Patents Assigned to Alphatech Co., Ltd.
  • Patent number: 8579074
    Abstract: An intake silencer of a gas turbine capable of efficient noise reduction in which a high frequency sound-absorbing splitter group composed of a plurality of sound-absorbing splitters capable of reducing highfrequency component noise and a middle/low sound-absorbing splitter group composed of a plurality of sound-absorbing splitters capable of reducing middle/low frequency component noise are disposed separately in a gas flow direction. High frequency component noise is reduced by the high frequency sound-absorbing splitter group, and middle/low frequency component noise is reduced by the middle/low sound-absorbing splitter group.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: November 12, 2013
    Assignees: Alphatech Co., Ltd., Mitsubishi Heavy Industries, Ltd.
    Inventors: Teruo Kosaka, Yuki Kosaka, Yoshiyuki Doi, Katsutoshi Okuno