Sensing probe
Abstract
Abstract A PROBE HAVING A SENSING HEAD IN THE FORM OF A BLUNTED WEDGE WITH FLAT SIDES. AN ORIFICE IS PROVIDED IN EACH WEDGE FACE AND COMMUNICATES WITH A RESPECTIVE LONGITUDINAL PASSAGEWAY IN THE SENSING HEAD. A TOTAL PRESSURE SENSING TUBE EXTENDS FROM THE BLUNTED EDGE AND COMMUNICATES WITH ANOTHER LONGITUDINAL PASSAGEWAY IN THE SENSING HEAD. A THERMOCOUPLE IS DISPOSED IN A TUBULAR HOUSING WHICH EXTENDS FROM THE BLUNTED EDGE BELOW AND PARALLEL TO THE PRESSURE SENSING TUBE. BLEED ORFICES ARE PROVIDED IN THE HOUSING WHICH IS RETAINED IN A TRANSVERSE PASSAGEWAY IN THE SENSING HEAD. A LONGITUDINAL GROOVE IS FORMED IN THE REAR SURFACE OF THE SENSING HEAD TO CONTAIN A CONDUIT FOR THERMOCOUPLE LEADS WHICH ARE DIRECTED TO THE THERMOCOUPLE THROUGH A CERAMIC PLUG IN THE TRANSVERSE PASSAGE. A CEMENTITIOUS MATERIAL IS USED TO FILL THE GROOVE BELOW THE THERMOCOUPLE CONDUIT. THE LEADS IN THE THERMOCOUPLE CONDUIT ARE SURROUNDED BY A CERAMIC MATERIAL WHICH HAS BEEN SWAGED INTO THE CONDUIT.
Inventors
- 👤 Lloyd N Krause
- 👤 George E Glawe
Bibliographic Details
Claims Analysis
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |