US2744507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for treating liquid fuel before its injection into the working cylinder of internal combustion engines
Assignee: INCONEX HANDELSGES M B H fur I
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Filing: 1951-02-07
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Granted: 1956-05-08
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Expires: 1971-02-07
Abstract
No abstract record available.
Inventors
- 👤 Huber Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:50
CPC Classifications
F; F02; F02M; F02M53/00; F02M53/04; F02M2700/00; F02M2700/07; F02M2700/077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A DEVICE FOR THE PURPOSE DESCRIBED ADAPTED TO BE FITTED IN THE HEAD OF A CYLINDER OF AN INTERNAL COMBUSTION ENGINE, SAID DEVICE INCLUDING AN INJECTION PLUG HAVING ONE END THREADED FOR SCREWING INTO THE CYLINDER HEAD, A VALVE CASING PROJECTING AXIALLY FROM THE THREADED END OF THE PLUG AND ADAPTED TO EXTEND INTO THE COMPRESSION SPACE OF THE CYLINDER, SAID CASING HAVING A FRUSTO-CONICAL VALVE SEAT AT ITS FREE EXTREMITY, SAID PLUG HAVING AN AXIAL FUEL INLET PASSAGE COMMUNICATING WITH SAID CASING, A VALVE STEM RECIPROCABLE IN THE CASING AND AFFORDING A COMMUNICATING CLEARANCE WITH SAID CASING BETWEEN SAID PASSAGE AND THE VALVE SEAT END OF THE CASING, A FRUSTO-CONICAL VALVE ON THE END OF SAID STEM AND NORMALLY CLOSING ON SAID SEAT, AND HEAT ABSORBING FINS SURROUNDING THE VALVE CASING, SAID VALVE STEM AND CASING BEING SO DISPOSED THAT SAID COMMUNICATION BETWEEN THE FUEL INLET PASSAGE AND THE VALVE COMPRISES AN ELONGATED NARROW ANNULAR SPACE ADAPTED TO MAINTAIN FUEL ACCMULATED THEREIN IN A THIN LAYER WHILE DISPOSED IN HEAT EXCHANGE RELATION WITH SAID HEAT ABSORBING FINS AND VALVE CASING.
Claim 2
Independent Claim
181 words
A DEVICE FOR THE PURPOSE DESCRIBED ADAPTED TO BE FITTED IN THE HEAD OF A CYLINDER OF AN INTERNAL COMBUSTION ENGINE, SAID DEVICE INCLUDING AN INJECTION PLUG HAVING ONE END THREADED FOR SCREWING INTO THE CYLINDER HEAD, A VALVE CASING PROJECTING AXIALLY FROM THE THREADED END OF THE PLUG AND ADAPTED TO EXTEND INTO THE COMPRESSION SPACE OF THE CYLINDER, SAID CASING HAVING A FRUSTO-CONICAL VALVE SEAT AT ITS FREE EXTREMITY, SAID PLUG HAVING AN AXIAL FUEL INLET PASSAGE COMMUNICATING WITH SAID CASING, A VALVE STEM RECIPROCABLE IN THE CASING AND AFFORDING A COMMUNICATING CLEARANCE WITH SAID CASING BETWEEN SAID PASSAGE AND THE VALVE SEAT END OF THE CASING, A FRUSTO-CONICAL VALVE ON THE END OF SAID STEM AND NORMALLY CLOSING ON SAID SEAT, AND HEAT ABSORBING FINS SURROUNDING THE VALVE CASING, SAID VALVE STEM AND CASING BEING SO DISPOSED THAT SAID COMMUNICATION BETWEEN THE FUEL INLET PASSAGE AND THE VALVE COMPRISES AN ELONGATED NARROW ANNULAR SPACE ADAPTED TO MAINTAIN FUEL ACCMULATED THEREIN IN A THIN LAYER WHILE DISPOSED IN HEAT EXCHANGE RELATION WITH SAID HEAT ABSORBING FINS AND VALVE CASING.
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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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |