Piezoelectric actuator, piezoelectric motor, robot, hand, and pump
US-2017279033-A1 · Sep 28, 2017 · US
Driving device, piezoelectric motor, electronic component conveyance apparatus, and robot
US10559740B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10559740-B2 |
| Application number | US-201715709864-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 20, 2017 |
| Priority date | Sep 26, 2016 |
| Publication date | Feb 11, 2020 |
| Grant date | Feb 11, 2020 |
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- Title
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Abstract
Official abstract text for this publication.
A driving device includes a plurality of motive power generators that receive electric power supply and generate motive power, the plurality of motive power generators form a plurality of sets of motive power generators in which two or more of the motive power generators are electrically parallel-connected, and the plurality of sets of motive power generators are electrically series-connected. A driving device includes a plurality of vibrators that receive electric power supply and vibrate and provide drive power for driving a driven member to the driven member, the plurality of vibrators form a plurality of sets of vibrators in which two or more of the vibrators are electrically parallel-connected, and the plurality of sets of vibrators are electrically series-connected.
First claim
Opening claim text (preview).
What is claimed is: 1. A driving device comprising a plurality of motive power generators that receive electric power supply and generate motive power, the plurality of motive power generators forming a plurality of sets of motive power generators in which two or more of the motive power generators are electrically parallel-connected, and the plurality of sets of motive power generators electrically series-connected. 2. A driving device comprising a plurality of vibrators that receive electric power supply and vibrate and provide drive power for driving a driven member to the driven member, the plurality of vibrators forming a plurality of sets of vibrators in which two or more of the vibrators are electrically parallel-connected, and the plurality of sets of vibrators electrically series-connected. 3. The driving device according to claim 2 , further comprising a drive circuit that drives the plurality of vibrators. 4. The driving device according to claim 2 , further comprising a transmitting portion that transmits the drive power of the vibrators to the driven member. 5. The driving device according to claim 2 , wherein the two or more vibrators forming the set of vibrators are stacked one on top of the other. 6. The driving device according to claim 2 , wherein the vibrator includes a piezoelectric element. 7. A piezoelectric motor comprising: a driven member; and the driving device according to claim 2 that drives the driven member. 8. A piezoelectric motor comprising: a driven member; and the driving device according to claim 3 that drives the driven member. 9. A piezoelectric motor comprising: a driven member; and the driving device according to claim 4 that drives the driven member. 10. A piezoelectric motor comprising: a driven member; and the driving device according to claim 5 that drives the driven member. 11. A piezoelectric motor comprising: a driven member; and the driving device according to claim 6 that drives the driven member. 12. An electronic component conveyance apparatus comprising the driving device according to claim 1 . 13. An electronic component conveyance apparatus comprising the driving device according to claim 2 . 14. An electronic component conveyance apparatus comprising the driving device according to claim 3 . 15. An electronic component conveyance apparatus comprising the driving device according to claim 4 . 16. An electronic component conveyance apparatus comprising the driving device according to claim 5 . 17. A robot comprising the driving device according to claim 1 . 18. A robot comprising the driving device according to claim 2 . 19. A robot comprising the driving device according to claim 3 . 20. A robot comprising the driving device according to claim 4 .
Assignees
Inventors
Classifications
Rotary actuators · CPC title
Drive circuits; Control arrangements {or methods} · CPC title
- H02N2/026Primary
by pressing one or more vibrators against the driven body · CPC title
along multiple or arbitrary translation directions, e.g. XYZ stages · CPC title
using intermittent driving, e.g. step motors · CPC title
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Frequently asked questions
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- What does patent US10559740B2 cover?
- A driving device includes a plurality of motive power generators that receive electric power supply and generate motive power, the plurality of motive power generators form a plurality of sets of motive power generators in which two or more of the motive power generators are electrically parallel-connected, and the plurality of sets of motive power generators are electrically series-connected. …
- Who is the assignee on this patent?
- Seiko Epson Corp
- What technology area does this patent fall under?
- Primary CPC classification H02N2/026. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 11 2020 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 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).