The invention discloses a vehicle braking system comprising an energy accumulator (40). The energy accumulator (40) comprises a cylinder body (410) having a first end defining a fluid port (412); an end cover (450) installed at the second end of the cylinder body (410), wherein the end cover (450) and the cylinder body (410) jointly define a piston cavity (430) in fluid communication with the fluid port (412); and a piston (440) contained within the piston cavity (430) and capable of axially reciprocating therein. An elastic element (460) is clamped between the piston (440) and the end cover (450), the piston cavity (430) is divided by the piston (440) into a high pressure side in fluid communication with the fluid port (412) and a low pressure side where the elastic element (460) is located. The energy accumulator (40) further comprises a drain port (499) configured to direct brake fluid leaking from the high pressure side of the piston cavity (430) to the low pressure side of the piston cavity (430) away from the low pressure side. The invention further relates to the energy accumulator in the vehicle braking system.
本申请公开了一种包括蓄能器(40)的车辆制动系统,所述蓄能器(40)包括:缸体(410),其具有限定出流体端口(412)的第一端部;和端盖(450),其被安装于所述缸体(410)的第二端部并且与所述缸体(410)共同限定出与所述流体端口(412)流体连通的活塞腔(430);和被容置于所述活塞腔(430)内并且能够在其中轴向往复移动的活塞(440),弹性元件(460)夹置于活塞(440)和端盖(450)之间,活塞腔(430)被活塞(440)分隔为与流体端口(412)流体连通的高压侧和弹性元件(460)所处的低压侧,其中,所述蓄能器(40)还包括被配置用于将从所述活塞腔(430)的高压侧泄露到所述活塞腔(430)的低压侧的制动液引导离开所述低压侧的排泄口(499)。本申请还涉及该车辆制动系统中的蓄能器。
Vehicle braking system and energy accumulator thereof
车辆制动系统及其蓄能器
22.10.2021
Patent
Elektronische Ressource
Chinesisch
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