US3373724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection and ignition device for internal combustion engines
Assignee: Individual
•
Filing: 1965-02-08
•
Granted: 1968-03-19
•
Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Papst Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:25
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/02; F02N19/04; F02N19/06; F02N19/08; F02B; F02B23/00; F02M; F02M57/00; F02M57/06; F23; F23Q; F23Q7/00; F23Q7/001; H; H05; H05B; H05B3/00; H05B3/40; H05B3/42; F02B2720/00; F02B2720/25; F02B2720/257; F02B2720/258; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A UNITARY FUEL INJECTION AND IGNITION DEVICE FOR AN INTERNAL COMBUSTION ENGINE COMPRISING, IN COMBINATION, A BODY OF THERMALLY INSULATING MATERIAL AND FORMED WITH A FIRST BORE OF UNIFORM DIAMETER THERETHROUGH FORMING A CHAMBER OF SMALL VOLUME AND COMMUNICATING AT ONE END OF SAID FIRST BORE WITH THE COMBUSTION CHAMBER OF THE ENGINE; A PIN-SHAPED ELECTRICALLY HEATABLE IGNITER ELEMENT LOCATED WITH SMALL CLEARANCE IN A SECOND BORE FORMED IN SAID BODY INCLINED TO AND INTERSECTING SAID FIRST BORE IN SUCH A MANNER THAT THE TIP OF SAID ELEMENT IS LOCATED AT THE INTERSECTION OF SAID SECOND AND SAID FIRST BORE SUBSTANTIALLY ALIGNED WITH THE SURFACE OF THE LATTER; NOZZLE MEANS COMMUNICATING WITH THE OTHER END OF SAID FIRST BORE FOR INTERMITTENTLY INJECTING FUEL THEREINTO; ELONGATED GUIDE MEANS COAXIALLY ARRANGED WITH SAID NOZZLE MEANS PROJECTING THEREFROM PAST SAID TIP TO SAID IGNITER ELEMENT AT LEAST TO SAID ONE END OF SAID BORE FOR GUIDING A JET OF FUEL INJECTED BY THE NOZZLE MEANS CLOSELY SPACED FROM
Claim 2
Dependent Claim
165 words
A UNITARY FUEL INJECTION AND IGNITION DEVICE FOR AN INTERNAL COMBUSTION ENGINE COMPRISING, IN COMBINATION, A BODY OF THERMALLY INSULATING MATERIAL AND FORMED WITH A FIRST BORE OF UNIFORM DIAMETER THERETHROUGH FORMING A CHAMBER OF SMALL VOLUME AND COMMUNICATING AT ONE END OF SAID FIRST BORE WITH THE COMBUSTION CHAMBER OF THE ENGINE; A PIN-SHAPED ELECTRICALLY HEATABLE IGNITER ELEMENT LOCATED WITH SMALL CLEARANCE IN A SECOND BORE FORMED IN SAID BODY INCLINED TO AND INTERSECTING SAID FIRST BORE IN SUCH A MANNER THAT THE TIP OF SAID ELEMENT IS LOCATED AT THE INTERSECTION OF SAID SECOND AND SAID FIRST BORE SUBSTANTIALLY ALIGNED WITH THE SURFACE OF THE LATTER; NOZZLE MEANS COMMUNICATING WITH THE OTHER END OF SAID FIRST BORE FOR INTERMITTENTLY INJECTING FUEL THEREINTO; ELONGATED GUIDE MEANS COAXIALLY ARRANGED WITH SAID NOZZLE MEANS PROJECTING THEREFROM PAST SAID TIP TO SAID IGNITER ELEMENT AT LEAST TO SAID ONE END OF SAID BORE FOR GUIDING A JET OF FUEL INJECTED BY THE NOZZLE MEANS CLOSELY SPACED FROM
References Cited (Backward Citations)
US2075911A
Cited
US1223124A
Cited
US1432214A
Cited
US1463855A
Cited
US1609688A
Cited
US1963578A
Cited
US2030937A
Cited
US2142280A
Cited
US2057318A
Cited
US2130365A
Cited
US2229552A
Cited
DE905907C
Cited
FR1274295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |