F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
342/38
F16K 31/08 (2006.01) H01F 7/06 (2006.01) H01F 7/13 (2006.01) H01F 7/16 (2006.01)
Patent
CA 1129528
ABSTRACT The present invention is an electrically controlled valve that includes an elongated valve body with an axial passageway disposed along the elongation axis thereof. The valve body has at least one inlet passageway and at least one outlet passageway in fluid communication with the axial passage- way. The valve includes structure for establishing a static magnetic field within the valve body and axial passageway. The valve member is mounted within the axial passageway for reciprocation therein to selectively establish fluid communication between the inlet and outlet passageways of the valve body. The valve member has a portion thereof formed of material that is magnetizable. An electromagnetic device is mounted to the valve body for inducing a magnetic field within the magnetizable portion of the valve member such that the induced magnetic field interacts with the static magnetic field to position the valve member axially. Control apparatus is provided for regulating the energization of the electromagnetic device to thereby control the axial position of the valve member. The valve body is a substantially cylindrical member with the axial passageway disposed along its central axis. The valve member includes a spool portion and first and second magnetizable end portions. The electromagnetic device is, in the pre- ferred embodiment, a coil which is mounted at each end of the cylindrical valve body into which the first and second magnetizable portions of the valve member extend. The con- trol apparatus includes electrical control circuit that regulates the magnitude and direction of direct current through the coil.
340789
Barrigar & Moss
Gresen Manufacturing Company
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