Other

Cte Chem Tec Equipment, Inc.

William A Nolan

John H Nolan

Craig S Custer

A method for monitoring the existence or non-existence of a given range of volumetric fluid flows through an input channel by correlating the same to a range of sensitivity of a magnetic sensor to a pole of a magnetic armature in a valve housing. Through modification of the geometry of a cross-section of an interface between an input channel containing said armature and an output channel, the range of fluid flows to which the armature and, thereby, the magnetic sensor will respond may be calibrated both upwardly and downwardly.

Method for monitoring ranges of volumetric fluid flow

There is disclosed a reset mechanism particularly adapted for use within a magnet valve in which the reset mechanism comprises a passageway within the valve housing connecting the inlet and outlet passages in which a reset valve normally interrupts a communication between the inlet and outlet side of the said reset passage to permit normal operation of the magnetic valve and to permit normal fluid flow through the inlet and outlet passages thereof prior to movement of said magnetic valve from its normally open to its normally closed position. After said magnetic valve has closed, this being responsive to a pre-determined excess of fluid pressure across the primary communication area between the inlet and outlet passages of the magnetic valve, the reset valve can be actuated to open the reset passage thereby creating an equalization of pressure between the outlet and inlet ports, thus eliminating the existence of any relative vacuum across the area of primary communication between the inlet and outlet passages and, thereby, eliminating any opposition to the return of the magnetic valve to its normally open position.

Magnetic valve

There is disclosed a fluid control device including housing, a fluid flow passage therein, and a fluid outlet passage communicating with said fluid inlet passage. Within the housing is a reciprocating valve capable of permitting or precluding communication between the inlet and outlet passages, the valve constituting a ferromagnetic armature susceptible to receiving an electromagnetic induction of a magnetic axis along its axis of reciprocation, such a magnetic axis generally corresponding to the longitudinal center of a fluid-tight chamber within said housing within which the valve may reciprocate. The valve is provided with a flow-responsive first radial end face disposed within a region of communication between the inlet and outlet passages. A fluid control device also includes a magnetic stator wound about the housing in the region of the reciprocating valve when the valve is in its open position. The stator, upon receipt of a current, is capable of electromagnetic co-action with the armature valve to thereby reciprocate said valve selectively out of or into closure across the region of communication between the inlet and outlet passages. The closure or non-closure of the reciprocating valve is dependent upon the direction of current flow through the windings of the stator. Thusly, the electromagnetic co-action between the armature valve and the stator may be used to selectively override an otherwise 'open' or 'closed' position of the reciprocating valve across the region of fluid communication between the inlet and outlet passages.

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Lighthouse Point, FL, United States of America

William A Nolan