US3168102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel supply systems
Assignee: Dowty Fuel Systems Ltd
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Filing: 1962-02-27
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Granted: 1965-02-02
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Stanley R Tyler
- 👤 Edgar G Hunt
- 👤 William J Bootle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:10
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A FUEL SUPPLY SYSTEM FOR AN ENGINE INCLUDING A PUMP FOR SUPPLYING FUEL TO THE ENGINE, MEANS FOR VARYING THE RATE OF FLOW OF FUEL FROM THE PUMP OF THE ENGINE, MANUALLY-OPERABLE MEANS FOR CONTROLLING THE FUEL-FLOW VARYING MEANS, MEANS RESPONSIVE TO ENGINE OPERATING CONDITIONS FOR CONTROLLING FUEL-FLOW VARYING MEANS TO LIMIT THE RATE OF FLOW OF FUEL TO THE ENGINE SO AS TO PREVENT OVER-FUELING OF THE ENGINE, SAFETY MEANS OPERABLE TO RENDER THE LIMITING MEANS INOPERATIVE WITH THE MANUALLY-OPERABLE MEANS REMAINING OPERATIVE, MEANS RESPONSIVE TO A SATISFACTORY ACCELERATION OF THE ENGINE TO PREVENT OPERATION OF THE SAFETY MEANS, AND MEANS RESPOSIVE TO SELECTION OF AN INCREASED ENGINE SPEED BY THE MANUALLY-OPERABLE MEANS TO OPERATE THE SAFETY MEANS, AFTER A DELAY AFTER A SELECTION OF INCREASED SPEED, TO RENDER THE LIMITING MEANS INOPERATIVE UNLESS SUCH OPERATION OF THE SAFETY MEANS HAS BEEN PREVENTED BY THE ACCELERATION RESPONSIVE MEANS.
Claim 2
Dependent Claim
149 words
A FUEL SUPPLY SYSTEM FOR AN ENGINE INCLUDING A PUMP FOR SUPPLYING FUEL TO THE ENGINE, MEANS FOR VARYING THE RATE OF FLOW OF FUEL FROM THE PUMP OF THE ENGINE, MANUALLY-OPERABLE MEANS FOR CONTROLLING THE FUEL-FLOW VARYING MEANS, MEANS RESPONSIVE TO ENGINE OPERATING CONDITIONS FOR CONTROLLING FUEL-FLOW VARYING MEANS TO LIMIT THE RATE OF FLOW OF FUEL TO THE ENGINE SO AS TO PREVENT OVER-FUELING OF THE ENGINE, SAFETY MEANS OPERABLE TO RENDER THE LIMITING MEANS INOPERATIVE WITH THE MANUALLY-OPERABLE MEANS REMAINING OPERATIVE, MEANS RESPONSIVE TO A SATISFACTORY ACCELERATION OF THE ENGINE TO PREVENT OPERATION OF THE SAFETY MEANS, AND MEANS RESPOSIVE TO SELECTION OF AN INCREASED ENGINE SPEED BY THE MANUALLY-OPERABLE MEANS TO OPERATE THE SAFETY MEANS, AFTER A DELAY AFTER A SELECTION OF INCREASED SPEED, TO RENDER THE LIMITING MEANS INOPERATIVE UNLESS SUCH OPERATION OF THE SAFETY MEANS HAS BEEN PREVENTED BY THE ACCELERATION RESPONSIVE MEANS.
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) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |