EXHAUST GAS PURIFICATION CONTROLLER FOR ENGINE

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200056526A1
SERIAL NO

16343000

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An NH3 supply amount controller reduces and adjusts a supply amount of NH3 to an SCR catalyst by an NH3 supplier, when an exhaust gas flowing into an NOX catalyst has a rich air-fuel ratio and NOX occluded by the NOX catalyst is reduced to N2. A reduction amount of the supply amount of the NH3 controlled by the NH3 supply amount controller is set smaller when a temperature of the NOX catalyst detected or estimated by an NOX catalyst temperature detector is higher.

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Patent Owner(s)

Patent OwnerAddress
MAZDA MOTOR CORPORATIONAKI-GUN HIROSHIMA 730-8670

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
IKEDA, Daishi Hatsukaichi-shi, Hiroshima, JP 7 9
ISHIHARA, Chikara Aki-gun, Hiroshima, JP 18 67
TOMITA, Yoshiaki Hiroshima-shi, Hiroshima, JP 9 31
TSUBOI, Goro Hiroshima-shi, Hiroshima, JP 5 0
YAMAGUCHI, Takayuki Hatsukaichi-shi, Hiroshima, JP 71 613

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