SENSOR SYSTEM FOR DETECTING THE POSITIONS OF TWO COMPONENTS THAT CAN MOVE RELATIVE TO ONE ANOTHER
First Claim
1. Sensor system for detecting positions of two at least partially ferritic components that are movable relative to one another, wherein one component is a stationary component and another movable component is movable lengthwise along a longitudinal extension of the stationary component, which two components are to be mounted next to one another, the sensor system comprising:
- a Hall sensor and a preloaded magnet, the Hall sensor and preloaded magnet being free of flux concentrators and shielding sheets, wherein the Hall sensor and the preloaded magnet are configured to be arranged along a longitudinal extension of a lengthwise movable component such that the sensor system will detect relative movement of two components by monitoring a free longitudinal end of a stationary component.
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Abstract
A sensor system is disclosed for detecting positions of two at least partially ferritic components that can move relative to one another, namely a stationary component and a component that can move lengthwise along a longitudinal extension of the stationary component, which are mounted right next to one another. The sensor system can include a Hall sensor and a preloaded magnet, eliminating flux concentrators and shielding sheets. The Hall sensor and the preloaded magnet are arranged along a longitudinal extension of the movable component such that relative movement of the two components is detected by monitoring a free longitudinal end of the stationary component.
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Citations
15 Claims
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1. Sensor system for detecting positions of two at least partially ferritic components that are movable relative to one another, wherein one component is a stationary component and another movable component is movable lengthwise along a longitudinal extension of the stationary component, which two components are to be mounted next to one another, the sensor system comprising:
a Hall sensor and a preloaded magnet, the Hall sensor and preloaded magnet being free of flux concentrators and shielding sheets, wherein the Hall sensor and the preloaded magnet are configured to be arranged along a longitudinal extension of a lengthwise movable component such that the sensor system will detect relative movement of two components by monitoring a free longitudinal end of a stationary component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15)
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12. A method is disclosed for detecting relative positions of two at least partially ferritic components that are movable relative to one another, wherein one component is a stationary component and another movable component is movable lengthwise along a longitudinal extension of the stationary component, which two components are mounted next to one another, the method comprising:
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monitoring a free longitudinal end of the stationary component with a sensor system having a Hall sensor and a preloaded magnet, the Hall sensor and preloaded magnet being free of flux concentrators and shielding sheets, wherein the Hall sensor and the preloaded magnet are configured to be arranged along a longitudinal extension of the lengthwise movable component such that the sensor system will detect relative movement of the two components; and generating a control signal for controlling a degree of inflation for a driver airbag and/or passenger airbag in response to the monitoring.
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Specification