Electrical energy capture system with circuitry for blocking...

Details Electrical energy capture system with circuitry for blocking... Electrical energy capture system with circuitry for blocking...

2005-06-09

2009-08-11

Le, Mark T (Department: 3617)

Railway rolling stock

Locomotives

Generating electric

C105S049000, C105S061000, C318S139000, C318S376000

Reexamination Certificate

active

07571683

ABSTRACT:
An electrical energy capture system, as may be carried on a hybrid energy, electro-motive, self-powered traction vehicle, is provided. The system may be used for storing electrical power generated on the vehicle and for discharging the stored electrical power for use on the vehicle. The system includes circuitry connected to a plurality of electrical energy storage devices connected in parallel circuit to one another. The circuitry may be configured to establish a respective circuit path for charging and discharging electrical energy from each energy storage device with respect to a DC bus. The circuitry is further configured to block a flow of electrical current from any one of the storage devices to any of the other storage devices, thereby avoiding flow of currents that could otherwise circulate among the electrical energy storage devices due to electrical imbalances that may occur in one or more of the electrical energy storage devices.

REFERENCES:
patent: 5373195 (1994-12-01), De Doncker et al.
patent: 5710699 (1998-01-01), King et al.
patent: 6242873 (2001-06-01), Drozdz et al.
patent: 6331365 (2001-12-01), King
patent: 6441581 (2002-08-01), King et al.
patent: 6591758 (2003-07-01), Kumar
patent: 7064521 (2006-06-01), Stanesti et al.
patent: 2005/0039630 (2005-02-01), Kumar et al.

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