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| Number | Title | Issue Date |
| 8157517 | Boltless multi-part diaphragm for use with a centrifugal compressor A diaphragm assembly of a centrifugal compressor includes a return channel wall having a generally ring-like shape; a vane assembly having a plurality of vanes formed integrally with at least one ring-shaped track having a rail structure extending therefrom; and a d... | 04/17/2012 |
| 8056889 | Positioning device for the fabrication of compressor impellers Disclosed is a multi-axis workpiece manipulator or positioning device (10) having movement along two rectilinear axes (L1 and L2), two pivotable or tilt axes (T1 and T2) and two rotational axes (R1 and R2). The positi... | 11/15/2011 |
| 8033782 | Method to prevent brinelling wear of slot and pin assembly A method to prevent brinelling wear of a slot and pin assembly of an adjustable inlet guide vane mechanism includes: providing a compressor having the adjustable inlet guide vane mechanism including a control ring with a plurality of tapered slots positioned around ... | 10/11/2011 |
| 7731475 | Tilted cone diffuser for use with an exhaust system of a turbine An exhaust system for a turbine includes an annular diffuser and a collector. The annular diffuser is positioned adjacent to a final stage of the turbine and includes a hub portion surrounding a turbine shaft and an outer cone having a substantially frusto-conical s... | 06/08/2010 |
| 7726883 | Four-bearing rotor system A bearing apparatus for reducing vibrations in a compressor shaft (17) carrying a rotating compressor (10) is provided. The bearing apparatus comprises a first bearing (14) for supporting the shaft (17) and a second bearing (13) sp... | 06/01/2010 |
| 7628586 | Impeller An impeller including a plurality of longitudinally-extending blades, each having a first edge and a second edge, a cover member with an inlet orifice and extending along at least a portion of the first edge of each of the plurality of blades, and a hub member exten... | 12/08/2009 |
| 7625121 | Bearing assembly and centering support structure therefor The bearing assembly includes an annular bearing in which the shaft is disposed and a support structure for supporting the bearing. The bearing support is mounted about and radially supports the bearing. The bearing support at least in part defines a squeeze film an... | 12/01/2009 |
| 7409965 | Direct acting hydraulic trip block A direct acting hydraulic voting trip block defines three separate paths between an inlet and an outlet port. Each path is intersected by a valve cylinder. Valve pistons in each valve cylinder are configured, in the activated position, to block two of thee different... | 08/12/2008 |
| 7407715 | Method of brazing and article made therefrom A method of brazing stainless steel components to form a complex shape such as an impeller. The method includes the steps of providing the stainless steel components shaped and formed from a selected stainless steel alloy; providing a brazing alloy having a selected... | 08/05/2008 |
| 7018177 | Impeller lock assembly and method The impeller axial lock limits axial movement of an impeller disposed on a shaft. The impeller is spaced axially from a shaft sleeve disposed about the shaft. The impeller axial lock includes a ring member disposed about the shaft between the impeller and shaft slee... | 03/28/2006 |
| 6933645 | Permanent magnet rotor and magnet cradle A magnet cradle for supporting a permanent magnet in an overhung recessed slot on the surface of a permanent magnet rotor having an axis of rotation. The cradle is non-magnetic and comprises a top and bottom wall abutting the permanent magnet. The cradle is sized to... | 08/23/2005 |
