Device for measuring quantity of electric charges on electrified fluid
US4309661A · kind A · utility
5Cited by
7References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 9, 1979 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | Oct 9, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8158
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An electrified fluid flows through a main pipe and its bypass line including a conducting pipe insulated from the remaining pipes and the main pipe. While the electrified fluid flows through the insulating pipe the latter acquires all electric charges which is, in turn, measured, as a current, by an ammeter connected between the insulated pipe and ground. A flow meter is disposed in the bypass line on the outgoing side of the insulated pipe and measures a flow rate. An electric charge density is calculated from the measured current and flow rate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.