Active muffler
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 22, 2011
Grant Date -
Oct 15, 2009
app pub date -
Apr 9, 2009
filing date -
Apr 9, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention to an active muffler for an exhaust gas system of an internal combustion engine, in particular in a motor vehicle, includes a multi-shell housing having a pot-shaped top shell and a pot-shaped bottom shell, a funnel-shaped sound conducting body, which is inserted into the bottom shell and has a connection passing through the bottom shell and out of the housing, a loudspeaker, which is situated in the top shell and is attached to a flange section of the sound conducting body at a distance from the connection, such that a free inside cross section of the sound conducting body surrounded by the flange section is closed with an airtight seal, and a bypass through which an interior space of the top shell is connected to an interior space of the bottom shell so they communicate.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
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