US3098176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric long range speed governor
Assignee: General Electric Co
•
Filing: 1961-01-03
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Granted: 1963-07-16
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 Markus A Eggenberger
- 👤 Paul H Troutman
- 👤 Josef J Sauter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:20
CPC Classifications
H; H02; H02P; H02P23/00; H02P23/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A CONTROL SYSTEM FOR A PRIM MOVER OF THE TYPE HAVING VALVE MEANS FOR CONTROLLING THE ADMISSION OF MOTIVE FLUID TO THE PRIME MOVER TO THEREBY CONTROL ITS SPEED OF OPERATION, THE COMBINATION INCLUDING ELECTRICALLY DRIVEN MOTOR MEANS OPERATIVELY COUPLED TO SAID VALUE MEANS FOR MOVING THE SAME, AND AN ACCELERATION CONTROL CIRCUIT ELECTRICALLY COUPLED TO SAID MOTOR MEANS FOR CONTROLLING ITS OPERATION, SAID ACCELERATION CONTROL CIRCUIT COMPRISING A FIRST VARIABLE SOURCE OF ELECTRIC POTENTIAL FOR SUPPLYING A FIRST ELECTRIC POTENTIAL REPRESENTATIVE OF A DESIRED FINAL SPEED, AND MEANS CONTROLLED BY SAID FIRST ELECTRIC POTENTIAL FOR DEVELOPING A VARYING REFERENCE ELECTRIC POTENTIAL THAT VARIES AT A PRESET RATE, SAID VARYING REFERENCE ELECTRIC POTENTIAL BEING USED TO CONTROL SAID MOTOR MEANS.
Claim 2
Dependent Claim
121 words
IN A CONTROL SYSTEM FOR A PRIM MOVER OF THE TYPE HAVING VALVE MEANS FOR CONTROLLING THE ADMISSION OF MOTIVE FLUID TO THE PRIME MOVER TO THEREBY CONTROL ITS SPEED OF OPERATION, THE COMBINATION INCLUDING ELECTRICALLY DRIVEN MOTOR MEANS OPERATIVELY COUPLED TO SAID VALUE MEANS FOR MOVING THE SAME, AND AN ACCELERATION CONTROL CIRCUIT ELECTRICALLY COUPLED TO SAID MOTOR MEANS FOR CONTROLLING ITS OPERATION, SAID ACCELERATION CONTROL CIRCUIT COMPRISING A FIRST VARIABLE SOURCE OF ELECTRIC POTENTIAL FOR SUPPLYING A FIRST ELECTRIC POTENTIAL REPRESENTATIVE OF A DESIRED FINAL SPEED, AND MEANS CONTROLLED BY SAID FIRST ELECTRIC POTENTIAL FOR DEVELOPING A VARYING REFERENCE ELECTRIC POTENTIAL THAT VARIES AT A PRESET RATE, SAID VARYING REFERENCE ELECTRIC POTENTIAL BEING USED TO CONTROL SAID MOTOR MEANS.
References Cited (Backward Citations)
US2824422A
Cited
US2919384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |