Oxygen detector
First Claim
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1. An oxygen detector comprising:
- a body including an elongated solid electrolyte oxygen sensor at one end thereof;
a flange connected to said body substantially at right angles to the central axis of said sensor for mounting said body to a wall portion of an exhaust manifold or pipe of an engine in a manner such that said sensor end of said body is inserted into said exhaust manifold or pipe through an opening formed in said wall portion of said exhaust manifold or pipe, said flange having mounting holes arranged asymmetrically with each other with respect to the central axis of said body, and,a cylindrical protective cover having a first closed free end and a second end mounted to said body in a manner of enclosing said sensor therein, said cover having a large number of small openings bored in its cylindrical wall, said openings being arranged substantially on one diametrical half side of said cylindrical wall.
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Abstract
An oxygen detector of the type having a tubular ceramic or zirconia electrode covered with a very thin platinum layer and a cylindrical protective cover for the electrode, the cover having a plurality of small openings arranged in its cylindrical wall to be substantially more dense on one side thereof than on the diametrically opposite side thereof, the detector being adapted to be positively mounted to make the aforementioned opposite side face upstream of the gas stream in which the detector is positioned.
17 Citations
3 Claims
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1. An oxygen detector comprising:
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a body including an elongated solid electrolyte oxygen sensor at one end thereof; a flange connected to said body substantially at right angles to the central axis of said sensor for mounting said body to a wall portion of an exhaust manifold or pipe of an engine in a manner such that said sensor end of said body is inserted into said exhaust manifold or pipe through an opening formed in said wall portion of said exhaust manifold or pipe, said flange having mounting holes arranged asymmetrically with each other with respect to the central axis of said body, and, a cylindrical protective cover having a first closed free end and a second end mounted to said body in a manner of enclosing said sensor therein, said cover having a large number of small openings bored in its cylindrical wall, said openings being arranged substantially on one diametrical half side of said cylindrical wall. - View Dependent Claims (2, 3)
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Specification