Patents by Inventor John P. Timmons
John P. Timmons 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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Publication number: 20240091673Abstract: The present disclosure generally relates to a method for preparing a powder or granular foam control compositions and methods for reducing or preventing or breaking foam in various applications such as powder detergents as well as coatings, cementing, concrete, gypsum board and other construction type applications or in some agricultural formulations like fertilizers, herbicides and pesticides.Type: ApplicationFiled: November 9, 2023Publication date: March 21, 2024Inventors: John P. GARRIS, Michael Travis HALE, Matthew Paul TIMMONS
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Patent number: 11912545Abstract: A wireless hoist system including a first hoist device having a first motor and a first wireless transceiver and a second hoist device having a second motor and a second wireless transceiver. The wireless hoist system includes a controller in wireless communication with the first wireless transceiver and the second wireless. The controller is configured to receive a user input and determine a first operation parameter and a second operation parameter based on the user input. The controller is also configured to provide, wirelessly, a first control signal indicative of the first operation parameter to the first hoist device and provide, wirelessly, a second control signal indicative of the second operation parameter to the second hoist device. The first hoist device operates based on the first control signal and the second hoist device operates based on the second control signal.Type: GrantFiled: June 26, 2020Date of Patent: February 27, 2024Assignee: Milwaukee Electric Tool CorporationInventors: Matthew Post, Gareth Mueckl, Matthew N. Thurin, Joshua D. Widder, Timothy J. Bartlett, Patrick D. Gallagher, Jarrod P. Kotes, Karly M. Schober, Kenneth W. Wolf, Terry L. Timmons, Mallory L. Marksteiner, Jonathan L. Lambert, Ryan A. Spiering, Jeremy R. Ebner, Benjamin A. Smith, James Wekwert, Brandon L. Yahr, Troy C. Thorson, Connor P. Sprague, John E. Koller, Evan M. Glanzer, John S. Scott, William F. Chapman, III, Timothy R. Obermann
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Patent number: 9732713Abstract: A fuel system for an engine has a cylinder with an inlet air port, an air box surrounding the inlet air port, and a gaseous fuel injector positioned in the air box and having a nozzle located at the inlet air port. The fuel system also has a gaseous fuel control valve, a fuel supply line fluidly extending from the gaseous fuel control valve to the gaseous fuel injector, a purge valve, and a purge fluid supply line fluidly extending from the purge valve to at least one of the fuel supply line and the gaseous fuel injector. The fuel system also has a return valve and a return line fluidly extending from at least one of the fuel supply line and the gaseous fuel injector.Type: GrantFiled: April 10, 2015Date of Patent: August 15, 2017Assignee: Electro-Motive Diesel, Inc.Inventors: Deep Bandyopadhyay, Farhan F. Devani, John P. Timmons, David T. Montgomery, Aaron G. Foege
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Patent number: 9714624Abstract: An engine system is disclosed. The engine system may have an engine including at least one cylinder. Further, the engine system may have a nozzle configured to selectively inject gaseous fuel into the at least one cylinder of the engine. The engine system may also have an intake port configured to direct air for combustion to the at least one cylinder. In addition, the engine system may have exhaust valves associated with the at least one cylinder. The exhaust valves may be configured to direct exhaust from the cylinder to an atmosphere. The exhaust valves may also be configured to close at different times.Type: GrantFiled: April 3, 2015Date of Patent: July 25, 2017Assignee: Electro-Motive Diesel, Inc.Inventors: Deep Bandyopadhyay, John P. Timmons, David Todd Montgomery, Aaron Gamache Foege
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Patent number: 9581113Abstract: A nozzle for a gaseous fuel injector has a converging portion, a tip connected to the converging portion, and an anti-leakage device disposed at the tip to selectively inhibit leakage of a residual gaseous fuel from the nozzle.Type: GrantFiled: April 10, 2015Date of Patent: February 28, 2017Assignee: Electro-Motive Diesel, Inc.Inventors: Deep Bandyopadhyay, Farhan F. Devani, John P. Timmons
