Apparatus for evaluating data representing the electrical characteristics of a combustion vessel
US6750660B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2001 |
| Grant date | Jun 15, 2004 |
| Priority date | — |
| Expiry date | Jun 27, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for evaluating data representing the electrical characteristics of a combustion vessel, the combustion vessel being operable to combust a fuel. The apparatus includes a matrix of nodes 132 arranged on an ohmic material of the combustion vessel, a wire 116A, 116B, 118A, 118B, connected to each respective node 132 and a switch SW1, SW2 connected to each wire and to a current source. A circuit 110A, 110B for reducing leakage currents uses an added series element, optimally a diode D1, and feedback control of the voltage across the diode to a set point of zero volts to effectively reduce the off-state leakage current of each switch SW1, SW2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.