Patents by Inventor Gregory Michael Laskowski
Gregory Michael Laskowski 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: 11918943Abstract: A turbine engine having a compressor section, a combustor section, a turbine section, and a rotatable drive shaft that couples a portion of the turbine section and a portion of the compressor section. A bypass conduit couples the compressor section to the turbine section while bypassing at least the combustion section. At least one particle separator is located in the turbine engine having a separator inlet that receives a bypass stream, a separator outlet that receives a reduced-particle stream flows, and a particle outlet that receives a concentrated-particle stream comprising separated particles. A conduit, fluidly coupled to the particle outlet, extends through an interior of at least one stationary vane.Type: GrantFiled: November 23, 2022Date of Patent: March 5, 2024Assignee: General Electric CompanyInventors: Timothy Deryck Stone, Gregory Michael Laskowski, Robert Proctor, Curtis Stover, Robert Francis Manning, Victor Hugo Silva Correia, Jared Peter Buhler, Robert Carl Murray, Corey Bourassa, Byron Andrew Pritchard, Jr., Jonathan Russell Ratzlaff
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Publication number: 20230226476Abstract: A turbine engine having a compressor section, a combustor section, a turbine section, and a rotatable drive shaft that couples a portion of the turbine section and a portion of the compressor section. A bypass conduit couples the compressor section to the turbine section while bypassing at least the combustion section. At least one particle separator is located in the turbine engine having a separator inlet that receives a bypass stream, a separator outlet that receives a reduced-particle stream flows, and a particle outlet that receives a concentrated-particle stream comprising separated particles. A conduit, fluidly coupled to the particle outlet, extends through an interior of at least one stationary vane.Type: ApplicationFiled: November 23, 2022Publication date: July 20, 2023Inventors: Timothy Deryck STONE, Gregory Michael LASKOWSKI, Robert PROCTOR, Curtis STOVER, Robert Francis Manning, Victor Hugo Silva CORREIA, Jared Peter BUHLER, Robert Carl MURRAY, Corey BOURASSA, Byron Andrew PRITCHARD, JR., Jonathan Russell RATZLAFF
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Patent number: 11541340Abstract: A turbine engine having an inducer assembly. The inducer assembly includes a centrifugal separator fluidly coupled to an inducer with an inducer inlet and an inducer outlet. The centrifugal separator includes a body, an angular velocity increaser to form a concentrated-particle stream and a reduced-particle stream, a flow splitter, and an exit conduit fluidly coupled to the body to receive the reduced-particle stream and define a separator outlet.Type: GrantFiled: May 20, 2021Date of Patent: January 3, 2023Assignee: General Electric CompanyInventors: Timothy Deryck Stone, Gregory Michael Laskowski, Robert Proctor, Curtis Stover, Robert Francis Manning, Victor Hugo Silva Correia, Jared Peter Buhler, Robert Carl Murray, Corey Bourassa, Byron Andrew Pritchard, Jr., Jonathan Russell Ratzlaff
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Publication number: 20210275951Abstract: A turbine engine having an inducer assembly. The inducer assembly includes a centrifugal separator fluidly coupled to an inducer with an inducer inlet and an inducer outlet. The centrifugal separator includes a body, an angular velocity increaser to form a concentrated-particle stream and a reduced-particle stream, a flow splitter, and an exit conduit fluidly coupled to the body to receive the reduced-particle stream and define a separator outlet.Type: ApplicationFiled: May 20, 2021Publication date: September 9, 2021Inventors: Timothy Deryck STONE, Gregory Michael LASKOWSKI, Robert PROCTOR, Curtis STOVER, Robert Francis Manning, Victor Hugo Silva CORREIA, Jared Peter BUHLER, Robert Carl MURRAY, Corey BOURASSA, Byron Andrew PRITCHARD, JR., Jonathan Russell RATZLAFF
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Patent number: 11033845Abstract: A turbine engine having a bypass fluid conduit coupled to the turbine section includes at least one particle separator located within the bypass fluid conduit to separate particles from a bypass fluid stream prior to the bypass stream reaching the turbine section for cooling. A centrifugal separator for removing particles from a fluid stream includes an angular velocity increaser, a particle outlet, an angular velocity decreaser downstream of the angular velocity increaser, and a bend provided between the angular velocity increaser and the angular velocity decreaser.Type: GrantFiled: May 29, 2015Date of Patent: June 15, 2021Assignee: General Electric CompanyInventors: Timothy Deryck Stone, Gregory Michael Laskowski, Robert Proctor, Curtis Stover, Robert Francis Manning, Victor Hugo Silva Correia, Jared Peter Buhler, Robert Carl Murray, Corey Bourassa, Jr., Byron Andrew Pritchard, Jonathan Russell Ratzlaff
