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US3306338A
Expired / Lapsed
US
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Apparatus for the application of insulated a.c. fields to flares
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1965-11-01
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Granted: 1967-02-28
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Expires: 1985-11-01
Abstract
No abstract record available.
Inventors
- 👤 Franklin J Wright
- 👤 Duane G Levine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:53
CPC Classifications
F; F23; F23C; F23C99/00; F23C99/001; F23G; F23G7/00; F23G7/06; F23G7/08; F23G7/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
APPARATUS FOR IMPROVING FLAME CHARACTERISTICS OF A FLARE ISSUING FROM THE TOP OF AN ELEVATED STACK, COMPRISING: (A) A VERTICAL STACK WHICH VENTS AT ITS TOP A COMBUSTIBLE FUEL MIXTURE THAT MIXES WITH SURROUNDING ATMOSPHERIC AIR TO FORM THE FLARE BY COMBUSTION IN A FLARE AREA ABOVE THE STACK; (B) AT LEAST A PAIR OF INSULATED ELECTRODES UPSTANDING ON OPPOSITE SIDES OF THE FLARE AREA, SAID ELECTRODES BEING SPACED IN SAID SURROUNDING ATMOSPHERE AIR FROM EACH OTHER AND FROM THE FLARE AREA IN PROXIMITY THERETO; AND (C) MEANS FOR CHARGING SAID ELECTRODES TO OPPOSITE POLARITY BY ALTERNATING ELECTRIC CURRENT AT SUFFICIENT VOLTAGE TO DEVELOP AN ALTERNATING ELECTROSTATIC FIELD ACROSS THE FLARE AREA WITH NO FLOW OF ELECTRIC CURRENT FROM THE ELECTRODES ACROSS THE FLARE AREA.
Claim 2
Dependent Claim
125 words
APPARATUS FOR IMPROVING FLAME CHARACTERISTICS OF A FLARE ISSUING FROM THE TOP OF AN ELEVATED STACK, COMPRISING: (A) A VERTICAL STACK WHICH VENTS AT ITS TOP A COMBUSTIBLE FUEL MIXTURE THAT MIXES WITH SURROUNDING ATMOSPHERIC AIR TO FORM THE FLARE BY COMBUSTION IN A FLARE AREA ABOVE THE STACK; (B) AT LEAST A PAIR OF INSULATED ELECTRODES UPSTANDING ON OPPOSITE SIDES OF THE FLARE AREA, SAID ELECTRODES BEING SPACED IN SAID SURROUNDING ATMOSPHERE AIR FROM EACH OTHER AND FROM THE FLARE AREA IN PROXIMITY THERETO; AND (C) MEANS FOR CHARGING SAID ELECTRODES TO OPPOSITE POLARITY BY ALTERNATING ELECTRIC CURRENT AT SUFFICIENT VOLTAGE TO DEVELOP AN ALTERNATING ELECTROSTATIC FIELD ACROSS THE FLARE AREA WITH NO FLOW OF ELECTRIC CURRENT FROM THE ELECTRODES ACROSS THE FLARE AREA.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |