METHOD FOR MONITORING THE SPEED OF A BI-TURBOCHARG

专利名称：METHOD FOR MONITORING THE SPEED OF

A BI-TURBOCHARGER

发明人：HENN, MICHAEL,KUNZ, FRANZ,ZHANG,

HONG

申请号：EP04729896.3申请日：20040428公开号：EP1623103A1公开日：20060208

摘要：The invention relates to a method and a device for monitoring the speed of afirst charger (8) for an internal combustion engine (1), especially an exhaust gasturbocharger. Said method comprises the following steps: a first exhaust value (?1)representing the exhaust gas composition of the internal combustion engine (1) in a firstexhaust section (4) is defined, and a first speed value (n1) representing the speed of thefirst charger is determined according to the defined first exhaust value (?i).

申请人：SIEMENS AKTIENGESELLSCHAFT

地址：Wittelsbacherplatz 2 80333 München DE

国籍：DE

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