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1. WO2022029932 - IMPELLER FOR CENTRIFUGAL COMPRESSOR, AND CENTRIFUGAL COMPRESSOR

Publication Number WO/2022/029932
Publication Date 10.02.2022
International Application No. PCT/JP2020/030031
International Filing Date 05.08.2020
IPC
F04D 29/30 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially adapted for elastic fluids
28for centrifugal or helico-centrifugal pumps
30Vanes
F04D 29/44 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
40Casings; Connections for working fluid
42for radial or helico-centrifugal pumps
44Fluid-guiding means, e.g. diffusers
CPC
F04D 29/30
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially for elastic fluids
28for centrifugal or helico-centrifugal pumps ; for radial-flow or helico-centrifugal pumps
30Vanes
F04D 29/44
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
40Casings; Connections of working fluid
42for radial or helico-centrifugal pumps
44Fluid-guiding means, e.g. diffusers
Applicants
  • 三菱重工エンジン&ターボチャージャ株式会社 MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD. [JP]/[JP]
Inventors
  • 岩切 健一郎 IWAKIRI, Kenichiro
  • 藤田 豊 FUJITA, Yutaka
  • 神坂 直志 KANZAKA, Tadashi
  • 本田 浩範 HONDA, Hironori
Agents
  • 誠真IP特許業務法人 SEISHIN IP PATENT FIRM, P.C.
Priority Data
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) IMPELLER FOR CENTRIFUGAL COMPRESSOR, AND CENTRIFUGAL COMPRESSOR
(FR) TURBINE POUR COMPRESSEUR CENTRIFUGE, ET COMPRESSEUR CENTRIFUGE
(JA) 遠心圧縮機のインペラ及び遠心圧縮機
Abstract
(EN) This impeller for a centrifugal compressor comprises: a hub (12); and at least one blade (15) provided on a hub surface of the hub. A hub-side end (16b) of a rear edge (16) of the at least one blade is positioned radially outward of the outer circumferential part (12e) of the hub, and is positioned on either one of a first line (L1) obtained by extending the hub surface of the hub outwardly in the radial direction and a second line (L2) obtained by extending a back surface of the hub outwardly in the radial direction.
(FR) La présente turbine pour un compresseur centrifuge comprend : un moyeu (12) ; et au moins une pale (15) disposée sur une surface de moyeu du moyeu. Une extrémité côté moyeu (16b) d'un bord arrière (16) de l'au moins une pale est positionnée radialement vers l'extérieur de la partie circonférentielle externe (12e) du moyeu, et est positionnée sur l'une ou l'autre d'une première ligne (L1) obtenue par extension de la surface de moyeu du moyeu vers l'extérieur dans la direction radiale et d'une seconde ligne (L2) obtenue par extension d'une surface arrière du moyeu vers l'extérieur dans la direction radiale.
(JA) ハブ(12)と、ハブのハブ面上に設けられた少なくとも1つの翼(15)と、を備える遠心圧縮機のインペラであって、少なくとも1つの翼の後縁(16)のハブ側端(16b)は、ハブの外周部(12e)よりも径方向外側に位置し、且つ、ハブのハブ面を径方向外側に延長した第1ライン(L1)、又はハブの背面を径方向外側に延長した第2ライン(L2)、のいずれか一方のライン上に位置する。
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