Patent ID: 6302244
Filing Date: 2001-10-16
Classification: F16D,F16F

Abstract:
A brake squeal attenuator apparatus for attenuating brake squeal in a brake assembly caused by torsional oscillation of a housing of the brake assembly during operation of the brake assembly, said apparatus comprising:an attenuator housing in fluid communication with said brake assembly and fixedly secured to said brake assembly so as to move therewith;a piston disposed within said attenuator housing, said piston having a weight sufficient to cause movement of said piston to tend to lag behind movement of said attenuator housing as said attenuator moves in an oscillating fashion with said brake assembly during a braking cycle; andwherein movement of said attenuator housing relative to said piston enables said attenuator apparatus to produce an oscillating pumping action of brake fluid to said brake assembly, said oscillating pumping action being operable to damp said torsional oscillation and thereby inhibit brake squeal from developing during said braking cycle.