Patents by Inventor Benjamin Hale
Benjamin Hale 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: 8178460Abstract: An exhaust treatment method is provided. Method of increasing activation of NOx reduction catalyst using two or more reductant is discussed. The NOx catalyst is disposed to receive both the exhaust stream and reductant stream. The sensor is disposed to sense a system parameter related to carbon loading of the catalyst and produce a signal corresponding to the system parameter. The controller is disposed to receive the signal and to control dosing of the reductant stream based at least in part on the signal. The method includes sensing a system parameter related to carbon loading of a catalyst, producing a signal corresponding to the system parameter and sending the signal to a controller; and controlling a dosing of a reductant stream based at least in part on the signal.Type: GrantFiled: December 12, 2011Date of Patent: May 15, 2012Assignee: General Electric CompanyInventors: Daniel George Norton, Benjamin Hale Winkler, Ashish Balkrishna Mhadeshwar, Dan Hancu, Stanlee Teresa Buddle
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Publication number: 20120107207Abstract: A system for reducing nitrogen oxides from an exhaust fluid is provided. The system includes an exhaust source, a hydrocarbon reductant source, a first injector in fluid communication with the hydrocarbon reductant source, where the first injector receives a first hydrocarbon reductant stream from the hydrocarbon reductant source, and expels the first portion of the hydrocarbon reductant stream. The system further includes a first catalyst that receives the exhaust stream and the first hydrocarbon reductant stream, a second injector in fluid communication with the hydrocarbon reductant source, where the second injector receives a second hydrocarbon reductant stream from the hydrocarbon reductant source, and expels the second hydrocarbon reductant stream, and a second catalyst disposed to receive an effluent from the first catalyst and the second portion of the hydrocarbon reductant stream.Type: ApplicationFiled: October 29, 2010Publication date: May 3, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Benjamin Hale Winkler, Dan Hancu, Ashish Balkrishna Mhadeshwar
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Publication number: 20120087838Abstract: A catalyst system includes a first catalytic composition and a second catalytic composition. The first catalytic composition includes a homogeneous solid mixture, which includes a first catalytic material disposed on a first substrate. The pores of the solid mixture have an average diameter of greater than about 45 nanometers. The second catalytic composition includes at least one of a zeolite or a second catalytic material disposed on a second substrate. The second catalytic material includes an element selected from the group that includes tungsten, titanium, and vanadium.Type: ApplicationFiled: October 6, 2010Publication date: April 12, 2012Applicant: General Electric CompanyInventors: Benjamin Hale Winkler, Dan Hancu, Daniel George Norton, Ashish Balkrishna Mhadeshwar
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Publication number: 20120082605Abstract: An exhaust treatment method is provided. Method of increasing activation of NOx reduction catalyst using two or more reductant is discussed. The NOx catalyst is disposed to receive both the exhaust stream and reductant stream. The sensor is disposed to sense a system parameter related to carbon loading of the catalyst and produce a signal corresponding to the system parameter. The controller is disposed to receive the signal and to control dosing of the reductant stream based at least in part on the signal. The method includes sensing a system parameter related to carbon loading of a catalyst, producing a signal corresponding to the system parameter and sending the signal to a controller; and controlling a dosing of a reductant stream based at least in part on the signal.Type: ApplicationFiled: December 12, 2011Publication date: April 5, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Daniel George Norton, Benjamin Hale Winkler, Ashish Balkrishna Mhadeshwar, Dan Hancu, Stanlee Teresa Buddle
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Publication number: 20120047877Abstract: An exhaust treatment system is provided. Method of increasing activation of NOx reduction catalyst using two or more reductant is discussed. The exhaust treatment system includes an exhaust source, a reductant source, a nitrogen oxide (NOx) reduction catalyst, a sensor, and a controller. The reductant source includes a first reductant and second reductant, and is disposed to inject a reductant stream into an exhaust stream from the exhaust source. The NOx catalyst is disposed to receive both the exhaust stream and reductant stream. The sensor is disposed to sense a system parameter related to carbon loading of the catalyst and produce a signal corresponding to the system parameter. The controller is disposed to receive the signal and to control dosing of the reductant stream based at least in part on the signal.Type: ApplicationFiled: August 31, 2010Publication date: March 1, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Benjamin Hale Winkler, Daniel George Norton, Ashish Balkrishna Mhadeshwar, Dan Hancu, Stanlee Teresa Buddle
