Electricity: motive power systems – With particular motor-driven load device – Power- or motion-transmitting mechanism
Patent
1996-04-22
1998-08-04
Cabeca, John W.
Electricity: motive power systems
With particular motor-driven load device
Power- or motion-transmitting mechanism
318432, 318478, 60 3906, 123205, 123357, 477 5, 364431051, 180 651, H02K 710, B60K 100
Patent
active
057898774
ABSTRACT:
A power transmitting apparatus (20) attached to a crankshaft (56) of an engine (50) includes a clutch motor (30), an assist motor (40), and a controller (80) for controlling the clutch motor (30) and the assist motor (40). When detecting an ignition switch in a starter position, the controller (80) makes a constant current flow through three-phase coils (44) of the assist motor (40) to fix a drive shaft (22) and makes a current flow through three-phase coils (36) of the clutch motor (30) to enable the clutch motor (30) to apply a starter torque TST to the crankshaft (56). This results in cranking the crankshaft (56). Concurrently with the cranking process, fuel injection into the engine (50) and spark ignition are controlled to start the engine (50).
REFERENCES:
patent: 3683249 (1972-08-01), Shibata
patent: 3789281 (1974-01-01), Shibata
patent: 3866703 (1975-02-01), Eastham
patent: 4335429 (1982-06-01), Kawakatsu
patent: 5085101 (1992-02-01), Oldfield
patent: 5498216 (1996-03-01), Bitsche et al.
patent: 5501641 (1996-03-01), Kollermeyer et al.
Kanamori Akihiko
Kawabata Yasutomo
Miyatani Takao
Mizutani Ryouji
Yamada Eiji
Cabeca John W.
Toyota Jidosha & Kabushiki Kaisha
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