Atlas Fluid Controls Inc.

Marc B Leonard

A servo valve body is made by first boring a central cylindrical passageway, for receiving a valve spool, through an elongated, substantially rectangular valve block of tool steel. A plurality of cross slots are cut through the valve block, from one side through to the opposite side, at intervals along the length of the block, orthogonally to the axis of the passageway. The cross slots are cut by use of electronic discharge machining technology. The cross slots serve as fluid flow chambers when the cross slots are terminated by transition plates secured to the opposite sides of the valve block. The transition plates provide fluid inlet, outlet and drain ports. The valve block in combination with the transition plates comprises the servo valve body.

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Cypress, TX, United States of America

Marc B Leonard