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Publication number: 20160298588Abstract: A nozzle for a gaseous fuel injector has a converging portion, a tip connected to the converging portion, and an anti-leakage device disposed at the tip to selectively inhibit leakage of a residual gaseous fuel from the nozzle.Type: ApplicationFiled: April 10, 2015Publication date: October 13, 2016Applicant: ELECTRO-MOTIVE DIESEL, INC.Inventors: Deep BANDYOPADHYAY, Farhan F. Devani, John P. Timmons
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Publication number: 20160298554Abstract: A fuel system for an engine has a cylinder with an inlet air port, an air box surrounding the inlet air port, and a gaseous fuel injector positioned in the air box and having a nozzle located at the inlet air port. The fuel system also has a gaseous fuel control valve, a fuel supply line fluidly extending from the gaseous fuel control valve to the gaseous fuel injector, a purge valve, and a purge fluid supply line fluidly extending from the purge valve to at least one of the fuel supply line and the gaseous fuel injector. The fuel system also has a return valve and a return line fluidly extending from at least one of the fuel supply line and the gaseous fuel injector.Type: ApplicationFiled: April 10, 2015Publication date: October 13, 2016Applicant: ELECTRO-MOTIVE DIESEL, INC.Inventors: Deep BANDYOPADHYAY, Farhan F. DEVANI, John P. TIMMONS, David T. MONTGOMERY, Aaron G. FOEGE
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Publication number: 20160290243Abstract: An engine system is disclosed. The engine system may have an engine including at least one cylinder. Further, the engine system may have a nozzle configured to selectively inject gaseous fuel into the at least one cylinder of the engine. The engine system may also have an intake port configured to direct air for combustion to the at least one cylinder. In addition, the engine system may have exhaust valves associated with the at least one cylinder. The exhaust valves may be configured to direct exhaust from the cylinder to an atmosphere. The exhaust valves may also be configured to close at different times.Type: ApplicationFiled: April 3, 2015Publication date: October 6, 2016Applicant: ELECTRO-MOTIVE DIESEL, INC.Inventors: Deep BANDYOPADHYAY, John P. TIMMONS, David Todd MONTGOMERY, Aaron Gamache FOEGE
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Patent number: 9328693Abstract: A piston for reduced production of particulate matter during combustion of a fuel directly injected after a top dead center position includes a piston body defining a piston body diameter of about 263 mm, and a combustion face upon the first axial body end. The combustion face includes a combustion bowl, and an annular piston rim extending circumferentially around the combustion bowl. Inner and outer rim surfaces together comprise a horizontal width of the rim in a ratio of about 1:1 to about 2:1. The inner rim surface includes a chamfer sloping from about 9° to about 11°, such that a profile of the rim is relieved to limit deflection by the piston of the directly injected fuel toward a cylinder wall.Type: GrantFiled: July 17, 2013Date of Patent: May 3, 2016Assignee: Electro-Motive Diesel, Inc.Inventors: David A. Pierpont, John P. Timmons, Michael B. Goetzke, Kenneth M. Sinko, Reddy Pocha Siva Sankara
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Patent number: 9238996Abstract: A piston for an internal combustion engine includes a piston body having an outer cylindrical surface defining a longitudinal piston axis, a combustion face defining a compound combustion bowl, and a compound rim extending radially outward from the compound combustion bowl to the outer cylindrical surface. The compound combustion bowl includes a convex inner bowl surface defining a conical projection and a concave outer bowl surface. The compound rim includes a flat outer rim surface adjoining the outer cylindrical surface, and a convex inner rim surface adjoining the compound combustion bowl. The convex inner bowl surface transitions smoothly to the concave outer bowl surface, and the convex inner rim surface transitions abruptly to the concave outer bowl surface at an edge of the compound combustion bowl.Type: GrantFiled: January 20, 2015Date of Patent: January 19, 2016Assignee: Caterpillar Inc.Inventors: William L. Easley, David A. Pierpont, Karthikeyan C. Venkatasubramaniam, John P. Timmons
