Variable valve mechanism of internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 10, 2017
Grant Date -
Apr 21, 2016
app pub date -
Sep 16, 2015
filing date -
Oct 21, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention provides a variable valve mechanism, which includes a rocker arm including an input member and an output member; a switching device that switches a drive state of the valve by displacing the switching pin between a coupling position at which the switching pin extends between the first pinhole in the input member and the second pin hole in the output member and a non-coupling position at which the switching pin does not extend; and a lost motion spring. A displacement clearance is formed between an inner peripheral surface of the first or second pin hole and an outer peripheral surface of the switching pin to permit the relative displacement in a range of the displacement clearance at a coupled time so that a tappet clearance is not formed with the input member urged toward the cam by the lost motion spring.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2015 Application Filing Year
- F01L Class
- 509 Applications Filed
- 455 Patents Issued To-Date
- 89.40 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F01L Class
- 0 % this patent is cited more than
- 8 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 | Jul 10, 2028 |
