METHOD OF DETECTING FUEL BLEND RATIO - MITSUBISHI MOTORS CORP

Title:

METHOD OF DETECTING FUEL BLEND RATIO

Document Type and Number:

WIPO Patent Application WO/1991/012424

Kind Code:

A1

Abstract:

A method of detecting a fuel blend ratio, wherein a control blend ratio B is calculated on the basis of blend ratio information from a blend ratio sensor (1) or air-fuel ratio information from an O2 sensor (2) and a control blend ratio at the time of an engien stop is taken into a backup memory (5, 401) as a memory blend ratio Bmem. At the time of an engine restart, the memory blend ratio Bmem can be calculated as a control blend ratio B for a predetermined time after the restart.

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Inventors:

YOSHIDA MASATO (JP)
YOKOYAMA TAKANEAO (JP)
NANBA MUNEYOSHI (JP)
KATO YOSHIHIKO (JP)
IIDA KAZUMASA (JP)
MIYAMOTO KATSUHIKO (JP)

Application Number:

PCT/JP1991/000178

Publication Date:

August 22, 1991

Filing Date:

February 14, 1991

Export Citation:

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Assignee:

MITSUBISHI MOTORS CORP (JP)

International Classes:

G01N33/22; F02D19/08; F02D35/00; F02D41/00; F02D41/02; F02D41/06; F02D45/00; G01N33/28; (IPC1-7): F02D41/02; F02D45/00; G01N33/22

Foreign References:

JPH01271630A	1989-10-30
JPH01224417A	1989-09-07
JPH02256848A	1990-10-17
US3384746A	1968-05-21

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