Muffler having coupling of a tailpipe by means of a coupling chamber

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9133753
APP PUB NO 20150047922A1
SERIAL NO

14387375

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A muffler for an exhaust system of an internal combustion engine having a housing wall, having a muffler housing with at least one inlet pipe guided through the housing wall and at least one outlet pipe guided through the housing wall, wherein the inlet pipe has at least one outflow opening via which the exhaust gas can flow from the inlet pipe into the outlet pipe, whereby, within the muffler housing, at least one coupling chamber with a chamber wall is provided with a center axis, which forms a flow channel between the inlet pipe and the outlet, whereby the chamber wall encloses the inlet pipe or the outlet pipe in the receiving direction E1 with respect to the center axis and is connected only indirectly via the inlet pipe and the outlet pipe or a muffler housing intermediate wall in a form- or material-fitting manner to the housing wall, whereby the chamber wall of the coupling chamber has a diameter D and whereby the exhaust pipe has an outer diameter d, whereby for the ratio of D/d, 20/10>−D/d>=11/10 or 18/10>=D/d>=11/10 is valid.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
TENNECO GMBHLUITPOLDSTRASSE 83 EDENKOBEN 67480

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schwarzwälder, Stefan Landau, DE 1 1
Vollmer, Christoph Lustadt, DE 1 1

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Mar 15, 2023
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 15, 2027
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00