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Patent number: 8110283Abstract: An article includes a membrane having pores and that is air permeable. A nanoparticle precursor is dispersed throughout the pores, and the nanoparticle precursor is responsive to a stimulus to form a catalytically active nanoparticle. An associated method is also provided.Type: GrantFiled: September 28, 2007Date of Patent: February 7, 2012Assignee: General Electric CompanyInventors: Vishal Bansal, Benjamin Hale Winkler, Hieu Minh Duong, Tamaki Ryo
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Patent number: 8101145Abstract: An exhaust treatment system is provided. Method of increasing activation of NOx reduction catalyst using two or more reductant is discussed. The exhaust treatment system includes an exhaust source, a reductant source, a nitrogen oxide (NOx) reduction catalyst, a sensor, and a controller. The reductant source includes a first reductant and second reductant, and is disposed to inject a reductant stream into an exhaust stream from the exhaust source. The NOx catalyst is disposed to receive both the exhaust stream and reductant stream. The sensor is disposed to sense a system parameter related to carbon loading of the catalyst and produce a signal corresponding to the system parameter. The controller is disposed to receive the signal and to control dosing of the reductant stream based at least in part on the signal.Type: GrantFiled: August 31, 2010Date of Patent: January 24, 2012Assignee: General Electric CompanyInventors: Daniel George Norton, Benjamin Hale Winkler, Ashish Balkrishna Mhadeshwar, Dan Hancu, Stanlee Teresa Buddle
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Patent number: 8056322Abstract: A system is provided for supplying reductants to an emission treatment unit. The system comprises a fuel tank adapted to directly or indirectly supply a first premixed fuel stream and a second premixed fuel stream, wherein each fuel stream comprises a primary fuel component and an oxygenate reductant component. An engine is in fluid communication with the fuel tank, wherein the engine is configured to receive the first premixed fuel stream and create an exhaust stream. The system further includes an emission treatment unit to treat the exhaust stream. A separation unit is configured to receive the second premixed fuel stream, separate the second premixed fuel stream into a first fraction stream and a second fraction stream, and supply the first fraction stream to the emission treatment unit, wherein the first fraction stream comprises a higher concentration of the oxygenate reductant component than the second fraction stream.Type: GrantFiled: January 9, 2008Date of Patent: November 15, 2011Assignee: General Electric CompanyInventors: Benjamin Hale Winkler, Dan Hancu, Frederic Vitse, Norberto Silvi, Hua Wang, Ke Liu
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Publication number: 20110239622Abstract: An emission treatment system is provided. The emission treatment system comprises a separation system and a selective catalytic reduction (SCR) catalyst. The separation system comprises a separator, a fuel inlet disposed to supply fuel to the separator, a first fuel outlet and a second fuel outlet respectively disposed to carry away fuel from the separator. The SCR catalyst comprises a catalyst composition comprising silver and templated metal oxide substrate. The emission treatment system is designed such that the separation system is configured to be in fluid communication with the SCR catalyst through the first fuel outlet during operation. A system including the emission treatment system and a combustion engine is also provided. Method of increasing NOx reduction efficiency of the SCR catalyst using fuel fraction is discussed.Type: ApplicationFiled: March 31, 2010Publication date: October 6, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Dan Hancu, Benjamin Hale Winkler, Daniel George Norton, Larry Neil Lewis
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Publication number: 20110209459Abstract: A catalyst composition is provided that includes a catalytic metal secured to a substrate, and the substrate is mesoporous and has pores that are templated. A catalyst composition includes a catalytic metal secured to a mesoporous substrate. The mesoporous substrate is a reaction product of a reactive solution, a solvent, a modifier, and a templating agent. A method for controlling nitrous oxide emissions including the catalyst composition comprising introducing a regeneration fuel into an exhaust stream upstream relative to the catalyst composition and heating the exhaust stream upstream relative to the catalyst composition. When the regeneration fuel is introduced the air ? of an air/fuel mixture of a lean burn exhaust does not exceed 1.Type: ApplicationFiled: February 26, 2010Publication date: September 1, 2011Inventors: Dan Hancu, Larry Neil Lewis, Benjamin Hale Winkler, Daniel George Norton
