• Patent Title: Drive arrangement for a tap changer
  • Application No.: US17623916
    Application Date: 2020-06-22
  • Publication No.: US11984288B2
    Publication Date: 2024-05-14
  • Inventor: Martin Johansson
  • Applicant: Hitachi Energy Ltd
  • Applicant Address: CH Zürich
  • Assignee: HITACHI ENERGY LTD
  • Current Assignee: HITACHI ENERGY LTD
  • Current Assignee Address: CH Zürich
  • Agency: Sage Patent Group
  • Priority: EP 183692 2019.07.01
  • International Application: PCT/EP2020/067292 2020.06.22
  • International Announcement: WO2021/001188A 2021.01.07
  • Date entered country: 2021-12-30
  • Main IPC: H01H9/00
  • IPC: H01H9/00
Drive arrangement for a tap changer
Abstract:
A drive arrangement for a tap changer includes a first movable latch having a first and a second end a first rotatable wheel with a first actuating element, a second rotatable wheel with a first locking element, and a first spring connected between the first and second wheels. The first actuating element is provided on a first half of a first curved surface of the first wheel, the first locking element is provided on a first half of a second curved surface of the second wheel, a second actuating element is provided on a second half of the first curved surface aligned with a first end of a second latch and a second locking element of the second rotating wheel is provided on a second half of the second curved surface aligned with a second end of the second latch.
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