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1. WO2022029876 - TURBINE AND TURBOCHARGER

Publication Number WO/2022/029876
Publication Date 10.02.2022
International Application No. PCT/JP2020/029801
International Filing Date 04.08.2020
IPC
F02B 39/00 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
39Component parts, details, or accessories relating to driven charging or scavenging pumps, not provided for in groups F02B33/-F02B37/169
F02B 37/18 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
37Engines characterised by provision of pumps driven at least for part of the time by exhaust
12Control of the pumps
18by bypassing exhaust
CPC
F02B 37/18
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
37Engines characterised by provision of pumps driven at least for part of the time by exhaust
12Control of the pumps
18by bypassing exhaust ; from the inlet to the outlet of turbine or to the atmosphere
F02B 39/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
39Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
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
  • ▲高▼田 亮 TAKATA, Ryo
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) TURBINE AND TURBOCHARGER
(FR) TURBINE ET TURBOCOMPRESSEUR
(JA) タービン及びターボチャージャ
Abstract
(EN) A turbine according to at least one embodiment of the present application is provided with: a turbine wheel having a plurality of blades; a turbine housing that has formed therein a turbine wheel accommodating space for accommodating the turbine wheel; and a wastegate valve that is for controlling the flowrate of exhaust gas flowing through a wastegate flow path formed in the turbine housing. The wastegate flow path is configured to connect a scroll flow path formed in the turbine housing and a region in the turbine wheel accommodating space on the upstream side as compared to the rear edge of the plurality of blades.
(FR) Une turbine selon au moins un mode de réalisation de la présente invention comprend : une roue de turbine ayant une pluralité de pales ; un carter de turbine dans lequel est formé un espace de logement de roue de turbine permettant d'accueillir la roue de turbine ; et une soupape de décharge qui est destinée à commander le débit de gaz d'échappement s'écoulant à travers un trajet d'écoulement de décharge formé dans le carter de turbine. Le trajet d'écoulement de décharge est configuré pour relier un trajet d'écoulement de volute formé dans le carter de turbine et une région dans l'espace d'accueil de roue de turbine du côté amont par rapport au bord arrière de la pluralité de pales.
(JA) 少なくとも一実施形態に係るタービンは、複数の翼を有するタービンホイールと、タービンホイールを収容するタービンホイール収容空間を内部に形成するタービンハウジングと、タービンハウジングの内部に形成されたウェストゲート流路を流れる排ガスの流量を制御するためのウェストゲートバルブと、を備える。ウェストゲート流路は、タービンハウジングの内部に形成されたスクロール流路と、タービンホイール収容空間における複数の翼の後縁よりも上流側の領域とを接続するように構成されている。
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