About 37 results
https://drivepatents.com/patents/948408 · 7 Oct 2015
A power system (10) includes a first energy harvester (14), a second energy harvester (16), a power conditioning unit (18), and a load (12). The first energy harvester (14) is configured to produce a first voltage. The second energy harvester (16) is confi...
https://drivepatents.com/patents/949406 · 19 Aug 2015
A vehicle battery system includes: a first storage battery supplying electric power to a starter; a second storage battery connected in parallel with the first storage battery and including an internal switching unit switching a connection state with the f...
https://drivepatents.com/patents/963750 · 21 Jan 2015
A power supply system suitable for use by an aircraft is disclosed. The power system converts power from an unregulated DC power source to multiple AC and DC voltage outputs. The power supply system comprises an interleaved buck converter, and interleaved ...
https://drivepatents.com/patents/965640 · 31 Dec 2014
A backup power source device includes the following elements: a capacitor; a charging circuit provided in the charging path of the capacitor and performing step-down operation; a boost circuit provided in the output path of the capacitor; and a door-lock-r...
https://drivepatents.com/patents/1135180 · 25 Dec 2014
System and methods for detecting electrical leakages in a battery sensing are presented. In certain embodiments, the systems and methods allow a vehicle battery sensing circuit and/or other associated system to detect certain electrical leakages and implem...
https://drivepatents.com/patents/969708 · 24 Sep 2014
To further improve fuel efficiency of vehicles. A vehicle control device that is mounted on a vehicle that has an engine, and a battery that can be charged by the amount of electric power that is generated by an alternator that is driven by power from the ...
https://drivepatents.com/patents/973621 · 18 Jun 2014
Disclosed is a power supply unit reducing deterioration of power loss caused by cables. A connector connecting a power line L11 connected to a battery (2) and a plurality of ramp loads (3a) is attached to a holder (3b) housing at least one of the plurality...
https://drivepatents.com/patents/977418 · 12 Mar 2014
The motor vehicle comprises an electrical system (1), which has a low voltage network (2) with a primary voltage having an electrical energy storage unit (4) and a high voltage network (3) with a secondary voltage having another electrical energy storage u...
https://drivepatents.com/patents/982475 · 30 Oct 2013
The system (17) has an electrical network (20) to electrically power functional equipment (14A-14F) of an aircraft (10). A regulating assembly (24) includes a secondary electrical power source (58) formed by a fuel cell (70), and a conversion assembly (60)...
https://drivepatents.com/patents/983777 · 2 Oct 2013
The system has an on-board power supply system triggering a radio emergency call during emergency based on a state of the on-board power supply system of a motor car. A radio communication device triggers the emergency call. A back-up battery comprises mul...