VENT VALVE FOR RE-CIRCULATING HYDRAULIC SYSTEM

摘要

A secondary reservoir (210) for apower steering system includes a container (205) having an inside volume configured to hold a fluid, a cover (290) attached to the container, a float (230) assuming a height within the container indicative of a level of the fuid within the container, and a vent valve (250) configured to open the inside volume of the container to an outsid atmosphere when the float is at a relatively low level within the container an to close the inside volume of the container when the float is above the low level.