| 摘要 |
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.
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