ENGINE STARTING SYSTEM

• Main Author: OSHIUMI, YASUHIRO
• Format: Patent
• Language: English; French
• Published: 08.10.2015
• Subjects: ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES; ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; BLASTING; COMBUSTION ENGINES; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; LIGHTING; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDEDFOR; STARTING OF COMBUSTION ENGINES; TRANSPORTING; VEHICLES IN GENERAL; WEAPONS

An engine starting system for hybrid vehicle is provided. The engine starting system is applied to a hybrid vehicle in which a friction clutch is disposed between an engine and a power distribution device. In order to reduce gear noise and vibrations, a second motor establishes a cancel torque to cancel a reaction torque acting on an axle when starting the engine. The engine starting system is configured to increase the torque of the second motor in a direction of a drive torque rotating the axle, when starting the engine while bringing the friction clutch into engagement in a slipping manner (Steps S5 and S6). L'invention concerne un système de démarrage de moteur pour véhicule hybride. Le système de démarrage de moteur est appliqué à un véhicule hybride dans lequel un embrayage à friction est disposé entre un moteur et un dispositif de distribution de puissance. Afin de réduire le bruit de la boîte d'engrenages et les vibrations, un deuxième moteur établit un couple d'annulation pour annuler un couple de réaction agissant sur un essieu lors du démarrage du moteur. Le système de démarrage de moteur est configuré de manière à augmenter le couple du deuxième moteur dans une direction d'un couple d'entraînement faisant tourner l'essieu, lors du démarrage du moteur tout en amenant l'embrayage à friction en prise par patinage (étapes S5 et S6).