US3223138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner control apparatus
Assignee: Honeywell Inc
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Filing: 1964-01-02
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Granted: 1965-12-14
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Expires: 1984-01-02
Abstract
No abstract record available.
Inventors
- 👤 Richard W Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:58
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/20; F23N5/22; F23N2225/00; F23N2225/02; F23N2227/00; F23N2227/04; F23N2229/00; F23N2231/00; F23N2231/20; F23N2233/00; F23N2233/06; F23N5/02; F23N5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A FUEL BURNER CONTROL SYSTEM OF THE TYPE HAVING COMBUSTION SENSING MEANS, A TIMER PROVIDING A SEQUENCE OF OPERATIONS INCLUDING A IGNTION PERIOD, A RUN PERIOD, AND AT LEAST ONE PURGE PERIOD, AND MANUALLY RESETTABLE SAFETY LOCKOUT MEANS RENDERED EFFECTIVELY BY SAID TIMER AND SAID COMBUSTION SENSING MEANS TO DISABLE THE SYSTEM UPON FAILURE OF THE COMBUSTION SENSING MEANS TO INDICATE THE PRESENCE OF COMBINATION DURING THE RUN PERIOD, THE IMPROVEMENT COMPISING: INACESSIBLE SYSTEM DISABLING MEANS OPERABLE TOI DISABLE THE SYSTEM AND TO PREVENT RESTARTING THERETO; FUEL PRESSURE RESPONSIVE MEANS FOR OPERATING SAID SYSTEM DISABLING MEANS WHEN FUEL IS SUPPLIED TO THE BURNER; MEANS OPERABLE BY SAID COMBUSTION SENSING MEANS FOR OPERATING SAID DISABLING MEANS WHEN SAID COMBUSTION SENSING MEANS INDICATES THE PRESENCE OF COMBUSTION; AND MEANS OPEABLE BY SAID TIMER AND RENDERING SAID DISABLING MEANS OPERABLE ONLY DURING SAID PURGE PERIOD.
Claim 2
Dependent Claim
143 words
IN A FUEL BURNER CONTROL SYSTEM OF THE TYPE HAVING COMBUSTION SENSING MEANS, A TIMER PROVIDING A SEQUENCE OF OPERATIONS INCLUDING A IGNTION PERIOD, A RUN PERIOD, AND AT LEAST ONE PURGE PERIOD, AND MANUALLY RESETTABLE SAFETY LOCKOUT MEANS RENDERED EFFECTIVELY BY SAID TIMER AND SAID COMBUSTION SENSING MEANS TO DISABLE THE SYSTEM UPON FAILURE OF THE COMBUSTION SENSING MEANS TO INDICATE THE PRESENCE OF COMBINATION DURING THE RUN PERIOD, THE IMPROVEMENT COMPISING: INACESSIBLE SYSTEM DISABLING MEANS OPERABLE TOI DISABLE THE SYSTEM AND TO PREVENT RESTARTING THERETO; FUEL PRESSURE RESPONSIVE MEANS FOR OPERATING SAID SYSTEM DISABLING MEANS WHEN FUEL IS SUPPLIED TO THE BURNER; MEANS OPERABLE BY SAID COMBUSTION SENSING MEANS FOR OPERATING SAID DISABLING MEANS WHEN SAID COMBUSTION SENSING MEANS INDICATES THE PRESENCE OF COMBUSTION; AND MEANS OPEABLE BY SAID TIMER AND RENDERING SAID DISABLING MEANS OPERABLE ONLY DURING SAID PURGE PERIOD.
References Cited (Backward Citations)
US3194296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |