Patents by Inventor Marc C. Megel
Marc C. Megel 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: 11739681Abstract: A far square or diamond architecture engine with tumble flow to support spark-ignited fuel usage. The engine may be provided in a configuration generally suited for swirl flow, compression combustion fuel usage. However, the introduction of a unique, replaceable valve head assembly may be utilized to induce tumble flow within a combustion chamber of the engine. Thus, spark-ignited fuel may be utilized without requiring vast overhaul of the engine to accommodate such fuels. Notably, with the addition of such an assembly, diesel fuel may be replaced with natural gas on large scale equipment without the requirement of impractically burdensome or expensive measures.Type: GrantFiled: September 7, 2021Date of Patent: August 29, 2023Assignee: Southwest Research InstituteInventors: Kevin L. Hoag, Anthony S. Perkins, Ian P. Gilbert, Christopher L. Wray, Marc C Megel, Zainal Abidin
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Patent number: 11655777Abstract: An engine with a vertically oriented parallel valve and stem arrangement accommodating tumble flow to support spark-ignited fuel usage. The engine may be provided in a configuration generally suited for swirl flow, compression combustion fuel usage. However, the introduction of a unique, replaceable valve head assembly may be utilized to induce tumble flow within a combustion chamber of the engine. Thus, spark-ignited fuel may be utilized without requiring vast overhaul of the engine to accommodate such fuels. Notably, with the addition of such an assembly, diesel fuel may be replaced with natural gas on large scale equipment without the requirement of impractically burdensome or expensive measures.Type: GrantFiled: September 7, 2021Date of Patent: May 23, 2023Inventors: Christopher L. Wray, Zainal Abidin, Kevin L. Hoag, Anthony S. Perkins, Ian P. Gilbert, Marc C. Megel
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Publication number: 20230073196Abstract: A far square or diamond architecture engine with tumble flow to support spark-ignited fuel usage. The engine may be provided in a configuration generally suited for swirl flow, compression combustion fuel usage. However, the introduction of a unique, replaceable valve head assembly may be utilized to induce tumble flow within a combustion chamber of the engine. Thus, spark-ignited fuel may be utilized without requiring vast overhaul of the engine to accommodate such fuels. Notably, with the addition of such an assembly, diesel fuel may be replaced with natural gas on large scale equipment without the requirement of impractically burdensome or expensive measures.Type: ApplicationFiled: September 7, 2021Publication date: March 9, 2023Applicant: Southwest Research InstituteInventors: Kevin L. Hoag, Anthony S. Perkins, Ian P. Gilbert, Christopher L. Wray, Marc C. Megel, Zainal Abidin
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Publication number: 20230077310Abstract: An engine with a vertically oriented parallel valve and stem arrangement accommodating tumble flow to support spark-ignited fuel usage. The engine may be provided in a configuration generally suited for swirl flow, compression combustion fuel usage. However, the introduction of a unique, replaceable valve head assembly may be utilized to induce tumble flow within a combustion chamber of the engine. Thus, spark-ignited fuel may be utilized without requiring vast overhaul of the engine to accommodate such fuels. Notably, with the addition of such an assembly, diesel fuel may be replaced with natural gas on large scale equipment without the requirement of impractically burdensome or expensive measures.Type: ApplicationFiled: September 7, 2021Publication date: March 9, 2023Applicant: Southwest Research InstituteInventors: Christopher L. Wray, Zainal Abidin, Kevin L. Hoag, Anthony S. Perkins, Ian P. Gilbert, Marc C. Megel
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Patent number: 10054083Abstract: An exhaust gas recirculation (EGR) system for an internal combustion engine having two dedicated EGR cylinders. A dual valve system is used to control the output of the dedicated EGR cylinders so that the engine may intake EGR exhaust from both, only one, or neither of the dedicated EGR cylinders.Type: GrantFiled: June 30, 2015Date of Patent: August 21, 2018Assignee: SOUTHWEST RESEARCH INSTITUTEInventors: Martin Selway, Ian Paul Gilbert, Marc C. Megel
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Publication number: 20170002774Abstract: An exhaust gas recirculation (EGR) system for an internal combustion engine having two dedicated EGR cylinders. A dual valve system is used to control the output of the dedicated EGR cylinders so that the engine may intake EGR exhaust from both, only one, or neither of the dedicated EGR cylinders.Type: ApplicationFiled: June 30, 2015Publication date: January 5, 2017Applicant: Southwest Research InstituteInventors: Martin Selway, Ian Paul Gilbert, Marc C. Megel
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Patent number: 9162280Abstract: A hybrid ceramic/sand casting method of manufacturing a metal part. The method is especially suitable for manufacturing engine cylinder blocks or cylinder head, which have very small internal passages or other very small internal features. These parts are formed using a hybrid core having at least one ceramic section and at least one sand section, with the ceramic section being used to create the internal feature. A mold cavity is created for the part, and the hybrid core is positioned in the mold. Molten metal is introduced into the mold, and after the metal cools, the core is removed, thereby forming the part with the internal feature.Type: GrantFiled: July 23, 2013Date of Patent: October 20, 2015Assignee: SOUTHWEST RESEARCH INSTITUTEInventors: Barry E. Westmoreland, Douglas A. McKee, Marc C. Megel, Mark A. Tussing, Thomas E. Reinhart, David P. Branyon
