis A. Martin ,  James A. Zaykoski ,  Inna G. Talmy

Inventor： Curtis A. Martin ,  James A. Zaykoski ,  Inna G. Talmy

IPC: C04B35/10 ,  C04B35/58

CPC classification number: C04B35/5805 ,  A61L27/427 ,  B32B3/16 ,  B32B27/18 ,  B32B2264/101 ,  B32B2264/105 ,  B32B2307/558 ,  B32B2571/02 ,  C04B41/009 ,  C04B41/48 ,  C04B41/4842 ,  C04B41/5001 ,  C04B41/5022 ,  C04B41/52 ,  C04B41/83 ,  C04B41/85 ,  C04B41/86 ,  C04B41/89 ,  C04B2111/00353 ,  C04B2111/00836 ,  F16C33/32 ,  F16C33/6696 ,  F16C2206/60 ,  F41H5/0414 ,  Y10T428/249953 ,  C04B35/00 ,  C04B38/00 ,  C04B35/591 ,  C04B41/4523 ,  C04B41/4572 ,  C04B41/4574 ,  C04B41/51

Abstract: Inventive manufacture of CrB2—Al2O3 composites is based on pressureless sintering. According to typical inventive practice, CrB2 powder and Al2O3 powder are mixed together in selected volumetric proportions so that the volume of the CrB2 does not exceed 50% of the overall volume of the CrB2—Al2O3 mixture. The CrB2—Al2O3 mixture is shaped into a green body. The green body is pressureless sintered in a non-oxidizing atmosphere at a firing temperature in the approximate range between 1600° C. and 2050° C. The present invention succeeds in preparing, via pressureless sintering, a proportionality-associated range of compositions in the CrB2—Al2O3 system, which is a potentially “advanced” ceramic system. A typical inventively fabricated CrB2—Al2O3 composite is inventively configured in a complex shape, and has “advanced” material (e.g., mechanical) properties that are favorable for a contemplated application. Inventive manufacture of ceramic-ceramic composites is thus dually attributed, and uncommonly so, with complex shape-ability and advanced capability.

公开(公告)号：US20170304926A1

公开(公告)日：2017-10-26

申请号：US15496606

申请日：2017-04-25

Applicant: The Board of Regents of The University of Texas System

Inventor： Raymond C. Zowarka ,  Ben Rech ,  Joe Koo ,  Jon Hahne ,  David N. Prater ,  Charles E. Penney ,  Bryan Bunkowski ,  Siddharth Pratap

IPC: B23K11/24 ,  H02K5/16 ,  H02K5/14 ,  B23K11/02 ,  F16C19/18 ,  B23K11/00 ,  F16C27/04 ,  H02K31/02 ,  F16C33/32 ,  B23K101/28

CPC classification number: B23K11/241 ,  B23K11/002 ,  B23K11/02 ,  B23K31/02 ,  B23K31/027 ,  B23K2101/06 ,  B23K2101/28 ,  B23K2101/36 ,  B23K2103/04 ,  F16C19/184 ,  F16C19/543 ,  F16C27/04 ,  F16C33/32 ,  F16C33/62 ,  F16C2206/40 ,  F16C2380/26 ,  H02K5/14 ,  H02K5/165 ,  H02K31/02

Abstract: Described herein are methods and system for welding, for example, girders. The method may include activating a homopolar generator. The method may include applying a force to two metal girders at a desired coupling joint. The method may include generating an electrical pulse using the homopolar generator and conducting the electrical pulse to the desired coupling joint to increase a temperature of the girders. The method may include forming a weld at the desired coupling joint attaching the two metal girders at the desired coupling joint. In some embodiments, the homopolar generator may include a radial bearing rotor including a rotatable shaft and a bearing assembly. The bearing assembly may include nonmagnetic bearings. The homopolar generator may include a field coil. The homopolar generator may include a brush actuation mechanism which when activated engages a plurality of brush devices to the radial bearing rotor.

