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公开(公告)号：EP2222962A2
公开(公告)日：2010-09-01
申请号：EP09720229.5
申请日：2009-03-10
发明人： RESSING, Henning
CPC分类号： F04D29/2216 , F04D29/284
摘要： The invention relates to a cover disk (1) for a closed impeller of a radial or diagonal turbomachine for the definition of a flow channel, having a wall thickness that has a local maximum along the profile center line of the meridian cross-section of the cover disk between a first and a second front (2, 3) of the cover disk, wherein an outer surface (1.2) of the cover disk facing away from the flow channel has a convex curvature with a radius (R2.2) in the region of said local maximum, the ratio (R2.2/D2) of which to an outside diameter (D2) of the impeller is in a range of 0.05 to 0.5 (0.05 ≤ R2.2/D2 ≤ 0.5).
摘要翻译： 用于限定流动通道的径向流动机器或对角流动机器的闭合转子的盖盘（1）具有壁厚，该壁厚沿着覆盖盘的子午线横截面的轮廓平均线在第一 盖板的前侧（2）和第二前侧（3）。 远离流道的盖盘的外表面（1.2）在该局部最大的区域中具有半径（R2.2）（R2.2 / D2）与外径（D2）的半径的凸曲面， 的转子在0.05至0.5的范围内（0.05 @ R2.2 / D2 @ 0.5）。
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公开(公告)号：EP2240696B1
公开(公告)日：2019-01-02
申请号：EP08872325.9
申请日：2008-11-03
IPC分类号： F04D29/52 , F04D29/64 , F04D29/66 , F04D29/059 , F04D19/02
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公开(公告)号：EP2222962B1
公开(公告)日：2017-12-27
申请号：EP09720229.5
申请日：2009-03-10
发明人： RESSING, Henning
CPC分类号： F04D29/2216 , F04D29/284
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公开(公告)号：EP2240696A1
公开(公告)日：2010-10-20
申请号：EP08872325.9
申请日：2008-11-03
IPC分类号： F04D29/52 , F04D29/64 , F04D29/66 , F04D29/059 , F04D19/02
CPC分类号： F04D29/059 , F01D9/065 , F01D25/162 , F04D19/02 , F04D29/063 , F04D29/522 , F04D29/644 , F04D29/668
摘要： The invention relates to an inlet connecting piece for an axial-flow compressor, especially a turbocompressor, comprising an inlet housing (1) containing a bearing housing (2) comprising a bearing (3), especially a radial and/or axial bearing, for a rotor. The bearing housing (2) is connected to the inlet housing (1) via an inlet strut (4) which is connected to the inlet housing in a front cross-section. The central bearing point of the bearing (3) is located in the flow direction of a fluid to be compressed, axially behind the centroid of the front cross-section, at least by 0.1 times the chord length of the front cross-section, especially at least by 0.15 times same, especially at least by 0.2 times same, and especially at least by 0.25 times same. Additionally or alternatively, a fluid passage (5, 6) is formed in the inlet strut, said fluid passage (5, 6) forming an acute angle with a normal plane in relation to the longitudinal axis of the inlet connecting piece, at least in sections.
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