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1. 发明授权

US07407364B2 Turbocharger compressor having ported second-stage shroud, and associated method 有权
标题翻译：带有第二级护罩的涡轮增压器压缩机及其相关方法
公开(公告)号：US07407364B2
公开(公告)日：2008-08-05
申请号：US11069336
申请日：2005-03-01
申请人： Steve Don Arnold , Kristian N. Dullack , David A. Calta , Glenn F. Thompson
发明人： Steve Don Arnold , Kristian N. Dullack , David A. Calta , Glenn F. Thompson
IPC分类号： F01D25/26
CPC分类号： F04D25/04 , F01D9/026 , F02B37/013 , F02C6/12 , F04D17/12 , F04D27/0207 , F04D29/4213 , F04D29/444 , F04D29/685 , F05D2250/51 , Y02T10/144
摘要： A two-stage radial compressor having a ported second-stage shroud, forming a passive surge control system. Thus, some proportion of the fluid is allowed to flow between the second-stage of the compressor in the vicinity of the impeller blade tips, through a port in the shroud into an upstream portion of the compressor flow path that leads into the second-stage impeller inlet. The fluid is allowed to flow in either direction, depending on the pressure difference existing between the two locations. Surge margin at higher pressure ratios is significantly increased by the ported second-stage shroud.
摘要翻译：具有端口的第二级护罩的两级径向压缩机，形成被动浪涌控制系统。因此，允许一部分流体在叶轮叶片尖端附近的压缩机的第二级之间通过护罩中的端口流入压缩机流动路径的上游部分，其进入第二级叶轮入口。允许流体沿任一方向流动，这取决于存在于两个位置之间的压力差。通过移动的第二级护罩，在较高压力比下的浪涌裕度显着增加。

2. 发明授权

US07014418B1 Multi-stage compressor and housing therefor 有权
标题翻译：多级压缩机及其住宅
公开(公告)号：US07014418B1
公开(公告)日：2006-03-21
申请号：US11004467
申请日：2004-12-03
申请人： Steve Don Arnold , Kristian N. Dullack , David A. Calta , Glenn F. Thompson
发明人： Steve Don Arnold , Kristian N. Dullack , David A. Calta , Glenn F. Thompson
IPC分类号： F01D25/24
CPC分类号： F04D29/4206 , F01D1/22 , F01D5/048 , F01D9/026 , F02C6/12 , F04D17/12
摘要： A multi-stage compressor and associated compressor housing and method are provided. The housing defines an aperture for receiving a compressor wheel for successively compressing a gas in first and second stages. First- and second-stage inlets are fluidly connected to the aperture in generally axial directions, and first- and second-stage volutes extend at least partially annularly therearound so that each volute is configured to receive gas flowing generally radially outward from the compressor wheel. In addition, first and second passages fluidly connect the first-stage volute to the second-stage inlet. Each passage extends from the first-stage volute to a position radially outward of the second-stage volute and therefrom to the second-stage inlet at an axial position opposite the second-stage volute from the first-stage volute. Thus, the gas can be received through the first-stage inlet, compressed by the wheel, circulated to the second-stage inlet via the first-stage volute and the passages, compressed again by the wheel, and delivered to the second-stage volute.
摘要翻译：提供了一种多级压缩机和相关的压缩机壳体和方法。壳体限定用于接收用于在第一和第二阶段中连续地压缩气体的压缩机叶轮的孔。第一级和第二级入口在大致轴向方向上流体地连接到孔，并且第一级和第二级蜗壳至少部分地环形延伸，使得每个蜗壳构造成接收从压缩机叶轮大致径向向外流动的气体。此外，第一和第二通道将第一级蜗壳流体地连接到第二级入口。每个通道从第一阶段蜗壳延伸到第二级蜗壳的径向外侧的位置，并且从第二级入口到与第一级蜗壳相反的第二级蜗壳的轴向位置延伸到第二级入口。因此，可以通过第一级入口容纳气体，由轮压缩，经由第一级蜗壳和通过轮子再次压缩的通道循环到第二级入口并被输送到第二级蜗壳。

