| 摘要 |
PCT No. PCT/EP90/01294 Sec. 371 Date Apr. 7, 1993 Sec. 102(e) Date Apr. 7, 1993 PCT Filed Aug. 8, 1990 PCT Pub. No. WO92/02962 PCT Pub. Date Feb. 20, 1992.The invention relates to an elastic clamping device for at least one body with magnetostrictive properties, wherein a pressure force presses the clamping device against the inner magnetostrictive body with a predetermined force. The pressure force extends in the direction of contraction and perpendicular to the direction of expansion both caused by the influence of a magnetic field on the magnetostrictive body and results in a prestress acting in the direction of contraction in the magnetostrictive body. The predetermined pressure from the pressure force exerted on the clamping device and thus on the magnetostrictive body is adjustable by means of a resilient force or mechanical setting device.
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