Global Patent Index - EP 2041813 A2

EP 2041813 A2 20090401 - ELECTROMECHANICAL MOTOR

Title (en)

ELECTROMECHANICAL MOTOR

Title (de)

ELEKTROMECHANISCHER MOTOR

Title (fr)

MOTEUR ÉLECTROMÉCANIQUE

Publication

EP 2041813 A2 20090401 (DE)

Application

EP 07787215 A 20070709

Priority

  • EP 2007056933 W 20070709
  • DE 102006032995 A 20060717

Abstract (en)

[origin: WO2008009578A2] The invention relates to an electromechanical motor, especially a piezoelectric ring motor, which is characterized in that its drive ring (20) is incited by piezoelectric multilayer actuators (10) to perform a displacing movement. The piezoelectric multilayer actuators (10) are prestressed by prestressing elements (40) which extend in parallel to the effective direction (12) of the piezoelectric multilayer actuator (10) and beyond the piezoelectric multilayer actuator (10) and at least across at least some sections of the drive ring (20).

IPC 8 full level

H10N 30/20 (2023.01)

CPC (source: EP)

H02N 2/105 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

WO 2008009578 A2 20080124; WO 2008009578 A3 20080327; DE 102006032995 A1 20080131; EP 2041813 A2 20090401

DOCDB simple family (application)

EP 2007056933 W 20070709; DE 102006032995 A 20060717; EP 07787215 A 20070709