公开(公告)号：US20110061940A1

公开(公告)日：2011-03-17

申请号：US12947934

申请日：2010-11-17

申请人： Aaron J. Dick ,  Chih Lin ,  Terry J. Koltermann ,  Anton F. Zahradnik ,  Dan E. Scott ,  Don Q. Nguyen ,  Eric Sullivan ,  Scott Shiqiang Shu ,  Craig Hodges Cooley ,  Timothy Nathan Sexton

发明人： Aaron J. Dick ,  Chih Lin ,  Terry J. Koltermann ,  Anton F. Zahradnik ,  Dan E. Scott ,  Don Q. Nguyen ,  Eric Sullivan ,  Scott Shiqiang Shu ,  Craig Hodges Cooley ,  Timothy Nathan Sexton

IPC分类号： E21B10/00

CPC分类号： E21B10/086 ,  F16C33/043 ,  F16C2352/00

摘要： A rock drilling bit having PDC radial bearings has journal and cone bearing surfaces with increased contact area to increase load support. The radius of curvature of the bearing pin journal and cone bearing surfaces are matched or conformed on the bearing pressure side. The conformal journal surfaces may be formed on the main journal bearing, the pilot pin radial bearing, or both surfaces. In addition, diamond inlays may be located on the bearing surfaces of the cone, the bearing pin, or both components.

摘要翻译： 具有PDC径向轴承的岩石钻头具有轴颈和锥形轴承表面，具有增加的接触面积以增加负载支撑。 轴承销轴颈和锥形轴承表面的曲率半径在轴承压力侧匹配或一致。 共形轴颈表面可以形成在主轴颈轴承，导向销径向轴承或两个表面上。 此外，金刚石嵌体可以位于锥体，支承销或两个部件的支承表面上。

公开(公告)号：US08028770B2

公开(公告)日：2011-10-04

申请号：US12947934

申请日：2010-11-17

申请人： Aaron J. Dick ,  Chih Lin ,  Terry J. Koltermann ,  Anton F. Zahradnik ,  Daniel E. Scott ,  Don Q. Nguyen ,  Eric Sullivan ,  Scott Shiqiang Shu ,  Craig Hodges Cooley ,  Timothy Nathan Sexton

发明人： Aaron J. Dick ,  Chih Lin ,  Terry J. Koltermann ,  Anton F. Zahradnik ,  Daniel E. Scott ,  Don Q. Nguyen ,  Eric Sullivan ,  Scott Shiqiang Shu ,  Craig Hodges Cooley ,  Timothy Nathan Sexton

IPC分类号： E21B47/01

CPC分类号： E21B10/086 ,  F16C33/043 ,  F16C2352/00

摘要： A rock drilling bit having PDC radial bearings has journal and cone bearing surfaces with increased contact area to increase load support. The radius of curvature of the bearing pin journal and cone bearing surfaces are matched or conformed on the bearing pressure side. The conformal journal surfaces may be formed on the main journal bearing, the pilot pin radial bearing, or both surfaces. In addition, diamond inlays may be located on the bearing surfaces of the cone, the bearing pin, or both components.

公开(公告)号：US07861805B2

公开(公告)日：2011-01-04

申请号：US12121296

申请日：2008-05-15

申请人： Aaron J. Dick ,  Chih Lin ,  Terry J. Kolterman ,  Anton F. Zahradnik ,  Dan E. Scott ,  Don Q. Nguyen ,  Eric Sullivan ,  Scott Shiqiang Shu ,  Craig Hodges Cooley ,  Timothy Nathan Sexton

发明人： Aaron J. Dick ,  Chih Lin ,  Terry J. Kolterman ,  Anton F. Zahradnik ,  Dan E. Scott ,  Don Q. Nguyen ,  Eric Sullivan ,  Scott Shiqiang Shu ,  Craig Hodges Cooley ,  Timothy Nathan Sexton

IPC分类号： E21B10/22

CPC分类号： E21B10/086 ,  F16C33/043 ,  F16C2352/00

摘要： A rock drilling bit having PDC radial bearings has journal and cone bearing surfaces with increased contact area to increase load support. The radius of curvature of the bearing pin journal and cone bearing surfaces are matched or conformed on the bearing pressure side. The conformal journal surfaces may be formed on the main journal bearing, the pilot pin radial bearing, or both surfaces. In addition, diamond inlays may be located on the bearing surfaces of the cone, the bearing pin, or both components.

