Speed sensor including insulating inner and outer recesses
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United States of America Patent
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Jan 24, 2023
Grant Date -
Oct 29, 2020
app pub date -
Jan 8, 2019
filing date -
Jan 12, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A speed sensor for measuring a speed of an object moving relative to the speed sensor, including: a speed sensor housing for providing sliding and/or frictional and/or positively locking insertion into a fixed receptacle, wherein the speed sensor housing houses an injection molded part which is made of plastic and into which at least part of a speed sensor element is injected; wherein the injection molded part has at least one outer recess, on its outer circumferential surface facing an inner face of a wall of the speed sensor housing, wherein an empty outer chamber is formed between each boundary surface of an outer recess and the inner face of the wall of the speed sensor housing, and/or wherein at least one inner recess, which forms an empty inner chamber, is formed inside the injection molded part. Also described are a related driver assistance system and a motor vehicle.
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