• Patent Title: Electromagnetic actuating device which is monostable in the currentless state and use of such an actuating device
  • Application No.: US16092939
    Application Date: 2017-03-30
  • Publication No.: US10832845B2
    Publication Date: 2020-11-10
  • Inventor: Philipp FangauerPeter Vincon
  • Applicant: ETO Magnetic GmbH
  • Applicant Address: DE Stockach
  • Assignee: ETO Magnetic GmbH
  • Current Assignee: ETO Magnetic GmbH
  • Current Assignee Address: DE Stockach
  • Agency: Bachman and Lapointe PC
  • Agent George Coury
  • Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@54356059
  • International Application: PCT/EP2017/057619 WO 20170330
  • International Announcement: WO2017/178241 WO 20171019
  • Main IPC: H01F7/08
  • IPC: H01F7/08 H01F7/16 H01F7/122
Electromagnetic actuating device which is monostable in the currentless state and use of such an actuating device
Abstract:
An electromagnetic actuating device includes an armature, which has a permanent magnet and can move along a longitudinal axis between actuation positions relative to a stationary coil and in reaction to energization, armature has an engagement section for interacting with a plunger, and which armature can move from a first actuation position, which is stable in the currentless state, into a second actuation position against a restoring force of a spring, wherein the coil has a first coil unit, which acts on the armature and which releases the armature from the first actuation position, wherein the coil has a second coil unit which, during movement, applies to the armature a force which accelerates the armature, and wherein the coil has a restoring coil such that when the armature is returned from the second into the first actuation position, the restoring coil boosts the restoring force of the spring.
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