Trace gas analyzer
Abstract
Abstract A TRACE GAS ANALYZER FOR DETECTING AN MEASURING AMOUNTS IN THE RANGE OF FROM 0 TO 1000 P.P.M. OF A TRACE GAS IN A GASEOUS STREAM. THE DETECTION CELL HAS A FIRST ELECTRICALLY CONDUCTIVE, NON-CONSUMABLE GAS DIFFUSION ELECTRODE OF MICROPOROUS, HYDROPHOBIC MATERIAL DIVIDING THE INTERIOR OF THE CELL INTO TWO CHAMBERS, A GAS CHAMBER ON ONE SIDE CLOSED TO AMBIENT ATMOSPHERE AND HAVING A GAS INLET AND A GAS OUTLET FOR THE GAS TO BE ANALYZED AND AN ELECTROLYTE CHAMBER ON THE OTHER SIDE, HAVING A SECOND ELECTRODE, AND A LIQUID ELECTROLYTE IN THE ELECTROLYTE CHAMBER CONTACTING BOTH ELECTRODES, INCLUDING A SUBSTANTIAL VOLUME OF UNADSORBED FREE ELECTROLYTE CONFINED IN THE ELECTROLYTE CHAMBER BY THE MICROPOROUS HYDROPHOBIC ELECTRODE. A RESERVOIR COMMUNICATING THROUGH THE SECOND ELECTRODE TO THE SPACE BETWEEN THE ELECTRODES IS FEATURED.
Inventors
- 👤 M Diebert
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |