Importance

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Abstract

A bidirectional flow control valve for use in a hydraulic system to regulate fluid flow in either direction of flow through the valve. The valve includes a housing, a slidable sleeve, two opposite springs, and two opposite cap nuts. The housing has a bore and a sidewall with first ports located adjacent to one end and second ports located adjacent to the other end. The slidable sleeve has an interior wall disposed therein to form a first chamber and a second chamber. The interior wall has an axial port to permit flow of fluid therethrough. The first spring is disposed within the first chamber of the slidable sleeve and constrained therein by the cap nut. The second spring has the same tension as the first spring and disposed within the second chamber of the slidable sleeve and constrained therein by the cap nut. The slidable sleeve is self-adjustable to an equilibrium position within the valve housing to at least partially open the first and second ports of the valve housing.

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First Claim