Two-stroke engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 19, 2016
Grant Date -
Jan 8, 2015
app pub date -
Jan 31, 2013
filing date -
Feb 10, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
There is provided a two-stroke engine configured to effectively prevent blow-by of the scavenging air from the discharge port and to be able to improve the engine output while abating pollution. The two-stroke engine includes a cylinder having an exhaust port and a scavenging port, and a piston, wherein: the piston has a top surface; a piston concave portion is provided in the top surface in the discharge direction; an entire surface of the piston concave portion is formed in an approximately spherical shape; and a slope of the piston concave portion extending from an outer circumferential edge of the piston concave portion in the discharge direction to a deepest portion is steeper than a slope of the piston concave portion extending from an outer circumferential edge of the piston concave portion in the anti-discharge direction to the deepest portion.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully