Patent Number: 6,305,166

Title: Master cylinder with dynamically adjustable hydraulic reaction

Abstract: A hydraulic-reaction master cylinder (2) having a working chamber (12) in which slides a hollow main piston (13) with a bore (130) therein which retains a reaction piston (14) to define a reaction chamber (15). The reaction chamber (15) has an annular shape and communicates with the working chamber (12) through at least one non-return valve (22) or an axial passage (23). The axial passage (23) is closed off selectively an axial stub (141) that extends from the reaction piston (14).

Inventors: Jacques; Carre (Le Raincy, FR), Leboisne; Cedric (Paris, FR)

Assignee: Bosch Systemes de Freinage

International Classification: B60T 13/573 (20060101); B60T 13/52 (20060101); B60T 013/20 ()

Expiration Date: 10/23/2018