US3103829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control linkage arrangement for gas turbine engine fuel system
Assignee: Rolls Royce PLC
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Filing: 1959-07-09
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Granted: 1963-09-17
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Expires: 1979-07-09
Abstract
No abstract record available.
Inventors
- 👤 Basford Kenneth Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:18
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16; Y; Y10; Y10S; Y10S74/00; Y10S74/05; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/20; Y10T74/20207; Y10T74/20372; Y10T74/20384; Y10T74/20576; Y10T74/20582; Y10T74/206; Y10T74/20882; Y10T74/21; Y10T74/2173; Y10T74/2179
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
A GAS TURBINE ENGINE FUEL SYSTEM COMPRISING AN ENGINE THROTTLE ADJUSTABLE TO VARY THE FUEL FLOW TO THE ENGINE, A POWER CONTROL LEVER SETTABLE TO SELECT THE DESIRED POWER OUTPUT OF THE ENGINE, MEANS CONNECTING SAID POWER CONTROL LEVER TO SAID ENGINE THROTTLE AND TRANSMITTING SETTING ADJUSTMENTS OF THE POWER CONTROL LEVER TO ADJUST THE ENGINE THROTTLE, A DAY TEMPERATURE TRIM CONTROL ADJUSTABLE IN A PLURALITY OF SETTINGS IN ACCORDANCE WITH DAY TEMPERATURE, SAID DAY TEMPERATURE TRIM CONTROL BEING CONNECTED TO ADJUST SAID MEANS IN THE SENSE TO VARY THE EFFECT OF SETTING ADJUSTMENT OF THE POWER CONTROL LEVER ON THE ENGINE THROTTLE, SAID MEANS INCLUDING A PRE-SETTABLE MECHANISM WHICH IS ADJUSTABLE TO VARY THE EFFECTS OF BOTH THE POWER CONTROL LEVER AND THE DAY TEMPERATURE TRIM CONTROL ON THE ENGINE THROTTLE LEVER, SAID PRE-SETTABLE MECHANISM BEING SET IN ACCORDANCE WITH THE PARTICULAR FUEL REQUIREMENTS OF THE ENGINE, SAID MEANS BEING A MECHANICAL LINKAGE INCLUDING A LEVER HAVING A SWINGING AXIS AND A FURTHER PART PIVOTED TO THE LEVER, THE PRESETTABLE MECHANISM FORMING THE PIVOTAL CONNECTION BETWEEN SAID LEVER OF THE LINKAGE AND SAID PART OF THE LINKAGE AND ON ADJUSTMENT VARYING THE RADIAL DISTANCE BETWEEN THE SWINGING AXIS OF THE LEVER AND THE POINT OF
Claim 2
Dependent Claim
206 words
A GAS TURBINE ENGINE FUEL SYSTEM COMPRISING AN ENGINE THROTTLE ADJUSTABLE TO VARY THE FUEL FLOW TO THE ENGINE, A POWER CONTROL LEVER SETTABLE TO SELECT THE DESIRED POWER OUTPUT OF THE ENGINE, MEANS CONNECTING SAID POWER CONTROL LEVER TO SAID ENGINE THROTTLE AND TRANSMITTING SETTING ADJUSTMENTS OF THE POWER CONTROL LEVER TO ADJUST THE ENGINE THROTTLE, A DAY TEMPERATURE TRIM CONTROL ADJUSTABLE IN A PLURALITY OF SETTINGS IN ACCORDANCE WITH DAY TEMPERATURE, SAID DAY TEMPERATURE TRIM CONTROL BEING CONNECTED TO ADJUST SAID MEANS IN THE SENSE TO VARY THE EFFECT OF SETTING ADJUSTMENT OF THE POWER CONTROL LEVER ON THE ENGINE THROTTLE, SAID MEANS INCLUDING A PRE-SETTABLE MECHANISM WHICH IS ADJUSTABLE TO VARY THE EFFECTS OF BOTH THE POWER CONTROL LEVER AND THE DAY TEMPERATURE TRIM CONTROL ON THE ENGINE THROTTLE LEVER, SAID PRE-SETTABLE MECHANISM BEING SET IN ACCORDANCE WITH THE PARTICULAR FUEL REQUIREMENTS OF THE ENGINE, SAID MEANS BEING A MECHANICAL LINKAGE INCLUDING A LEVER HAVING A SWINGING AXIS AND A FURTHER PART PIVOTED TO THE LEVER, THE PRESETTABLE MECHANISM FORMING THE PIVOTAL CONNECTION BETWEEN SAID LEVER OF THE LINKAGE AND SAID PART OF THE LINKAGE AND ON ADJUSTMENT VARYING THE RADIAL DISTANCE BETWEEN THE SWINGING AXIS OF THE LEVER AND THE POINT OF
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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) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |