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公开(公告)号：US20210262554A1
公开(公告)日：2021-08-26
申请号：US17191808
申请日：2021-03-04
摘要： A cam follower is provided. The cam follower includes a polycrystalline diamond element, including an engagement surface. The engagement surface of the polycrystalline diamond element is positioned on the cam follower for sliding engagement with an opposing engagement surface of a cam. The cam includes at least some of a diamond reactive material.
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公开(公告)号：US11035407B2
公开(公告)日：2021-06-15
申请号：US16425758
申请日：2019-05-29
摘要： An apparatus is provided that includes a diamond bearing surface positioned in sliding engagement with an opposing bearing surface of a diamond reactive material. The opposing bearing surface is hardened via a material treatment.
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公开(公告)号：US11242891B2
公开(公告)日：2022-02-08
申请号：US16926627
申请日：2020-07-10
申请人： David P. Miess , Gregory Prevost , Michael V. Williams , Edward C. Spatz , Michael R. Reese , William W. King
发明人： David P. Miess , Gregory Prevost , Michael V. Williams , Edward C. Spatz , Michael R. Reese , William W. King
IPC分类号： F16C17/02
摘要： A radial bearing assembly is provided. The radial bearing assembly includes polycrystalline diamond elements, each having an engagement surface in sliding engagement with an opposing engagement surface. The opposing engagement surface includes a diamond reactive material. The radial bearing assembly may be deployed in a variety of components and applications, including in rotor and stator assemblies. Also provided are methods of use of the radial bearing assembly, as well as methods of designing the radial bearing assembly.
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公开(公告)号：US11499619B2
公开(公告)日：2022-11-15
申请号：US17191808
申请日：2021-03-04
IPC分类号： F16H25/04 , F16H53/06 , F01L1/04 , C23C16/22 , B23P5/00 , C23C16/27 , F16H57/04 , F01L5/24 , F16H25/14
摘要： A cam follower is provided. The cam follower includes a polycrystalline diamond element, including an engagement surface. The engagement surface of the polycrystalline diamond element is positioned on the cam follower for sliding engagement with an opposing engagement surface of a cam. The cam includes at least some of a diamond reactive material.
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公开(公告)号：US20210131486A1
公开(公告)日：2021-05-06
申请号：US16926627
申请日：2020-07-10
申请人： David P. Miess , Gregory Prevost , Michael V. Williams , Edward C. Spatz , Michael R. Reese , William W. King
发明人： David P. Miess , Gregory Prevost , Michael V. Williams , Edward C. Spatz , Michael R. Reese , William W. King
IPC分类号： F16C17/02
摘要： A radial bearing assembly is provided. The radial bearing assembly includes polycrystalline diamond elements, each having an engagement surface in sliding engagement with an opposing engagement surface. The opposing engagement surface includes a diamond reactive material. The radial bearing assembly may be deployed in a variety of components and applications, including in rotor and stator assemblies. Also provided are methods of use of the radial bearing assembly, as well as methods of designing the radial bearing assembly.
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公开(公告)号：US10968991B2
公开(公告)日：2021-04-06
申请号：US16589303
申请日：2019-10-01
IPC分类号： F16H25/24 , F16H53/06 , F01L1/04 , C23C16/22 , B23P5/00 , F16H25/14 , C23C16/27 , F16H57/04 , F01L5/24
摘要： A cam follower is provided. The cam follower includes a polycrystalline diamond element, including an engagement surface. The engagement surface of the polycrystalline diamond element is positioned on the cam follower for sliding engagement with an opposing engagement surface of a cam. The cam includes at least some of a diamond reactive material.
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公开(公告)号：US10465775B1
公开(公告)日：2019-11-05
申请号：US16049588
申请日：2018-07-30
摘要： A cam follower is provided. The cam follower includes a polycrystalline diamond element, including an engagement surface. The engagement surface of the polycrystalline diamond element is positioned on the cam follower for sliding engagement with an opposing engagement surface of a cam. The cam includes at least some of a diamond reactive material.
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公开(公告)号：US11187040B2
公开(公告)日：2021-11-30
申请号：US16561335
申请日：2019-09-05
申请人： Gregory Prevost , Michael Williams , Edward C. Spatz , Michael R. Reese , William W. King , David P. Miess
发明人： Gregory Prevost , Michael Williams , Edward C. Spatz , Michael R. Reese , William W. King , David P. Miess
IPC分类号： E21B4/00 , E21B10/573
摘要： A downhole tool for use in a downhole drill string is provided. The downhole tool includes a rotor movably coupled within a stator, and a drive shaft movably coupled within a bearing housing. The drive shaft has a first end coupled with the rotor and a second end coupled with a drill bit. Bearing assemblies interfaces engagement between the drive shaft and the bearing housing, including polycrystalline diamond elements, each with an engagement surface, and an opposing engagement surface of a non-superhard metal.
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公开(公告)号：USD877780S1
公开(公告)日：2020-03-10
申请号：US29616776
申请日：2017-09-08
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公开(公告)号：USD875146S1
公开(公告)日：2020-02-11
申请号：US29640193
申请日：2018-03-12
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