F - Mech Eng,Light,Heat,Weapons – 01 – N
Patent
F - Mech Eng,Light,Heat,Weapons
01
N
172/20, 347/3, 3
F01N 1/00 (2006.01) G10K 11/178 (2006.01) H01F 27/33 (2006.01)
Patent
CA 1181013
ABSTRACT OF THE DISCLOSURE A noise-reduction device for a stationary induction apparatus is disclosed in which sound insulation panels for reducing the noises radiated from the side walls of a tank are mounted on the reinforcing channel protruded outside of the tank of the induction apparatus. Vibration sensors detect the vibrations transmitted from the tank to the sound insulation panels through the reinforcing channels. Vibrators apply vibrations of opposite phase to the vibrations detected by the vibration sensors. The vibration sensors and vibrators make up vibration cancelling devices.
416574
Hagiwara Syuya
Hori Yasuro
Kanoi Minoru
Hitachi Ltd.
Kirby Eades Gale Baker
LandOfFree
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