CA1286655C - Palier au diamant polycristallin a couche composite de transition - Google Patents

Palier au diamant polycristallin a couche composite de transition

Info

Publication number
CA1286655C
CA1286655C CA000537439A CA537439A CA1286655C CA 1286655 C CA1286655 C CA 1286655C CA 000537439 A CA000537439 A CA 000537439A CA 537439 A CA537439 A CA 537439A CA 1286655 C CA1286655 C CA 1286655C
Authority
CA
Canada
Prior art keywords
bearing
diamond
transition layer
layer
polycrystalline diamond
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA000537439A
Other languages
English (en)
Inventor
David R. Hall
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Smith International Inc
Original Assignee
Smith International Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/864,683 external-priority patent/US4729440A/en
Application filed by Smith International Inc filed Critical Smith International Inc
Application granted granted Critical
Publication of CA1286655C publication Critical patent/CA1286655C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Sliding-Contact Bearings (AREA)
CA000537439A 1986-05-19 1987-05-19 Palier au diamant polycristallin a couche composite de transition Expired - Lifetime CA1286655C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/864,683 US4729440A (en) 1984-04-16 1986-05-19 Transistion layer polycrystalline diamond bearing
US864,683 1987-05-19

Publications (1)

Publication Number Publication Date
CA1286655C true CA1286655C (fr) 1991-07-23

Family

ID=25343829

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000537439A Expired - Lifetime CA1286655C (fr) 1986-05-19 1987-05-19 Palier au diamant polycristallin a couche composite de transition

Country Status (1)

Country Link
CA (1) CA1286655C (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114222870A (zh) * 2019-05-29 2022-03-22 派技术创新有限责任公司 多晶金刚石动力传动表面
US11933356B1 (en) 2020-11-09 2024-03-19 Pi Tech Innovations Llc Continuous diamond surface bearings for sliding engagement with metal surfaces
US11970339B2 (en) 2018-07-30 2024-04-30 Xr Reserve Llc Roller ball assembly with superhard elements
US11994006B2 (en) 2018-07-30 2024-05-28 Xr Reserve Llc Downhole drilling tool with a polycrystalline diamond bearing
US12006973B2 (en) 2020-11-09 2024-06-11 Pi Tech Innovations Llc Diamond surface bearings for sliding engagement with metal surfaces
US12228177B2 (en) 2020-05-29 2025-02-18 Pi Tech Innovations Llc Driveline with double conical bearing joints having polycrystalline diamond power transmission surfaces
US12326170B2 (en) 2018-07-30 2025-06-10 Xr Reserve Llc Polycrystalline diamond radial bearing
US12492725B2 (en) 2022-04-13 2025-12-09 Pi Tech Innovations Llc Polycrystalline diamond-on-metal bearings for use in cryogenic conditions

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11970339B2 (en) 2018-07-30 2024-04-30 Xr Reserve Llc Roller ball assembly with superhard elements
US11994006B2 (en) 2018-07-30 2024-05-28 Xr Reserve Llc Downhole drilling tool with a polycrystalline diamond bearing
US12281541B2 (en) 2018-07-30 2025-04-22 Xr Reserve, Llc Downhole drilling tool with a polycrystalline diamond bearing
US12326170B2 (en) 2018-07-30 2025-06-10 Xr Reserve Llc Polycrystalline diamond radial bearing
CN114222870A (zh) * 2019-05-29 2022-03-22 派技术创新有限责任公司 多晶金刚石动力传动表面
CN114222870B (zh) * 2019-05-29 2024-11-08 派技术创新有限责任公司 多晶金刚石动力传动表面
US12228177B2 (en) 2020-05-29 2025-02-18 Pi Tech Innovations Llc Driveline with double conical bearing joints having polycrystalline diamond power transmission surfaces
US11933356B1 (en) 2020-11-09 2024-03-19 Pi Tech Innovations Llc Continuous diamond surface bearings for sliding engagement with metal surfaces
US12006973B2 (en) 2020-11-09 2024-06-11 Pi Tech Innovations Llc Diamond surface bearings for sliding engagement with metal surfaces
US12492725B2 (en) 2022-04-13 2025-12-09 Pi Tech Innovations Llc Polycrystalline diamond-on-metal bearings for use in cryogenic conditions

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