Patent · US Expired

Self-cooling actuator

US7202577B2 · kind B2 · utility

35Cited by
7References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 2004
Grant dateApr 10, 2007
Priority date
Expiry dateFeb 25, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K2205/09
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An actuator for an active suspension system includes an armature and a housing enclosing an interior. The interior has a volume that varies in response to movement of the armature. A wall of the housing forms a first aperture through which air passes in response to movement of the armature.

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