Wireless measurement of the position of a piston in an accumulator of a blowout preventer system
US9410392B2 · kind B2 · utility
6Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2012 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | May 1, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/0355
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A measurement system including a container including an element moveable within an internal volume of the container. A sensor wirelessly measures the position of the element within the container and transmits the measured position information. Also included is an information system capable of reading the position information from the sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.