(under subclass 266) Internal resistance motion retarder wherein a medium comprises a dipolar field of force in which the density is related to the intensity.
SEE OR SEARCH CLASS
192, Clutches and Power-Stop Control,
84.1+, for electric or magnetic operators.
267, Spring Devices,
140.14+, for a spring device with energy absorbing means including fluid and magnet flux dampening.
310, Electrical Generator or Motor Structure,
92, for electrical generator or motor structure including a magnetic flux brake. 318, Electricity: Motive Power Systems,
362+, for a brake on an electric motor, wherein the brake uses magnetic flux to retard rotation.
