Mikroventil

摘要

A microvalve for regulating a fluid flow has a valve base body (10) with a valve opening (12; 40) and a sealing edge, and a valve plate (14) with fluid passages (16; 60). The valve plate (14) is movable in the perpendicular direction in relation to the valve base body (10), so that in a first position the valve plate (14) closes the valve opening (12; 40) and in a second position it is vertically spaced away from the valve opening (12; 40), defining a cross-section of flow through the valve opening (12; 40) and the valve plate (14) determined by the distance between the sealing edge and the valve plate (14). The contour of the sealing edge (42) of the valve opening (12; 40) is selected in such a way that the sealing edge (42) is longer than the sealing edge (39) of a square-shaped valve opening of the same surface area.