Invention Grant
- Patent Title: Piezoelectric driving device for motor, motor, robot, and pump
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Application No.: US15176470Application Date: 2016-06-08
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Publication No.: US10236795B2Publication Date: 2019-03-19
- Inventor: Tomoaki Takahashi
- Applicant: Seiko Epson Corporation
- Applicant Address: JP
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2015-119672 20150612; JP2015-119673 20150612
- Main IPC: H02N2/00
- IPC: H02N2/00 ; B25J9/12 ; B25J15/02 ; F04B43/08 ; F04B43/09 ; H01L41/09 ; H02N2/10

Abstract:
Provided is a piezoelectric driving device for a motor including: a vibrating plate which includes a fixed portion and a vibrator portion in which a piezoelectric element is provided and which is supported by the fixed portion; and a contact portion which comes into contact with a driven body and transmits motion of the vibrating plate to the driven body, in which the fixed portion, the vibrator portion, and the contact portion are provided along an X direction in this order, when seen in a Y direction, when two directions parallel to a main surface of the vibrating plate and orthogonal to each other are set as the X direction and the Y direction and a direction orthogonal to the main surface of the vibrating plate is set as a Z direction.
Public/Granted literature
- US20160365809A1 PIEZOELECTRIC DRIVING DEVICE FOR MOTOR, MOTOR, ROBOT, AND PUMP Public/Granted day:2016-12-15
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