Vehicle seat comprising a motorized adjustable part, electric control unit of a motor vehicle
US9344013B2 · kind B2 · utility
3Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 31, 2013 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Nov 10, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/0272
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A motor vehicle seat comprising an adjustable part, a fixed part, and an adjustable mechanism comprising a traveling wave piezoelectric motor having a rotor and a stator, the stator comprising two distinct power terminals connected to an electronic control unit adapted to operate according to three operating modes comprising: a locked operating mode in which the power terminals are not supplied power; a motorized operating mode in which two AC voltages are applied to the two power terminals; and a free operating mode in which an AC voltage is applied to one power terminal while the other is not supplied with power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.