Patent US3288160A successfully refreshed from Google Patents.
US3288160A
Expired / Lapsed
US
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Acceleration limiting long range speed control
Assignee: General Electric Co
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Filing: 1964-04-01
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Granted: 1966-11-29
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Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Markus A Eggenberger
- 👤 Paul H Troutman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:45
CPC Classifications
F; F01; F01D; F01D19/00; F01D17/00; F01D17/20; F01D17/22; F01D17/24; H; H02; H02P; H02P23/00; H02P23/16; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/0989; Y10T137/1044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A CONTROL SYSTEM FOR A PRIME MOVER OF THE TYPE HAVING VALVE MEANS FOR CONTROLLING THE ADMISSION OF MOTIVE FLUID TO THE PRIME MOVER, THE COMBINATION OF: FIRST MEANS PROVIDING A FIRST ELECTRICAL SPEED ERROR SIGNAL REPRESENTATIVE OF THE DIFFENENCE BETWEEN DESIRED SPEED AND ACTUAL SPEED OF THE PRIME MOVER, INCLUDING CIRCUIT MEANS LIMITING SAID SPEED ERROR SIGNAL TO A MAXIMUM SELECTABLE VALUE, SECOND MEANS COMPARING SAID FIRST SIGNAL WITH AN ELECTRICAL ACCELERATION-RESPONSIVE SIGNAL TO PROVIDE A SECOND ERROR SIGNAL REPRESENTATIVE OF THE DIFFERENCE BETWEEN DESIRED ACCELERATION AND ACTUAL ACCELERATION WHEN THE FIRST SIGNAL IS LIMITED AND REPRESENTATIVE OF THE SPEED ERROR WHEN THE FIRST SIGNAL IS NOT LIMITED, AND
Claim 2
Dependent Claim
111 words
IN A CONTROL SYSTEM FOR A PRIME MOVER OF THE TYPE HAVING VALVE MEANS FOR CONTROLLING THE ADMISSION OF MOTIVE FLUID TO THE PRIME MOVER, THE COMBINATION OF: FIRST MEANS PROVIDING A FIRST ELECTRICAL SPEED ERROR SIGNAL REPRESENTATIVE OF THE DIFFENENCE BETWEEN DESIRED SPEED AND ACTUAL SPEED OF THE PRIME MOVER, INCLUDING CIRCUIT MEANS LIMITING SAID SPEED ERROR SIGNAL TO A MAXIMUM SELECTABLE VALUE, SECOND MEANS COMPARING SAID FIRST SIGNAL WITH AN ELECTRICAL ACCELERATION-RESPONSIVE SIGNAL TO PROVIDE A SECOND ERROR SIGNAL REPRESENTATIVE OF THE DIFFERENCE BETWEEN DESIRED ACCELERATION AND ACTUAL ACCELERATION WHEN THE FIRST SIGNAL IS LIMITED AND REPRESENTATIVE OF THE SPEED ERROR WHEN THE FIRST SIGNAL IS NOT LIMITED, AND
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |