公开(公告)号：US10233946B2

公开(公告)日：2019-03-19

申请号：US14940615

申请日：2015-11-13

Applicant: BorgWarner Inc.

Inventor： Sanjit Chaggar ,  Steve Birnie ,  James Mawer ,  Andrew Richardson ,  Malcolm Carr

IPC: B21D39/04 ,  F04D29/42 ,  F04D29/62 ,  F04D29/66

Abstract: A method of assembling and retaining a noise attenuation device (30) within an air inlet (16) of a compressor cover (12) includes inserting the noise attenuation device (30) into the air inlet (16) and applying a rolling compressive force to the air inlet (16) using a forming tool (40). As a result, the air inlet terminal end (17) is deformed radially inward so as to form a radially-inwardly protruding lip (17b) about the air inlet terminal end (17). The radially-inwardly protruding lip (17b) is configured to retain the noise attenuation device (30) within the air inlet (16). The forming tool (40) used to form the radially-inwardly protruding lip (17b) is also described.

公开(公告)号：US09188133B1

公开(公告)日：2015-11-17

申请号：US14593145

申请日：2015-01-09

Applicant: BorgWarner Inc.

Inventor： Andrew Richardson ,  Simon Slater ,  Andrew Taylor

IPC: F04D29/14 ,  F04D29/063 ,  F04D29/056 ,  F04D17/10 ,  F04D29/46

CPC classification number: F04D29/464 ,  F04D17/10 ,  F04D25/024 ,  F04D29/056 ,  F04D29/063 ,  F04D29/143 ,  F04D29/462

Abstract: A product is disclosed for inhibiting oil from entering a turbocharger compressor. A compressor wheel may be disposed in a wheel chamber of a housing to rotate at a range of speeds. The compressor wheel may be surrounded by a collection volute with a diffuser channeling air from the wheel chamber to the collection volute. A shaft may extend through the housing and may be connected to the compressor wheel. The shaft may be supported by a bearing that may be lubricated through an oil circuit. A pressure differential between the wheel chamber and the oil circuit inhibits oil from entering the wheel chamber. The pressure differential may be maintained during rotation of the compressor wheel at a low end of the range of speeds by a collar disposed near a tip of the compressor wheel at an entrance to the diffuser.

Abstract translation: 公开了一种用于抑制油进入涡轮增压器压缩机的产品。 压缩机叶轮可以设置在壳体的轮室中以在一定速度范围内旋转。 压缩机叶轮可以由收集蜗壳包围，扩散器将空气从轮室引导到收集蜗壳。 轴可以延伸穿过壳体并且可以连接到压缩机叶轮。 轴可以由可以通过油路润滑的轴承支撑。 车轮室和油路之间的压差阻止油进入车轮室。 压缩机叶轮在速度范围的低端旋转期间可以通过在扩散器入口处设置在压缩机叶轮的尖端附近的轴环来保持压力差。