Shape-memory element device for a fuel injection valve applies a controllable magnetic field towards magnetic field lines so as to operate a contraction and an expansion crosswise to these lines

摘要

On one of its side surfaces, a shape-memory element (SME) (1) has an arrangement of bearings lying exclusively near a neutral surface (22) and producing a linear connection (29) with a positive fit and/or a firm bond between the SME and one or more walls (17) in an adjustment casing (3). The SME has a groove and a guide device that works with the groove in a positive fit.