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US 6,714,005 B2Granted
Non-contact type displacement sensor apparatus
AssigneeAisin Seiki Kabushiki Kaisha
InventorsMasahiro Kimura, Keiji Yasuda, Kiyohiro Fukaya
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Abstract
A non-contact type displacement sensor is provided with a housing, a rotational shaft being in an approximately cylindrical hollow shape, a magnetic circuit forming member disposed in an inner space of the rotational shaft, and a magnetic sensing element supported by a housing so as to be positioned on a central axis of the rotational shaft in a space enclosed by the magnetic circuit forming member, wherein the magnetic sensing element is not displaced.
Claims11
A displacement sensor comprising:
- a housing;
- a rotational shaft being in an approximately cylindrical hollow shape, the rotational shaft having a shoulder portion formed at an approximately central portion therein in an axial direction;
- a magnetic circuit forming member disposed in said shoulder portion of the rotational shaft;
- and
- a magnetic sensing element supported by a housing so as to be positioned on a central axis of rotational shaft in a space enclosed by the magnetic circuit forming member, wherein the magnetic sensing element is not displaced.
2 more elements
Dependencies are inferred from the claim text.