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US 2003/0076088 A1Published application
Rotation angle sensor
AssigneeAB Elektronik GmbH
InventorsPeter Apel, Klaus Wilczek
Life of this patent
Estimating the term…
Abstract
A rotation angle sensor for use in a throttle adjustment device is disclosed, which includes a stator unit having at least two stator part elements positioned relative to each other leaving a spacer recess therebetween; a Hall sensor positioned in the spacer recess; a rotor unit having a magnetic element having a connector element molded into the rotor unit; a plug unit; and a housing unit adapted to partially house the stator unit.
Claims44
A rotation angle sensor, especially for a throttle adjustment device, comprising:
- a stator unit having at least two stator part elements, said at least two stator
- part elements being positioned relative to each other leaving a spacer recess therebetween;
- at least one Hall sensor positioned in the spacer recess;
- a rotor unit having at least one annular magnetic part element, said rotor unit being moveable relative to stator unit;
- a plug unit;
- and
- a housing unit adapted to at least partially house the stator unit, wherein said at least one annular magnetic part element has a connector element molded into the rotor unit.
4 more elements
A rotation angle sensor, for use in a throttle adjustment device, comprising:
- a stator unit having at least two stator part elements, said at least two stator part elements being positioned relative to each other leaving a spacer recess therebetween, each of said at least two stator part elements having a connector element;
- at least one Hall sensor positioned in the spacer recess;
- a rotor unit having at least one annular magnetic part element, said rotor unit being movable relative to stator unit;
- a plug unit connected to said at least one Hall sensor by a pressed screen;
- and
- a housing unit adapted at least partially house the stator unit, wherein at least said connector elements of said stator part elements and the pressed screen are at least partially molded into the housing element.
3 more elements
A rotation angle sensor, for use in a throttle adjustment device, comprising:
- a stator unit having at least two stator part elements, said at least two stator part elements being positioned relative to each other leaving a spacer recess therebetween;
- at least one Hall sensor positioned in the spacer recess,
- a rotor unit having at least one annular magnetic part element having a magnetic segment, said rotor unit being movable relative to said stator unit;
- a plug unit;
- and
- a housing unit in which at least said stator unit is at least partially housed,
- wherein said at least one annular magnetic part element had a connector element positioned with said magnetic segment in said rotor unit.
4 more elements
A rotation angle sensor for use in a throttle adjustment device, comprising:
- a stator unit having at least two stator part elements, said at least two stator part elements being positioned relative to each other leaving a spacer recess therebetween;
- at least one Hall sensor positioned in the spacer recess;
- a rotor unit having at least one annular magnetic part element, said rotor unit being movable relative to said stator unit, said at least one annular magnetic part element having at least one magnetic segment with at least one flux conductor sheet thereon;
- a plug unit;
- and
- a housing unit in which at least the stator unit is at least partially housed.
3 more elements
A rotation angle sensor for use in a throttle adjustment device, comprising:
- a stator unit having at least two stator part elements, said at least two stator part elements being positioned relative to each other leaving a spacer recess therebetween, each of said at least two stator part elements having a connector element;
- at least one Hall sensor positioned in the spacer recess;
- a rotor unit with at least one annular magnetic part element having at least one magnetic segment having a connector element, said rotor unit being movable relative to stator unit;
- said magnetic part element being molded at least with the connector element into the rotor unit;
- a plug unit connected to said at least one Hall sensor by a pressed screen;
- and
- a housing unit adapted to at least partially house the stator unit, wherein said connector elements of the stator part elements and the pressed screen are at least partially molded into the housing unit.
4 more elements
A rotation angle sensor, for use in a throttle adjustment device, comprising:
- a stator unit having at least two stator part elements, said at least two stator part elements being position relative to each other leaving a spacer recess therebetween, each of said at least two stator part elements having a connector element;
- at least one Hall sensor positioned in the spacer recess;
- a rotor unit having at least one annular magnetic part element, said rotor unit being movable relative to stator unit, said at least one annular magnetic part element having at least one magnetic segment with at least one flux conductor sheet located thereon, said at least one magnetic segment and said at least one flux conductor sheet being molded at least partially into said rotor unit;
- a plug unit connected to said at least one Hall sensor by a pressed screen;
- and
- a housing unit adapted to at least partially house the stator unit, said pressed screens being at least partially molded into said housing unit.
3 more elements
An improved rotation angle sensor comprising:
- a stator unit comprising two asymmetric partial stator elements positioned relative to each other to leave two spacer openings therebetween, and at least one Hall unit located in at least one spacer opening, and a rotor unit comprising a magnet element supported by a magnet support element, and which is movable relative to the stator elements while maintaining an air gap, the improvement comprising, the partial stator elements are divided in the shape of partial rings, comprising a large partial stator element and a small partial stator element, in a ratio of about 2/3 to 1/3, with the two co-linear spacer openings therebetween, the large and the small stator elements are at least partially molded of a magnetically non-conducting material, and the magnet element consists of two magnetically bi-polar partial magnet segment elements, which are at least partially molded of an additional magnetically non-conducting material.
Dependencies are inferred from the claim text.