Engine control system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 5, 2023
Grant Date -
N/A
app pub date -
Mar 23, 2023
filing date -
May 24, 2022
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A control system for an engine including intake and exhaust valve phase variable devices and a control device is provided. At an engine temperature below a first determination temperature, the control is performed so that an exhaust valve close timing is at or retarded from the exhaust top dead center, an intake valve open timing is retarded from the exhaust valve close timing, and the fuel supply to the combustion chamber starts in an intake stroke on a retarding side of the exhaust valve close timing. At the engine temperature above the first determination temperature and below a second determination temperature, the control is performed so that a negative overlap with both the exhaust and intake valves closed during a period including the exhaust top dead center, or a positive overlap with both the exhaust and intake valves opened during a period including the exhaust top dead center, occurs.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2023 Application Filing Year
- F02P Class
- 54 Applications Filed
- 30 Patents Issued To-Date
- 55.56 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F02P Class
- 0 % this patent is cited more than
- 2 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jun 5, 2027 |
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