摘要翻译： 具有PDC径向轴承的岩石钻头具有轴颈和锥形轴承表面，具有增加的接触面积以增加负载支撑。 轴承销轴颈和锥形轴承表面的曲率半径在轴承压力侧匹配或一致。 共形轴颈表面可以形成在主轴颈轴承，导向销径向轴承或两个表面上。 此外，金刚石嵌体可以位于锥体，支承销或两个部件的支承表面上。

公开(公告)号：US20090283332A1

公开(公告)日：2009-11-19

申请号：US12121296

申请日：2008-05-15

申请人： Aaron J. Dick ,  Chih Lin ,  Terry J. Kolterman ,  Anton F. Zahradnik ,  Dan E. Scott ,  Don Q. Nguyen ,  Eric Sullivan ,  Scott Shiqiang Shu ,  Craig Hodges Cooley ,  Timothy Nathan Sexton

发明人： Aaron J. Dick ,  Chih Lin ,  Terry J. Kolterman ,  Anton F. Zahradnik ,  Dan E. Scott ,  Don Q. Nguyen ,  Eric Sullivan ,  Scott Shiqiang Shu ,  Craig Hodges Cooley ,  Timothy Nathan Sexton

IPC分类号： E21B10/00

CPC分类号： E21B10/086 ,  F16C33/043 ,  F16C2352/00

摘要： A rock drilling bit having PDC radial bearings has journal and cone bearing surfaces with increased contact area to increase load support. The radius of curvature of the bearing pin journal and cone bearing surfaces are matched or conformed on the bearing pressure side. The conformal journal surfaces may be formed on the main journal bearing, the pilot pin radial bearing, or both surfaces. In addition, diamond inlays may be located on the bearing surfaces of the cone, the bearing pin, or both components.

摘要翻译： 具有PDC径向轴承的岩石钻头具有轴颈和锥形轴承表面，具有增加的接触面积以增加负载支撑。 轴承销轴颈和锥形轴承表面的曲率半径在轴承压力侧匹配或一致。 共形轴颈表面可以形成在主轴颈轴承，导向销径向轴承或两个表面上。 此外，金刚石嵌体可以位于锥体，支承销或两个部件的支承表面上。

公开(公告)号：US07387177B2

公开(公告)日：2008-06-17

申请号：US11582684

申请日：2006-10-18

申请人： Anton F. Zahradnik ,  Terry J. Koltermann ,  Don Q. Nguyen ,  Aaron J. Dick ,  Eric Sullivan ,  Scott Shiqiang Shu

发明人： Anton F. Zahradnik ,  Terry J. Koltermann ,  Don Q. Nguyen ,  Aaron J. Dick ,  Eric Sullivan ,  Scott Shiqiang Shu

IPC分类号： E21B10/22

CPC分类号： E21B10/22 ,  E21B10/25

摘要： An earth boring bit has a bearing pin with a sleeve mounted on it. The sleeve is fixed against rotation but able to float relative to the bearing pin. A cone fits over and forms a bearing surface with the sleeve. The sleeve and bearing pin are configured to have a clearance between them that has a forward portion that progressively decreases in a rearward direction. The clearance progressively decreases in a forward direction from the rearward end of the sleeve. The cone and the sleeve are able to tilt in unison with each other relative to the bearing pin when the bit is loaded.

