EGR control method and EGR controller

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11939928
APP PUB NO 20220268222A1
SERIAL NO

17639470

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An EGR valve is provided in an EGR passage circulating a part of an exhaust gas of an exhaust pipe in an intake pipe as an EGR gas, the EGR valve adjusting an EGR gas amount flowing in the EGR passage when an engine is in an EGR region, a differential pressure device is provided in the intake pipe, the differential pressure device adjusting a differential pressure of the EGR valve, a control unit is provided to control the EGR valve and the differential pressure device, and the EGR control method includes switching whether to adjust the EGR gas amount using the EGR valve and the differential pressure device or to adjust the EGR gas amount using the EGR valve only on the basis of an exhaust gas pressure of an inlet portion of the EGR passage.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NISSAN MOTOR CO LTDYOKOHAMA-SHI KANAGAWA 221-0023

International Classification(s)

loading....
  • 2019 Application Filing Year
  • F02M Class
  • 1101 Applications Filed
  • 800 Patents Issued To-Date
  • 72.67 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hamamoto, Takayuki Kanagawa, JP 19 46
Takaki, Daisuke Kanagawa, JP 13 70
Tsuchida, Hirofumi Kanagawa, JP 68 891

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 0 Citation Count
  • F02M Class
  • 0 % this patent is cited more than
  • 1 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges11297801 - 1005010015020025030035040045050055060065070075080085090095010001050110011501200

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 26, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 26, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 26, 2035