Patents by Inventor Konrad Roman Weeber
Konrad Roman Weeber has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8141234Abstract: A method for magnetizing a rotor of an electrical machine is provided. The method includes assembling an array of non-magnetized anisotropic permanent magnet segments around a rotor spindle encased in a metallic ring. The method also includes determining multiple optimal magnetization orientation directions of the non-magnetized anisotropic permanent magnet segments. Further, the method includes positioning the assembled non-magnetized anisotropic permanent magnet segments around the rotor spindle such that the optimal magnetization orientation directions of the anisotropic permanent magnet segments are aligned with multiple flux lines produced by a magnetization fixture. Finally, the method includes energizing the magnetization fixture for magnetizing the segments via a pulse direct current for an optimal duration of the pulse.Type: GrantFiled: October 19, 2009Date of Patent: March 27, 2012Assignee: General Electric CompanyInventors: Charles Michael Stephens, Konrad Roman Weeber, Steven Joseph Galioto, Ralph James Carl, Jr.
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Publication number: 20110315230Abstract: The present invention provides novel motor-compressor systems and methods useful for handling acid gas, by-produced produced in large quantities from natural gas refining. In one embodiment, a novel motor-compressor system comprises first compressor; a pressure vessel configured to receive a compressed gas from the first compressor; a heat exchanger coupled to the pressure vessel configured to cool the compressed gas and provide a cooled compressed gas; and an electric motor housed within the pressure vessel, wherein the electric motor is mechanically coupled to the first compressor, and wherein the pressure vessel is configured to receive at least a portion of the cooled compressed gas from the heat exchanger and contact the electric motor. The methods and systems described herein are particularly useful in acid gas re-injection operations where large quantities of acid gas are subjected to compression at high pressure and leakage prevention is critical.Type: ApplicationFiled: June 29, 2010Publication date: December 29, 2011Applicant: General Electric CompanyInventors: Konrad Roman Weeber, Massimo Camatti
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Publication number: 20110088249Abstract: A method for magnetizing a rotor of an electrical machine is provided. The method includes assembling an array of non-magnetized anisotropic permanent magnet segments around a rotor spindle encased in a metallic ring. The method also includes determining multiple optimal magnetization orientation directions of the non-magnetized anisotropic permanent magnet segments. Further, the method includes positioning the assembled non-magnetized anisotropic permanent magnet segments around the rotor spindle such that the optimal magnetization orientation directions of the anisotropic permanent magnet segments are aligned with multiple flux lines produced by a magnetization fixture. Finally, the method includes energizing the magnetization fixture for magnetizing the segments via a pulse direct current for an optimal duration of the pulse.Type: ApplicationFiled: October 19, 2009Publication date: April 21, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Charles Michael Stephens, Konrad Roman Weeber, Steven Joseph Galioto, Ralph James Carl, JR.
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Publication number: 20110049109Abstract: A process of forming an encapsulated magnet assembly is provided, the process comprising welding a second portion of a housing cover formed of a non-magnetic material to a first portion of a housing cover formed of a magnetic material to provide a welded housing cover and subsequently heat-treating the welded housing cover at a temperature effective to relieve weld stress; disposing a magnet within a housing comprising at least one wall formed of the non-magnetic material and defining at least one aperture; and welding the heat treated welded housing cover to the housing such that the second portion of the housing cover is fixedly attached to the housing wall to hermetically seal the aperture. In one embodiment, the magnet of the encapsulated magnet assembly is a permanent magnet, and in an alternate embodiment an electromagnet. In one embodiment the encapsulated magnet assembly is a component of a stator-rotor assembly.Type: ApplicationFiled: November 5, 2010Publication date: March 3, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Konrad Roman Weeber, Jeremy Daniel Van Dam, Mohamed Ahmed Ali