摘要翻译： 地镗头具有安装在其上的套筒的轴承销。 套筒固定不能旋转，但能相对于轴承销浮动。 锥体装配并与套筒形成支承​​面。 套筒和支承销构造成在它们之间具有间隙，其具有在向后方向上逐渐减小的前部。 间隙从套筒的后端沿向前方向逐渐减小。 当钻头加载时，锥体和套筒能够相对于轴承销彼此一致倾斜。

公开(公告)号：US20080093128A1

公开(公告)日：2008-04-24

申请号：US11582684

申请日：2006-10-18

申请人： Anton F. Zahradnik ,  Terry J. Koltermann ,  Don Q. Nguyen ,  Aaron J. Dick ,  Eric Sullivan ,  Scott Shiqiang Shu

发明人： Anton F. Zahradnik ,  Terry J. Koltermann ,  Don Q. Nguyen ,  Aaron J. Dick ,  Eric Sullivan ,  Scott Shiqiang Shu

IPC分类号： E21B10/00

CPC分类号： E21B10/22 ,  E21B10/25

摘要： An earth boring bit has a bearing pin with a sleeve mounted on it. The sleeve is fixed against rotation but able to float relative to the bearing pin. A cone fits over and forms a bearing surface with the sleeve. The sleeve and bearing pin are configured to have a clearance between them that has a forward portion that progressively decreases in a rearward direction. The clearance progressively decreases in a forward direction from the rearward end of the sleeve. The cone and the sleeve are able to tilt in unison with each other relative to the bearing pin when the bit is loaded.

摘要翻译： 地镗头具有安装在其上的套筒的轴承销。 套筒固定不能旋转，但能相对于轴承销浮动。 锥体装配并与套筒形成支承​​面。 套筒和支承销构造成在它们之间具有间隙，其具有在向后方向上逐渐减小的前部。 间隙从套筒的后端沿向前方向逐渐减小。 当钻头加载时，锥体和套筒能够相对于轴承销彼此一致倾斜。

公开(公告)号：US20080245577A1

公开(公告)日：2008-10-09

申请号：US11784026

申请日：2007-04-05

申请人： Anton F. Zahradnik ,  Eric Sullivan ,  Aaron J. Dick ,  Donq Nguyen ,  Terry J. Koltermann ,  Scott Shiqiang Shu

发明人： Anton F. Zahradnik ,  Eric Sullivan ,  Aaron J. Dick ,  Donq Nguyen ,  Terry J. Koltermann ,  Scott Shiqiang Shu

IPC分类号： E21B10/16

CPC分类号： E21B10/25 ,  E21B10/22

摘要： A thrust washer located between the thrust surfaces of the head and the cone of a drill bit allows for radial rotation between the cone, thrust washer, and head during drilling operations. The thrust washer also accommodates axial rotation between the cone and the head. The mating thrust surfaces between the thrust washer and the head are contoured to allow the thrust washer to rotate axially with the cone, and provide increased bearing contact between the thrust washer and the cone.

摘要翻译： 位于头部的推力表面和钻头的锥体之间的止推垫圈允许在钻孔操作期间锥体，止推垫圈和头部之间的径向旋转。 止推垫圈也适应锥体和头部之间的轴向旋转。 止推垫圈和头部之间的配合推力面形状为允许止推垫圈与锥体轴向旋转，并提供止推垫圈和锥体之间增加的轴承接触。

公开(公告)号：US07975779B2

公开(公告)日：2011-07-12

申请号：US12238311

申请日：2008-09-25

申请人： Anton F. Zahradnik ,  Don Q. Nguyen ,  Eric Sullivan ,  Terry J. Koltermann ,  Aaron J. Dick ,  Scott S. Shu

发明人： Anton F. Zahradnik ,  Don Q. Nguyen ,  Eric Sullivan ,  Terry J. Koltermann ,  Aaron J. Dick ,  Scott S. Shu

IPC分类号： E21B10/08

CPC分类号： F16C43/02 ,  E21B10/20 ,  E21B10/22 ,  F16C17/04 ,  F16C2352/00

摘要： An apparatus for retaining a roller cone on a bearing pin of a drill bit body that includes a drill bit body; a bearing pin coupled to the drill bit body; a retention member coupled to the bearing pin; a roller cone coupled to the retention member; and a torque transfer member coupled to the retention member and the roller cone adapted to selectively transfer torque between the retention member and the roller cone.

