US3377024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel burner system and fuel control
Assignee: Tillotson Manufacturing Co
•
Filing: 1964-05-19
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Granted: 1968-04-09
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Expires: 1984-05-19
Abstract
No abstract record available.
Inventors
- 👤 Warren D Nutten
- 👤 Bernard C Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:27
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/40; F23D11/46; F23N; F23N2239/00; F23N2239/06; Y; Y10; Y10S; Y10S261/00; Y10S261/68; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/2569; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7796; Y10T137/7832; Y10T137/8593; Y10T137/87917
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
FUEL CONTROL APPARATUS FOR CONTROLLING FUEL FLOW FROM A SUPPLY TO A FUEL DELIVERY NOZZLE AT AN AIR AND FUEL MIXING ZONE INCLUDING, IN COMBINATION, MEANS PROVIDING TWO FUEL CHAMBERS, A PAIR OF FLEXIBLE DIAPHRAGMS RESPECTIVELY FORMING A WALL OF EACH OF THE FUEL CHAMBERS, AN INLET PASSAGE FOR ONE OF SAID CHAMBERS ADAPTED TO BE CONNECTED WITH THE FUEL SUPPLY, PASSAGE MEANS CONNECTING THE FUEL CHAMBERS, AN OUTLET PASSAGE FOR THE OTHER OF THE CHAMBERS CONNECTED WITH THE FUEL DELIVERY NOZZLE, A VALVE IN THE INLET PASSAGE, A VALVE IN THE CONNECTING PASSAGE MEANS, SPRING MEANS NORMALLY BIASING SAID VALVES TOWARD CLOSED POSITION, SAID DIAPHRAGMS BEING RESPONSIVE TO PRESSURES AT OPPOSITE SIDES THEREOF FOR CONTROLLING THE RELATIVE POSITIONS OF SAID VALVES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |