VENT VALVE FOR RE-CIRCULATING HYDRAULIC SYSTEM

摘要

A secondary reservoir for apower steering system includes a container having an inside volume configured to hold a fluid, a cover attached to the container, a float assuming a height within the container indicative of a level of the fuid within the container, and a vent valve configured to open the inside volume of the container to an outside atmosphere when the float is at a relatively low level within the container and to close the inside volume of the container when the float is above the low level.