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https://drivepatents.com/patents/973754 · 11 Jun 2014
The small-sized vehicle has two running wheels, a sensor device for detecting the manually introduced driving force, a drive motor (34) for running wheels, and a control device for controlling the drive motor depending on the detected manual driving force....
https://drivepatents.com/patents/975698 · 23 Apr 2014
The vehicle i.e. wheelchair (10), has two removable running wheels (14) comprising motor boosters, where energy storage units (16) for the boosters are removably arranged outside the wheels on the vehicle. The wheels are connectable with the vehicle and a ...
https://drivepatents.com/patents/1011546 · 29 Jun 2011
The vehicle is provided with a body; a pair of right and left wheels; a first motor that drives one of the wheels; a second motor that drives the other one of wheels; a controller for receiving a target current value for the first motor and controlling cur...
https://drivepatents.com/patents/1072876 · 2 Nov 2005
A wheelchair has a base and a plurality of wheels supporting the base on a supporting surface. At least one of the wheels is a driven wheel. One of the wheels may be a non-driven wheel. One or more of the wheels, driven or non-driven, is adapted to be stee...
https://drivepatents.com/patents/1092551 · 15 Oct 2003
An electric-powered vehicle includes electric-powered drivers for driving wheels, a controller for controlling the electric-powered drivers to generate an assisting driving force in accordance with a vehicle operating force by an operator, and a brake-oper...