公开(公告)号：US09732394B2

公开(公告)日：2017-08-15

申请号：US13474407

申请日：2012-05-17

Applicant: Herbert A. Chin ,  William P. Ogden ,  David A. Haluck ,  Sean McCutchan ,  Ronald F. Spitzer ,  Allen V. Keller

Inventor： Herbert A. Chin ,  William P. Ogden ,  David A. Haluck ,  Sean McCutchan ,  Ronald F. Spitzer ,  Allen V. Keller

IPC: C21D7/06 ,  C23C8/26 ,  C23C8/36 ,  C23C8/50 ,  C23C8/02 ,  C23C8/80 ,  C21D1/76 ,  C21D9/36 ,  C21D9/40 ,  B24B11/02 ,  B24B19/06 ,  B24B31/02 ,  B24B1/00 ,  F16C33/32

CPC classification number: C21D7/06 ,  B24B1/00 ,  B24B11/02 ,  B24B19/06 ,  B24B31/02 ,  C21D1/76 ,  C21D9/36 ,  C21D9/40 ,  C23C8/02 ,  C23C8/26 ,  C23C8/36 ,  C23C8/50 ,  C23C8/80 ,  F16C33/32 ,  F16C2223/02 ,  F16C2223/10 ,  F16C2240/18 ,  F16C2360/23 ,  Y02P10/212 ,  Y10T29/47

Abstract: A method of treating bearing rolling elements or bearing rings after a hardening and temper heat treatment is disclosed. The method may include treating the bearing rolling elements in a tumbling treatment and then in a duplex hardening treatment. The method may include treating the bearing rings in a peening treatment and then in a duplex hardening treatment. The duplex hardening treatment may also include at least one sequential process segment consisting of subjecting the bearing rolling element & rings to a nitriding process to increase the surface hardness and compressive residual stress. The combined two-step process produces a deep surface/sub-surface residual stress greater than the depth of the maximum operating von-Mises shear stress along with an ultra-hard surface with high magnitude of compressive residual stress. In so doing, the bearing ring and rolling elements will have significantly enhanced rolling contact fatigue resistance and resistance to surface imperfections and debris.

公开(公告)号：US20170205601A1

公开(公告)日：2017-07-20

申请号：US15048059

申请日：2016-02-19

Applicant: MDPULSE CO., LTD.

Inventor： Jin Kuk KIM

IPC: G02B7/09 ,  F16C43/04 ,  F16C33/32 ,  G03B13/36 ,  F16C29/04

CPC classification number: G02B7/09 ,  F16C29/04 ,  F16C29/046 ,  F16C33/32 ,  F16C43/04 ,  F16C2370/20 ,  G02B7/08 ,  G03B3/10 ,  G03B13/36 ,  G03B2205/0053

Abstract: A camera module is provided, the camera module including a mover mounted with a lens, a stator movably supporting the mover to an optical axis direction of the lens, and a ball interposed between the mover and the stator, wherein a first rail is provided on the mover to allow a relative movement of the ball to the mover to the optical axis direction, and a second rail is provided on the stator opposite to the first rail to allow a relative movement of the ball to the stator to the optical axis direction, and wherein the ball linearly travels along the optical axis direction when the mover and the stator relatively move.

公开(公告)号：US09663407B2

公开(公告)日：2017-05-30

申请号：US14896775

申请日：2014-06-11

Applicant: KABUSHIKI KAISHA TOSHIBA ,  TOSHIBA MATERIALS CO., LTD.

Inventor： Haruhiko Yamaguti

IPC: C04B35/587 ,  C04B35/593 ,  F16C33/32

CPC classification number: C04B35/593 ,  C04B35/5935 ,  C04B2235/3217 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3232 ,  C04B2235/3244 ,  C04B2235/3826 ,  C04B2235/3839 ,  C04B2235/3865 ,  C04B2235/3878 ,  C04B2235/3882 ,  C04B2235/3895 ,  C04B2235/5445 ,  C04B2235/549 ,  C04B2235/608 ,  C04B2235/767 ,  C04B2235/77 ,  C04B2235/85 ,  C04B2235/96 ,  C04B2235/963 ,  F16C33/32 ,  F16C2206/60

Abstract: The present invention provides a silicon nitride wear resistant member comprising a silicon nitride sintered compact containing β-Si3N4 crystal grains as a main component, 2 to 4% by mass of a rare earth element in terms of oxide, 2 to 6% by mass of Al in terms of oxide, and 0.1 to 5% by mass of Hf in terms of oxide, wherein the silicon nitride sintered compact has rare earth-Hf—O compound crystals; in an arbitrary section, an area ratio of the rare earth-Hf—O compound crystals in a grain boundary phase per unit area of 30 μm×30 μm is 5 to 50%; and variation of the area ratios of the rare earth-Hf—O compound crystals between the unit areas is 10% or less. Due to above structure, there can be provided a wear resistant member comprising the silicon nitride sintered compact having an excellent wear resistance and processability.