Boots – shoes – and leggings
Patent
1993-10-13
1996-07-16
Teska, Kevin J.
Boots, shoes, and leggings
36443103, 36443105, 60274, 60276, 60277, 60285, 60284, 123691, 12317921, G06F 1900, F01N 300
Patent
active
055373216
ABSTRACT:
An exhaust gas purifying apparatus mounted in an vehicular engine, which includes a detector for detecting the actuated condition of a catalyst. Injectors for fuel injection are disposed along an air intake passage of the engine and plurality of catalysts are provided along an exhaust gas passage. A catalyst incorporating an electrical heater is disposed at the most upper stream side thereof. A secondary air source can be supplied into the inlet port of the heatable catalyst by means of secondary air supply mechanism. To determine the activated condition of the catalyst, a temperature sensor is provided to the catalyst. An electronic control unit (ECU) controls the injectors, secondary air supply mechanism, and heatable catalyst when the engine is initiated in the cold state. The ECU computes a temperature change rate of the catalyst based upon a value detected by the temperature sensor while secondary air supply is provided into the inlet port of the heatable catalyst. When the computed temperature change rate is increased, the ECU determines that the heatable catalyst has been actuated and the ECU correctly increases the volume of fuel to be injected through the injectors. Therefore, the catalyst's actuation can be detected without providing a plurality of temperature sensors. Furthermore, no volume of fuel exceeding the required amount is supplied to the engine before the catalyst is actuated.
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Tanaka Hiroshi
Yoshizaki Kouji
Louis-Jacques Jacques H.
Teska Kevin J.
Toyota Jidosha & Kabushiki Kaisha
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