US3186386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined fuel injection and ignition system for internal combustion engines
Assignee: Individual
•
Filing: 1962-11-14
•
Granted: 1965-06-01
•
Expires: 1982-11-14
Abstract
No abstract record available.
Inventors
- 👤 Papst Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:41
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/44; F02M59/48; F02M59/485; F02M57/00; F02M57/06; F02M59/18; F02P; F02P19/00; F02P3/00; F02P3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A METHOD OF IGNITING THE FUEL INJECTED INTO AN INTERNAL COMBUSTION ENGINE COMPRISING THE STEPS OF INTERMITTENTLY PRODUCING STREAMS OF FUEL UNDER PRESSURE; FEEDING ONE PART OF EACH STREAM INTO THE CYLINDER OF AN INTERNAL COMBUSTION ENGINE AND PRODUCING WITH ANOTHER PART OF EACH STREAM A PRESSURE IMPULSE ON A PIEZO-ELECTRIC MEMBER TO THEREBY PRODUCE A HIGH VOLTAGE ELECTRIC CURRENT; AND FEEDING THE THUS PRODUCED ELECTRIC CURRENT TO THE POINT OF ENTRY OF SAID ONE PART OF EACH FUEL STREAM INTO THE CYLINDER TO THE INTERNAL COMBUSTION ENGINE TO IGNITE THE FUEL STREAM SUBSTANTIALLY AT THE MOMENT OF ENTRY.
Claim 2
Independent Claim
99 words
A METHOD OF IGNITING THE FUEL INJECTED INTO AN INTERNAL COMBUSTION ENGINE COMPRISING THE STEPS OF INTERMITTENTLY PRODUCING STREAMS OF FUEL UNDER PRESSURE; FEEDING ONE PART OF EACH STREAM INTO THE CYLINDER OF AN INTERNAL COMBUSTION ENGINE AND PRODUCING WITH ANOTHER PART OF EACH STREAM A PRESSURE IMPULSE ON A PIEZO-ELECTRIC MEMBER TO THEREBY PRODUCE A HIGH VOLTAGE ELECTRIC CURRENT; AND FEEDING THE THUS PRODUCED ELECTRIC CURRENT TO THE POINT OF ENTRY OF SAID ONE PART OF EACH FUEL STREAM INTO THE CYLINDER TO THE INTERNAL COMBUSTION ENGINE TO IGNITE THE FUEL STREAM SUBSTANTIALLY AT THE MOMENT OF ENTRY.
References Cited (Backward Citations)
US2718883A
Cited
US2248574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |