Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Motors electrically connected in cascade or tandem
Patent
1996-04-26
1999-05-18
Cabeca, John W.
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Motors electrically connected in cascade or tandem
318 67, 318146, 318 9, 477 13, 477179, 180 653, H02K5/00
Patent
active
059053461
ABSTRACT:
A power output apparatus (20) of the present invention includes a clutch motor (30), an assist motor (40), and a controller (80) for controlling the clutch motor (30) and the assist motor (40). The clutch motor (30) includes an outer rotor (32) linked with a crankshaft (56) of a gasoline engine (50) and an inner rotor (34) connecting with a drive shaft (22). The assist motor (40) includes a rotor (42) connecting with the drive shaft (22). A control CPU (90) of the controller (80) controls a first driving circuit (91) to make the clutch motor (30) carry out power operation, so that the drive shaft (22) is rotated at a revolving speed higher than that of the crankshaft (56). The control CPU (90) also controls a second driving circuit (92) to make the assist motor (40) carry out regenerative operation. The electric power regenerated by the assist motor (40) is supplied to the clutch motor (30) to cover the electric power consumed by the clutch motor (30). The power output apparatus (20) of the invention transmits or utilizes the power generated by the gasoline engine (50) at a high efficiency and enables the drive shaft (22) to rotate at a revolving speed higher than that of the crankshaft (56).
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Kawabata Yasutomo
Miyatani Takao
Mizutani Ryouji
Toh Ryuji
Yamada Eiji
Cabeca John W.
Toyota Jidosha & Kabushiki Kaisha
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