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Patent number: 10975731Abstract: A centrifugal separator for removing particles from a fluid stream includes an angular velocity increaser configured to increase the angular velocity of a fluid stream, a flow splitter configured to split the fluid stream to form a concentrated-particle stream and a reduced-particle stream, and an exit conduit configured to receive the reduced-particle stream. An inducer assembly for a turbine engine includes an inducer with a flow passage having an inducer inlet and an inducer outlet in fluid communication with a turbine section of the engine, and a particle separator, which includes a particle concentrator that receives a compressed stream from a compressor section of the engine and a flow splitter. A turbine engine includes a cooling air flow circuit which supplies a fluid stream to a turbine section of the engine for cooling, a particle separator located within the cooling air flow circuit, and an inducer forming a portion of the cooling air flow circuit in fluid communication with the particle separator.Type: GrantFiled: May 28, 2015Date of Patent: April 13, 2021Assignee: General Electric CompanyInventors: Robert Francis Manning, Timothy Deryck Stone, Jared Peter Buhler, Victor Hugo Silva Correia, Gregory Michael Laskowski, Robert Carl Murray, Jonathan Russell Ratzlaff, Robert Proctor, John Howard Starkweather, Curtis Walton Stover
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Patent number: 10428664Abstract: A nozzle assembly for a gas turbine engine includes at least one pair of fixed vanes to define a nozzle between the pair of fixed vanes. The vanes can have an interior chamber defining a cooling circuit with a particle separator located within the interior chamber. The particle separator, which can comprise a virtual impactor, can have an accelerator for accelerating fluid moving through the virtual impactor such that the flow path is divided into a major flow moving into the interior chamber and a minor flow moving into a particle collector defined within the virtual impactor. The accelerator accelerates the fluid such that particles within the fluid are carried by their momentum into the particle collector with the minor flow, removing the particles from the major flow of fluid moving into the interior chamber.Type: GrantFiled: October 15, 2015Date of Patent: October 1, 2019Assignee: General Electric CompanyInventors: Hojjat Nasr, Ronald Scott Bunker, Gregory Michael Laskowski, Erich Alois Krammer
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Patent number: 10167725Abstract: An engine component for a turbine engine includes a particle collector having a substrate configured to retain at least some particles from a particle-laden stream passing through a portion of the engine. A fluid bypass around the substrate of the collector enables the particle-laden stream to bypass the substrate if the substrate is filled with particles.Type: GrantFiled: September 22, 2015Date of Patent: January 1, 2019Assignee: General Electric CompanyInventors: Robert Francis Manning, Victor Hugo Silva Correia, Jared Peter Buhler, Byron Andrew Pritchard, Jr., William Collins Vining, Corey Bourassa, Gregory Michael Laskowski, David Vickery Parker
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Patent number: 9988936Abstract: A shroud assembly for a gas turbine engine includes a shroud, hanger, and a hanger support mounted adjacent to a plurality of blades. The hanger can have an interior chamber defining a cooling circuit with a particle separator located within the interior chamber. The particle separator can have an inlet for accepting a flow of cooling fluid, such that a the flow of cooling fluid separates into a major flow and a minor flow carrying particles or particulate matter along the minor flow into a particle collector comprising at least a portion of the particle separator. Particles become constrained to the minor flow and pass into the particle collector, while the major flow is separated into the remaining area of the interior chamber to remove the particles from the flow of cooling fluid passing into the interior chamber.Type: GrantFiled: October 15, 2015Date of Patent: June 5, 2018Assignee: General Electric CompanyInventors: Hojjat Nasr, Gregory Michael Laskowski, Curtis Walton Stover, William Collins Vining
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Patent number: 9915176Abstract: A shroud assembly for a turbine engine includes a shroud having a front side confronting the blades of a turbine and a back side opposite the front side, a hanger configured to couple the shroud to with casing of the turbine, a cooling conduit extending through the hanger to supply a cooling fluid stream to the back side of the shroud, and a particle separator having a through passage forming part of the cooling conduit and a scavenge conduit branching from the through passage.Type: GrantFiled: May 19, 2015Date of Patent: March 13, 2018Assignee: General Electric CompanyInventors: Robert Carl Murray, Gregory Michael Laskowski, Corey Bourassa, Byron Andrew Pritchard, Jr., Curtis Walton Stover
