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(19)

(11)

2 578 073

(13)

(51)

IPC

F01N3/22(2006-01-01)

F01N3/32(2006-01-01)

F01N11/00(2006-01-01)

(21) (22)

Application

2014104290/06, 2012-08-06

(24)

Start date

2012-08-06

(22)

Actual filing date

2012-08-06

(45)

Published

2016-03-20

(72)

Inventor

Kondo ShinyaTsukamoto RyosukeKitadani HironoriAoki JunKiyomiya ShinsukeTashiro KazuyoshiKawai SatoshiNakata Tatsuro

(73)

Holder

Toyota Jidosha Kabushiki Kaisha

ICE CONTROL PROCESS AND DEVICE TO THIS END Russian patent published in 2016 - IPC F01N3/22 F01N3/32 F01N11/00

Abstract RU 2578073 C2

FIELD: engines and pumps.

SUBSTANCE: invention can be used in internal combustion engines. Claimed device comprises air pump to feed second air via the air duct to the ICE exhaust system, air duct opening/closing unit for secondary air feed and control unit. The latter sets the opening/closing unit to open position for preset time for feed of secondary air into appropriate air duct. Control unit opens/closes the opening/closing unit for removal of foreign bodies before diagnostics of secondary air feeder faults. During said control the air pump continues operation. Invention discloses the ICE operation control process.

EFFECT: ruled out faulty diagnostics.

14 cl, 13 dwg

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RU 2 578 073 C2

Authors

Kondo Shinya

Tsukamoto Ryosuke

Kitadani Hironori

Aoki Jun

Kiyomiya Shinsuke

Tashiro Kazuyoshi

Kawai Satoshi

Nakata Tatsuro

Dates

2016-03-20—Published

2012-08-06—Filed