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发明授权
CN108138796B 涡轮以及增压器 有权

涡轮以及增压器
摘要：
压缩机涡轮(22)、即涡轮具备从旋转轴的一侧向另一侧扩径的主体部(26)、形成于主体部(26)中的面向旋转轴方向的另一侧的背面(26c)且向旋转轴方向的一侧凹陷的减轻重量部(26e)、设置于面向旋转轴方向的一侧的主体部(26)的外周面(26b)的多个长叶片(28)、设置于外周面(26b)且旋转轴方向的一侧的端部(29a)位于比长叶片(28)靠旋转轴方向的另一侧的多个短叶片(29)。
摘要（英）：

An compressor impeller 22 (impeller) includes: a main body portion 26 which is increased in diameter from one side to another side in a rotation axis direction; a thinned portion 26e, which is formed in a back surface 26c of the main body portion 26 so as to be oriented toward the another side in the rotation axis direction, and is recessed toward the one side in the rotation axis direction; a plurality of full blades 28 which are formed on an outer circumferential surface 26b of the main body portion 26 so as to be oriented toward the one side in the rotation axis direction; and a plurality of splitter blades 29, which are formed on the outer circumferential surface, and have end portions 29a being located on the one side in the rotation axis direction and being positioned on the another side in the rotation axis direction with respect to the full blades 28.

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