公开(公告)号：US20240093684A1

公开(公告)日：2024-03-21

申请号：US18509959

申请日：2023-11-15

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  MYUNG HWA IND. CO., LTD.

Inventor： Hak Soo Kim ,  Dong Sub Song ,  Jung Beom Koo

IPC: F04C2/08 ,  B22F1/00 ,  B22F3/16

CPC classification number: F04C2/082 ,  B22F1/09 ,  B22F3/16 ,  B22F2201/013 ,  B22F2201/02 ,  B22F2301/10 ,  B22F2301/35 ,  F04C2230/22 ,  F04C2240/20

Abstract: Disclosed are an outer ring for an oil pump having an increased number and size of open pores in a surface of a molded article and a method for manufacturing the outer ring.

公开(公告)号：US11911826B2

公开(公告)日：2024-02-27

申请号：US17200475

申请日：2021-03-12

Applicant: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING

Inventor： Gang Chen ,  Mingli Qin ,  Qiying Tao ,  Xuanhui Qu

IPC: B22F9/04 ,  B33Y70/00 ,  B01J2/16 ,  B22F1/052

CPC classification number: B22F9/04 ,  B01J2/16 ,  B22F1/052 ,  B33Y70/00 ,  B22F2009/044 ,  B22F2201/02 ,  B22F2201/11 ,  B22F2202/15 ,  B22F2301/205

Abstract: A method of preparation of titanium and titanium alloy powder for 3D printing is based on a fluidized bed jet milling technique. Hydride-dehydrite titanium powder and titanium alloy powder are used as main raw material powder, jet milling and shaping are carried out in shielding atmosphere of nitrogen or argon, and finally high-performance titanium and titanium alloy powder meeting the requirements of 3D printing process is obtained. The titanium and titanium alloy powder prepared using this method has a narrow particle size distribution, approximately spherical shape, and controllable oxygen content.

公开(公告)号：US11854725B2

公开(公告)日：2023-12-26

申请号：US16189725

申请日：2018-11-13

Applicant: TDK CORPORATION

Inventor： Tomofumi Kuroda ,  Yu Sakurai ,  Tomohisa Mitose

IPC: H01F1/147 ,  C22C38/02 ,  H01F41/02 ,  H01F3/08 ,  H01F1/24 ,  C22C38/00 ,  C22C38/34 ,  C22C33/02 ,  B22F1/16 ,  B22F1/065 ,  B22F1/142 ,  B22F1/148 ,  H01F1/153

CPC classification number: H01F1/14766 ,  B22F1/065 ,  B22F1/142 ,  B22F1/148 ,  B22F1/16 ,  C22C33/02 ,  C22C38/002 ,  C22C38/02 ,  C22C38/34 ,  H01F1/24 ,  H01F3/08 ,  H01F41/0246 ,  H01F1/147 ,  H01F1/153 ,  B22F2999/00 ,  B22F1/16 ,  B22F3/10 ,  B22F2201/02 ,  B22F1/148 ,  B22F2999/00 ,  B22F1/16 ,  B22F1/065 ,  C22C33/0271 ,  C22C2202/02 ,  B22F1/148

Abstract: A method for producing soft magnetic metal powder includes: a raw material powder preparing step of preparing metal raw material powder having metal raw material particles including iron, silicon, and boron; a mixture step of mixing the metal raw material powder and a carbon source substance and obtaining mixed powder; and a heat treatment step of performing heat treatment on the mixed powder in a non-oxidizing atmosphere containing nitrogen at a heat treatment temperature of 1,250° C. or higher and making the metal raw material particles spherical.

公开(公告)号：US11852139B2

公开(公告)日：2023-12-26

申请号：US17884646

申请日：2022-08-10

Applicant: HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  MYUNG HWA IND. CO., LTD.

Inventor： Hak Soo Kim ,  Dong Sub Song ,  Jung Beom Koo

IPC: F04C2/08 ,  B22F3/16 ,  B22F1/00

CPC classification number: F04C2/082 ,  B22F1/09 ,  B22F3/16 ,  B22F2201/013 ,  B22F2201/02 ,  B22F2301/10 ,  B22F2301/35 ,  F04C2230/22 ,  F04C2240/20

Abstract: Disclosed are an outer ring for an oil pump having an increased number and size of open pores in a surface of a molded article and a method for manufacturing the outer ring.

公开(公告)号：US11719138B2

公开(公告)日：2023-08-08

申请号：US17922613

申请日：2021-04-27

Applicant: TPR Co., Ltd.

Inventor： Fumiya Ito ,  Shohtaroh Hara

IPC: F01L3/08 ,  B22F3/26 ,  B22F5/10 ,  B22F7/00 ,  B22F3/16 ,  B22F3/24

CPC classification number: F01L3/08 ,  B22F3/16 ,  B22F3/26 ,  B22F5/106 ,  B22F7/002 ,  B22F2003/247 ,  B22F2201/02 ,  B22F2201/20 ,  B22F2301/10 ,  B22F2301/35 ,  B22F2302/40 ,  B22F2998/10 ,  F01L2301/00

Abstract: The present invention addresses the problem of providing a sintered alloy valve guide capable of inhibiting valve adhesion even in a high-temperature environment. The problem can be solved by a sintered alloy valve guide impregnated with a lubricating oil including pores that are sealed on the valve guide outer circumferential surface. More particularly, the problem is solved by the sealing step of performing a sealing treatment of pores on the outer circumferential surface of a sintered body impregnated with a lubricating oil.

公开(公告)号：US11717887B2

公开(公告)日：2023-08-08

申请号：US16924872

申请日：2020-07-09

Applicant: Desktop Metal, Inc.

