The piston moves up and down in the pistonchamber primarily in response to changes in intake manifold vacuum.
活塞主要因进气歧管真空度的变化而在活塞腔内上下移动。
2
It is mainly consisted of body, connecting pipe cushion container, pistonchamber, disc, valve stem and other parts.
主要由阀体、连接管、缓冲容器、活塞室、阀瓣、阀杆等零件组件。
3
The tube wall of same section of near end of said pistonchamber has three uniformly distributed small projections to prevent the piston out of the pistonchamber from near end.