MAGNETORHEOLOGICAL FLUID DAMPER

摘要

A piston of a magnetorheological fluid shock absorber is provided with a piston core having a small diameter portion mounted on an end portion of the piston rod, an enlarged diameter portion formed continuously in an axial direction with a diameter larger than the small diameter portion and forming a stepped portion, and a large diameter portion formed continuously in the axial direction with a diameter larger than the enlarged diameter portion and having a coil; a ring body surrounding the outer periphery of the piston core and forming a flow passage of the magnetorheological fluid between itself and the large diameter portion; a plate formed annularly and arranged on the outer periphery of the small diameter portion and mounted on one end of the ring body; and a stopper mounted on the small diameter portion and sandwiching the plate between the stopper and the stepped portion.