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Publication number: 20110043063Abstract: The present invention provides an encapsulated magnet assembly, comprising (a) a magnet disposed within a housing, said housing comprising at least one wall and defining at least one aperture; and (b) a housing cover; the housing cover comprising a first portion made of a magnetic material and a second portion made of a non-magnetic material, wherein the housing cover is configured to hermetically seal said aperture, the first portion being fixedly attached to the second portion wherein a point of attachment is heat treated; and wherein the housing wall is formed of the non-magnetic material and is fixedly attached to the second portion of the housing cover. In one embodiment, the magnet of the encapsulated magnet assembly is a permanent magnet, and in an alternate embodiment an electromagnet. In one embodiment the encapsulated magnet assembly is a component of a stator-rotor assembly.Type: ApplicationFiled: October 29, 2010Publication date: February 24, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Konrad Roman Weeber, Jeremy Daniel Van Dam, Mohamed Ahmed Ali
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Publication number: 20110023288Abstract: Rotor and stator assemblies that utilize magnetic bearings for supporting the rotor shaft during operation can be suitably used in corrosive environments, such as sour gas. The rotor and stator assemblies include NACE compliant magnetic bearing arrangements for sour gas applications. One embodiment includes a stator assembly that comprises a stator sleeve formed of a magnetic material, a sleeve extender coaxial to the stator sleeve formed of a non-magnetic material fixedly attached to each end of the stator sleeve, wherein a point of attachment is heat treated, and a wall formed of the non-magnetic material fixedly attached to the sleeve extender configured to hermetically house a stator and form the encapsulated stator assembly.Type: ApplicationFiled: October 14, 2010Publication date: February 3, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Konrad Roman Weeber, Mohamed Ahmed Ali, Mohammad Ehteshami, Ravindra Gadangi, Ramgopal Thodla, Jeremy Daniel Van Dam
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Publication number: 20100327537Abstract: Disclosed herein is a system including a motor comprising a rotor, a stator and a sealing assembly having at least one joint and a monolithic ceramic separator. Each joint of the sealing assembly is a chemical bond joint, and the monolithic ceramic separator is disposed in a gap between the rotor and the stator of the motor such that the sealing assembly hermetically isolates the rotor and the stator.Type: ApplicationFiled: June 25, 2009Publication date: December 30, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Curtis Alan Johnson, Myles Standish Peterson, II, Jeremy Daniel Vandam, Timothy James Yosenick, Konrad Roman Weeber, John Russell Yagielski, Wayne Charles Hasz, Martin Mathew Morra
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Patent number: 7847454Abstract: Rotor and stator assemblies that utilize magnetic bearings for supporting the rotor shaft during operation can be suitably used in corrosive environments, such as sour gas. The rotor and stator assemblies include NACE compliant magnetic bearing arrangements for sour gas applications. One embodiment includes a stator assembly that comprises a stator sleeve formed of a magnetic material, a sleeve extender coaxial to the stator sleeve formed of a non-magnetic material fixedly attached to each end of the stator sleeve, wherein a point of attachment is heat treated, and a wall formed of the non-magnetic material fixedly attached to the sleeve extender configured to hermetically house a stator and form the encapsulated stator assembly.Type: GrantFiled: November 2, 2007Date of Patent: December 7, 2010Assignee: General Electric CompanyInventors: Konrad Roman Weeber, Mohamed Ahmed Ali, Mohammad Ehteshami, Ravindra Gadangi, Ramgopal Thodla, Jeremy Daniel Van Dam
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Patent number: 7811068Abstract: A compressor assembly for use in transporting natural gas is provided. The assembly includes a natural gas compressor comprising at least one stage of compression, a permanent magnet-type super-synchronous motor coupled to the natural gas compressor for powering said compressor, and a housing, the compressor positioned within the housing, and the compressor configured to facilitate increasing a pressure of natural gas being transmitted.Type: GrantFiled: November 16, 2005Date of Patent: October 12, 2010Assignee: General Electric CompanyInventors: Konrad Roman Weeber, Christopher Anthony Kaminski, Yu Wang, James Michael Fogarty, Ralph James Carl, Jr., Charles Michael Stephens
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Patent number: 7768173Abstract: A stator for an electrical machine includes teeth assembled from a plurality of stacked laminations mounted on a cylindrical protective surface thereby forming a plurality of slots. The stator also includes an armature winding assembled within the teeth by inserting components of the armature winding into the plurality of stator slots from positions external to the teeth in a manner that facilitates mitigating potential for coil distortion. The armature winding includes a plurality of coils that each include an end winding. The stator further includes a segmented yoke inserted around the armature winding in a manner that facilitates mitigating a potential for disturbing the end winding of the coils. Independently assembling the stator components in this manner facilitates varying a thickness and/or the number of heat conducting laminations between the yoke and teeth that subsequently facilitates heat transfer from the armature winding to an outer pressure casing of the machine.Type: GrantFiled: August 21, 2009Date of Patent: August 3, 2010Assignee: General Electric CompanyInventors: Christopher Anthony Kaminski, Blake Weldon Wilson, James Michael Fogarty, Emil Donald Jarczynski, John Russell Yagielski, Konrad Roman Weeber
