US 2018/0022221 A1Published application

Method and apparatus for charging multiple energy storage devices

AssigneeGeneral Electric Company

InventorsRuediger Soeren Kusch, Robert Dean King, Robert Louis Steigerwald

Life of this patent

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Abstract

An electric vehicle includes a controller configured to receive sensor feedback from a high voltage storage device and from a low voltage storage device, compare the sensor feedback to operating limits of the respective high and low voltage storage device, determine, based on the comparison a total charging current to the high voltage storage device and to the low voltage storage device and a power split factor of the total charging current to the high voltage device and to the low voltage device, and regulate the total power to the low voltage storage device and the high voltage storage device based on the determination.

Claims21

Dependent claims

An energy storage and management system (ESMS) for a vehicle propulsion system, the ESMS comprising:

an energy storage device;
a first DC/DC conversion device coupled to an internal charging source for charging the energy storage device;
a second DC/DC conversion device coupleable to an external charging source for charging the energy storage device;
a plurality of energy ports for coupling the energy storage device to at least one of the first and second DC/DC conversion devices, the plurality of energy ports including:
a first energy port coupled to the energy storage device;
a second energy port coupled to the energy storage device;
a third energy port coupled to the first DC/DC conversion device;
and
a fourth energy port coupled to the second DC/DC conversion device;
and
a control system configured to:
selectively control operation of the first DC/DC conversion device when charging the energy storage device from the internal charging source;
and
selectively control operation of the second DC/DC conversion device when charging the energy storage device from the external charging source.

11 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/712,904Filed 22 Sep 2017
Priority: 21 May 2012
Published: 25 Jan 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification29 codes

B60L 53/14
Characterised by the energy transfer between the charging station and the vehicle: conductive energy transfer
B60L 15/007
Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles: physical arrangements or structures of…
B60L 50/16
Using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines: with provision for separate direct…
B60L 50/40
Electric propulsion with power supplied within the vehicle: using propulsion power supplied by capacitors

Family

Application13/476,165Continuation · filed 21 May 2012
Application14/656,782Continuation · filed 13 Mar 2015
Application15/712,904Continuation
US 10,081,257 B2Related patent
US 2013/0307489 A1Published application
US 2015/0183328 A1Published application
US 8,981,727 B2Related patent
US 9,821,668 B2Related patent
US 2018/0022221 A1This patent

From the US filing history. Foreign family members aren’t listed.

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