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Patent number: 8007573Abstract: A filter includes a membrane having pores and that is air permeable. A nanoparticle precursor is dispersed throughout the pores, and the nanoparticle precursor is responsive to a stimulus to form a catalytically active nanoparticle. An associated method is also provided.Type: GrantFiled: September 28, 2007Date of Patent: August 30, 2011Assignee: General Electric CompanyInventors: Vishal Bansal, Benjamin Hale Winkler, Hieu Minh Duong, Tamaki Ryo
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Patent number: 7987663Abstract: A method is provided for operating a diesel engine with reduced emissions. The method comprises combusting a first biodiesel blend fuel in a diesel engine resulting in the production of diesel exhaust gases containing NOx. The diesel exhaust gases are admixed with a second biodiesel blend fuel, and the second biodiesel blend fuel is hydrolyzed to form reducing agents. The diesel exhaust gases containing NOx are passed through an NOx-reducing catalyst to reduce the NOx through a selective catalytic reduction reaction with the reducing agents. The invention further provides a method for operating a diesel engine with reduced emissions, comprising combusting a first biodiesel blend fuel in a diesel engine resulting in the production of diesel exhaust gases containing NOx. A second biodiesel blend fuel is converted in a fuel processor thereby forming reducing agents, and the diesel exhaust gases are admixed with the reducing agents.Type: GrantFiled: November 30, 2007Date of Patent: August 2, 2011Assignee: General Electric CompanyInventors: Dan Hancu, Benjamin Hale Winkler, Gregg Anthony Deluga, Daniel George Norton, Frederic Vitse
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Publication number: 20110166015Abstract: The present invention details a process for producing a catalyst powder. The steps of the process include preparing catalyst slurry, drying, pyrolyzing, and calcining the catalyst slurry to obtain a calcined catalyst powder. The catalyst slurry comprises a catalyst, a liquid carrier, a templating agent, and a catalyst substrate. The catalyst slurry is dried to obtain a raw catalyst powder. The raw catalyst powder is heated in a first controlled atmosphere to obtain a pyrolyzed catalyst powder and the pyrolyzed catalyst powder is calcined in a second controlled atmosphere to obtain a calcined catalyst powder. A method of fabricating a catalyst surface and catalytic converter using the prepared catalyst powder is also illustrated.Type: ApplicationFiled: January 6, 2010Publication date: July 7, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Daniel George Norton, Larry Neil Lewis, Elliott West Shanklin, Frederic Joseph Klug, Venkat Subramaniam Venkataramani, Robert Joseph Lyons, Dan Hancu, Benjamin Hale Winkler, Hrishikesh Keshavan
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Publication number: 20110152068Abstract: A method for coating a support with a catalyst powder is provided. The method includes preparing a slurry by mixing a catalyst precursor, substrate precusor, a templating agent and a surfactant, spray drying the slurry into a powder and calcing the powder to produce a treated powder. Another slurry is created using the treated powder and a liquid medium, such as isopropyl alcohol, to form a washcoat. The washcoat is applied to a support, dried and repeated until a desired amount of powder is applied to the support. The support is then calcined.Type: ApplicationFiled: December 17, 2009Publication date: June 23, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Hrishikesh Keshavan, Dan Hancu, Benjamin Hale Winkler
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Publication number: 20110152064Abstract: A method for coating a support with a catalyst powder is provided. The method includes preparing a slurry by mixing a catalyst precursor, substrate precursor, a templating agent and a surfactant, spray drying the slurry into a powder and calcing the powder to produce a treated powder. Another slurry is created using the treated powder and a liquid medium, such as isopropyl alcohol. A second catalytic material is added to this slurry to form a washcoat. The washcoat is applied to a support, dried and repeated until a desired amount of powder is applied to the support. The support is then calcined.Type: ApplicationFiled: December 17, 2009Publication date: June 23, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Hrishikesh Keshavan, Dan Hancu, Benjamin Hale Winkler