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Patent number: 7709988Abstract: An electrical machine to facilitate transporting fluids through a pipeline is provided. The electrical machine includes a rotor assembly that further includes an array of magnets configured to generate a distributed magnetic field. The rotor assembly has corrosion-resistant features that facilitates mitigating deleterious effects to the rotor assembly while being exposed to aggressive and harsh fluids.Type: GrantFiled: April 7, 2006Date of Patent: May 4, 2010Assignee: General Electric CompanyInventors: Christopher Anthony Kaminski, Charles Michael Stephens, James Michael Fogarty, Jeremy Daniel Van Dam, John Russell Yagielski, Konrad Roman Weeber
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Publication number: 20090309431Abstract: A stator for an electrical machine includes teeth assembled from a plurality of stacked laminations mounted on a cylindrical protective surface thereby forming a plurality of slots. The stator also includes an armature winding assembled within the teeth by inserting components of the armature winding into the plurality of stator slots from positions external to the teeth in a manner that facilitates mitigating potential for coil distortion. The armature winding includes a plurality of coils that each include an end winding. The stator further includes a segmented yoke inserted around the armature winding in a manner that facilitates mitigating a potential for disturbing the end winding of the coils. Independently assembling the stator components in this manner facilitates varying a thickness and/or the number of heat conducting laminations between the yoke and teeth that subsequently facilitates heat transfer from the armature winding to an outer pressure casing of the machine.Type: ApplicationFiled: August 21, 2009Publication date: December 17, 2009Inventors: Christopher Anthony Kaminski, Blake Weldon Wilson, James Michael Fogarty, Emil Donald Jarczynski, John Russell Yagielski, Konrad Roman Weeber
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Patent number: 7579724Abstract: A stator for an electrical machine includes teeth assembled from a plurality of stacked laminations mounted on a cylindrical protective surface thereby forming a plurality of slots. The stator also includes an armature winding assembled within the teeth by inserting components of the armature winding into the plurality of stator slots from positions external to the teeth in a manner that facilitates mitigating potential for coil distortion. The armature winding includes a plurality of coils that each include an end winding. The stator further includes a segmented yoke inserted around the armature winding in a manner that facilitates mitigating a potential for disturbing the end winding of the coils. Independently assembling the stator components in this manner facilitates varying a thickness and/or the number of heat conducting laminations between the yoke and teeth that subsequently facilitates heat transfer from the armature winding to an outer pressure casing of the machine.Type: GrantFiled: June 2, 2006Date of Patent: August 25, 2009Assignee: General Electric CompanyInventors: Christopher Anthony Kaminski, Blake Weldon Wilson, James Michael Fogarty, Emil Donald Jarczynski, John Russell Yagielski, Konrad Roman Weeber
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Publication number: 20090113999Abstract: Test methods for testing rotor and stator assemblies that utilize magnetic bearings prior to installation. The test method generally includes operating the rotor and stator assembly prior to installation in a test atmosphere at a pressure greater than 2 bar. The test atmosphere can be formed of air, an inert gas, or an expanded cryogenic gas.Type: ApplicationFiled: November 2, 2007Publication date: May 7, 2009Applicant: GENERAL ELECTRIC COMPANYInventors: William Dwight Gerstler, Mohamed Ahmed Ali, Bruce William Brisson, Mohammad Ehteshami, Ravindra Gadangi, Konrad Roman Weeber
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Patent number: 7508101Abstract: An electrical machine to facilitate transporting fluids through a pipeline is provided. The machine includes a stator, a rotor magnetically coupled to the stator, and a housing enclosing the rotor and the stator. The housing includes a wall that facilitates channeling a first fluid at a first pressure through a portion of the housing. The machine also includes a stator enclosure defined by at least one wall that facilitates maintaining a second fluid within the stator enclosure. The stator enclosure is positioned within the electric machine housing. The stator enclosure has at least one wall that substantially isolates the second fluid from the first fluid such that only the second fluid is in flow communication with the stator. The stator enclosure has at least one wall that facilitates heat transfer from the second fluid to the first fluid. At least a portion of at least one of the stator enclosure walls is configured to facilitate equalizing the first pressure and the second pressure.Type: GrantFiled: February 24, 2006Date of Patent: March 24, 2009Assignee: General Electric CompanyInventors: Christopher Anthony Kaminski, Blake Weldon Wilson, James Michael Fogarty, Emil Donald Jarczynski, William Dwight Gerstler, John Russell Yagielski, Konrad Roman Weeber
