The present disclosure relates to a brake actuator. The brake actuator, which is configured to press or release a piston toward a brake pad and be controlled by an electrical signal, includes a power generating part provided to generate power by an electrical signal, a spindle member provided to rotate by receiving power from the power generating part and having a first screw portion formed on an outer circumferential surface, and a nut member provided to press or release the piston, the nut member having a second screw portion formed on an inner circumferential surface to be engaged with the first screw portion, wherein a size of a pitch between adjacent threads of the first screw portion is changed in a constant cycle along a rotation direction.
BRAKE ACTUATOR
2022-09-22
Patent
Electronic Resource
English