HYDRAULIC BRAKE SYSTEM

• Main Authors: UCHIDA KIYOYUKI, NISHIO AKITAKA, KOMAZAWA MASAAKI, NINOYU MASAKI, MARUYAMA MASAKI, KAMIYA YUSUKE
• Format: Patent
• Language: English; Korean
• Published: 17.02.2016
• Subjects: ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BLASTING; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; BRAKES; CLUTCHES; COUPLINGS FOR TRANSMITTING ROTATION; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; THERMAL INSULATION IN GENERAL; TRANSPORTING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL; WEAPONS

안티록 제어 중의 슬립 제어 장치의 작동에 의한 상류측부의 액압의 진동에서 기인하는 브레이크 실린더 액압의 제어 정밀도의 저하를 억제한다. 상류측부의 액압의 진동은, 마스터 실린더의 가압 피스톤, 레귤레이터의 제어 피스톤을 개재하여 제어압실에 전달된다. 그것에 대하여, 안티록 제어 중에 있어서는, 증압 리니어 밸브, 감압 리니어 밸브가 개방 상태로 되고, 제어압실의 용적 변화가 허용되고, 강성이 낮게 된다. 그것에 의해, 제어압실의 액압의 진동이 억제되고, 전방 가압실의 액압의 진동이 억제된다. 그 결과, 전방 가압실의 액압을 이용하여 실시되는 안티록 제어에 있어서, 브레이크 실린더의 액압의 제어 정밀도의 저하를 억제할 수 있고, 제동 거리가 길어지는 것을 양호하게 회피할 수 있다. The present invention reduces lowering in control accuracy for a hydraulic pressure in a brake cylinder, which lowering is caused by vibrations of a hydraulic pressure in an upstream portion due to operations of a slip control device during anti-lock control. The vibrations of the hydraulic pressure in the upstream portion are transmitted to a control pressure chamber via a pressurizing piston of a master cylinder and a control piston of a regulator. During anti-lock control, in contrast, a pressure-increase linear valve and a pressure-reduction linear valve are opened, allowing change in volume of the control pressure chamber, resulting in reduction in stiffness. This reduction suppresses vibrations of a hydraulic pressure in the control pressure chamber, resulting in suppression of vibrations of a hydraulic pressure in a front pressure chamber. As a result, it is possible to reduce the lowering in control accuracy for the hydraulic pressure in the brake cylinder in anti-lock control using the hydraulic pressure in the front pressure chamber, which can well avoid a long braking distance.