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US 10,481,022 B2Granted
Core-shell nanofiber textiles for strain sensing, and methods of their manufacture
AssigneeTexavie Technologies Inc.
InventorsPeyman Servati, Frank K. Ko, Saeid Soltanian, Amir Servati
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Abstract
This invention pertains to a low cost, low noise strain sensor based on a web of continuous core-shell nanofibers with conductive shell and mechanically robust core that can be attached or embedded on a variety objects for directional monitoring of static or dynamic changes in mechanical deformation and pressure. This is a low cost, highly sensitive strain sensor, with low noise and ease of integration for different applications from synthetic tactile skins, to vibrational and health monitoring.
Claims21
A resistive sensor assembly comprising:
- a plurality of resistive sensor devices, each comprising:
- a fiber mesh comprising a plurality of elongate fibers, wherein each fiber of the plurality of fibers comprises an electrical conductor comprising an electrically conductive exterior surface reversibly positionable into and out of contact with the electrically conductive exterior surfaces of adjacent fibers of the plurality of fibers;
- a first electrical contact electrically coupled to the electrical conductor of at least one of the plurality of fibers;
- and
- a second electrical contact electrically coupled to the electrical conductor of at least one of the plurality of fibers and spaced apart from first electrical contact, whereby the first and second electrical contacts are positioned to apply an electrical voltage or current across at least a portion of the fiber mesh;
- and
- at least one resiliently deformable encapsulating film encapsulating the plurality of resistive sensor devices;
- wherein the first and second electrical contacts of a first subset of the plurality of resistive sensor devices are positioned to apply the electrical voltage or current in a first direction;
- and
- wherein the first and second electrical contacts of a second subset of the plurality of resistive sensor devices are positioned to apply the electrical voltage or current in a second direction different from the first direction.
7 more elements
Dependencies are inferred from the claim text.