Tandem master cylinder sleeve

• Main Authors: NAKAMURA; YOSHIHIRO, KOSHIMIZU; NAGANORI, HAYASHIDA; YOSHIHIRO, ISHII; HIDEAKI
• Format: Patent
• Language: English
• Published: 07.08.1990
• Subjects: ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BEARINGS; BLASTING; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL; WEAPONS

A master cylinder in which a sleeve is provided inside a cylinder main body to define a first pressure chamber in cooperation with primary and secondary pistons. A plurality of through-holes adapted to communicate with an outlet port are disposed in the sleeve in such a manner as to be longitudinally spaced away from each other. positioning means is provided between the sleeve and the cylinder main body for positioning the sleeve with respect to the circumferential direction relative to the cylinder main body. The sleeve is positioned relative to the cylinder main body in such a manner that at least one of the plurality of through-holes adapted to establish communication between the outlet port and the first pressure chamber when the pistons are at their rearmost positions is located to face the top portion of the circumferential wall of the cylinder main body.