South Bend Controls, Inc.

Matthew E Leinheiser

Peter G Hutchings

William F Everett

Kevin C Heick

John W Mezas

A laminar flow control valve having a unitary housing, wherein the valve housing is coupled to a housing for an electrically powered solenoid device. The poppet is loosely secured to the valve stem by use of a magnet, which permits lateral movement between the poppet and the valve stem. In the preferred embodiment, a hemispherical poppet is mounted to the stem of the operating mechanism by a magnet which is fixedly secured to the stem, permitting lateral movement of the poppet to ensure self-alignment with the valve seat upon closing of the valve. An alternative embodiment utilizes conical surfaces of the valve seat and poppet.

Solenoid valve

A solenoid device having an output which is substantially linearly proportional to its electrical input and which includes an axially adjustable polepiece. The polepiece carries a permanent magnet which is annularly disposed about the polepiece and which provides an efficient magnetic circuit in conjunction with the electromagnetic coil of the solenoid.

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Mishawaka, IN, United States of America

Matthew E Leinheiser