(under subclass 170.1) Device wherein the means prevents or retards the flow of fluid between the runner* and the fixed element. The means comprises maze like or zigzag interconnecting passages formed by the opposing runner part and fixed element surfaces, through which passages the fluid must flow to pass between the runner and the fixed element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
173.5, for a labyrinth seal between a runner* blade* edge and a static part.
