Patent application number | Description | Published |
20080278180 | Systems, Methods, and Apparatus for Measuring Capacitance in a Stator Component - Embodiments of the invention can provide systems, methods, and apparatus for providing a capacitance paddle for measuring capacitance in a stator component such as a stator bar. In one embodiment, a system for measuring capacitance can include an output device operable to measure capacitance in an object. Furthermore, the system can include at least three contacts operable to mount to the object to be sensed. In addition, the system can include at least one conductive material operable to mount to the object to be sensed. Moreover, the system can include a compressible material adjacent to at least some of the at least three contacts and the at least one conductive material, wherein the compressible material can be compressed to permit the contacts to simultaneously contact the object to be sensed, and wherein the output device can output a measure of capacitance associated with the object. | 11-13-2008 |
20080290604 | BARRIER SEALING SYSTEM FOR CENTRIFUGAL COMPRESSORS - A rotary machine includes a machine rotor, a bearing coupled to the machine rotor, a machine stator, and a sealing device disposed between the machine rotor and the machine stator. The sealing device includes a dry gas seal and first and second seals disposed between the dry gas seal and the bearing. One or both of the first and second seals includes a brush seal or more specifically a brush seal including a plurality of non-metallic fibers. | 11-27-2008 |
20090066033 | BARRIER SEALING SYSTEM - A barrier seal system comprises a rotatable shaft disposed within an outer housing. The rotatable shaft axially extends from a high-pressure region to a low-pressure region within the outer housing. At least a portion of the rotatable shaft, typically the portion disposed adjacent to the low-pressure region, comprises an oleophobic surface. The system further comprises a barrier seal that radially extends from the outer housing to the rotatable shaft and defines a gap between the barrier seal and the rotatable shaft. A barrier gas injector is provided for injecting a barrier gas into the gap to flow from the high-pressure region to the low-pressure region. | 03-12-2009 |
20090172934 | METHODS AND SYSTEMS FOR IN-SITU MACHINE MAINTENANCE - Methods and systems for maintaining a machine using an in-situ vehicle (IV) is provided. The IV may be used with a machine that includes a work-piece and an interference body positioned proximate a surface of the work-piece such that a relatively small gap extends between the work-piece and the interference body. The method includes transporting the IV from external to the machine into the gap, positioning the IV in the gap such that at least a portion of the IV circumscribes a work area of the work-piece, locking the IV between the work-piece and the interference body, and manipulating a tool coupled to the IV from external to the machine, the tool configured to transfer a component between the work-piece and a storage cassette on the IV. | 07-09-2009 |
20090250879 | SYSTEM AND METHOD FOR ADJUSTING STIFFNESS OF A BRUSH SEALING SYSTEM - A brush sealing system includes a plurality of bristles, each having a first end coupled to a holding device and a second end protruding outwards from the holding device. One or more shims are disposed between the first end of each of the bristles and the holding device; wherein the shims are configured to controlling a pinch point diameter of the bristles. | 10-08-2009 |
20100072706 | MECHANICAL SEALING SYSTEM AND METHOD FOR ROTARY MACHINES - A rotary machine includes a machine rotor, a machine stator, and a fluid seal disposed between the machine rotor and the machine stator. The fluid seal includes a fluid seal stator, a fluid seal rotor, and an active gap control mechanism coupled to the fluid seal stator. The fluid seal is configured to control a gap between the fluid seal stator and the fluid seal rotor. | 03-25-2010 |
20110210513 | NON-METALLIC BRUSH SEAL - A rotary machine comprises a housing, a rotor that is rotatably disposed within the housing and having an axis about which the rotor may spin, and a seal disposed upon the housing. The seal comprises a support disposed on the housing and a plurality of flexible non-metallic bristles that extend from the housing and engage the rotor, such that the seal provides a barrier to fluid flow between a first region located in a first axial direction from the seal and a second region located in an opposite axial direction from the first region. The first region is filled with a bearing liquid and the second region is filled with a process fluid. | 09-01-2011 |
20110223039 | PUMP ASSEMBLY AND METHOD - A pump assembly comprises a centrifugal pump configured to pump a multiphase fluid, a suction conduit in fluid communication with the centrifugal pump, and a discharge conduit in fluid communication with the centrifugal pump. The pump further comprises an eductor comprising one or more motive nozzles disposed within the suction conduit. Wherein the one or more motive nozzles are configured to introduce a motive fluid into the suction conduit and toward the centrifugal pump along a suction direction roughly co-directional with the suction conduit toward the centrifugal pump. A method and a pump assembly for pumping a multiphase fluid are also presented. | 09-15-2011 |
20120177484 | Elliptical Sealing System - The present application provides an elliptical sealing system for use with a rotor and a stator housing of a rotary machine. The elliptical sealing system may include a number of sealing segments with an abradable coating thereon. The sealing segments with the abradable coating thereon may have a substantially elliptical shape. A number of biasing members may be in communication with the sealing segments and the stator housing. | 07-12-2012 |
20130105027 | ARTICLES COMPRISING A HYDRATE-INHIBITING SILICONE COATING | 05-02-2013 |
20130142628 | ABRADABLE SEAL WITH AXIAL OFFSET - A sealing system for a centrifugal compressor includes a stator having a seal, a seal disposed in the seal housing and having an abradable portion along an inner circumference, a rotor having a plurality of rotor teeth configured to rotate within the inner circumference of the seal and configured to create rub grooves within the abradable portion, and a first spring disposed between the stator and the seal and configured to facilitate axial movement of the seal relative to the seal housing. | 06-06-2013 |
20130161007 | PULSE DETONATION TOOL, METHOD AND SYSTEM FOR FORMATION FRACTURING - According to one aspect of the invention, a pulse detonation tool is provided for fracturing subterranean formations. The pulse detonation tool includes a pulse detonation combustor and creates an isolated zone within a wellbore. The tool generate a series of repeating supersonic shock waves that are directed into the subterranean formation to cause propagation of multiple fractures into the formation. According to another aspect of the invention, a method and system for fracturing a subterranean formation using pulse detonation is provided. | 06-27-2013 |
20140321993 | ELLIPTICAL SEALING SYSTEM - Some embodiments of the invention are directed to an elliptical sealing system for use with a rotor and a stator housing of a rotary machine. The elliptical sealing system includes a plurality of sealing segments; and an abradable coating having a uniform thickness disposed on each of the plurality of sealing segments, such that the plurality of sealing segments with the abradable coating disposed thereon has a substantially elliptical shape under all conditions when the rotor rotates and the rotor remains stationary. A rotary machine having the elliptical sealing system is also disclosed. | 10-30-2014 |