About 7 results
https://drivepatents.com/patents/961825 · 8 Apr 2015
A pantograph device of a trolley-type truck includes: a base frame 6; a bottom frame 8 rockably attached to the base frame; a top frame 10 rockably attached to the vicinity of the top end portion of the bottom frame through a connecting shaft 9; a collecto...
https://drivepatents.com/patents/964075 · 14 Jan 2015
A wireless charging system includes a first winding portion (15), a second winding portion (18) which is disposed with an interval between the first winding portion and the second winding portion in an axis (17) direction of the first winding portion, and ...
https://drivepatents.com/patents/970790 · 27 Aug 2014
There are provided a zigzag-folding type stacked cell manufacturing method capable of high-efficiency production, and a system using the same. The stacked cell manufacturing method includes the steps of executing zigzag-folding of a separator band-like in ...
https://drivepatents.com/patents/971763 · 6 Aug 2014
A charging control device using wireless power supply presents a risk that a cycle for sampling a current value/voltage value of a secondary side is lengthened and a measurement value of a controlled object does not converge on a target value. A charging c...
https://drivepatents.com/patents/972988 · 2 Jul 2014
An object of the present invention is to provide an inductive power supply system for an electric operation machine capable of readily increasing an allowable amount of a positional displacement between primary and secondary coils. [0002] An inductive powe...
https://drivepatents.com/patents/978512 · 12 Feb 2014
For reducing a storage capacity of a storage battery system and an installation cost at a constant-output control type of wind power plant, a wind power generation control device 3, 3a sets as a planned generation power value PT: an average wind generated ...
https://drivepatents.com/patents/979328 · 22 Jan 2014
To provide a wireless charging system which is capable of suppressing reduction of an electric power feeding efficiency due to imperfect alignment even when the imperfect alignment is caused between a transmitter unit and a receiver unit. A wireless chargi...