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Article: Danish Inventor Develops Fluid Flow Control Valve
- Article from:
- US Fed News Service, Including US State News
- Article date:
- November 16, 2006
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ALEXANDRIA, Va., Nov. 16 -- Neils Frederiksen of Herlev, Denmark, has developed a valve body with at one end with a threaded shank for hermetic coupling to a gas container.
According to the U.S. Patent & Trademark Office: "The valve body is further provided with a handwheel incorporating a gas status indicator device. That device includes a spring-loaded plunger having a head and a helical stem that is engaged in a cavity of a rotatable body so that an axial movement of the plunger, in opposition to a spring biasing force, results in a rotation of the rotatable body. A visible portion of the rotatable body is marked so as to provide an indication of the axial position of the plunger ...