Electric heating – Heating devices – With power supply and voltage or current regulation or...
Patent
1998-04-06
1999-11-02
Paschall, Mark
Electric heating
Heating devices
With power supply and voltage or current regulation or...
219206, 219497, 219205, 219505, 123697, 123704, H05B 102
Patent
active
059775254
ABSTRACT:
A control device for a heater for an air fuel ratio sensor attached close to a sensor element of an air fuel ratio sensor located in an intake passage of an intake passage.
The control device comprises an ambient temperature related parameter detecting means for detecting a parameter related an ambient temperature of the air fuel ratio sensor, an intake air amount related parameter detecting means for detecting a parameter related amount of fresh intake air introduced into intake passage, and supply power controlling means for controlling supply power based on a parameter detected by an ambient temperature related parameter detecting means and a parameter detected by an intake air amount related parameter detecting means.
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patent: 4924837 (1990-05-01), Chujo et al.
patent: 5214267 (1993-05-01), Hoshi et al.
patent: 5656190 (1997-08-01), Aoki
patent: 5731570 (1998-03-01), Aoki
patent: 5782227 (1998-07-01), Abe
Sasayama et al., "Sensors and Sensing Technology for Low Emission and High Efficiency Powertrain Systems." Prescript of JSAE Scientific Conference 1995-5, No. 9534018, May 1995.
Paschall Mark
Toyota Jidosha & Kabushiki Kaisha
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