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Publication number: 20170114720Abstract: A turbine engine having a bypass fluid conduit coupled to the turbine section includes at least one particle separator located within the bypass fluid conduit to separate particles from a bypass fluid stream prior to the bypass stream reaching the turbine section for cooling. A centrifugal separator for removing particles from a fluid stream includes an angular velocity increaser, a particle outlet, an angular velocity decreaser downstream of the angular velocity increaser, and a bend provided between the angular velocity increaser and the angular velocity decreaser.Type: ApplicationFiled: May 29, 2015Publication date: April 27, 2017Inventors: Timothy Deryck STONE, Gregory Michael LASKOWSKI, Robert PROCTOR, Curtis STOVER, Robert Francis Manning, Victor Hugo Silva CORREIA, Jared Peter BUHLER, Robert Carl MURRAY, Corey BOURASSA, Jr., Byron Andrew PRITCHARD, Jonathan Russell RATZLAFF
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Publication number: 20170107852Abstract: A shroud assembly for a gas turbine engine includes a shroud, hanger, and a hanger support mounted adjacent to a plurality of blades. The hanger can have an interior chamber defining a cooling circuit with a particle separator located within the interior chamber. The particle separator can have an inlet for accepting a flow of cooling fluid, such that a the flow of cooling fluid separates into a major flow and a minor flow carrying particles or particulate matter along the minor flow into a particle collector comprising at least a portion of the particle separator. Particles become constrained to the minor flow and pass into the particle collector, while the major flow is separated into the remaining area of the interior chamber to remove the particles from the flow of cooling fluid passing into the interior chamber.Type: ApplicationFiled: October 15, 2015Publication date: April 20, 2017Inventors: Hojjat Nasr, Gregory Michael Laskowski, Curtis Walton Stover, William Collins Vining
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Publication number: 20170107834Abstract: A nozzle assembly for a gas turbine engine includes at least one pair of fixed vanes to define a nozzle between the pair of fixed vanes. The vanes can have an interior chamber defining a cooling circuit with a particle separator located within the interior chamber. The particle separator, which can comprise a virtual impactor, can have an accelerator for accelerating fluid moving through the virtual impactor such that the flow path is divided into a major flow moving into the interior chamber and a minor flow moving into a particle collector defined within the virtual impactor. The accelerator accelerates the fluid such that particles within the fluid are carried by their momentum into the particle collector with the minor flow, removing the particles from the major flow of fluid moving into the interior chamber.Type: ApplicationFiled: October 15, 2015Publication date: April 20, 2017Inventors: Hojjat Nasr, Ronald Scott Bunker, Gregory Michael Laskowski, Erich Alois Krammer
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Publication number: 20170101896Abstract: A centrifugal separator for removing particles from a fluid stream includes an angular velocity increaser configured to increase the angular velocity of a fluid stream, a flow splitter configured to split the fluid stream to form a concentrated-particle stream and a reduced-particle stream, and an exit conduit configured to receive the reduced-particle stream. An inducer assembly for a turbine engine includes an inducer with a flow passage having an inducer inlet and an inducer outlet in fluid communication with a turbine section of the engine, and a particle separator, which includes a particle concentrator that receives a compressed stream from a compressor section of the engine and a flow splitter. A turbine engine includes a cooling air flow circuit which supplies a fluid stream to a turbine section of the engine for cooling, a particle separator located within the cooling air flow circuit, and an inducer forming a portion of the cooling air flow circuit in fluid communication with the particle separator.Type: ApplicationFiled: May 28, 2015Publication date: April 13, 2017Applicant: GENERAL ELECTRIC COMPANYInventors: Robert Francis MANNING, Timothy Deryck STONE, Jared Peter BUHLER, Victor Hugo Silva CORREIA, Gregory Michael LASKOWSKI, Robert Carl MURRAY, Jonathan Russell RATZLAFF, Robert PROCTOR, John Howard STARKWEATHER, Curtis Walton STOVER
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Publication number: 20160123154Abstract: An engine component for a turbine engine includes a particle collector having a substrate configured to retain at least some particles from a particle-laden stream passing through a portion of the engine. A fluid bypass around the substrate of the collector enables the particle-laden stream to bypass the substrate if the substrate is filled with particles.Type: ApplicationFiled: September 22, 2015Publication date: May 5, 2016Inventors: Robert Francis MANNING, Victor Hugo Silva CORREIA, Jared Peter BUHLER, Byron Andrew PRITCHARD, JR., William Collins Vining, Corey BOURASSA, Gregory Michael LASKOWSKI, David Vickery PARKER
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Patent number: 9045705Abstract: Gasification cooling systems provided herein may include a housing having a fluid passage extending in a flow direction lengthwise along the housing and an annular wall disposed about the fluid passage and having one or more annular steps. Such systems may also include a plurality of heat exchanger tubes downstream of the one or more annular steps and adapted to cool a syngas in the gas passage as the syngas flows in the flow direction.Type: GrantFiled: April 29, 2011Date of Patent: June 2, 2015Assignee: General Electric CompanyInventors: Ryan Blanchard, Gregory Michael Laskowski
