Patent US3288124A successfully refreshed from Google Patents.
US3288124A
Expired / Lapsed
US
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Pump governor
Assignee: HARTFORD MACHINE SCREW CO
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Filing: 1963-07-12
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Granted: 1966-11-29
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Expires: 1983-07-12
Abstract
No abstract record available.
Inventors
- 👤 Vernon D Roosa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:33
CPC Classifications
F; F02; F02D; F02D1/00; F02D1/02; F02D1/08; F02D1/12; F02D1/10; F02D29/00; F02D29/06; F02M; F02M41/00; F02M41/08; F02M41/14; F02M41/1405; F02M41/1411; F02M41/1427; F02M59/00; F02M59/44; F02M59/447; F02M2041/1438; F02M2041/1444; F02M2041/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, A FLYWEIGHT GOVERNOR PRO VIDING A PRIMARY CONTROL OF THE ENGINE FUEL SUPPLY, A CONTROL FLUID HAVING A PRESSURE WHICH IS A FUNCTION OF ENGINE SPEED, GOVERNOR BOOST MEANS RESPONSIVE TO THE CONTROL FLUID PROVIDING A SECONDARY CONTROL OF THE ENGINE FUEL SUPPLY, AND MEANS FOR MANUALLY ADJUSTING THE SECONDARY CONTROL OF THE GOVERNOR BOOST MEANS TO PROVIDE A PREDETERMINED ENGINE DROOP.
Claim 2
Dependent Claim
72 words
IN A FUEL INJECTION SYSTEM FOR AN INTERNAL COMBUSTION ENGINE, A FLYWEIGHT GOVERNOR PRO VIDING A PRIMARY CONTROL OF THE ENGINE FUEL SUPPLY, A CONTROL FLUID HAVING A PRESSURE WHICH IS A FUNCTION OF ENGINE SPEED, GOVERNOR BOOST MEANS RESPONSIVE TO THE CONTROL FLUID PROVIDING A SECONDARY CONTROL OF THE ENGINE FUEL SUPPLY, AND MEANS FOR MANUALLY ADJUSTING THE SECONDARY CONTROL OF THE GOVERNOR BOOST MEANS TO PROVIDE A PREDETERMINED ENGINE DROOP.
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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) | 1969-11-28 | 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 |