PROBLEM TO BE SOLVED: To improve the practicality of a regulator and a hydraulic brake system having the regulator.SOLUTION: In a regulator 24, a control piston 104 includes low-pressure source communication passages 130, 132 for making a pressure regulation chamber R8 communicate with a low-pressure source, the low-pressure source communication passage 130 is blocked by the contact of a front end with a valve rod 108 accompanied by the advance of the control piston 104, and the valve rod 108 is separated from a valve seat 106 accompanied by the further advance of the control piston 104. The control piston 104 has a piston main body 110, a second valve seat member 112 in which an opening part of the low-pressure source communication passage 130 is formed, and an elastic body 114 which is interposed between the piston main body 110 and the second valve seat member 112, and connects them.
【課題】レギュレータ、および、そのレギュレータを備えた液圧ブレーキシステムの実用性を向上させる。【解決手段】制御ピストン104が、調圧室R8を低圧源に連通するための低圧源連通路130,132を含み、制御ピストン104の前進に伴って前方端が弁ロッド108に接することにより低圧源連通路130が塞がれるように構成されるとともに、制御ピストン104のさらなる前進に伴って弁ロッド108を弁座106から離座させるように構成されたレギュレータ24において、制御ピストン104を、ピストン本体110と、低圧源連通路130の開口部が形成された第2弁座部材112と、それらピストン本体110と第2弁座部材112との間に介装されてそれらを連結する弾性体114とを有するものとする。【選択図】図2
REGULATOR AND HYDRAULIC BRAKE SYSTEM
レギュレータおよび液圧ブレーキシステム
2015-12-07
Patent
Electronic Resource
Japanese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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