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Patent number: 9028569Abstract: A gasification quench chamber is disclosed. The gasification quench chamber includes a reservoir that contains liquid coolant in its lower portion and an exit for the cooled syngas in its upper portion; a dip tube that is configured to introduce a syngas mixture to contact the liquid coolant which produces the cooled syngas; a cooling device configured to further cool the cooled syngas in its upper portion; and a stability device in the lower portion that is configured to mitigate coolant level fluctuation and sloshing. In an embodiment of the quench chamber, the cooling device includes a heat exchanger pipe. A quench chamber and scrubber assembly is also disclosed.Type: GrantFiled: December 15, 2010Date of Patent: May 12, 2015Assignee: General Electric CompanyInventors: Prashant Tiwari, Aaron Avagliano, Judeth Brannon Corry, Constantin Dinu, Helge Burghard Herwig Klockow, Gregory Michael Laskowski, Sarah Marie Monahan, Denise Marie Rico, James Michael Storey
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Patent number: 8758458Abstract: A gasifier includes a combustion chamber in which a fuel is burned to produce a syngas and a particulated solid residue. A quench chamber is disposed downstream of the combustion chamber. A dip tube is disposed coupling the combustion chamber to the quench chamber. The syngas is directed to contact liquid coolant in the quench chamber and produce a cooled syngas. A draft tube is disposed surrounding the dip tube such that an annular passage is formed. A baffle is disposed proximate to an exit path of the quench chamber. The cooled syngas is directed through the annular passage and impacted against the baffle so as to remove entrained liquid content from the cooled syngas before it is directed through the exit path. A cross sectional area of the annular passage is larger towards the bottom of the quench chamber and smaller towards the top of the quench chamber.Type: GrantFiled: September 14, 2012Date of Patent: June 24, 2014Assignee: General Electric CompanyInventors: Prashant Tiwari, Gregory Michael Laskowski, Judeth Brannon Corry, Helge Burghard Herwig Klockow, Allyson Joy Jimenez-Huyke, Shailesh Singh Bhaisora, Steven Craig Russell, Karl Hardcastle, Jennifer Lynn Moyer, Scott Reginald Parent, Yulianto Salahuddin Mohsin
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Patent number: 8673036Abstract: A gasifier includes a combustion chamber in which a fuel is burned to produce a syngas and a particulated solid residue. A quench chamber having a liquid coolant is disposed downstream of the combustion chamber. A dip tube couples the combustion chamber to the quench chamber. The syngas is directed from the combustion chamber to the quench chamber via the dip tube to contact the liquid coolant and produce a cooled syngas. A draft tube surrounds the dip tube such that an annular passage is formed between the draft tube and the dip tube. An asymmetric or symmetric faceted baffle is disposed proximate to an exit path of the quench chamber. The cooled syngas is directed through the annular passage and impacted against the baffle so as to remove entrained liquid content from the cooled syngas before the cooled syngas is directed through the exit path.Type: GrantFiled: September 14, 2012Date of Patent: March 18, 2014Assignee: General Electric CompanyInventors: Prashant Tiwari, Gregory Michael Laskowski, Judeth Brannon Corry, Helge Burghard Herwig Klockow, Allyson Joy Jimenez-Huyke, Shailesh Singh Bhaisora, Steven Craig Russell, Karl Hardcastle, Jennifer Lynn Moyer, Scott Reginald Parent, Yulianto Salahuddin Mohsin
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Publication number: 20130011307Abstract: A gasifier includes a combustion chamber in which a fuel is burned to produce a syngas and a particulated solid residue. A quench chamber having a liquid coolant is disposed downstream of the combustion chamber. A dip tube couples the combustion chamber to the quench chamber. The syngas is directed from the combustion chamber to the quench chamber via the dip tube to contact the liquid coolant and produce a cooled syngas. A draft tube surrounds the dip tube such that an annular passage is formed between the draft tube and the dip tube. An asymmetric or symmetric faceted baffle is disposed proximate to an exit path of the quench chamber. The cooled syngas is directed through the annular passage and impacted against the baffle so as to remove entrained liquid content from the cooled syngas before the cooled syngas is directed through the exit path.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: GENERAL ELECTRIC COMPANYInventors: Prashant Tiwari, Gregory Michael Laskowski, Judeth Brannon Corry, Helge Burghard Herwig Klockow, Allyson Joy Jimenez-Huyke, Shailesh Singh Bhaisora, Steven Craig Russell, Karl Hardcastle, Jennifer Lynn Moyer, Scott Reginald Parent, Yulianto Salahuddin Mohsin