Electric heating – Heating devices – With heating unit structure
Patent
1996-11-05
1999-06-29
Walberg, Teresa
Electric heating
Heating devices
With heating unit structure
219541, 219552, H05B 316
Patent
active
059164670
ABSTRACT:
In a ceramic heater applicable to an oxygen concentration sensor used to detect an oxygen concentration sensor in an exhaust gas of an internal combustion engine, a heating pattern constituted by an electrically resistive body comprises a plurality of radially extended segments on an outer peripheral surface of a cylindrical main body made of a ceramic material. Since a length of an axially extended segment of the heating pattern on the cylindrical main body is excessively short, a tip of a squeege can be prevented from pressing a mask used to make, for example, a curved surface printing using an electrically resistive conductive paste.
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Patel Vinod D
Unisia Jecs Corporation
Walberg Teresa
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