FLUID FILTER DEVICE HAVING BYPASS AND INDICATOR MEANS

摘要

A fluid filter device of the type wherein a portion of the housing containing the filter element is adapted to be spun off from a cap member and to be disposed of with the filter element. The cap member is provided along with an inlet and an outlet respectively in fluid communication with the exterior and interior of the filter element for filtering fluid passing therethrough. A pressure responsive bypass valve is operable to directly connect the inlet with the outlet when the filter element becomes clogged by a predetermined amount. The bypass valve includes means operatively connecting it to an indicating means mounted exteriorly of the filter device to provide a visual indication to an attendant of the condition of the filtering element and the position of the bypass valve.