US3249098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical governor system
Assignee: Ambac International Corp
•
Filing: 1963-12-02
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Granted: 1966-05-03
•
Expires: 1983-12-02
Abstract
No abstract record available.
Inventors
- 👤 Merton I Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:50
CPC Classifications
F; F02; F02D; F02D41/00; F02D41/30; F02D31/00; F02D31/001; F02D31/002; H; H02; H02P; H02P23/00; H02P23/22; H02P29/00; H02P29/0016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
ELECTRICAL GOVERNOR APPARATUS FOR AN ENGINE, COMPRISING: MEANS FOR GENERATING ELECTRICAL SIGNALS CONTAINING VERIATIONS RECURRENT AT A RATE VARYING WITH THE SPEED OF AN ENGINE TO BE GOVERNED; REACTIVE MEANS SUPPLIED WITH SAID SIGNALS AND RESPONSIVE THERETO TO PRODUCE CORRESPONDING ELECTRICAL OUTPUT SIGNALS CONTAINING VARIATIONS WHICH ARE RECURRENT AT SAID RATE AND WHICH HAVE A MAGNITUDE VARYING WITH SAID RATE OVER A PREDETERMINED RANGE OF SAID RATES; RECTIFYING AND FILTERING MEANS SUPPLIED WITH SAID OUTPUT SIGNALS FOR DERIVING THEREFROM A RECTIFIED AND SMOOTHED ELECTRICAL CONTROL SIGNAL HAVING A LEVEL VARYING WITH SAID RATE OVER SAID RANGE BUT FROM WHICH VARIATIONS AT SAID RATE ARE SUBSTANTIALLY ELIMINATED; A D.C. AMPLIFIER SUPPLIED WITH SAID CONTROL SIGNAL AND RESPONSIVE THERETO TO PRODUCE AN ACTUATING SIGNAL VARYING IN ACCORDANCE WITH THE LEVEL OF SAID CONTROL SIGNAL BUT OF HIGHER POWER;
Claim 2
Dependent Claim
136 words
ELECTRICAL GOVERNOR APPARATUS FOR AN ENGINE, COMPRISING: MEANS FOR GENERATING ELECTRICAL SIGNALS CONTAINING VERIATIONS RECURRENT AT A RATE VARYING WITH THE SPEED OF AN ENGINE TO BE GOVERNED; REACTIVE MEANS SUPPLIED WITH SAID SIGNALS AND RESPONSIVE THERETO TO PRODUCE CORRESPONDING ELECTRICAL OUTPUT SIGNALS CONTAINING VARIATIONS WHICH ARE RECURRENT AT SAID RATE AND WHICH HAVE A MAGNITUDE VARYING WITH SAID RATE OVER A PREDETERMINED RANGE OF SAID RATES; RECTIFYING AND FILTERING MEANS SUPPLIED WITH SAID OUTPUT SIGNALS FOR DERIVING THEREFROM A RECTIFIED AND SMOOTHED ELECTRICAL CONTROL SIGNAL HAVING A LEVEL VARYING WITH SAID RATE OVER SAID RANGE BUT FROM WHICH VARIATIONS AT SAID RATE ARE SUBSTANTIALLY ELIMINATED; A D.C. AMPLIFIER SUPPLIED WITH SAID CONTROL SIGNAL AND RESPONSIVE THERETO TO PRODUCE AN ACTUATING SIGNAL VARYING IN ACCORDANCE WITH THE LEVEL OF SAID CONTROL SIGNAL BUT OF HIGHER POWER;
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |