Patent ID: 8215723

Claim:
A hydraulic braking circuit of a vehicle comprising: a master cylinder ( 1 ); and a hydraulic pump ( 3 ); characterized in that a bladder ( 10 ) comprises at its periphery a metal braid ( 16 ), the metal braid ( 16 ) being porous to and exposed to ambient air and retaining a membrane ( 17 ) in order to inject an additional volume of hydraulic fluid by suction by the hydraulic pump ( 3 ), this suction deforming the membrane ( 17 ) of the bladder ( 10 ) under a vacuum effect, the membrane ( 17 ) having an outer surface directly engageable with the metal braid ( 16 ) and exposed to the ambient air through the metal braid ( 16 ), the membrane ( 17 ) having an inner surface exposed to the hydraulic fluid.