The pressure pulsation of the hydraulic control unit is attenuated. A damping device (100), which is provided in a hydraulic pressure control unit, has an inlet port (P1) connected to the discharge side of a pump and an outlet port (P2) communicating with the inlet port (P1), and attenuates pressure pulsation, is provided with: a first liquid chamber (S1) communicating with the inlet port (P1); a first piston (104) provided in the first liquid chamber (S1) so as to be slidable in a first sliding direction, the first piston (104) having a first through-hole (104b) formed therein, the first through-hole (104b) penetrating the first liquid chamber (S1) in the first sliding direction; a first valve body (106) capable of opening and closing the inlet port (P1) side of the first through hole (104b); a first biasing member (108) that biases the first valve body (106) toward the outlet port (P2); a protrusion member (109) that is disposed on the outlet port (P2) side with respect to the first valve body (106), that has a protrusion (109b) that extends in the first sliding direction, that can be inserted through the first through-hole (104b), and that can come into contact with the first valve body (106); and a second biasing member (110) that biases the first piston (104) toward the inlet port (P1).
使液压控制单元的压力脉动衰减。衰减装置(100)是设置在液压控制单元、具有与泵的喷出侧连接的入口端口(P1)以及与入口端口(P1)连通的出口端口(P2)、将压力脉动衰减的衰减装置(100),具备:第1液室(S1),与入口端口(P1)连通;第1活塞(104),在第1液室(S1)中设置为能够在第1滑动方向上滑动,形成有在第1滑动方向上贯通的第1贯通孔(104b);第1阀体(106),能够将第1贯通孔(104b)的入口端口(P1)侧开闭;第1施力部件(108),对第1阀体(106)向出口端口(P2)侧施力;突起部件(109),具有突起部(109b),所述突起部(109b)相对于第1阀体(106)配置出口端口(P2)侧,在第1滑动方向上延伸,能够插通于第1贯通孔(104b),能够抵接于第1阀体(106);以及第2施力部件(110),对第1活塞(104)向入口端口(P1)侧施力。
Damping device, hydraulic control unit, and brake system
衰减装置、液压控制单元及制动系统
07.06.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
DAMPING DEVICE, HYDRAULIC CONTROL UNIT, AND BRAKE SYSTEM
Europäisches Patentamt | 2024
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