In some application, a narrow groove is cut into the piston above the top ring to serve as a "heat dam" to reduce the amount of heat reaching the top ring.
在一些实际结构中,一条窄槽切入顶端活塞环的上部,其作用是充当“隔热槽”以减少达到顶端活塞环的热量。
2
The piston rings carried in the ringgroove are of two basic types: compression rings and oil-control ring.
安装在环槽中的活塞环有两种类型:压缩环和机油环。
3
The ceramic treatment for the first ringgroove of ZL108aluminum alloy piston was conducted with micro-arc oxidation technique.