Patent US3080712A successfully refreshed from Google Patents.
US3080712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compressor anti-surge control for a gas turbine engine
Assignee: Continental Aviation and Engineering Corp
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Filing: 1959-02-05
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Granted: 1963-03-12
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Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 Homer J Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:17
CPC Classifications
F; F04; F04D; F04D27/00; F04D27/02; F04D27/0207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A CONTROL SYSTEM FOR A GAS TURBINE ENGINE HAVING A FUEL SYSTEM AND AN AIR COMPRESSOR CHARACTERIZED BY A PREDICTABLE TENDENCY TO DEVELOP COMPRESSOR SURGE CONDITIONS AT OPERATING RANGES PRODUCING A PREDETERMINED REDUCTION OF COMPRESSOR AIRFLOW, AND AIR INLET AND AN AIR DISCHARGE FOR SAID COMPRESSOR, SAID CONTROL SYSTEM COMPRISING FIRST MEANS VARIABLY INCREASING COMPRESSOR AIRFLOW TO AVOID SAID SURGE CONDITIONS A SERVO MEANS OPERATING SAID FIRST MEANS AND A SENSING MEANS AUTOMATICALLY CONTROLLING OPERATION OF SAID SERVO MEANS IN RESPONSE TO VARYING COMPRESSOR AIRFLOW SAID SENSING MEANS COMPRISING AN ACTUATING MEANS OPERABLY CONNECTED WITH SAID SERVO MEANS AND A PRESSURE RESPONSIVE MEANS ADJUSTING SAID ACTUATING MEANS IN RESPONSE TO CHANGES IN THE BALANCE OF TWO PRESSURE DIFFERENTIALS ONE OF SAID PRESSURE DIFFERENTIAL BEING
Claim 2
Dependent Claim
124 words
A CONTROL SYSTEM FOR A GAS TURBINE ENGINE HAVING A FUEL SYSTEM AND AN AIR COMPRESSOR CHARACTERIZED BY A PREDICTABLE TENDENCY TO DEVELOP COMPRESSOR SURGE CONDITIONS AT OPERATING RANGES PRODUCING A PREDETERMINED REDUCTION OF COMPRESSOR AIRFLOW, AND AIR INLET AND AN AIR DISCHARGE FOR SAID COMPRESSOR, SAID CONTROL SYSTEM COMPRISING FIRST MEANS VARIABLY INCREASING COMPRESSOR AIRFLOW TO AVOID SAID SURGE CONDITIONS A SERVO MEANS OPERATING SAID FIRST MEANS AND A SENSING MEANS AUTOMATICALLY CONTROLLING OPERATION OF SAID SERVO MEANS IN RESPONSE TO VARYING COMPRESSOR AIRFLOW SAID SENSING MEANS COMPRISING AN ACTUATING MEANS OPERABLY CONNECTED WITH SAID SERVO MEANS AND A PRESSURE RESPONSIVE MEANS ADJUSTING SAID ACTUATING MEANS IN RESPONSE TO CHANGES IN THE BALANCE OF TWO PRESSURE DIFFERENTIALS ONE OF SAID PRESSURE DIFFERENTIAL BEING
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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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |