BRAKE BOOSTER FOR CAR

• Main Author: LEE, WANG SU
• Format: Patent
• Language: English; Korean
• Published: 05.06.2001
• Edition: 7
• Subjects: ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; TRANSPORTING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL

PURPOSE: A brake booster makes a valve main body and a control plunger part used in common to reduce manufacturing cost. CONSTITUTION: A brake booster includes a movable plunger(80) and a supporting spring(90). The movable plunger(80) is placed between a reaction disk(51) and a control plunger(70) movably forward and backward. The supporting spring(90) is a coil spring placed between the movable plunger(80) and the control plunger(70) to transmit the reaction force of the reaction disk(51) to an input shaft(40). A first seat(81) is placed on the rear end of the movable plunger(80) to accommodate one end of the supporting spring(90). A second seat(72) is placed on the front end of the control plunger(70) to accommodate the other end of the supporting spring(90).