<p>Disclosed is a motor operated valve including a valve body with an inlet and outlet and a valve seat therebetween. A valve core reciprocates between open and closed positions by threads of the valve core cooperating with threads on a shaft which rotates with the armature of the motor. The armature has a plurality of spaced apart permanent magnets, a bearing assembly, and is enclosed by a magnetically transparent enclosure closed at one end and hermetically sealed at its other end to the valve body. Lying closely outside the enclosure is a drive stator that includes drive windings and plural Hall-effect devices for commutation of the windings.</p>
申请公布号
HK1066985(A1)
申请公布日期
2005.06.03
申请号
HK20040110324
申请日期
2004.12.29
申请人
HANSEN TECHNOLOGIES CORPORATION
发明人
HANSEN, CHARLES, C.;YENCHO, JOHN, A.;KOZI, MARTIN, F.