Bearing elements, bearing assemblies and related methods
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16C-033/26
F16C-017/04
F16C-033/00
출원번호
US-0294048
(2011-11-10)
등록번호
US-8764295
(2014-07-01)
발명자
/ 주소
Dadson, Andrew E.
Sexton, Timothy N.
출원인 / 주소
US Synthetic Corporation
대리인 / 주소
Holland & Hart LLP
인용정보
피인용 횟수 :
1인용 특허 :
58
초록▼
Bearing elements, assemblies and apparatuses are provided as well as a method of manufacturing such components. In one embodiment, a bearing element comprises a superhard table forming a convex bearing surface and a radiused edge formed on the superhard table adjacent to the convex bearing surface.
Bearing elements, assemblies and apparatuses are provided as well as a method of manufacturing such components. In one embodiment, a bearing element comprises a superhard table forming a convex bearing surface and a radiused edge formed on the superhard table adjacent to the convex bearing surface. In another embodiment, a bearing element comprises a superhard table forming a concave bearing surface and a radiused edge formed on the superhard table adjacent to the concave bearing surface. In one embodiment, a bearing apparatus includes an inner bearing race assembly and an outer bearing race assembly. Each of the bearing race assemblies include a plurality of bearing elements. At least one of the inner and outer bearing race assemblies include a bearing element having an arcuate bearing surface and a radiused edge formed adjacent the arcuate bearing surface.
대표청구항▼
1. A bearing element comprising: a superhard table forming a convex bearing surface, the convex bearing surface comprising a portion of a cylindrical surface and including a leading edge;a radiused edge formed on the superhard table adjacent to the leading edge of the convex bearing surface, the rad
1. A bearing element comprising: a superhard table forming a convex bearing surface, the convex bearing surface comprising a portion of a cylindrical surface and including a leading edge;a radiused edge formed on the superhard table adjacent to the leading edge of the convex bearing surface, the radiused edge exhibiting a width between the convex bearing surface and a second surface, the width varying as the radiused edge extends from a first peripheral location an a second peripheral location. 2. The bearing element of claim 1, wherein the superhard table comprises polycrystalline diamond and is bonded to a substrate. 3. The bearing element of claim 1, wherein the superhard table further comprises a metallic catalyst material. 4. The bearing element of claim 3, wherein the metallic catalyst material is located in a first volume of the superhard table, and wherein a second volume of the superhard table is substantially devoid of any metallic catalyst material, wherein the second volume includes the convex bearing surface. 5. The bearing element of claim 1, wherein the radiused edge only partially surrounds the periphery of the convex bearing surface. 6. The bearing element of claim 1, further comprising a chamfer positioned between the radiused edge and a sidewall of the bearing element. 7. The bearing element of claim 6, wherein the chamfer varies in width as it extends about at least a portion of a periphery of the convex bearing surface. 8. The bearing element of claim 1, wherein the radiused edge exhibits a cross-sectional radius of approximately 0.002 inch to approximately 0.015 inch. 9. The bearing element of claim 1, wherein the width increases from the first peripheral location to the second peripheral location, and wherein the width decreases from the second peripheral location to a third peripheral location. 10. A bearing element comprising: a superhard table forming a concave bearing surface, concave bearing surface comprising a portion of a cylindrical surface and including a leading edge;a radiused edge formed on the superhard table adjacent to the concave bearing surface, the radiused edge exhibiting a width between the concave bearing surface and a second surface, the width varying as the radiusd edge extends from a first peripheral location and a second peripheral location. 11. The bearing element of claim 10, wherein the superhard table comprises polycrystalline diamond and is bonded to a substrate. 12. The bearing element of claim 10, wherein the superhard table further comprises a metallic catalyst material. 13. The bearing element of claim 12, wherein the metallic catalyst material is located in a first volume of the superhard table, and wherein a second volume of the superhard table is substantially devoid of any metallic catalyst material, wherein the second volume includes the concave bearing surface. 14. The bearing element of claim 10, wherein the radiused edge only partially surrounds the periphery of the concave bearing surface. 15. The bearing element of claim 10, further comprising a chamfer positioned between the radiused edge and a sidewall of the bearing element. 16. The bearing element of claim 15, wherein the chamfer varies in width as it extends about a at least a portion of a periphery of the concave bearing surface. 17. The bearing element of claim 10, wherein the radiused edge exhibits a cross-sectional radius of approximately 0.002 inch to approximately 0.015 inch. 18. The bearing element of claim 10, wherein the width increases from the first peripheral location to the second peripheral location, and wherein the width decreases from the second peripheral location to a third peripheral location. 