摘要翻译： 一种用于将滚子锥体保持在包括钻头体的钻头体的轴承销上的装置; 联接到所述钻头体的轴承销; 联接到所述轴承销的保持构件; 联接到所述保持构件的滚子锥; 以及联接到所述保持构件和所述滚子锥体的扭矩传递构件，其适于选择性地在所述保持构件和所述滚子锥体之间传递扭矩。

公开(公告)号：US20100071959A1

公开(公告)日：2010-03-25

申请号：US12238311

申请日：2008-09-25

申请人： Anton F. Zahradnik ,  Don Q. Nguyen ,  Eric Sullivan ,  Terry J. Koltermann ,  Aaron J. Dick ,  Scott S. Shu

发明人： Anton F. Zahradnik ,  Don Q. Nguyen ,  Eric Sullivan ,  Terry J. Koltermann ,  Aaron J. Dick ,  Scott S. Shu

IPC分类号： E21B10/20 ,  E21B10/22 ,  F16B21/18 ,  F16C43/04 ,  F16C17/00

CPC分类号： F16C43/02 ,  E21B10/20 ,  E21B10/22 ,  F16C17/04 ,  F16C2352/00

摘要： An apparatus and method for retaining a roller cone on a bearing pin of a drillbit body.

摘要翻译： 一种用于将滚子锥体保持在钻孔体的轴承销上的装置和方法。

公开(公告)号：US20090205873A1

公开(公告)日：2009-08-20

申请号：US12367787

申请日：2009-02-09

申请人： Aaron J. Dick ,  David A. Curry ,  Anton F. Zahradnik ,  Dan E. Scott ,  Terry J. Koltermann ,  Chih Lin ,  Brendan P. Kirwan

发明人： Aaron J. Dick ,  David A. Curry ,  Anton F. Zahradnik ,  Dan E. Scott ,  Terry J. Koltermann ,  Chih Lin ,  Brendan P. Kirwan

IPC分类号： E21B10/22

CPC分类号： E21B10/22

摘要： Downhole tool bearings are provided with diamond enhanced materials. The diamond enhanced materials comprise diamond grains in a matrix of tungsten or silicon carbide. A brazed diamond grit or diamond particles coated with a reactive braze may be utilized for bearing applications. Bearing rings formed at least in part with diamond enhanced material are installed on at least one of the bearing pin journal, the nose and the cone cavity. The bearing rings may be continuous rings or partial rings and attached to the journal pin or cone cavity. These may include thrust bearings, rollers, roller race, balls and ball races made of diamond enhanced material. These bearing surfaces also are formed at least in part with diamond enhanced material and attached to portions of the journal or cone bearing surfaces.

摘要翻译： 井下工具轴承配有钻石增强材料。 金刚石增强材料包括在钨或碳化硅的基体中的金刚石晶粒。 用反应性钎焊涂覆的钎焊金刚石砂粒或金刚石颗粒可用于轴承应用。 至少部分形成有金刚石增强材料的轴承环安装在轴承销轴颈，鼻部和锥体腔中的至少一个上。 轴承圈可以是连续的环或部分环，并且连接到轴颈销或锥形腔。 这些可能包括由钻石增强材料制成的推力轴承，滚子，滚子赛，球和球赛。 这些轴承表面也至少部分地由金刚石增强材料形成，并且附接到轴颈或锥形轴承表面的部分。