Title:
ON-LOAD TAP SWITCHER, AND CHANGEOVER SWITCH FOR ON-LOAD TAP SWITCHER
Document Type and Number:
Japanese Patent JP2016033959
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an on-load tap switcher which is lightweight and compact and has a high performance and in which, if a vacuum valve is broken, it can be easily exchanged.SOLUTION: The on-load tap switcher includes a changeover switch 50 and a tap selector 51. The changeover switch 50 includes: a drive shaft 26 which is rotated by a driving force given from the outside; a cam 27 which is fitted to the drive shaft 26 and rotatable together with the drive shaft 27; vacuum valves HA, HB, WA and WB which are provided correspondingly to a plurality of phases, respectively; a plurality of opening/closing mechanisms 30 which are provided correspondingly to a plurality of phases, respectively, for opening/closing the vacuum valves HA, HB, WA and WB in response to the rotation of the cam 27; and an attachment 5 for each phase which attaches the vacuum valves HA, HB, WA and WB and the plurality of opening/closing mechanisms 30 for each of the plurality of phases.SELECTED DRAWING: Figure 1
More Like This:
JPS6094710 | ON-LOAD TAP CHANGER |
Inventors:
HANAI MASAHIRO
EGUCHI NAOKI
TANIGUCHI YOSHINOBU
MIYAMOTO YASUSHI
NAKAZAWA YOSHIKI
EGUCHI NAOKI
TANIGUCHI YOSHINOBU
MIYAMOTO YASUSHI
NAKAZAWA YOSHIKI
Application Number:
JP2014156490A
Publication Date:
March 10, 2016
Filing Date:
July 31, 2014
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
H01F29/04; H01H33/666
Domestic Patent References:
JPH07220956A | 1995-08-18 | |||
JP2013018146A | 2013-01-31 | |||
JPS5958720A | 1984-04-04 | |||
JP2003095764A | 2003-04-03 | |||
JP2006002606A | 2006-01-05 | |||
JPS56501715A | 1981-11-26 | |||
JP2008302701A | 2008-12-18 |
Foreign References:
US20130164707A1 | 2013-06-27 | |||
WO2011132756A1 | 2011-10-27 |
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office
Previous Patent: ELECTRONIC DEVICE AND DRIVE DEVICE EQUIPPED WITH THE SAME
Next Patent: EXPOSURE METHOD AND EXPOSURE APPARATUS
Next Patent: EXPOSURE METHOD AND EXPOSURE APPARATUS