Prime-mover dynamo plants – Traction
Patent
1996-08-05
2000-03-21
Enad, Elvin
Prime-mover dynamo plants
Traction
290 46, 290 47, 290 48, 290 49, B60L 1102
Patent
active
060406348
ABSTRACT:
The engine unit for a vehicle comprises a thermal engine (1) and a coaxial relatively flat electric motor (2) which can operate up to, at least, the maximum operating speed of said thermal engine. Said electric motor is constructed and arranged to provide at rest and at low rotational speeds a maximum torque higher than the resisting torque of the thermal engine at rest, and than about one third of the maximum torque of the thermal engine, in order to perform safely the starter function down to the lowest forecast temperature. Said electric motor is constructed and arranged to provide a maximum volumic torque of active parts of at least about 10 Nm/dm.sup.3. The controls associated with said electric motor are capable of providing the power corresponding to the maximum torque.
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