Title:
IMPELLER AND CENTRIFUGAL COMPRESSOR
Document Type and Number:
Japanese Patent JP2004044473
Kind Code:
A
Abstract:
To improve performance of a centrifugal compressor by preventing the internal loss from increasing.
In an impeller including a plurality of main blades 3 placed around a main shaft 1 at even intervals and an intermediate blade 4 placed between the adjacent main blades 3, a front edge 3a of the main blade 3 is bowed in a direction opposite to the rotation direction when plane-viewed from the direction of the main shaft 1, and a bow angle formed by a radial straight line and a tangent of a blade end of the front edge 3a is set to a value of between 10° and 50°.
Inventors:
IBARAKI SEIICHI
HIGASHIMORI HIROTAKA
SHIRAISHI TAKASHI
MIKOGAMI TAKASHI
SHIRAISHI KEIICHI
KAJINO YASUHIRO
HIGASHIMORI HIROTAKA
SHIRAISHI TAKASHI
MIKOGAMI TAKASHI
SHIRAISHI KEIICHI
KAJINO YASUHIRO
Application Number:
JP2002202589A
Publication Date:
February 12, 2004
Filing Date:
July 11, 2002
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F04D29/30; F04D29/28; (IPC1-7): F04D29/30; F04D29/28
Attorney, Agent or Firm:
Noriharu Fujita
Shigemitsu Tanaka
Shigemitsu Tanaka
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