Magnetostrictive torque sensor
The invention provides a magnetostrictive torque sensor capable of suppressing a molded resin from entering the periphery of a detection coil. A magnetostrictive torque sensor (1) detects a torque applied to a magnetostrictive material having magnetostrictive characteristics. A magnetostrictive torq...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides a magnetostrictive torque sensor capable of suppressing a molded resin from entering the periphery of a detection coil. A magnetostrictive torque sensor (1) detects a torque applied to a magnetostrictive material having magnetostrictive characteristics. A magnetostrictive torque sensor (1) is provided with: a detection coil disposed on the outer peripheral side of a magnetostrictive material; a magnetic ring (4) arranged on the outer peripheral side of the detection coil and comprising a ferromagnetic material; a housing (3) having a facing portion (311) facing the magnetic ring (4) with the detection coil therebetween; a closing member (5) that closes an opening formed between the magnetic ring (4) and the facing portion (311); a molded resin (6) that exposes the magnetic ring (4) and the closing member (5) and covers the housing (3); a cable (7) electrically connected to the detection coil and led out from the housing (3) and the molded resin (6); and a heat-shrinkable tube (8) that c |
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