US3306333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air spray combustor
Assignee: Bendix Corp
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Filing: 1964-03-31
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Granted: 1967-02-28
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Expires: 1984-03-31
Abstract
No abstract record available.
Inventors
- 👤 Frank C Mock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:26
CPC Classifications
F; F23; F23C; F23C9/00; F23C9/006; F23D; F23D11/00; F23D11/10; F23D11/106; F23D11/36; F23D11/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A COMBUSTOR COMPRISING: A CYLINDRICAL FLAME TUBE HAVING A GENERALLY-CLOSED UPSTREAM END AND AN OPENED DOWNSTREAM END; A RING OF PRIMARY AIR HOLES FORMED IN THE SIDE OF SAID FLAME TUBE ADMITTING PRESSURIZED AIR, PRODUCING TOROIDAL AIR CIRCULATING WITHIN SAID UPSTREAM END; A FUEL-AIR NOZZLE EXTENDING THROUGH SAID UPSTREAM END AT THE APPROXIMATE AXIAL CENTERLINE OF SAID FLAME TUBE; SAID FUEL-AIR NOZZLE HAVING PASSAGE MEANS ADAPTED TO DIRECT A FUEL-AIR MIXTURE INTO SAID FLAME TUBE TO ASSIST TOROIDAL CIRCULATION; A SPARK PLUG HAVING ELECTRODES EXTENDING INTO SAID FLAME TUBE INTERMEDIATE SAID CLOSED UPSTREAM END AND SAID RING OF PRIMARY AIR HOLES AND FUEL SPRAY IGNITION MEANS COMPRISED OF AN ADDITIONAL FUEL EJECTING PASSAGE, FORMED AS PART OF SAID FUEL-AIR NOZZLE, OPERATIVE TO DIRECT A FUEL SPRAY TOWARD SAID ELECTRODES.
Claim 2
Dependent Claim
129 words
A COMBUSTOR COMPRISING: A CYLINDRICAL FLAME TUBE HAVING A GENERALLY-CLOSED UPSTREAM END AND AN OPENED DOWNSTREAM END; A RING OF PRIMARY AIR HOLES FORMED IN THE SIDE OF SAID FLAME TUBE ADMITTING PRESSURIZED AIR, PRODUCING TOROIDAL AIR CIRCULATING WITHIN SAID UPSTREAM END; A FUEL-AIR NOZZLE EXTENDING THROUGH SAID UPSTREAM END AT THE APPROXIMATE AXIAL CENTERLINE OF SAID FLAME TUBE; SAID FUEL-AIR NOZZLE HAVING PASSAGE MEANS ADAPTED TO DIRECT A FUEL-AIR MIXTURE INTO SAID FLAME TUBE TO ASSIST TOROIDAL CIRCULATION; A SPARK PLUG HAVING ELECTRODES EXTENDING INTO SAID FLAME TUBE INTERMEDIATE SAID CLOSED UPSTREAM END AND SAID RING OF PRIMARY AIR HOLES AND FUEL SPRAY IGNITION MEANS COMPRISED OF AN ADDITIONAL FUEL EJECTING PASSAGE, FORMED AS PART OF SAID FUEL-AIR NOZZLE, OPERATIVE TO DIRECT A FUEL SPRAY TOWARD SAID ELECTRODES.
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 |