ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTRBGCZEEHU..SK................JDIM360 (Ver 1.5 21 Nov 2005) - 1620000/01406278EUROPEAN PATENT APPLICATIONA320060503EP03018257.020030811enenen200229221620021004JP2006050320061820040407200415H01H 33/34 20060101AFI20040106BHEP deGasisolierte SchaltanlageenGas insulated switchgearfrAppareillage de commutation à isolement gazeux1Hitachi, Ltd.00204145EPA-406456 Kanda Surugadai 4-chomeChiyoda-ku, Tokyo 100-8010JPKawamoto, Hideoc/o Hitachi, Ltd., 5-1, Marunouchi 1-chomeChiyoda-ku, Tokyo 100-8220JPYaginuma, Noriyukic/o Hitachi, Ltd., 5-1, Marunouchi 1-chomeChiyoda-ku, Tokyo 100-8220JPOkubo, Kenichic/o Hitachi, Ltd., 5-1, Marunouchi 1-chomeChiyoda-ku, Tokyo 100-8220JPIshiguro, Tetsuc/o Hitachi, Ltd., 5-1, Marunouchi 1-chomeChiyoda-ku, Tokyo 100-8220JPYaegashi, Masahiroc/o Hitachi, Ltd., 5-1, Marunouchi 1-chomeChiyoda-ku, Tokyo 100-8220JPStrehl Schübel-Hopf & Partner00100941Maximilianstrasse 5480538 MünchenDEATBEBGCHCYCZDEDKEEESFIFRGBGRHUIEITLILUMCNLPTROSESISKTRALLTLVMK20060503200618

The output shaft (111) of a hydraulic drive unit (110) and the drive shaft of a movable contactor (103) of gas insulated switchgear are linearly arranged, and the longitudinal shaft of an accumulator (114) using gas as an accumulation source is arranged parallel to the output shaft (111) of this hydraulic drive unit (110); further, a high pressure block equipped with a conduit (115) for supplying high pressure hydraulic oil to the hydraulic drive unit (110) from this accumulator (114) is arranged perpendicularly to the aforementioned two drive shafts, thereby supporting and fixing the hydraulic drive unit in position.