TURBINE INFLOW HOUSING OF AN AXIAL TURBINE OF A TURBOCHARGER
The present invention relates to a turbine inflow housing of an axial turbine of a turbocharger, which provides an extended service life. According to the present invention, the turbine inflow housing of an axial turbine of a turbocharger comprises: a flow inlet side end part (11) to define a flowin...
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Zusammenfassung: | The present invention relates to a turbine inflow housing of an axial turbine of a turbocharger, which provides an extended service life. According to the present invention, the turbine inflow housing of an axial turbine of a turbocharger comprises: a flow inlet side end part (11) to define a flowing duct (15) whose cross section of the outer wall (13) of the turbine inflow housing has a circular shape; a flow outlet side end part (12) to define a flow duct (16) whose outer and inner walls (13, 14) of the turbine inflow housing have a circular shape; and a rib (17) in which the outer and inner walls (13, 14) of the turbine inflow housing are interconnected. An average distance between flow guiding surfaces (18, 19) of the rib extended between inflow and outflow sides (21, 20) of each rib (17), and between the inner and outer walls (13, 14) is at least 1.5 times the thickness of the outer wall (13) of the turbine inflow housing.
본 발명에 따른 터보차저의 축류 터빈의 터빈 유입 하우징(10)은, 터빈 유입 하우징의 외벽(13)이 단면이 원형인 유동 덕트(15)를 획정하는 곳인 유동 입구측 단부(11), 터빈 유입 하우징의 외벽(13)과 터빈 유입 하우징의 내벽(14)이 단면이 환형인 유동 덕트(16)를 획정하는 곳인 유동 출구측 단부(12), 및 터빈 유입 하우징의 외벽(13)과 터빈 유입 하우징의 내벽(14)이 서로 연결되어 있는 곳인 리브(17)를 포함한다. 리브들(17)은, 각 리브(17)의 유입측(21)과 유출측(20)의 사이에서 그리고 외벽(13)과 내벽(14)의 사이에서 연장되는 리브의 유동-안내면들(18, 19) 사이의 평균 거리가, 터빈 유입 하우징의 외벽(13)의 두께의 최소 1.5배에 상당한다. |
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