A hydraulic brake system for automotive vehicles has a master brake cylinder (1) operable by a brake pedal, wheel brakes (VL, HR, VR, HL) being connected to said master brake cylinder via brake lines (11, 12), and a hydraulic power booster (22) supplied by a pressure medium source (42) and connected...http://www.google.ca/patents/US4815793?utm_source=gb-gplus-sharePatent US4815793 - Hydraulic brake system for automotive vehicles
