PROPORTIONAL VALVE BODY, PROPORTIONAL VALVE AND MANUFACTURING METHOD FOR PROPORTIONAL VALVE BODY
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United States of America Patent
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Feb 14, 2016
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Feb 16, 2015
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Abstract
The present disclosure discloses a proportional valve body, a proportional valve and a manufacturing method for a proportional valve body. The proportional valve body comprises a body extending in an axial direction, the body being provided with a first cavity and a second cavity penetrating therethrough in the axial direction and isolated from each other; the body being further provided with a first through hole penetrating through an outer wall of the body, the first hole being communicated with the first cavity and isolated from the second cavity. In the present disclosure, the first cavity and the second cavity of the proportional valve body penetrate through the body in the axial direction, thus the general structure of the proportional valve body can be obtained by means of extrusion molding. Extrusion molding has the advantages of easy operation, high productivity, and high utilization ratio of raw materials. And the proportional valve body obtained by means of extrusion molding has favorable structural and mechanical properties.
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