Patent ID: 7192099
Filing Date: 2007-03-20
Classification: B60T

Abstract:
1. A brake device comprising: a brake cylinder, a reservoir arranged and constructed to accumulate a working liquid discharged from the brake cylinder, a pump arranged and constructed to transfer the working liquid accumulated within the reservoir, a master cylinder arranged and constructed to receive the working liquid discharged from the pump, and a pulsation-reduction device arranged and constructed to reduce pulsation in pressure of the working liquid discharged from the pump before the discharged working fluid communicates with the master cylinder, wherein the pulsation-reduction device comprises: a spool movable in response to a difference in pressure between a pump side of the communication channel and a master cylinder side of the communication channel, wherein the movement of the spool functions to open and close at least a part of the communication channel, wherein the pulsation-reduction device further comprises: