| 摘要 |
PURPOSE: A brake pipeline system is provided to adjust the brake hydraulic pressure distributed to a rear wheel to be same as the brake hydraulic pressure distributed to a front wheel among undamaged pipelines when brake pipelines are damaged partially. CONSTITUTION: A brake pipeline system contains a master cylinder, a first inflow pipe and a second inflow pipe sending a fluid from the master cylinder to two front-wheel outflow pipes and two rear-wheel outflow pipes, a proportioning valve(400) formed to make the hydraulic pressure sent to the front-wheel outflow pipe larger than the hydraulic pressure sent to the rear-wheel outflow pipe, and a control housing(600) formed on the inside of the proportioning valve and composed of two control inlet ports(651,652), where a portion of a fluid flows inward from the inflow pipe, a partition member(660) closing a space between the control inlet ports and moved according to the difference in hydraulic pressure entered the control inlet ports, and two control outlet ports(655,656) connected to the rear-wheel outflow pipes and opened partially according to the movement of the partition member. |
