EGR control method and EGR controller
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 26, 2024
Grant Date -
Aug 25, 2022
app pub date -
Sep 6, 2019
filing date -
Sep 6, 2019
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
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
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
NISSAN MOTOR CO LTD | YOKOHAMA-SHI KANAGAWA 221-0023 |
International Classification(s)

- 2019 Application Filing Year
- F02M Class
- 1101 Applications Filed
- 800 Patents Issued To-Date
- 72.67 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hamamoto, Takayuki | Kanagawa, JP | 19 | 46 |
# of filed Patents : 19 Total Citations : 46 | |||
Takaki, Daisuke | Kanagawa, JP | 13 | 70 |
# of filed Patents : 13 Total Citations : 70 | |||
Tsuchida, Hirofumi | Kanagawa, JP | 68 | 891 |
# of filed Patents : 68 Total Citations : 891 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- F02M Class
- 0 % this patent is cited more than
- 1 Age
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- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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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 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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 |
Full Text

Legal Events
Date | Code | Event | Description |
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Aug 02, 2022 | P | Publication | |
Jul 13, 2022 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
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Mar 21, 2022 | STPP | INFORMATION ON STATUS: PATENT APPLICATION AND GRANTING PROCEDURE IN GENERAL | free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER |
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Aug 27, 2020 | P | Published | |
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Feb 21, 2020 | F | Filing | |
Feb 21, 2020 | FEPP | FEE PAYMENT PROCEDURE | free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Feb 10, 2020 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:VAN HECK, MARINUS ANTONIUS LEONARDA;REEL/FRAME:051883/0428 Owner name: FUJI SEAL INTERNATIONAL, INC., JAPAN Effective Date: Feb 10, 2020 |

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