Luciano Rolando-EU RDD on New Energy and Energy Saving ...

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POLITECNICO DI TORINO - ENERGY DEPARTMENT Results: data from circulating test fleet Globally the comparison of the vehicle fuel consumption points out that the S&S system achieves a reduction of about 7% in real world driving conditions 27/04/2012 20
14/11/2011 POLITECNICO DI TORINO - ENERGY DEPARTMENT Results: data from circulating test fleet This study also included a dedicated maintenance program to monitor any effects of the S&S system on the components of the driveline The starter was found to be the killer component: it represents the main cause of vehicle failure related to the S&S system Vehicle 791 792 1310 Starter Maintenance Date date 27/05/11 23/03/11 31/03/11 Actuations num 44’730 32’494 38’357 Working hours h 2012.1 1377.1 1679 Travelled Distance km 32’979 20’150 26’056 Actuations since last maintenance num 23’967 //// //// Nevertheless the failure of the starter always occurred very close to the nominal life set by the manufacturer (40000 actuations) New Starter Failed Starter • The brush wear was the main cause of the starter failure. • This phenomenon produced sparks and an overheating of the system which significantly damaged also the collector of the rotor. 21
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Page 7 and 8: FEATURES: • Non-intrusive Micro-H
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Page 11 and 12: Engine start & stop functions are m
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Luciano Rolando-EU RDD on New Energy and Energy Saving ...

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