Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Running-speed control
Patent
1996-05-10
1998-09-08
Masih, Karen
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Running-speed control
318 8, 318 9, 318 7, 318 34, 318 48, 318 51, 318 52, 60698, 60699, 60700, H02P 546
Patent
active
058049347
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). An electric current flowing through three-phase coils (36) in the clutch motor (30) enables the outer rotor (32) to be coupled with the inner rotor (34) with a certain slip. Electrical energy corresponding to the certain slip is recovered as an electric power via a first driving circuit (91). The assist motor (40) is controlled with the electric power via a second driving circuit (92) so as to apply a torque to the drive shaft (22). The power output apparatus (20) of the invention can transmit the power generated by the gasoline engine (50) to the drive shaft (22) at a high efficiency and produce a torque in the direction of rotation of the crankshaft (56).
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Kawabata Yasutomo
Miyatani Takao
Mizutani Ryouji
Taga Yoshiaki
Yamada Eiji
Masih Karen
Toyota Jidosha & Kabushiki Kaisha
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