Monitoring of floating roof tank
US9377340B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 11, 2011 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Dec 16, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2209/88
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
System for monitoring a floating roof of a tank containing a liquid, wherein the system determines a local status of the floating roof in spaced apart sensing element locations. In a hazardous or potentially hazardous environment, there is an on-roof subsystem including a sensing element in each sensing element location, intrinsically safe measuring circuitry coupled a sensing elements and arranged for determining said local status, intrinsically safe radio communication on-roof circuitry coupled for communicating externally of the on-roof subsystem the local, an intrinsically safe power supply circuitry connected to an intrinsically safe and interchangeable energy storage unit for powering the on-roof subsystem. The system further includes monitoring circuitry for receiving the indication of local status and for determining an overall monitored status of said floating and further radio communication circuitry. The on-roof subsystem is wireless in its power supply and communication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.