INTERNAL COMBUSTION ENGINE HAIVNG CYLINDER DEACTIVATION

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20130037005A1
SERIAL NO

13575552

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An internal combustion engine (1) having at least two cylinders (4) or at least two groups (2, 3) of cylinders (4), of which at least one is electronically deactivatable, has at least one inlet strand (5, 6) and at least one outlet strand (7, 8). In order to improve the quality of the operating noise in the interior of a passenger cell, at least one inlet strand (5, 6) of at least one deactivated cylinder (4) can be acoustically connected via at least one sound conducting apparatus (21, 22) to an inner chamber (20) of a vehicle (19).

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Patent Owner(s)

Patent OwnerAddress
AVL LIST GMBHHANS-LIST-PLATZ 1 GRAZ 8020

International Classification(s)

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  • 2011 Application Filing Year
  • F02D Class
  • 1165 Applications Filed
  • 960 Patents Issued To-Date
  • 82.41 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20112012201320142015201620172018201920200255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Graf, Bernhard Graz, AT 13 560
Kapus, Paul Judendorf, AT 18 85

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Patent Citation Ranking

  • 5 Citation Count
  • F02D Class
  • 3.33 % this patent is cited more than
  • 12 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1118982288434101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 800102030405060708090100110120130140150160170180190200

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