Engine exhaust treatment through temperature management

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11225921
APP PUB NO 20210372336A1
SERIAL NO

16887587

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The subject matter of this specification can be embodied in, among other things, an engine system that includes an intake manifold configured to receive and convey air to a combustion chamber, an intake valve upstream of the intake manifold and configured to regulate an air flow into the intake manifold, an exhaust manifold configured to receive combustion products from the combustion chamber, a recirculation flow passage configured to convey exhaust gasses from the exhaust manifold to the intake manifold, a recirculation flow control valve configured to regulate gas flow through the recirculation flow passage, and a controller configured to determine that the engine system is in a motoring condition, open, during the motoring condition and based the determining, the recirculation flow control valve, and close, during the motoring condition and based the determining, the intake valve.

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Patent Owner(s)

Patent OwnerAddress
WOODWARD INC1081 WOODWARD WAY FORT COLLINS CO 80524

International Classification(s)

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  • 2020 Application Filing Year
  • F02M Class
  • 833 Applications Filed
  • 576 Patents Issued To-Date
  • 69.15 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiu, James Po-Chang Longmont, US 2 5
Han, Yi Fort Collins, US 113 1255

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Patent Citation Ranking

  • 0 Citation Count
  • F02M Class
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  • 3 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges827424101 - 1011 - 20050100150200250300350400450500550600650700750800850900

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