Automotive pneumatic servo brake has gearing system operates in conjunction with a sliding end-stop for a pre-tensioned encapsulated spring

摘要

An automotive braking system has a pneumatic servo-system incorporating an elastic reaction element (25) with an input element (22) and an output element. A first input/output ratio is achieved under a first set of predefined conditions, and a second ratio is achieved with a gearing system (20). The gearing system (20) operates in conjunction with a sliding end-stop (33) for a pre-tensioned encapsulated spring (34) operating in conjunction with the input element (22).