About 6 results
https://drivepatents.com/patents/961794 · 15 Apr 2015
An electric vehicle control apparatus includes a plurality of current collectors that take in electric power from an outside, a convertor unit that converts a voltage input through the current collectors into a direct current having a predetermined value a...
https://drivepatents.com/patents/972454 · 16 Jul 2014
In a system of charging a transport vehicle electric storage device immediately, transport vehicles under control of a ground controller and travelling by an electric storage device as a power source travel along a predetermined travelling route. Chargers ...
https://drivepatents.com/patents/1001018 · 27 Jun 2012
A power converting apparatus for electric motor vehicle propulsion is provided that is suitable for a use in which power regeneration from an inverter unit 30 to a power storing unit 50 or power supply from the power storing unit 50 to the inverter unit 30...
https://drivepatents.com/patents/1003100 · 25 Apr 2012
Provided is a high mobility railroad vehicle system configured to reciprocally carry out a direct drive between a non-electrically driven section and an electrically driven section without installing new facilities such as oil supply equipment and without ...
https://drivepatents.com/patents/1069805 · 22 Feb 2006
In a carrying system conveyance of an article from a processing device 16 is assigned to an overhead running carriage 12a and conveyance of an article to the processing device 16 is assigned to an overhead running carriage 12b. When the overhead running ca...
https://drivepatents.com/patents/1092428 · 22 Oct 2003
The power control procedure for the electrical motor of a railway vehicle deriving power from a catenary cable uses measurement of the open voltage (Vcat0), evaluated at the sub-station. From this the maximum available power for a catenary cable section is...