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Publication number: 20110120100Abstract: A catalyst system comprising a first catalytic composition comprising a homogeneous solid mixture containing at least one catalytic metal and at least one metal inorganic support. The pores of the solid mixture have an average diameter in a range of about 1 nanometer to about 15 nanometers. The catalytic metal comprises nanocrystals.Type: ApplicationFiled: November 24, 2009Publication date: May 26, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Ming Yin, Larry Neil Lewis, Oltea Puica Siclovan, Dan Hancu, Benjamin Hale Winkler, Daniel George Norton, Ashish Balkrishna Mhadeshwar
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Publication number: 20110047988Abstract: A catalyst system comprising a first catalytic composition comprising a first catalytic material disposed on a metal inorganic support; wherein the metal inorganic support has pores; and at least one promoting metal. The catalyst system further comprises a second catalytic composition comprising, (i) a zeolite, or (ii) a first catalytic material disposed on a first substrate, the first catalytic material comprising an element selected from the group consisting of tungsten, titanium, and vanadium. The catalyst system may further comprise a third catalytic composition. The catalyst system may further comprise a delivery system configured to deliver a reductant and optionally a co-reductant. A catalyst system comprising a first catalytic composition, the second catalytic composition, and the third catalytic composition is also provided. An exhaust system comprising the catalyst systems described herein is also provided.Type: ApplicationFiled: August 31, 2009Publication date: March 3, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Larry Neil Lewis, Benjamin Hale Winkler, Dan Hancu, Daniel George Norton, Ashish Balkrishna Mhadeshwar
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Publication number: 20110047995Abstract: A catalyst system comprising a first catalytic composition comprising, (i) a first component comprising a zeolite, and (ii) a second component comprising a homogeneous solid mixture containing at least one catalytic metal and at least one metal inorganic network; wherein the pores of the solid mixture have an average diameter in a range of about 1 nanometer to about 15 nanometers; wherein the first component and the second component form an intimate mixture. The catalyst system may further comprise a second catalytic composition and a third catalytic composition. The catalyst system may further comprise a delivery system configured to deliver a reductant and optionally a co-reductant. An exhaust system comprising the catalyst systems described herein is also provided.Type: ApplicationFiled: August 31, 2009Publication date: March 3, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Larry Neil Lewis, Donald Wayne Whisenhunt, Jr., Dan Hancu, Ashish Balkrishna Mhadeshwar, Benjamin Hale Winkler, Daniel George Norton, Oltea Puica Siclovan
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Publication number: 20100150801Abstract: The present invention provides a formed catalyst comprising a binder, a zeolite, and a catalytic metal disposed on a porous inorganic material. The zeolite domains in the formed catalyst are substantially free of the catalytic metal which is disposed on and or within the porous inorganic material. The formed catalyst is in various embodiments an extrudate, a pellet, or a foamed material. In one embodiment, the catalytic metal is silver and the porous inorganic material is ?-alumina. The formed catalysts provided are useful in the reduction of NOx in combustion gas streams.Type: ApplicationFiled: February 24, 2010Publication date: June 17, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Hrishikesh Keshavan, Benjamin Hale Winkler, Dan Hancu
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Publication number: 20100146947Abstract: A system comprising a fuel converter comprising a catalyst composition capable of converting a fuel into a selected one or both of a syngas reductant and a short chain hydrocarbon reductant, wherein the catalyst composition comprises: cracking sites that perform a cracking function when a temperature of an exhaust fluid is greater than a predetermined threshold temperature, wherein the cracking function converts long chain hydrocarbon molecules to short chain hydrocarbon molecules; and partial oxidation sites that perform a catalytic partial oxidation function when the temperature of the exhaust fluid is less than the predetermined threshold temperature, wherein the catalytic partial oxidation function oxidizes the fuel to produce the syngas reductant; and a selective catalytic reduction catalyst reactor in fluid communication with the fuel converter and the exhaust fluid.Type: ApplicationFiled: December 16, 2008Publication date: June 17, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Ke Liu, Gregg Anthony Deluga, Arnaldo Frydman, Gregory Ronald Gillette, Daniel Hancu, Daniel George Norton, Frederic Vitse, Benjamin Hale Winkler