Boots – shoes – and leggings
Patent
1991-06-25
1994-02-15
Trans, Vincent N.
Boots, shoes, and leggings
123419, 123436, G06F 1520, F02D 4104
Patent
active
052872823
ABSTRACT:
A misfire diagnosis apparatus for an internal combustion engine having a plurality of cylinders, comprising momentum change rate calculating device (M1), momentum change rate comparing device (M2), misfire judging device (M3) and average momentum change rate learning value setting device (M4). A momentum change rate calculated by the calculating device (M1) is compared with an average momentum change rate learning value by the comparing device (M2) in light of a learning value map (MMP.DELTA.N.sub.l) corresponding to the operating conditions of a pertinent cylinder. The result of the comparison is compared with a misfire judgement level by the judging device (M3) in light of a misfire judgement level map (MMP.DELTA.N.sub.LEVEL) corresponding to the operating conditions of the pertinent cylinder. The setting device (M4) sets and updates the learning value of the learning value map (MMP.DELTA.N.sub.l).
REFERENCES:
patent: 4348728 (1982-09-01), Sagisaka et al.
patent: 4922877 (1990-05-01), Nagaisha
patent: 5041976 (1991-08-01), Marko et al.
patent: 5093792 (1992-03-01), Taki et al.
patent: 5126943 (1992-06-01), Nakaniwa
Fuji Jukogyo Kabushiki Kaisha
Trans Vincent N.
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