Magnetic displacement detection device for exhaust recirculation valve has movable holder pressed to guide surface by spring element to move with moving part

摘要

The detection device has a movable holder (20) carrying a magnet (30) and pressed to a guide surface (14) by the elastic force of a spring element (40), so that the movable holder moves with the moving part. The spring element may be a leaf spring extending round a fixing piece (41) and an intermediate piece (42) in the direction of movement of the movable part.