Power supply device for vehicles

Electricity: motive power systems – Braking – Dynamic braking

Reexamination Certificate

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Details

C318S400380, C318S139000

Reexamination Certificate

active

07994745

ABSTRACT:
A power supply device for vehicles, output units (10a,10b) thereof are connected to a motor (5), includes a fuel cell (1) which is connected to the output units (10a,10b), a capacitor (2) which is connected in parallel to the fuel cell (1), a lithium ion battery (21) which is connected in parallel to the capacitor (2) through a DC/DC converter (20), and a current control means (32) which limits an output current of the lithium ion battery (21) to at most an output upper-limit current (Ibout_lmt) when power is supplied to the motor (5) from the lithium ion battery (21) during a power running operation of the motor (5), and limits an input current into the lithium ion battery (21) to at most an input upper-limit current smaller than the output upper-limit current (Ibin_lmt) through the DC/DC converter (20) when regenerative power of the motor (5) is recovered into the lithium ion battery (21) during a regenerative operation of the motor (5).

REFERENCES:
patent: 2009/0092867 (2009-04-01), Suzuki et al.
patent: 6-292305 (1994-10-01), None
patent: 2006-059685 (2006-03-01), None
patent: 2006-059689 (2006-03-01), None
patent: 2006-353033 (2006-12-01), None
patent: 2007-012414 (2007-01-01), None
patent: 2007-185074 (2007-07-01), None
patent: 2007/066531 (2007-06-01), None
Japanese Office Action application No. 2007-204768 dated Mar. 1, 2011.

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