The engine exhaust - MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA

Title:

The engine exhaust

Document Type and Number:

Japanese Patent JP6222563

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide an engine capable of detecting the air-fuel ratio of exhaust gas exhausted from a plurality of cylinders for each cylinder while suppressing pressure loss of exhaust gas.SOLUTION: In an exhaust device of an engine having four cylinders detecting an air-fuel ratio in an exhaust collection part, between a third cylinder #3 and a fourth cylinder #4 whose exhaust periods are overlapped, the opening valve timing of an exhaust valve of the fourth cylinder #4 performing exhaust later, with respect to a bottom dead center (BDC) is set earlier than the opening valve timing of the exhaust valve of the third cylinder #3 performing exhaust ahead, with respect to the bottom dead center (BDC).

Inventors:

Mikio Tanabe
Shinichi Murata
Takaharu Yamamoto

Application Number:

JP2013268833A

Publication Date:

November 01, 2017

Filing Date:

December 26, 2013

Export Citation:

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