US3400697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed control device
Assignee: International Motors LLC
•
Filing: 1964-12-23
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Granted: 1968-09-10
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Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Cupit Carl
- 👤 Christopher J Oliva
- 👤 Jr Charles Broad
- 👤 Ralph A Gritchen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:47
CPC Classifications
G; G05; G05D; G05D13/00; G05D13/08; G05D13/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A CENTRIFUGAL GOVERNOR INCLUDING A HOUSING, A FUEL CONTROL MEMBER, ENGINE ACTUATED CENTRIFUGAL FLYWEIGHTS ACTING ON SAID MEMBER TO MOVE IT TOWARD A LOWER FUEL POSITION, A FIRST GOVERNOR SPRING OPPOSING THE ACTION OF THE FLYWEIGHTS SAID SPRING HAVING FIRST AND SECOND ENDS, SAID FIRST END BEING CONNECTED WITH SAID FUEL CONTROL MEMBER TO URGE IT TOWARD A FULLER FUEL POSITION, SAID SECOND END BEING CONNECTED TO SAID HOUSING, THE IMPROVEMENT COMPRISING: A SECOND GOVERNOR SPRING INTERCONNECTED DIRECTLY TO SAID SECOND END OF SAID FIRST GOVERNOR SPRING AND SAID HOUSING AND ADAPTED TO COOPERATE WITH SAID FIRST GOVERNOR SPRING IN OPPOSING THE ACTION OF THE FLYWEIGHTS, SAID SECOND GOVERNOR SPRING BEING RELATIVELY WEAKER THAN SAID FIRST GOVERNOR SPRING AND BEING ADAPTED TO OPPOSE THE ACTION OF SAID FLYWEIGHTS; AND STOP MEANS TO RENDER SAID SECOND GOVERNOR SPRING INEFFECTIVE WHEN SAID MEMBER APPROACHES A PREDETERMINED POSITION CORRESPONDING TO A PREDETERMINED ENGINE SPEED.
Claim 2
Dependent Claim
152 words
IN A CENTRIFUGAL GOVERNOR INCLUDING A HOUSING, A FUEL CONTROL MEMBER, ENGINE ACTUATED CENTRIFUGAL FLYWEIGHTS ACTING ON SAID MEMBER TO MOVE IT TOWARD A LOWER FUEL POSITION, A FIRST GOVERNOR SPRING OPPOSING THE ACTION OF THE FLYWEIGHTS SAID SPRING HAVING FIRST AND SECOND ENDS, SAID FIRST END BEING CONNECTED WITH SAID FUEL CONTROL MEMBER TO URGE IT TOWARD A FULLER FUEL POSITION, SAID SECOND END BEING CONNECTED TO SAID HOUSING, THE IMPROVEMENT COMPRISING: A SECOND GOVERNOR SPRING INTERCONNECTED DIRECTLY TO SAID SECOND END OF SAID FIRST GOVERNOR SPRING AND SAID HOUSING AND ADAPTED TO COOPERATE WITH SAID FIRST GOVERNOR SPRING IN OPPOSING THE ACTION OF THE FLYWEIGHTS, SAID SECOND GOVERNOR SPRING BEING RELATIVELY WEAKER THAN SAID FIRST GOVERNOR SPRING AND BEING ADAPTED TO OPPOSE THE ACTION OF SAID FLYWEIGHTS; AND STOP MEANS TO RENDER SAID SECOND GOVERNOR SPRING INEFFECTIVE WHEN SAID MEMBER APPROACHES A PREDETERMINED POSITION CORRESPONDING TO A PREDETERMINED ENGINE SPEED.
References Cited (Backward Citations)
US1325479A
Cited
US2507689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |