Control apparatus for vehicular drive system

Details Control apparatus for vehicular drive system Control apparatus for vehicular drive system

2008-07-15

2011-10-18

Ho, Ha D. (Department: 3655)

Interrelated power delivery controls, including engine control

Plural engines

Electric engine

C477S005000, C477S006000, C477S008000

Reexamination Certificate

active

08038572

ABSTRACT:
A control apparatus for a drive system of a vehicle includes (a) an electrically controlled differential portion having a differential state between rotating speeds of an input and an output shaft being controlled by controlling an operating state of a first electric motor, (b) a switching portion operable to switch a power transmitting path between the output shaft and a drive wheel of the vehicle, between a power transmitting state and a power cut-off state, and (c) a second electric motor connected to the power transmitting path. The control apparatus includes an excessive speed preventing portion configured to limit a rotating speed of the output shaft or an operating speed of the second electric motor when the power transmitting path is switched by the switching portion from the power transmitting state to the power cut-off state.

REFERENCES:
patent: 2009/0042689 (2009-02-01), Soliman et al.
patent: 2009/0140521 (2009-06-01), Bryan et al.
patent: 2010/0228412 (2010-09-01), Sah
patent: A-2005-264762 (2005-09-01), None
patent: A-2006-002913 (2006-01-01), None
Office Action issued in Chinese Patent Application No. 2008101333266, dated Aug. 19, 2010 (with English translation).

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