Linear and rotary magnetic sensor
First Claim
Patent Images
1. A sensor for detecting linear and rotary motion of a workpiece, comprising:
- a first magnet mounted on the workpiece;
a magnet based sensor for detecting motion responsive to said first magnet, at least a portion of said magnet based sensor mounted substantially parallel to the rotation axis of the workpiece; and
said first magnet being spirally mounted on at least a portion of the workpiece and juxtaposed to at least a portion of said magnet based sensor responsive to said first magnet.
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Abstract
A magnetic-based sensor is disclosed which can detect a linear and rotary position of a shaft whose movement is to be measured. Such sensor can operate to yield linear displacement as well as rotation. A position magnet is mounted on the shaft for measuring linear motion. A spirally wound magnet is mounted on the shaft to detect rotational motion. Both of such motions are detected by a single magnetic-based sensor.
22 Citations
18 Claims
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1. A sensor for detecting linear and rotary motion of a workpiece, comprising:
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a first magnet mounted on the workpiece;
a magnet based sensor for detecting motion responsive to said first magnet, at least a portion of said magnet based sensor mounted substantially parallel to the rotation axis of the workpiece; and
said first magnet being spirally mounted on at least a portion of the workpiece and juxtaposed to at least a portion of said magnet based sensor responsive to said first magnet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 15, 16, 17, 18)
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10. A gear system sensor to detect gear position, the gear system including a rotary and linear motor connected to, and linear displacing and rotating, a shifter shaft, comprising:
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a first magnet mounted on the shifter shaft;
a magnet based sensor for detecting motion through the use of said first magnet on the shifter shaft, at least a portion of said magnet based sensor mounted juxtaposed to the shifter shaft on which said first magnet is mounted; and
said first magnet being spirally mounted on at least a portion of the portion of the shifter shaft juxtaposed to said magnet based sensor. - View Dependent Claims (11, 12, 13)
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14. A sensor for detecting linear and rotary motion of a workpiece, comprising:
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a first magnet mounted on the workpiece;
magnet based means for detecting motion responsive to said first magnet, at least a portion of said magnet based magnet based means mounted substantially parallel to the rotation axis of the workpiece; and
said first magnet being spirally mounted on at least a portion of the workpiece and juxtaposed to at least a portion of said magnet based means responsive to said first magnet.
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Specification