US3360940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel supply system for a jet propulsion engine including reheaters
Assignee: Dowty Fuel Systems Ltd
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Filing: 1966-06-20
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Granted: 1968-01-02
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Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Rimmer Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:02
CPC Classifications
F; F02; F02K; F02K1/00; F02K1/06; F02K1/15; F02K1/16; F02K1/17; F02C; F02C7/00; F02C7/22; F02K3/00; F02K3/08; F02K3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A FUEL DISTRIBUTION SYSTEM FOR A NUMBER OF BURNER GALLERIES IN A JET PROPULSIION ENGINE, COMPRISING A VALVE MEANS INTERPOSED BETWEEN A VARIABLY CONTROLLABLE MAIN SUPPLY OF FUEL AND EACH BURNER GALLERY, EACH VALVE MEANS SUBSEQUENT TO THAT SUPPLYING THE FIRST GALLERY AT WHICH FUEL IS BURNED HAVING ALSO A SUPPLY OF PRIMING FUEL CONNECTED THERETO AND BEING SO ARRANGED THAT, DURING THE FIRST STAGE OF OPENING OF THE VALVE MEANS, PRIMING FUEL FLOWS TO THE CORRESPONDING BURNER GALLERY, AND DURING A SUBSEQUENT STAGE OF OPENING, THE CONTROLLABLE MAIN FUEL SUPPLY IS CONNECTED TO THE BURNER GALLERY AND THE PRIMING FLOW IS STOPPED, AN INPUT SELECTOR MEMBER MOVABLE, CONJOINTLY WITH THE CONTROL OF THE MAIN FUEL SUPPLY, BETWEEN AN OPENING SELECTION POSITION AND A CLOSING SELECTION POSITION, IN RESPECT OF EACH VALVE MEANS, A FEEDBACK SELECTOR MEMBER MOVABLE IN RESPONSE TO A VARIABLE ENGINE PARAMETER WHICH IS DEPENDENT UPON THE RATE AT WHICH FUEL IS BURNED, SAID FEEDBACK SELECTOR MEMBER
Claim 2
Dependent Claim
160 words
A FUEL DISTRIBUTION SYSTEM FOR A NUMBER OF BURNER GALLERIES IN A JET PROPULSIION ENGINE, COMPRISING A VALVE MEANS INTERPOSED BETWEEN A VARIABLY CONTROLLABLE MAIN SUPPLY OF FUEL AND EACH BURNER GALLERY, EACH VALVE MEANS SUBSEQUENT TO THAT SUPPLYING THE FIRST GALLERY AT WHICH FUEL IS BURNED HAVING ALSO A SUPPLY OF PRIMING FUEL CONNECTED THERETO AND BEING SO ARRANGED THAT, DURING THE FIRST STAGE OF OPENING OF THE VALVE MEANS, PRIMING FUEL FLOWS TO THE CORRESPONDING BURNER GALLERY, AND DURING A SUBSEQUENT STAGE OF OPENING, THE CONTROLLABLE MAIN FUEL SUPPLY IS CONNECTED TO THE BURNER GALLERY AND THE PRIMING FLOW IS STOPPED, AN INPUT SELECTOR MEMBER MOVABLE, CONJOINTLY WITH THE CONTROL OF THE MAIN FUEL SUPPLY, BETWEEN AN OPENING SELECTION POSITION AND A CLOSING SELECTION POSITION, IN RESPECT OF EACH VALVE MEANS, A FEEDBACK SELECTOR MEMBER MOVABLE IN RESPONSE TO A VARIABLE ENGINE PARAMETER WHICH IS DEPENDENT UPON THE RATE AT WHICH FUEL IS BURNED, SAID FEEDBACK SELECTOR MEMBER
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |