Title:
DRIVING MECHANISM, CONTROL ROD DRIVING DEVICE, AND NUCLEAR REACTOR
Document Type and Number:
WIPO Patent Application WO/2023/199556
Kind Code:
A1
Abstract:
In order to reliably and easily perform disassembly and assembly of a rack gear and a pinion gear, a driving mechanism 5 includes a rack gear 5A, a pinion gear 5B that meshes with the rack gear 5A, a positioning member 5D fixed to a portion of the rack gear 5A that does not have rack teeth 5Ab, and a plurality of contacting members 5E provided along a rotation direction of the pinion gear 5B, and when the rack gear 5A and/or the pinion gear 5B is moved in a relative movement direction during meshing of the rack gear 5A and the pinion gear 5B, the rotation position of a pinion tooth 5Bb of the pinion gear 5B is placed at a meshing position of a rack tooth 5Ab of the rack gear 5A by contact between the positioning member 5D and the contacting member 5E.
Inventors:
FUJITA JUN (JP)
Application Number:
PCT/JP2022/048004
Publication Date:
October 19, 2023
Filing Date:
December 26, 2022
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
F16H55/26; G21C7/12; G21C7/14
Foreign References:
| JP2008014392A | 2008-01-24 | |||
| JP2008011445A | 2008-01-17 | |||
| JPS64495A | 1989-01-05 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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