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Publication number: 20150027658Abstract: A hybrid ceramic/sand casting method of manufacturing a metal part. The method is especially suitable for manufacturing engine cylinder blocks or cylinder head, which have very small internal passages or other very small internal features. These parts are formed using a hybrid core having at least one ceramic section and at least one sand section, with the ceramic section being used to create the internal feature. A mold cavity is created for the part, and the hybrid core is positioned in the mold. Molten metal is introduced into the mold, and after the metal cools, the core is removed, thereby forming the part with the internal feature.Type: ApplicationFiled: July 23, 2013Publication date: January 29, 2015Applicant: Southwest Research InstituteInventors: Barry E. Westmoreland, Douglas A. McKee, Marc C. Megel, Mark A. Tussing, Thomas E. Reinhart, David P. Branyon
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Patent number: 8899207Abstract: A cylinder head for an engine is provided comprising a monolithic structure forming an upper deck, a fire deck, at least one coolant jacket and a cavity to accommodate a fuel injector or an ignitor therein, the cavity defined by a wall connecting the fire deck with the upper deck. The wall connecting the fire deck with the upper deck, as well as other features of the cylinder head, are preferably arranged to support the fire deck against a deflection thereof by transmitting a mechanical load introduced on a flame face of the fire deck to the upper deck. A method of increasing the stiffness of the cylinder head is also provided.Type: GrantFiled: October 14, 2009Date of Patent: December 2, 2014Assignee: Southwest Research InstituteInventors: Marc C. Megel, Mark A. Tussing, Barry E. Westmoreland, Douglas A. McKee, Riccardo Meldolesi, Gareth Roberts
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Patent number: 8544450Abstract: A cylinder head sleeve for an engine is provided comprising a sleeve first part and a sleeve second part which form a cavity to contain a fuel injector or an ignitor, and wherein the sleeve first part and the sleeve second part which form a joint for the sleeve first part and the sleeve second part to move relative to each other. A cylinder head assembly is also provided comprising the sleeve and a cylinder head, as well as a method of providing the cylinder head assembly.Type: GrantFiled: October 14, 2009Date of Patent: October 1, 2013Assignee: Southwest Research InstituteInventors: Marc C. Megel, Mark A. Tussing, Barry E. Westmoreland
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Patent number: 8267148Abstract: A hybrid ceramic/sand casting method of manufacturing a metal part. The method is especially suitable for parts having one or more very small internal gaps, such as might occur with a linear passage or round opening. These parts are formed using a hybrid core having at least one ceramic section and at least one sand section, with the ceramic section being used to create the internal gap. A mold cavity is created for the part, and the hybrid core is positioned in the mold. Molten metal is introduced into the mold, and after the metal cools, the core is removed, thereby forming the part with the internal gap.Type: GrantFiled: September 9, 2011Date of Patent: September 18, 2012Assignee: Southwest Research InstituteInventors: Marc C. Megel, Douglas A. McKee, Barry E. Westmoreland, Keith E. Denholm
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Publication number: 20110083624Abstract: A cylinder head for an engine is provided comprising a monolithic structure forming an upper deck, a fire deck, at least one coolant jacket and a cavity to accommodate a fuel injector or an ignitor therein, the cavity defined by a wall connecting the fire deck with the upper deck. The wall connecting the fire deck with the upper deck, as well as other features of the cylinder head, are preferably arranged to support the fire deck against a deflection thereof by transmitting a mechanical load introduced on a flame face of the fire deck to the upper deck. A method of increasing the stiffness of the cylinder head is also provided.Type: ApplicationFiled: October 14, 2009Publication date: April 14, 2011Applicant: SOUTHWEST RESEARCH INSTITUTEInventors: Marc C. MEGEL, Mark A. TUSSING, Barry E. WESTMORELAND, Douglas A. McKEE, Riccardo MELDOLESI, Gareth ROBERTS
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Publication number: 20110083622Abstract: A cylinder head sleeve for an engine is provided comprising a sleeve first part and a sleeve second part which form a cavity to contain a fuel injector or an ignitor, and wherein the sleeve first part and the sleeve second part which form a joint for the sleeve first part and the sleeve second part to move relative to each other. A cylinder head assembly is also provided comprising the sleeve and a cylinder head, as well as a method of providing the cylinder head assembly.Type: ApplicationFiled: October 14, 2009Publication date: April 14, 2011Applicant: SOUTHWEST RESEARCH INSTITUTEInventors: Marc C. MEGEL, Mark A. TUSSING, Barry E. WESTMORELAND