US3587231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sequencing mechanism for a fuel control
Assignee: RTX Corp
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Filing: 1969-06-26
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Granted: 1971-06-28
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Expires: 1989-06-26
Abstract
Abstract BY A SEQUENCING CONTROL, FUEL IS SEQUENTIALLY FED TO A PLURALITY OF NOZZLES DISPOSED AT DIFFERENT STATIONS IN AN ENGINE. THE SEQUENTIAL CONTROL INTERCONNECTS THE NOZZLES WITH METERED FUEL FROM A MAIN FUEL CONTROL IN A PREDETERMINED MANNER IN RESPONSE TO POWER LEVER POSITION ONCE THE NOZZLES ARE FILLED FROM ANOTHER SOURCE OF FUEL.
Inventors
- 👤 George A Fisher
- 👤 Charles F Stearns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:52
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F02C7/228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |