Methods and systems for engine exhaust catalyst operations

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United States of America Patent

PATENT NO 11519313
SERIAL NO

17444471

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Abstract

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Methods and systems are provided for expediting exhaust catalyst light-off prior to an anticipated engine cold-start event. In one example, a method may include, in anticipation of an engine cold-start, preemptively operating an electric booster and routing compressed air to the catalyst to increase a temperature of the exhaust catalyst while maintaining the engine inactive.

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Patent Owner(s)

Patent OwnerAddress
FORD GLOBAL TECHNOLOGIES LLCSUITE 800 330 TOWN CENTER DRIVE DEARBORN MI 48126

International Classification(s)

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  • 2021 Application Filing Year
  • F01N Class
  • 751 Applications Filed
  • 486 Patents Issued To-Date
  • 64.72 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kurtz, Eric Matthew Dearborn, US 69 588
Martz, Jason Brian Canton, US 10 11

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Patent Citation Ranking

  • 5 Citation Count
  • F01N Class
  • 69.76 % this patent is cited more than
  • 3 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges8423631101 - 1011 - 2041 - 50050100150200250300350400450500550600650700750800850900

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