A turbocharger, which comprises a piezoelectric shell (1), (2), impeller sealing ring (3), intermediate (4), wherein the pressure shell (1) with one end of the intermediate (4) connected to the pressing shell (1) and intermediate (4) coincide with the axis of intermediates the center of Kong Zhong (4) is provided with a rotating shaft (5), pressure of the impeller (2) in pressure shell (1) and the shaft (5) fixed connection, the sealing ring (3) is arranged in the shaft (5) and intermediate (4), intermediate (the 4) the end is provided with a pressure impeller (2) in the root of the blade groove with the intermediate of the (4) surface is provided with radial grooves, and the impeller (2) part of the root of the blade in the radial groove. Compared with the prior art, the utility model can effectively prevent the leakage of the lubricating oil and not affect the power performance and the emission performance of the engine.
【技术实现步骤摘要】
【技术保护点】
一种涡轮增压器，它包括压壳（１）、压叶轮（２）、密封环（３）、中间体（４），所述的压壳（１）的一端与中间体（４）连接，压壳（１）与中间体（４）的轴线重合，所述的中间体（４）的中心孔中装有旋转的轴（５），所述的压叶轮（２）在压壳（１）内与轴（５）固定连接，所述的密封环（３）位于轴（５）与中间体（４）之间，所述的中间体（４）的端面上设有与压叶轮（２）根部叶片配合的内凹槽，其特征在于：所述的中间体（４）端面上设有径向凹槽，且压叶轮（２）部分根部叶片配合在该径向凹槽内。
【技术特征摘要】
【专利技术属性】
技术研发人员：谢兴平，王永红，韩卓，
申请(专利权)人：博格华纳汽车零部件宁波有限公司，
类型：实用新型
国别省市：97[中国|宁波]
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