发明名称 MAGNETIC POSITION SENSOR WITH FIELD DIRECTION MEASUREMENT AND FLUX COLLECTOR
摘要 The present disclosure relates to a magnetic position sensor with field direction measurement and a flux collector. The disclosure proposes to measure two magnetic induction components at one and the same point, harmonizing the amplitude of the two magnetic induction components using flux collectors so as to have a ratio of the amplitudes of these two components close to one. For this purpose, the disclosure provides a contactless position sensor including at least one permanent magnet, emitting a magnetic field, at least one detection element sensitive to the direction of the magnetic field, and at least one pair of flux collectors, the permanent magnet being capable of moving in a direction of displacement and having a direction of magnetization that can be continuously varied according to the direction of displacement. Each flux collector has at least one portion, provided with an end, extending substantially along the direction of displacement of the magnet. The ends of a pair of flux collectors define a gap oriented along the direction of displacement of the magnet. The detection element is positioned outside the gap and substantially equidistant from the ends.
申请公布号 US2011254543(A1) 申请公布日期 2011.10.20
申请号 US200913125768 申请日期 2009.09.28
申请人 MOVING MAGNET TECHNOLOGIES (MMT) 发明人 FRACHON DIDIER;MASSON GERALD;BIWERSI STEPHANE
分类号 G01B7/30;G01B7/14 主分类号 G01B7/30
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