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Stan’s Legacy

patent · US6880541

Air-fuel ratio control apparatus for internal combustion engine

19 April 2005

Indexed reference — no copy held

This patent is cited by material in the archive, so it is indexed here by number, title and inventor. The archive holds no copy of its text.

Read it at the patent office → The filed PDF →

Abstract

Air-fuel ratio control apparatus for an engine of automobile for controlling an air-fuel ratio to a desired value includes module ( 33 ) for computing a purge ratio (Pr) from a purge quantity (QPRG) and an engine operation state, module ( 35 ) for computing a purge air concentration (Pn) from the purge ratio (Pr) and an air-fuel ratio feedback correcting coefficient (CFB), module ( 36 ) for computing a purge air concentration correcting coefficient (CPRG) from the purge ratio...

Provenance

Collection
Cited prior art
Filed
2004-02-25
Source
Google Patents bibliographic record
Granted
2005-04-19
Inventors
Ryoichi Hanazaki; Mitsuyasu Kunihiro; Mitsubishi Electric Corp