Piston of an internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 11, 2016
Grant Date -
Apr 16, 2015
app pub date -
Apr 12, 2013
filing date -
Apr 13, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A piston of an internal combustion engine is disclosed. The piston may have a piston skirt having a central axis. The piston may also have a piston crown delimiting the piston skirt with a diameter D adjacent a top of the piston skirt. The piston crown may have an edge of the piston crown of width b and a piston crown recess of depth t. The piston crown recess may have a piston recess wall with an opening cross section of diameter d. At least one groove with an internal diameter dn may be provided within the edge of the piston crown. The at least one groove may run in a circumferential direction relative to the central axis. The internal diameter dn may be larger than the diameter d.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2013 Application Filing Year
- F02B Class
- 1008 Applications Filed
- 900 Patents Issued To-Date
- 89.29 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- F02B Class
- 12.84 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 11, 2028 |
