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AssigneeWeichai Power Co., Ltd.
InventorsGuangdi Hu, Shaojun Sun
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An apparatus (100) used in a selective catalytic reduction system of a diesel engine is disclosed, wherein the SCR system comprises a catalyst to use ammonia to convert nitrogen oxides discharged from the diesel engine, the apparatus (100) comprising: an acquiring module (102) coupled to the catalyst and configured to acquire a measurement value of at least one operation condition of the catalyst; and a determining module (104) coupled to the acquiring module and configured to determine ammonia storage capacity of the catalyst based on the acquired measurement value so as to determine ammonia surface coverage of the catalyst. A corresponding method and a computer program product thereof are further disclosed. According to the apparatus (100) and method, the ammonia surface coverage and ammonia storage capacity of the catalyst may be estimated more accurately.
An apparatus used in a selective catalytic reduction (SCR) system of a diesel engine, the SCR system comprising a catalyst to use ammonia to convert nitrogen oxides discharged from the diesel engine, the apparatus comprising:
A method used in a selective catalytic reduction (SCR) system of a diesel engine, the SCR system comprising a catalyst to use ammonia to convert nitrogen oxides discharged from the diesel engine, the method comprising:
A computer program product having a computer instruction program included in a computer readable storage medium, wherein when the program is executed by a device, the device is caused to perform corresponding actions, the program comprising:
Dependencies are inferred from the claim text.