Patent ID: 6409102
Filing Date: 2002-06-25
Classification: F02M

Abstract:
A valve, comprising:an inner housing of magnetically permeable material, said inner housing having an outlet port therein; a stopper member of magnetically permeable material movably supported within said inner housing, said stopper member is an elongated, tubular member having a tapered head portion and a constant and continuous cross-section for the remaining length thereof; a central housing member of non-magnetically permeable material received within said inner housing and adjacent at least a portion of said stopper member, wherein said inner housing and said central housing member define a passage in which said stopper member is received, said passage has a shape that substantially corresponds to said tapered head portion and constant and continuous cross-section of the remaining length thereof of said stopper member such that said stopper member is movably received within and substantially fills said passage; and an electrically-energizeable coil adjacent said inner housing.