Inventor： Emanuel M. Sachs ,  Paul A. Hoisington ,  Richard Remo Fontana ,  Jamison Go ,  Joseph Johnson ,  George Hudelson ,  Cassia Lockwood ,  Michael Goldblatt

IPC: B22F3/10 ,  B22F3/00 ,  B33Y10/00 ,  B33Y30/00

CPC classification number: B22F3/1007 ,  B22F3/003 ,  B22F3/1021 ,  B22F2201/02 ,  B22F2201/50 ,  B33Y10/00 ,  B33Y30/00

Abstract: A method is provided for printing a three-dimensional object. The method comprises, depositing a layer of metal powder onto a powder bed of a three-dimensional printer. A liquid is heated to generate a vapor. The liquid is removed from the vapor to dry the vapor by heating the vapor above a condensation temperature of the liquid. The dry vapor is deposited onto the powder bed of the three-dimensional printer.

公开(公告)号：US11686226B2

公开(公告)日：2023-06-27

申请号：US17922613

申请日：2021-04-27

Applicant: TPR Co., Ltd.

Inventor： Fumiya Ito ,  Shohtaroh Hara

IPC: F01L3/08 ,  B22F3/26 ,  B22F5/10 ,  B22F7/00 ,  B22F3/16 ,  B22F3/24

CPC classification number: F01L3/08 ,  B22F3/16 ,  B22F3/26 ,  B22F5/106 ,  B22F7/002 ,  B22F2003/247 ,  B22F2201/02 ,  B22F2201/20 ,  B22F2301/10 ,  B22F2301/35 ,  B22F2302/40 ,  B22F2998/10 ,  F01L2301/00

Abstract: The present invention addresses the problem of providing a sintered alloy valve guide capable of inhibiting valve adhesion even in a high-temperature environment. The problem can be solved by a sintered alloy valve guide impregnated with a lubricating oil including pores that are sealed on the valve guide outer circumferential surface. More particularly, the problem is solved by the sealing step of performing a sealing treatment of pores on the outer circumferential surface of a sintered body impregnated with a lubricating oil.

公开(公告)号：US11666975B2

公开(公告)日：2023-06-06

申请号：US17109800

申请日：2020-12-02

Applicant: XEROX CORPORATION

Inventor： Varun Sambhy ,  George Shannon ,  Santokh S. Badesha

IPC: B22F12/70 ,  B33Y30/00 ,  B33Y10/00 ,  B22D23/00 ,  B22F10/22 ,  B22F12/53 ,  B33Y40/00

CPC classification number: B22F12/70 ,  B22D23/003 ,  B22F10/22 ,  B22F12/53 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B22F2201/02

Abstract: A three-dimensional (3D) printer includes an ejector having a nozzle. The 3D printer also includes a heating element configured to heat a solid metal in the ejector, thereby causing the solid metal to change to a liquid metal within the ejector. The 3D printer also includes a coil wrapped at least partially around the ejector. The 3D printer also includes a power source configured to supply one or more pulses of power to the coil, which cause one or more drops of the liquid metal to be jetted out of the nozzle. The 3D printer also includes a substrate configured to support the one or more drops as the one or more drops solidify to form a 3D object. The 3D printer also includes a gas source configured to cause an oxygen concentration to be less than about 5% proximate to the one or more drops, the 3D object, or both.

公开(公告)号：US10040123B2

公开(公告)日：2018-08-07

申请号：US14271834

申请日：2014-05-07

Applicant: Kennametal India Limited

Inventor： Raghavan Rengarajan ,  Gopalrao Sivaraman ,  Ramesh Sathyanarayan Rao ,  Alam Rukhsar ,  Jagannath Vaishali

IPC: B22F9/04 ,  B02C17/18 ,  B02C19/00 ,  B22F3/12 ,  B02C23/06 ,  C22C1/05 ,  C22C29/08

CPC classification number: B22F9/04 ,  B02C17/18 ,  B02C17/186 ,  B02C19/0056 ,  B02C23/06 ,  B22F3/12 ,  B22F2009/043 ,  B22F2999/00 ,  C22C1/051 ,  C22C29/08 ,  B22F2201/04 ,  B22F2201/02

Abstract: In one aspect, methods of milling carbide are described herein. A method of milling carbide comprises placing a particulate composition comprising carbide in a vessel containing milling media and placing an additive in the vessel, the additive undergoing evaporation or sublimation to provide a non-oxidative atmosphere in the vessel. The carbide particles are comminuted with the milling media in the non-oxidative atmosphere.

公开(公告)号：US10011900B2

公开(公告)日：2018-07-03

申请号：US15178297

申请日：2016-06-09

Applicant: United Technologies Corporation

Inventor： Ying She ,  James T. Beals

IPC: C23C16/02 ,  C23C16/24 ,  C23C16/44 ,  C23C16/442 ,  H04M3/22 ,  H04M3/38 ,  H04M3/42 ,  B22F1/02

CPC classification number: C23C16/0209 ,  B22F1/02 ,  B22F2998/10 ,  B22F2999/00 ,  C23C16/24 ,  C23C16/4417 ,  C23C16/442 ,  H04M3/2281 ,  H04M3/382 ,  H04M3/385 ,  H04M3/42221 ,  Y02P10/295 ,  B22F1/0085 ,  B22F2201/02

Abstract: A method of coating metallic powder particles includes disposing an amount of metallic powder particles in a fluidizing reactor and removing moisture adhered to the powder particles within the reactor with a working gas at an elevated temperature for a predetermined time. The method further includes coating the powder particles in the reactor with silicon present within the precursor gas at an elevated temperature for a predetermined time and purging the precursor gas from the reactor using the working gas.