US3232055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vaporizing glow igniter
Assignee: Pratt and Whitney Canada Corp
•
Filing: 1964-06-01
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Granted: 1966-02-01
•
Expires: 1984-06-01
Abstract
No abstract record available.
Inventors
- 👤 John A Saintsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:03
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN IGNITER FOR COMBUSTION CHAMBERS IN WHICH FUEL IS REQUIRED TO BE IGNITED RAPIDLY AT LOW TEMPERATURES, SAID IGNITER COMPRISING A HOLLOW HOUSING HAVING AN OPEN END ADAPTED FOR MOUNTING IN COMMUNICATION WITH SUCH COMBUSTION CHAMBER, A CORE OF THERMAL AND ELECTRICAL INSULATING MATERIAL EXTENDING WITHIN SAID HOUSING AND SHAPED TO PROVIDE AN EXPOSED CAVITY WITHIN SAID HOUSING AT SAID OPEN END, AN ELONGATED IGNITING ELEMENT OF HIGH TEMPERATURE ELECTRICALLY CONDUCTIVE MATERIAL MOUNTED WITHIN SAID CAVITY SO AS TO BE EXPOSED TO THE ATMOSPHERE OF SUCH COMBUSTION CHAMBER AND HAVING ONE END ELECTRICITY CONNECTED TO SAID HOUSING AND ITS OTHER END CONNECTED TO AN ELECTRIC CONDUCTOR EXTENDING THROUGH SAID CORE, AND AN INDEPENDENT BODY OF FLUID-ABSORBENT MATERIAL POSITIONED WITHIN SAID CAVITY AND SPACED ADJACENT THE LENGTH OF SAID IGNITING ELEMENT, SAID ABSORBENT MATERIAL SERVING TO ABSORB FUEL FOR EVAPORATION AND IGNITION BY SAID IGNITING ELEMENT.
Claim 2
Dependent Claim
145 words
AN IGNITER FOR COMBUSTION CHAMBERS IN WHICH FUEL IS REQUIRED TO BE IGNITED RAPIDLY AT LOW TEMPERATURES, SAID IGNITER COMPRISING A HOLLOW HOUSING HAVING AN OPEN END ADAPTED FOR MOUNTING IN COMMUNICATION WITH SUCH COMBUSTION CHAMBER, A CORE OF THERMAL AND ELECTRICAL INSULATING MATERIAL EXTENDING WITHIN SAID HOUSING AND SHAPED TO PROVIDE AN EXPOSED CAVITY WITHIN SAID HOUSING AT SAID OPEN END, AN ELONGATED IGNITING ELEMENT OF HIGH TEMPERATURE ELECTRICALLY CONDUCTIVE MATERIAL MOUNTED WITHIN SAID CAVITY SO AS TO BE EXPOSED TO THE ATMOSPHERE OF SUCH COMBUSTION CHAMBER AND HAVING ONE END ELECTRICITY CONNECTED TO SAID HOUSING AND ITS OTHER END CONNECTED TO AN ELECTRIC CONDUCTOR EXTENDING THROUGH SAID CORE, AND AN INDEPENDENT BODY OF FLUID-ABSORBENT MATERIAL POSITIONED WITHIN SAID CAVITY AND SPACED ADJACENT THE LENGTH OF SAID IGNITING ELEMENT, SAID ABSORBENT MATERIAL SERVING TO ABSORB FUEL FOR EVAPORATION AND IGNITION BY SAID IGNITING ELEMENT.
References Cited (Backward Citations)
US2142601A
Cited
US2492755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |