Drilling motors with elastically deformable lobes
US8776916B2 · kind B2 · utility
0Cited by
2References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 1, 2011 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Jul 3, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49245
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In an aspect, a drilling motor is provided that in one embodiment includes a stator and a rotor configured to be disposed in the stator, wherein the rotor includes a lobe member having an elastically deformable surface configured to provide an interference seal between the stator and the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.