Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1987-12-29
1989-05-02
Noland, Tom
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
G01D 1800
Patent
active
048256838
ABSTRACT:
An apparatus for evaluating an oxygen sensor includes a device for mixing a fuel and an oxygen-containing gas in an appropriate ratio to prepare a fuel mixture. A burner is connected to the mixing device for burning the fuel mixture to produce a gaseous combustion product. A tubular member extends from the burner for supplying the combustion product. A nozzle is connected to the tubular member for introducing a fuel and an oxygen-containing gas into the tubular member so that the combustion product is of a desired excess air ratio (air-fuel ratio) and a mounting device for the sensor to be evaluated is disposed on the tubular member, downstream of the nozzle.
REFERENCES:
patent: 4094186 (1978-06-01), Wessel
patent: 4389881 (1983-06-01), Butler et al.
patent: 4622844 (1986-11-01), Bienkowski
S.A.E. Paper No. 790143, Title; Characteristics of ZrO.sub.2 --Type Oxygen Sensors for Automotive Applications; L. T. Young et al.; 1st 3 pages; 1979.
Kondo Noriaki
Matsuura Toshitaka
Minoha Ken
Mizutani Akio
Nasu Mineji
NGK Spark Plug Co. Ltd.
Noland Tom
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