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Piezoelectric fiber composite having separate joint portions and piezoelectric clothing containing the same
US12063862B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12063862-B2 |
| Application number | US-202017094357-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 10, 2020 |
| Priority date | Jun 12, 2018 |
| Publication date | Aug 13, 2024 |
| Grant date | Aug 13, 2024 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A piezoelectric fiber composite that includes a substrate having a first expansion and contraction rate, a piezoelectric fiber assembly having piezoelectric fibers that generate electrical charges upon application of external energy and has a second expansion and contraction rate different from the first expansion and contraction rate of the substrate, and a joint portion that joins the substrate and the piezoelectric fiber assembly.
First claim
Opening claim text (preview).
The invention claimed is: 1. A piezoelectric fiber composite comprising: a substrate having a first expansion and contraction rate; a piezoelectric fiber assembly having piezoelectric fibers that generate electrical charges upon application of external energy, the piezoelectric fiber assembly having a second expansion and contraction rate different from the first expansion and contraction rate of the substrate; and at least two separate joint portions that face each other across the piezoelectric fiber assembly and join the substrate and the piezoelectric fiber assembly such that the piezoelectric fiber assembly is stretchable between the at least two separate joint portions. 2. The piezoelectric fiber composite according to claim 1 , wherein the first expansion and contraction rate of the substrate is lower than the second expansion and contraction rate of the piezoelectric fiber assembly. 3. The piezoelectric fiber composite according to claim 1 , wherein the piezoelectric fiber assembly is joined to the substrate in a state of being stretched to a length longer than a natural length of the piezoelectric fiber assembly. 4. The piezoelectric fiber composite according claim 1 , wherein the substrate has a sheet shape; and the piezoelectric fiber assembly is disposed on one surface of the substrate. 5. The piezoelectric fiber composite according to claim 1 , wherein the piezoelectric fiber assembly is constructed such that the electrical charges generated upon the application of the external energy are sufficient to exhibit antibacterial properties. 6. The piezoelectric fiber composite according to claim 1 , wherein the piezoelectric fibers comprise polylactic acid. 7. The piezoelectric fiber composite according to claim 1 , wherein the piezoelectric fibers include a right-handed piezoelectric thread and a left-handed piezoelectric thread. 8. The piezoelectric fiber composite according to claim 7 , wherein the right-handed piezoelectric thread and the left-handed piezoelectric thread are each multifilament threads. 9. A piezoelectric clothing comprising the piezoelectric fiber composite according to claim 1 . 10. The piezoelectric clothing according to claim 9 , wherein the piezoelectric fiber assembly is arranged on a body facing side of the piezoelectric clothing.
Assignees
Inventors
Classifications
Piezoelectric device making · CPC title
Macromolecular compositions · CPC title
producing electrical output from mechanical input, e.g. generators (for measurement devices G01) · CPC title
antistatic; conductive · CPC title
Fabrics having an electronic function · CPC title
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- What does patent US12063862B2 cover?
- A piezoelectric fiber composite that includes a substrate having a first expansion and contraction rate, a piezoelectric fiber assembly having piezoelectric fibers that generate electrical charges upon application of external energy and has a second expansion and contraction rate different from the first expansion and contraction rate of the substrate, and a joint portion that joins the substra…
- Who is the assignee on this patent?
- Kao Corp, Okamoto Corp, Murata Manufacturing Co
- What technology area does this patent fall under?
- Primary CPC classification H10N30/702. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 13 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).