| 摘要 |
PURPOSE: A pneumatic control valve of a transmission for a large vehicle is provided to prevent the inflow of moisture through a passage while forming the passage for discharging the pneumatic pressure of a crank chamber to the outside by changing the shape of parts. CONSTITUTION: A pneumatic control valve of a transmission for a large vehicle comprises an overmold(110), a bobbin(120), a core(130), a plunger(140), and a cover(160). The overmold is inscribed in a housing(100). The cover seals the top of the overmold and a cover(150). The plunger opens a passage of the cover while the magnetic force of a coil is decreased. A center passage(131) and side passages(132) radially extended from the center passage are formed in the core. Discharge passages(111,112) connected to the side passages are formed in the overmold. |
