Vacuum-assisted brake booster for amplifying brake pedal in braking system of motor vehicle, has shell that is completely enclosed in soundproofing box, and including front and rear semi-boxes that are joined along transversal joint plane

摘要

The booster (41) has a circular shell (40) centered on an axis of the booster. The shell includes a front face receiving a master brake cylinder (44) and a rear surface connected to a support (60). The shell is completely enclosed in a soundproofing box, and includes a front semi-box (42) and a rear semi-box (62) that are joined along a transversal joint plane. The support connects the shell to a body of a vehicle, where the semi-boxes are realized by molding a plastic material.