References in periodicals archive ?
First, a soft characteristic of a direct-current motor with series excitation winding and a high moment of the inertia of its rotor greatly contribute to the development of significant oscillations.
Nidec America will focus on the manufacture of spindle motors and brushless direct-current motors, the company said.
The high quality, miniature, direct-current motors are mounted inside lightweight rigid tubes of carbon fibre.
A Vermont county extension service agent contacted the Rural Information Center when a handicapped small-business client, seeking a USDA Small Business Innovation Research (SBIR) grant, needed the names of electrical contractors who built small variable-speed direct-current motors the businessman needed for his specialized wheel chair invention.
Full browser ?