About 658 results
Showing the first 200 results.
https://drivepatents.com/patents/962403 · 18 Mar 2015
This invention charges an amount of electric power required for the next trip while extending the life of a power storage device, and enables reliable catenary-less travel to the next power storage device. Provided is a vehicle control system for a vehicle...
https://drivepatents.com/patents/951817 · 18 Mar 2015
To propose a brake chopper system that suppresses additional devices when a brake chopper is mounted. A traction converter system includes a transformer that transforms AC power input from a collector collecting AC power, a first power converter that conve...
https://drivepatents.com/patents/962487 · 4 Mar 2015
An induction motor type electric train and a control method for the same are proposed in which overcurrent to induction motors is restrained and therefore overheat of the induction motors due to overcurrent can be prevented effectively. An induction motor ...
https://drivepatents.com/patents/962481 · 4 Mar 2015
A power converter in which reduction in weight and size can be realized and improvement in reliability can be realized by properly protecting power switching elements is to be provided. A power converter for rolling stock includes a filter capacitor that s...
https://drivepatents.com/patents/952185 · 11 Feb 2015
An object of the invention is to increase and decrease cars of a train set one by one while dispersing axle load of a train constituting a train set. In order to achieve the object, a train set constituted by coupling a plurality of cars of the invention i...
https://drivepatents.com/patents/952443 · 4 Feb 2015
The present invention relates to a method and an apparatus for estimating an alcohol concentration in an alcohol fuel mixture supplied to an internal combustion engine, wherein the operation of the internal combustion engine supplied with the alcohol fuel ...
https://drivepatents.com/patents/964165 · 7 Jan 2015
The present invention provides a device for creating a photographing plan by extracting a changed point from target points to preferentially photograph the extracted point. The photographing plan creation device includes: a photographed data reception part...
https://drivepatents.com/patents/965693 · 31 Dec 2014
It is an object of the present invention to provide a solar assisted gas turbine system which has a largely reduced number of heat collectors and a reduced installation area required for installation of the heat collectors. The solar assisted gas turbine s...
https://drivepatents.com/patents/965917 · 24 Dec 2014
The purpose of the present invention is to provide a method and device for operating a power system, and a rechargeable-battery management device, that extract maximum performance from rechargeable batteries and use said batteries evenly while taking into ...
https://drivepatents.com/patents/965793 · 24 Dec 2014
To suppress resonance operation in a DC unit to which an inverter circuit and a DC-DC converting circuit are connected, a surge voltage generated upon switching of the DC-DC converting circuit and unbalance of load current between phases, and to realize st...