By a lean burn operation, a highly efficient operation region is enlarged, the proportion of engine operation in a low torque condition is increased, and the proportion of motor operation using a battery is decreased. It is possible to provide a hybrid car of an engine-electric motor configuration which...http://www.google.fr/patents/US20020175011?utm_source=gb-gplus-shareBrevet US20020175011 - Hybrid car
Numéro de demande: 10/195,562 Numéro de publication: US 2002/0175011 A1 Date de dépôt: 16 juil. 2002 Brevet délivré: US6991052 ( Date de délivrance 31 janv. 2006)