Patent · US Active

Rotary actuator with magnetic brake

US7928334B2 · kind B2 · utility

1Cited by
14References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 3, 2007
Grant dateApr 19, 2011
Priority date
Expiry dateOct 11, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/2084
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A rotary actuator is provided for a motor vehicle, having a control knob, a housing, an actuating shaft that is rotationally fixed to the control knob, and electromagnetic means that act on the control knob so as to permit a detent or locking of the rotation of the control knob, wherein a coil is arranged in the housing in a rotationally fixed manner, and a disk-shaped flux guide is attached to the actuating shaft so as to be rotationally fixed and movable along the actuating shaft, and the flux guide can be pressed against the coil and/or the housing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.