Lambda sensor with electric heater

Details Lambda sensor with electric heater Lambda sensor with electric heater

1996-04-10

1997-12-09

Brock, Michael

Measuring and testing

Gas analysis

Gas of combustion

G01N 700

Patent

active

056963130

ABSTRACT:
A novel apparatus, for determining the concentration of gas components in exhaust gas from a motor vehicle, features a lambda sensor element, an electric heater thermally coupled to the sensor element, a control unit regulating application of voltage to the heater, and at least two voltage sources which can be alternatively applied to the heater, as commanded by the control unit.

REFERENCES:
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patent: 4352347 (1982-10-01), Osano et al.
patent: 4611562 (1986-09-01), Nakano et al.
patent: 4715343 (1987-12-01), Kinoshita
patent: 4803866 (1989-02-01), Miki et al.
patent: 4985126 (1991-01-01), Haefele et al.
patent: 5454259 (1995-10-01), Ishii et al.
patent: 5462040 (1995-10-01), Krebs et al.
patent: 5528148 (1996-06-01), Rogers
patent: 5544640 (1996-08-01), Thomas et al.
Robert Bosch GmbH, Automotive Handbook, 3rd English Edition, pp. 425 & 482, .COPYRGT.1993, Stuttgart.

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