19. A bearing apparatus comprising: an outer bearing race assembly, the outer bearing race assembly comprising: a body having a plurality of recesses defined therein;a plurality of bearing elements, each bearing element including a superhard table forming an arcuate bearing surface comprising a portion of a cylindrical surface and having a leading edge, each bearing element being at least partially disposed within an associated recess of the plurality of recesses, the arcuate bearing surfaces collectively defining a bearing surface for the outer bearing race assembly;an inner bearing race assembly, the inner bearing race assembly comprising: a body having a plurality of recesses defined therein;a plurality of bearing elements, each bearing element including a superhard table forming an arcuate bearing surface comprising a portion of a cylindrical surface and having a leading edge, each bearing element being at least partially disposed within an associated recess of the plurality of recesses, the arcuate bearing surfaces collectively defining a bearing surface for the outer bearing race assembly;wherein the inner bearing race assembly and the outer bearing race assembly are located and configured such that at least a portion of the bearing surface of the inner bearing race assembly engages at least a portion of the bearing surface of the outer bearing race assembly; andwherein, at least one bearing element of the plurality of bearing elements of the outer bearing race assembly and the plurality of bearing elements of the inner bearing race assembly includes a radiused edge along at least a portion of a periphery of its arcuate bearing surface including the leading edge, the radiused edge exhibiting a width between the arcuate bearing surface and a second surface, the width varying as the radiused edge extends from a first peripheral location and a second peripheral location. 20. The bearing apparatus of claim 19, wherein each of the plurality of bearing elements of the outer bearing race assembly include a radiused edge along at least a portion of a periphery of their respective arcuate bearing surface and wherein each of the plurality of bearing elements of the inner bearing race assembly include a radiused edge along at least a portion of a periphery of their respective arcuate bearing surface. 21. A bearing element comprising: a superhard table forming a convex bearing surface, the convex bearing surface including a leading edge;a transition surface formed on the superhard table adjacent to the leading edge of the convex bearing surface, the transition surface varying in width as the transition surface extends from a first peripheral location and a second peripheral location about the convex bearing surface. 22. The bearing element of claim 21, wherein the superhard table comprises polycrystalline diamond and is bonded to a substrate. 23. The bearing element of claim 21, wherein the superhard table further comprises a metallic catalyst material. 24. The bearing element of claim 23, wherein the metallic catalyst material is located in a first volume of the superhard table, and wherein a second volume of the superhard table is substantially devoid of any metallic catalyst material, wherein the second volume includes the convex bearing surface. 25. The bearing element of claim 21, wherein the transition surface only partially surrounds the periphery of the convex bearing surface. 26. The bearing element of claim 21, further comprising a chamfer positioned between the transition surface and a sidewall of the bearing element. 27. The bearing element of claim 26, wherein the chamfer varies in width as it extends about at least a portion of a periphery of the convex bearing surface. 28. A bearing element comprising: a superhard table forming a concave bearing surface, the concave bearing surface including a leading edge;a transition surface formed on the superhard table adjacent to the leading edge of the concave bearing surface, the transition surface varying in width as the transition surface extends from a first peripheral location and a second peripheral location about the concave bearing surface. 29. The bearing element of claim 28, wherein the superhard table comprises polycrystalline diamond and is bonded to a substrate. 30. The bearing element of claim 28, wherein the superhard table further comprises a metallic catalyst material. 31. The bearing element of claim 30, wherein the metallic catalyst material is located in a first volume of the superhard table, and wherein a second volume of the superhard table is substantially devoid of any metallic catalyst material, wherein the second volume includes the concave bearing surface. 32. The bearing element of claim 28, wherein the transition surface only partially surrounds the periphery of the concave bearing surface. 33. The bearing element of claim 28, further comprising a chamfer positioned between the transition surface and a sidewall of the bearing element. 34. The bearing element of claim 33, wherein the chamfer varies in width as it extends about at least a portion of a periphery of the concave bearing surface.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (58)
Crase Gary M. (Cypress CA), Adjustable bearing assembly.
Damm Oliver F. R. A. (633 Turf Street ; Wingate Park Pretoria ; Transvaal ZAX) Tank Klaus (9 Warbleton Avenue ; Essexwold Johannesburg ; Transvaal ZAX), Diamond bearing assembly.
Ide Russell D. (P.O. Box 744 641 Arnold Rd. Coventry RI 02816), Multi-deflection pad hydrodynamic thrust and journal bearings having a modular construction.
Pope, Bill Jordan; Taylor, Jeffery K.; Dixon, Richard H.; Gardinier, Clayton F.; Pope, Louis M.; Blackburn, Dean C.; Vail, Michael A., Prosthetic hip joint having a polycrystalline diamond articulation surface and a plurality of substrate layers.
Arthur I. Watson SG; Thiam Hock Francis Tan SG; Heng Lye Chang SG; John Lee Yoon Kion SG, System for reducing wear and improving longevity of a electric submergible pumping system.
Klimkovsky Bronislav M. (Dnepropetrovsk SUX) Patser Alexandr I. (Dnepropetrovsk SUX) Potapov Nikolai M. (Dnepropetrovsk SUX) Pasalsky Vladimir M. (Dnepropetrovsk SUX) Anofriev Pavel G. (Dnepropetrovs, Vertical bearing assembly.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.