Waveguide-coupling device and position sensor device for a hydraulic cylinder, hydraulic cylinder and method for operating a waveguide-coupling device
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United States of America Patent
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Jan 12, 2021
Grant Date -
Jul 4, 2019
app pub date -
Feb 15, 2017
filing date -
Apr 12, 2016
priority date (Note) -
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Abstract
A waveguide-coupling device (14) for a hydraulic cylinder (10) has an outer conductor element (22) to which a microwave signal can be supplied, an inner conductor element (24) for coupling a waveguide mode into a liquid-filled inner chamber (16) of the hydraulic cylinder (10) and a dielectric insulating element (22) arranged between the inner conductor element (24) and the outer conductor element (20), wherein the inner conductor element (24) and the dielectric insulating element (22) as well as the dielectric insulating element (22) and the outer conducting element (20) are each connected to each other in a liquid-tight manner.
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