Patent US3224487A successfully refreshed from Google Patents.
US3224487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination pilot burner and flame detector
Assignee: Vapor Corp
•
Filing: 1963-05-23
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Granted: 1965-12-21
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Expires: 1983-05-23
Abstract
No abstract record available.
Inventors
- 👤 Michael J Mcinerney
- 👤 Joseph L Czyl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:44
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/08; F23M; F23M11/00; F23M11/04; F23M11/045; F23N5/085; F23N2227/00; F23N2227/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
IN COMBINATION WITH A FIRE POT FOR A HEATING PLANT, A MAIN BURNER EXTENDING INTO THE FIRE POT, A COMBINATION PILOT BURNER AND FLAME DETECTOR FOR DETECTING THE PILOT AND MAIN BURNER FLAMES EXTENDING INTO THE FIRE POT AND AT AN INCLINED ANGLE TO THE AXIS OF AND WITHIN HEAT PROXIMITY TO SAID MAIN BURNER, SAID PILOT BURNER AND FLAME DETECTOR COMPRISING, AN ELONGATED TUBULAR MEMBER PROJECTING INTO THE FIRE POT, SAID TUBULAR MEMBER BEING OPEN AT THE END EXTENDING WITHIN THE FIRE POT TO DEFINE AT SAID OPEN END A FUEL NOZZLE AND BEING CLOSED AT THE END EXTENDING OUTSIDE OF THE FIRE POT, A FUEL INLET ON SAID TUBULAR MEMBER LOCATED AT THE CLOSED END OUTSIDE OF THE FIRE POT, A SIGNTING TUBE EXTENDING THROUGH THE CLOSED END OF SAID TUBULAR MEMBER AND CENTRALLY THERETHROUGH TERMINATING AT A POINT SUBSTANTIALLY COINCIDENT WITH THE OPEN END OF SAID TUBULAR MEMBER AND DEFINING WITH SAID TUBULAR MEMBER AN ANNULAR IN CROSS-SECTION FUEL PASSAGEWAY EXTENDING FROM THE CLOSED END OF SAID TUBULAR MEMBER TO THE OPEN END THEREOF, AND A FLAME DETECTION UNIT MOUNTED ON SAID TUBE OUTSIDE OF SAID TUBULAR MEMBER FOR DETECTING THE FLAME AT THE NOZZLE, THE INCLINATION OF SAID COMBINATION PILOT BURNER AND FLAME DETECTOR TO SAID MAIN BURNER BEING SUCH THAT SAID DETECTOR RESPONDS TO THE MAIN BURNER FLAME.
Claim 2
Dependent Claim
223 words
IN COMBINATION WITH A FIRE POT FOR A HEATING PLANT, A MAIN BURNER EXTENDING INTO THE FIRE POT, A COMBINATION PILOT BURNER AND FLAME DETECTOR FOR DETECTING THE PILOT AND MAIN BURNER FLAMES EXTENDING INTO THE FIRE POT AND AT AN INCLINED ANGLE TO THE AXIS OF AND WITHIN HEAT PROXIMITY TO SAID MAIN BURNER, SAID PILOT BURNER AND FLAME DETECTOR COMPRISING, AN ELONGATED TUBULAR MEMBER PROJECTING INTO THE FIRE POT, SAID TUBULAR MEMBER BEING OPEN AT THE END EXTENDING WITHIN THE FIRE POT TO DEFINE AT SAID OPEN END A FUEL NOZZLE AND BEING CLOSED AT THE END EXTENDING OUTSIDE OF THE FIRE POT, A FUEL INLET ON SAID TUBULAR MEMBER LOCATED AT THE CLOSED END OUTSIDE OF THE FIRE POT, A SIGNTING TUBE EXTENDING THROUGH THE CLOSED END OF SAID TUBULAR MEMBER AND CENTRALLY THERETHROUGH TERMINATING AT A POINT SUBSTANTIALLY COINCIDENT WITH THE OPEN END OF SAID TUBULAR MEMBER AND DEFINING WITH SAID TUBULAR MEMBER AN ANNULAR IN CROSS-SECTION FUEL PASSAGEWAY EXTENDING FROM THE CLOSED END OF SAID TUBULAR MEMBER TO THE OPEN END THEREOF, AND A FLAME DETECTION UNIT MOUNTED ON SAID TUBE OUTSIDE OF SAID TUBULAR MEMBER FOR DETECTING THE FLAME AT THE NOZZLE, THE INCLINATION OF SAID COMBINATION PILOT BURNER AND FLAME DETECTOR TO SAID MAIN BURNER BEING SUCH THAT SAID DETECTOR RESPONDS TO THE MAIN BURNER FLAME.
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |