Patent US3368346A successfully refreshed from Google Patents.
US3368346A
Expired / Lapsed
US
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Synchronising control means for multiple gas turbine engine installations
Assignee: ZF International UK Ltd
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Filing: 1966-06-21
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Granted: 1968-02-13
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Expires: 1986-06-21
Abstract
No abstract record available.
Inventors
- 👤 Warne Eugene Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:38
CPC Classifications
B; B64; B64D; B64D31/00; B64D31/02; B64D31/06; B64D31/12; F; F02; F02C; F02C9/00; F02C9/26; F02C9/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A CONTROL MEANS FOR AN INSTALLATION COMPRISING A PLURALITY OF GAS TURBINE ENGINES, ARRANGED TO PERFORM WORK UPON A COMMON LOAD, A PLURALITY OF POWER CONTROL DEVICES ASSOCIATED WITH THE ENGINES RESPECTIVELY, SAID POWER CONTROL DEVICES BEING RESPONSIVE TO CHANGES IN THE PRESSURES OF AIR LEAVING COMPRESSORS IN THE RESPECTIVE ENGINES, TO CONTROL THE SUPPLY OF FUEL TO THE ENGINES RESPECTIVELY, SAID CONTROL MEANS COMPRISING A PLURALITY OF VALVE MEANS ASSOCIATED WITH THE ENGINES RESPECTIVELY, SAID VALVE MEANS BEING RESPONSIVE TO CHANGES IN THE ASSOCIATED ENGINE COMPRESSOR PRESSURE TO MODIFY THE RESPONSE OF THE POWER CONTROL DEVICES TO THE COMPRESSOR PRESSURES OF THE ENGINES RESPECTIVELY, AND A VARIABLE CONTROL VALVE ARRANGED TO SET THE VALUE OF A REFERENCE PRESSURE APPLIED TO ALL SAID VALVE MEANS, ANY CHANGE IN ANY COMPRESSOR PRESSURE VARYING
Claim 2
Dependent Claim
132 words
A CONTROL MEANS FOR AN INSTALLATION COMPRISING A PLURALITY OF GAS TURBINE ENGINES, ARRANGED TO PERFORM WORK UPON A COMMON LOAD, A PLURALITY OF POWER CONTROL DEVICES ASSOCIATED WITH THE ENGINES RESPECTIVELY, SAID POWER CONTROL DEVICES BEING RESPONSIVE TO CHANGES IN THE PRESSURES OF AIR LEAVING COMPRESSORS IN THE RESPECTIVE ENGINES, TO CONTROL THE SUPPLY OF FUEL TO THE ENGINES RESPECTIVELY, SAID CONTROL MEANS COMPRISING A PLURALITY OF VALVE MEANS ASSOCIATED WITH THE ENGINES RESPECTIVELY, SAID VALVE MEANS BEING RESPONSIVE TO CHANGES IN THE ASSOCIATED ENGINE COMPRESSOR PRESSURE TO MODIFY THE RESPONSE OF THE POWER CONTROL DEVICES TO THE COMPRESSOR PRESSURES OF THE ENGINES RESPECTIVELY, AND A VARIABLE CONTROL VALVE ARRANGED TO SET THE VALUE OF A REFERENCE PRESSURE APPLIED TO ALL SAID VALVE MEANS, ANY CHANGE IN ANY COMPRESSOR PRESSURE VARYING
References Cited (Backward Citations)
US3159000A
Cited
US3234740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |