Air-fuel ratio detector and method of measuring air-fuel ratio

Details Air-fuel ratio detector and method of measuring air-fuel ratio Air-fuel ratio detector and method of measuring air-fuel ratio

1984-02-03

1986-02-18

Myracle, Jerry W.

Measuring and testing

Test stand

For engine

73 23, 204412, 204426, G01M 1500

Patent

active

045704791

ABSTRACT:
A detector and a measuring method for detecting an air-fuel ratio in an internal combustion engine or the like. The detector has a tubular body having a closed end, a solid electrolyte permeable to oxygen ions which divides the interior of the tubular body into a closed-end section and an open-end section, and electrodes mounted on opposite surfaces of the solid electrolyte. One pair of the electrodes on the opposite surfaces of the solid electrolyte is connected to a circuit for detecting an electromotive force, thus constituting an oxygen sensor. The other electrode pair is connected to a DC power supply, thus constituting an oxygen pump. The oxygen sensor detects the quantity of oxygen in a gas supplied through a gas dispersion member. The direction of flow and magnitude of and electric current in the oxygen pump are controlled on the basis of an output from the oxygen sensor for enabling the gas to have a stoichiometric air-fuel ratio.

REFERENCES:
patent: 4051006 (1977-09-01), Neti et al.
patent: 4231733 (1980-11-01), Hickam
patent: 4487680 (1984-12-01), Logothetis et al.

Affiliated with

Also associated with

Rating

Air-fuel ratio detector and method of measuring air-fuel ratio does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Air-fuel ratio detector and method of measuring air-fuel ratio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Air-fuel ratio detector and method of measuring air-fuel ratio will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1544119