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Publication number: 20090009012Abstract: A magnetizer for a rotor of an electrical machine is provided. The magnetizer includes a magnetizing yoke and coils wound around the magnetizing yoke. The magnetizing yoke includes multiple pole-pieces extending therefrom, and at least some of the pole-pieces include a cobalt alloy.Type: ApplicationFiled: July 3, 2007Publication date: January 8, 2009Applicant: GENERAL ELECTRIC COMPANYInventors: Charles Michael Stephens, Christopher Anthony Kaminski, Konrad Roman Weeber, John Russell Yagielski
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Patent number: 7466046Abstract: A method of operating a high speed machine, wherein the method includes providing at least one heteropolar generator that includes a stator, a rotor, and at least one stationary superconducting field coil therein. The method also includes coupling at least one cryogenic refrigeration system to the at least one stationary superconducting field coil, wherein the at least one cryogenic refrigeration system is coupled in flow communication with only the at least one stationary superconducting field coils to facilitate reducing an operating temperature of the at least one stationary superconducting field coil.Type: GrantFiled: July 5, 2006Date of Patent: December 16, 2008Assignee: General Electric CompanyInventors: Konrad Roman Weeber, Kiruba Sivasubramaniam
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Publication number: 20080219834Abstract: Rotor and stator assemblies that utilize magnetic bearings for supporting the rotor shaft during operation can be suitably used in corrosive environments, such as sour gas. The rotor and stator assemblies include NACE compliant magnetic bearing arrangements for sour gas applications. In one embodiment, a rotor shaft assembly for a magnetic bearing arrangement comprises a rotor shaft formed of a ferromagnetic material comprising a plurality of rotor laminations disposed on the rotor shaft; and a barrier layer formed on selected exposed surfaces of the rotor shaft, wherein the barrier layer is effective to resist corrosion relative to the surface without the barrier layer.Type: ApplicationFiled: November 2, 2007Publication date: September 11, 2008Applicant: GENERAL ELECTRIC COMPANYInventors: Glen David Merfeld, Mohamed Ahmed Ali, Bruce William Brisson, Mohammad Ehteshami, Ravindra Gadangi, William Dwight Gerstler, Eugenio Giorni, Patricia Chapman Irwin, Ramgopal Thodla, Jeremy Daniel Van Dam, Konrad Roman Weeber
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Publication number: 20080218008Abstract: Rotor and stator assemblies that utilize magnetic bearings for supporting the rotor shall during operation can be suitably used in corrosive environments, such as sour gas. The rotor and stator assemblies include NACE compliant magnetic bearing arrangements for sour gas applications. One embodiment includes the use of barrier layers disposed on selected exposed surfaces of the rotor shaft assembly and/or stator assembly. Also disclosed are processes for forming encapsulated stators that exhibit improved corrosion resistance, as well as corrosion resistant materials for backup bearing races and landing sleeves.Type: ApplicationFiled: November 2, 2007Publication date: September 11, 2008Applicant: GENERAL ELECTRIC COMPANYInventors: Farshad Ghasripoor, Mohamed Ahmed Ali, Bruce William Brisson, Mohammad Ehteshami, William Dwight Gerstler, Patricia Chapman Irwin, Vasanth Srinivasa Kothnur, Ramgopal Thodla, Jeremy Daniel Van Dam, Konrad Roman Weeber
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Publication number: 20080218015Abstract: Rotor and stator assemblies that utilize magnetic bearings for supporting the rotor shaft during operation can be suitably used in corrosive environments, such as sour gas. The rotor and stator assemblies include NACE compliant magnetic bearing arrangements for sour gas applications. One embodiment includes a stator assembly that comprises a stator sleeve formed of a magnetic material, a sleeve extender coaxial to the stator sleeve formed of a non-magnetic material fixedly attached to each end of the stator sleeve, wherein a point of attachment is heat treated, and a wall formed of the non-magnetic material fixedly attached to the sleeve extender configured to hermetically house a stator and form the encapsulated stator assembly.Type: ApplicationFiled: November 2, 2007Publication date: September 11, 2008Applicant: GENERAL ELECTRIC COMPANYInventors: Konrad Roman Weeber, Mohamed Ahmed Ali, Mohammad Ehteshami, Ravindra Gadangi, Ramgopal Thodla, Jeremy Daniel Van Dam