Oscillating shear valve of continuous pulse generator
US11886535B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2023 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Aug 29, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2119/14
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An oscillating shear valve of a continuous pulse generator comprises a rotator and a stator which are coaxially mounted, valve orifices are formed on the rotator and the stator, each of the valve orifices comprises a circular arc line, two straight line segments and two fillets, and is designed by establishing polar coordinate equations of the circular arc line, the straight line segments and the fillets and calculating a mud throttling area formed when the oscillating shear valve moves and determining parameters of structures of the valve orifices by a correlation coefficient index of the fluid differential pressure and a standard sinusoidal wave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.