| 摘要 |
A trap apparatus of an intake system is provided to improve output of an engine by collecting evaporation gas from the engine in closing a trap during traveling at low speed and increasing the air suction amount in opening the trap around a shaft rod during traveling at high speed. A trap apparatus of an intake system includes a circular ring-shaped frame(20) having an axial groove(21), a shaft rod(30) combined with the shaft groove, first and second absorbing blades(41,42) combined with the shaft rod, closed during traveling at low speed and opened during traveling at high speed, and a spring(50) combined with both ends of the shaft rod to fix the first and second absorbing blades and to easily turn and open the first and second absorbing blades by applying elastic force. A first assembling part is formed in an intake hose, and the frame is inserted to the first assembling part. A second assembling part is inserted to the end of the frame, and formed in a connection pipe. The first and second absorbing blades are made of active carbon or zeolite, and the spring is composed of a coil part(51) combined with the shaft rod and a connection part(52) extended to the coil part and fixed to the first and second absorbing blades.
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