Patent US3034833A successfully refreshed from Google Patents.
Patent US3332233A successfully refreshed from Google Patents.
US3332233A
Expired / Lapsed
US
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Isochronous governing device for engines employing modulation of fluid pressures
Assignee: Motors Liquidation Co
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Filing: 1965-07-01
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Granted: 1967-07-25
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Expires: 1985-07-01
Abstract
No abstract record available.
Inventors
- 👤 Mcqueen Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:11
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16; F02C9/26; F02C9/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
AN ISOCHRONOUS GOVERNING SYSTEM FOR A GAS TURBINE ENGINE COMPRISING, IN COMBINATION, A CONTROL DEVICE RESPONSIVE TO SPEED OF THE ENGINE, ENGINE FUEL CONTROLLING MEANS REGULATED BY THE CONTROL DEVICE, A DIFFERENTIAL PRESSURE RESPONSIVE DEVICE COUPLED TO THE FUEL CONTROLLING MEANS SO AS TO MODIFY ENGINE SPEED FROM THE RESULTING FROM ACTION OF THE CONTROL DEVICE, A GOVERNOR RESPONSIVE TO SPEED OF THE ENGINE, MEANS PROVIDING FLUID AT A REFERENCE PRESSURE, MEANS ACTUATED BY TEH GOVERNOR EFFECTIVE TO PROVIDE FLUID AT A CONTROL PRESSURE LESS THAN THE REFERENCE PRESSURE, THE REFERENCE AND CONTROL PRESSURES BEING SUPPLIED TO THE DIFFERENTIAL PRESSURE RESPONSIVE DEVICE SO THAT ENGINE SPEED IS VARIED PROGRESSIVELY WITH VARIATION IN THE DIFFERENCE BETWEEN THE TWO SAID PRESSURES,
Claim 2
Dependent Claim
119 words
AN ISOCHRONOUS GOVERNING SYSTEM FOR A GAS TURBINE ENGINE COMPRISING, IN COMBINATION, A CONTROL DEVICE RESPONSIVE TO SPEED OF THE ENGINE, ENGINE FUEL CONTROLLING MEANS REGULATED BY THE CONTROL DEVICE, A DIFFERENTIAL PRESSURE RESPONSIVE DEVICE COUPLED TO THE FUEL CONTROLLING MEANS SO AS TO MODIFY ENGINE SPEED FROM THE RESULTING FROM ACTION OF THE CONTROL DEVICE, A GOVERNOR RESPONSIVE TO SPEED OF THE ENGINE, MEANS PROVIDING FLUID AT A REFERENCE PRESSURE, MEANS ACTUATED BY TEH GOVERNOR EFFECTIVE TO PROVIDE FLUID AT A CONTROL PRESSURE LESS THAN THE REFERENCE PRESSURE, THE REFERENCE AND CONTROL PRESSURES BEING SUPPLIED TO THE DIFFERENTIAL PRESSURE RESPONSIVE DEVICE SO THAT ENGINE SPEED IS VARIED PROGRESSIVELY WITH VARIATION IN THE DIFFERENCE BETWEEN THE TWO SAID PRESSURES,
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |