A Single suction type suction system of a rotary machine

Japanese Patent JP6172758

B2

The present invention provides a rotary machine intake casing which, by using a simple configuration, makes it possible to reduce asymmetry between the flow speed of air flowing in a forward direction relative to the direction of rotation of a rotating shaft of a compressor and the flow speed of air flowing in the opposite direction. Thus, a rotary machine single-suction intake device equipped with an upstream duct (121) having a suction port (121a) opening in a direction that intersects the rotational axis of the compressor, and an intake duct body section (102) for guiding air to the compressor after the air has passed into the upstream duct (121), and connected to the upstream duct (121), wherein the channel cross-sectional area on the forward direction side (A) relative to the rotational direction of the rotating shaft differs from the channel cross-sectional area on the opposite direction side (B) relative thereto, according to the flow distortion trend of the air passing through the interior of the intake duct body section (102), so as to equalize the flow speed distribution of air passing through the forward direction side (A) relative to the rotational direction of the rotating shaft and the flow speed distribution of air passing through the opposite direction side (B) relative thereto.

Ryosuke Saito
High school forest
Ryosuke Sannohe
Satoru Yoshida

JP2014250614A

August 02, 2017

December 11, 2014

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MITSUBISHI HEAVY INDUSTRIES,LTD.
Mitsubishi Heavy Industries Compressor Co., Ltd.

F02C7/04; F04D29/54; F04D29/44

JP2002266798A
JP56135798A
JP2006328991A
JP1182392A

Toshiro Mitsuishi
Mitsuishi Shunpei
Yasuyuki Tanaka
Hiroshi Matsumoto
Tetsuzo Yamada

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