US PATENT SUBCLASS 267 / 140.14
.~.~.~ With electronic or magnetic control

Current as of: June, 1999
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267 /   HD   SPRING DEVICES

136  DF  RESILIENT SHOCK OR VIBRATION ABSORBER {8}
140.11  DF  .~ Including energy absorbing means or feature (e.g., supplemental vehicle equipment, such as motor mount, seat, etc., including additional fluid or friction energy absorber) {3}
140.13  DF  .~.~ Axial {1}
140.14.~.~.~ With electronic or magnetic control

DEFINITION

Classification: 267/140.14

With electronic or magnetic control:

(under subclass 140.13) Structure wherein the means or feature for absorbing mechanical energy has its damping effect varied (increased or decreased) by application of electrical energy.

(1) Note. Included herein are devices which increase or decrease the vibration damping effect by using fluids which undergo a change in viscosity upon application of electrical energy (i.e., electroviscous fluids) and devices wherein a flow passage between fluid containing chambers is varied in effective cross-section by means responsive to application of electrical or magnetic energy.