US3125077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
figure
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:13
CPC Classifications
F; F02; F02B; F02B3/00; F02B2720/00; F02B2720/22; F02B2720/226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD FOR IMPROVING THE OPERATING CONDITIONS OF COMPRESSION-IGNITION ENGINES OF THE DIESEL TYPE THE WORK CYCLE OF WHICH COMPRISES A SCAVENGING PHASE, CONSISTING OF INJECTING THE TOTAL FUEL CHARGE DESTINED TO EACH CYLINDER IN TWO SUCCESSIVE FRACTIONS PER WORK CYCLE, THE FIRST OF WHICH IS INJECTED INTO AN AUXILIARY COMBUSTION CHAMBER COMMUNICATING WITH THE MAIN COMBUSTION CHAMBER BUT POSITIONED SUBSTANTIALLY APART FROM THE SCAVENGE ZONE, AT A MOMENT WHERE RESIDUAL GASES FROM THE END OF THE EXHAUST PERIOD ARE REMAINING IN SAID AUXILIARY CHAMBER
Claim 2
Independent Claim
85 words
A METHOD FOR IMPROVING THE OPERATING CONDITIONS OF COMPRESSION-IGNITION ENGINES OF THE DIESEL TYPE THE WORK CYCLE OF WHICH COMPRISES A SCAVENGING PHASE, CONSISTING OF INJECTING THE TOTAL FUEL CHARGE DESTINED TO EACH CYLINDER IN TWO SUCCESSIVE FRACTIONS PER WORK CYCLE, THE FIRST OF WHICH IS INJECTED INTO AN AUXILIARY COMBUSTION CHAMBER COMMUNICATING WITH THE MAIN COMBUSTION CHAMBER BUT POSITIONED SUBSTANTIALLY APART FROM THE SCAVENGE ZONE, AT A MOMENT WHERE RESIDUAL GASES FROM THE END OF THE EXHAUST PERIOD ARE REMAINING IN SAID AUXILIARY CHAMBER
References Cited (Backward Citations)
FR742738A
Cited
US959951A
Cited
US1392556A
Cited
US2914042A
Cited
US2914043A
Cited
US2902011A
Cited
US2960079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |