Patent ID: 8915079
Filing Date: 2014-12-23
Classification: B60T

Abstract:
1. A brake actuator unit comprising: a housing; a master cylinder connected to one end of the housing and provided therein with first and second pistons arranged in parallel to each other; an operating fluid reservoir coupled to an upper portion of the master cylinder to store operating fluid; a simulator accommodated in the master cylinder to provide repulsive force to a pedal; an input shaft moving back and forth according to an operation of the pedal; a control plunger slidably moving back and forth together with the input shaft; first and second output shafts positioned corresponding to first and second pistons; and a pedal displacement sensor connected to the input shaft, wherein the control plunger is fluidly coupled to the simulator, and wherein a gap is arranged between the control plunger and the first and second output shafts such that the first and second output shafts move back and forth together with the control plunger when the control plunger has traversed the gap.