摘要 |
<p>A regulator-unloader for fluid systems comprising, in a housing; an inlet passageway; an outlet passageway connected to said inlet passageway; a piston movable within said outlet passageway; an outlet valve connected to said inlet passageway and to said outlet passageway outwardly of said piston; a bypass passageway connected to said inlet passageway; a main bypass valve spaced within said bypass passageway; and a rod spaced within said inlet passageway and connected at one end to said piston and at the other end to said bypass valve; said rod being pivotally mounted in the housing at a point intermediate its ends.</p> |