3. 发明授权

US07568883B2 Turbocharger having two-stage compressor with boreless first-stage impeller 有权
标题翻译：具有两级压缩机的涡轮增压器具有无孔第一级叶轮
公开(公告)号：US07568883B2
公开(公告)日：2009-08-04
申请号：US11290381
申请日：2005-11-30
申请人： Steven D. Arnold , Gary D. Vrbas , Kristian N. Dullack , Glenn F. Thompson
发明人： Steven D. Arnold , Gary D. Vrbas , Kristian N. Dullack , Glenn F. Thompson
IPC分类号： F04D29/04
CPC分类号： F04D25/04 , F04D17/122 , F04D29/053 , F04D29/266 , F05B2220/40
摘要： A turbocharger with a two-stage compressor having first- and second-stage impellers mounted on a common shaft in a back-to-back configuration. The first-stage impeller has a boreless configuration, defining an unthreaded pilot hole receiving an unthreaded end of the shaft so as to establish a coaxial relationship between the impeller and the shaft. The first impeller further defines a hollow cylindrical pilot member that projects from the back of the impeller and is received in a portion of the bore through the second-stage impeller to position the impellers coaxially with each other. The shaft passes through the pilot member and is externally threaded for engaging threads on the inner surface of the pilot member to secure the impellers to the shaft. The bore of the second impeller has a second portion that engages an outer cylindrical surface of the shaft to establish a coaxial relationship between the shaft and impeller.
摘要翻译：具有两级压缩机的涡轮增压器具有以后后配置安装在公共轴上的第一级和第二级叶轮。第一级叶轮具有无孔构造，限定了接收轴的无螺纹端的无螺纹导向孔，以便在叶轮和轴之间建立同轴的关系。第一叶轮还限定了一个中空的圆柱形引导件，该中空圆柱形引导件从叶轮的后部突出，并被接纳在孔的一部分中，通过第二级叶轮将叶轮彼此同轴定位。轴通过导向构件并且被外螺纹用于接合导向构件的内表面上的螺纹，以将叶轮固定到轴上。第二叶轮的孔具有接合轴的外圆柱形表面的第二部分，以在轴和叶轮之间建立同轴的关系。

4. 发明授权

US06698717B1 Modified butterfly valve and assembly 有权
标题翻译：改装蝶阀及组装
公开(公告)号：US06698717B1
公开(公告)日：2004-03-02
申请号：US10280885
申请日：2002-10-24
申请人： Dennis L. Brookshire , Kristian N. Dullack , Christopher C. Greentree
发明人： Dennis L. Brookshire , Kristian N. Dullack , Christopher C. Greentree
IPC分类号： F16K122
CPC分类号： F16K1/222 , F02D9/1045 , F02M26/07 , F02M26/70
摘要： Butterfly valves of this invention generally comprise a flapper element that is rotatably disposed within an annular bore of a valve housing. The valve may be configured to provide an improved degree of gas flow control sensitivity from a closed to a partially opened position through the use of projections that extend radially inwardly from the housing bore, are positioned at diametrically opposed positions within the bore, and that are specifically configured to provide a gradual increase in gas flow across the valve as the flapper is moved from a closed position to a partially opened position. The butterfly valve may be configured having further projections that extend radially inwardly a distance therein, that are positioned at diametrically opposed positions in the bore, and that include faces that are sized and shaped to cooperate with respective opposed surfaces of the flapper to seal off gas flow within the bore when the flapper is placed into a closed position. The butterfly valve may also be configured having a bushing that surrounds a shaft that is mounted to the flapper. The shaft extends through the housing and is coupled to an arm outside of the housing. The bushing and arm are configured having complementary surfaces to provide a seal therebetween that functions to minimize or eliminate the unwanted leakage of gas from the valve.
摘要翻译：本发明的蝶阀通常包括可旋转地设置在阀壳体的环形孔内的挡板元件。阀可以被配置为通过使用从壳体孔径向向内延伸的凸起而从闭合到部分打开的位置提供改进的气流控制灵敏度，位于孔内的直径相对的位置，并且特别地构造成当挡板从关闭位置移动到部分打开位置时，逐渐增加穿过阀的气流。蝶形阀可以被配置为具有在径向向内延伸一定距离的突出部，该突出部位于孔的直径相对的位置，并且包括尺寸和形状以与挡板的相应相对表面配合以密封气体当挡板放置在关闭位置时在孔内流动。蝶形阀也可以被构造成具有围绕安装到挡板的轴的衬套。轴延伸穿过壳体并且联接到壳体外部的臂。衬套和臂被构造成具有互补表面以在其间提供密封，其用于最小化或消除来自阀的气体的不期望的泄漏。

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