Combustion control

Details Combustion control Combustion control

1988-11-14

1990-09-04

Argenbright, Tony M.

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

60276, 123440, F02D 4114

Patent

active

049533517

ABSTRACT:
A method for controlling the combustion air ratios for IC engines using a three way catalyst. In known systems the control operation has been impaired by several factors, one being the aging of the lambda probe used for control. In order to allow for such factors the set point of the controller is adjusted under certain conditions or at certain intervals. For the adjustment of the set point the increase in the exhaust gas temperature as caused by the exothermic reaction in the catalyst is measured and employed for establishing a new set point.

REFERENCES:
patent: 3696618 (1972-10-01), Boyd et al.
patent: 3827237 (1974-08-01), Linder et al.
patent: 4033712 (1977-07-01), Morton
patent: 4305364 (1981-12-01), Stuckas
patent: 4729220 (1988-03-01), Terasaka et al.

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