Patent US2443643A successfully refreshed from Google Patents.
Patent US3194162A successfully refreshed from Google Patents.
US3194162A
Expired / Lapsed
US
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Piezoelectric fuel injector
Assignee: Clevite Corp
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Filing: 1962-11-15
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Granted: 1965-07-13
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Expires: 1982-11-15
Abstract
No abstract record available.
Inventors
- 👤 Alfred L W Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:41
CPC Classifications
F; F02; F02M; F02M51/00; F02M51/04; F02M61/00; F02M61/04; F02M61/08; F02M63/00; F02M63/06; F02M2200/00; F02M2200/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A FUEL PUMP SUITABLE FOR USE AS A FUEL INJECTOR FOR AN INTERNAL COMBUSTION ENGINE COMPRISING, IN COMBINATION: A HOSUING HAVING A FUEL INLET CONNECTABLE TO A FLUID FUEL SOURCE AND A FUEL OUTLET AND A CHAMBER THEREBETWEEN; PIZOELECTRIC MEANS DISPOSED IN OPERATIVE RELATION TO SAID HOUSING AND MORE PARTICULARLY TO SAID CHAMBER, SAID MEANS BEING PIEZOELECTRICALLY RESPONSIVE TO EXPAND AND CONTRACT ALONG A PREDETERMINED AXIS UPON EXCITATION THEREOF; MEANS, INCLUDING A CHECK VALE, AND A PISTON IN OPERATIVE RELATION WITH SAID PIEZOELECTRIC MEANS AND DISPOSED PROXIMATE TO SAID CHAMBER, SAID MEANS BEING EFFECTIVE TO SEQUENTIALLY INTERRUPT FLUID COMMUNICATION BETWEEN SAID FLUID INLET AND FLUID OUTLET AND PRESSURIZE FLUID WITHIN THE CHAMBER; AND VALVE MEANS AFFIXED TO SAID FUE OUTLET FOR NORMALLY CLOSING SAID OUTLET, BUT TO PERMIT FLUID PASSAGE THERETHROUGH IN RESPONSE TO A PREDETERMINED PRESSURE WITHIN SAID CHAMBER.
Claim 2
Dependent Claim
140 words
A FUEL PUMP SUITABLE FOR USE AS A FUEL INJECTOR FOR AN INTERNAL COMBUSTION ENGINE COMPRISING, IN COMBINATION: A HOSUING HAVING A FUEL INLET CONNECTABLE TO A FLUID FUEL SOURCE AND A FUEL OUTLET AND A CHAMBER THEREBETWEEN; PIZOELECTRIC MEANS DISPOSED IN OPERATIVE RELATION TO SAID HOUSING AND MORE PARTICULARLY TO SAID CHAMBER, SAID MEANS BEING PIEZOELECTRICALLY RESPONSIVE TO EXPAND AND CONTRACT ALONG A PREDETERMINED AXIS UPON EXCITATION THEREOF; MEANS, INCLUDING A CHECK VALE, AND A PISTON IN OPERATIVE RELATION WITH SAID PIEZOELECTRIC MEANS AND DISPOSED PROXIMATE TO SAID CHAMBER, SAID MEANS BEING EFFECTIVE TO SEQUENTIALLY INTERRUPT FLUID COMMUNICATION BETWEEN SAID FLUID INLET AND FLUID OUTLET AND PRESSURIZE FLUID WITHIN THE CHAMBER; AND VALVE MEANS AFFIXED TO SAID FUE OUTLET FOR NORMALLY CLOSING SAID OUTLET, BUT TO PERMIT FLUID PASSAGE THERETHROUGH IN RESPONSE TO A PREDETERMINED PRESSURE WITHIN SAID CHAMBER.
References Cited (Backward Citations)
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |