Camshaft having adjustable cams that can be oiled by means of pressure oil
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 1, 2016
Grant Date -
Apr 2, 2015
app pub date -
Mar 27, 2013
filing date -
Apr 24, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to an adjustable camshaft for the valve gear of an internal combustion engine, comprising an outer shaft, on which at least one first cam is arranged and connected to the outer shaft in a rotationally fixed manner, and an inner shaft extending through the outer shaft, to which inner shaft at least one second cam is connected in a rotationally fixed manner, wherein the second cam connected to the inner shaft in a rotationally fixed manner has a cam hole and is rotatably supported on a seating point on the outer shaft. According to the invention, at least one oil groove is introduced at the seating point in the outer shaft and/or in the inner wall of the cam hole, into which oil groove oil is guided from a gap between the outer shaft and the inner shaft through at least one passage extending through the outer shaft.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2013 Application Filing Year
- F01L Class
- 369 Applications Filed
- 352 Patents Issued To-Date
- 95.40 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F01L Class
- 15.12 % 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 | Sep 1, 2027 |
