Patent ID: 8215610
Filing Date: 2012-07-10
Classification: F16K

Abstract:
1. A bi-directional electromechanical valve, comprising: a cylindrical upper cover; at least two semi-cylindrical permanent magnets, disposed at a bottom of the cylindrical upper cover; at least two semi-cylindrical cases, disposed at a bottom of the at least two semi-cylindrical permanent magnets, aligned and engaged with each other to form a cylindrical shape, and having a first internal groove and a second internal groove; an inverted U-shaped coil set, installed in the first internal groove, the inverted U-shaped coil set including a core and a coil wounded around the core, and having an inverted U-shaped cross-section; a cylindrical armature, installed in the second internal groove; a valve stem, with an end coming into contact with the cylindrical armature, and having at least one valve stem latch disposed proximate to a center of the valve stem, and a valve head located at an end of the valve stem for opening and closing a valve; a first spring, sheathed onto the valve stem, and installed between the cylindrical armature and the valve stem latch; and a second spring, sheathed onto the valve stem, and installed between the valve stem latch and the valve head.