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Publication number: 20150128899Abstract: A piston for an internal combustion engine includes a piston body having an outer cylindrical surface defining a longitudinal piston axis, a combustion face defining a compound combustion bowl, and a compound rim extending radially outward from the compound combustion bowl to the outer cylindrical surface. The compound combustion bowl includes a convex inner bowl surface defining a conical projection and a concave outer bowl surface. The compound rim includes a flat outer rim surface adjoining the outer cylindrical surface, and a convex inner rim surface adjoining the compound combustion bowl. The convex inner bowl surface transitions smoothly to the concave outer bowl surface, and the convex inner rim surface transitions abruptly to the concave outer bowl surface at an edge of the compound combustion bowl.Type: ApplicationFiled: January 20, 2015Publication date: May 14, 2015Applicant: Caterpillar Inc.Inventors: William L. Easley, David A. Pierpont, Karthikeyan C. Venkatasubramaniam, John P. Timmons
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Patent number: 8978621Abstract: A piston for a compression ignition internal combustion engine includes a piston body having a combustion face defining a combustion bowl, and the combustion face including a compound bowl surface and a compound rim surface. The combustion face is profiled to balance a combustion efficiency property of the piston with emissions properties of the piston, and includes a profile of rotation defining a convex curve segment bisected by the longitudinal axis, and a plurality of concave curve segments outboard of the convex curve segment. The profile of rotation further includes a compound rim profile defining a plurality of convex curve segments corresponding to an inner rim surface. The convex curve segment of the compound bowl profile defines a relatively small radius of curvature, and the plurality of convex curve segments corresponding to the inner rim surface define a relatively large radius of curvature.Type: GrantFiled: April 18, 2011Date of Patent: March 17, 2015Assignee: Caterpillar Inc.Inventors: William L. Easley, David A. Pierpont, Karthikeyan C. Venkatasubramaniam, John P. Timmons
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Publication number: 20150020765Abstract: A piston for a compression ignition internal combustion engine includes a piston body having an outer cylindrical surface defined along a longitudinal piston axis. A piston includes a combustion face defining a combustion bowl including an inner bowl surface, an inner rim portion and an outer rim portion. The combustion face includes a cross-sectional profile of rotation about the longitudinal piston axis. A first profile of the profile of rotation includes a convex curve segment, a linear segment outboard the convex curve segments and a first set of concave curve segments outboard the linear segment. The first set of concave curve segments defines a first radius of curvature. A second profile is provided outboard the first profile and includes a second set of concave curve segments. The second set of concave curve segments defines a second radius of curvature greater than the first radius of curvature.Type: ApplicationFiled: July 18, 2013Publication date: January 22, 2015Inventors: David A. Pierpont, John P. Timmons, Michael B. Goetzke, Reddy Pocha Siva Sankara, Raghavendra Subramanya
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Publication number: 20150020767Abstract: A piston for reduced production of particulate matter during combustion of a fuel directly injected after a top dead center position includes a piston body defining a piston body diameter of about 263 mm, and a combustion face upon the first axial body end. The combustion face includes a combustion bowl, and an annular piston rim extending circumferentially around the combustion bowl. Inner and outer rim surfaces together comprise a horizontal width of the rim in a ratio of about 1:1 to about 2:1. The inner rim surface includes a chamfer sloping from about 9° to about 11°, such that a profile of the rim is relieved to limit deflection by the piston of the directly injected fuel toward a cylinder wall.Type: ApplicationFiled: July 17, 2013Publication date: January 22, 2015Inventors: David A. Pierpont, John P. Timmons, Michael B. Goetzke, Kenneth M. Sinko, Reddy Pocha Siva Sankar
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Patent number: 8297053Abstract: An exhaust system for a use with a combustion engine is provided. The exhaust system may have a first exhaust manifold configured to receive exhaust from the engine, and a first turbocharger driven by exhaust from the first exhaust manifold. The exhaust system may also have a second exhaust manifold configured to receive exhaust from the engine in parallel with the first exhaust manifold, and a second turbocharger driven by exhaust from the second exhaust manifold and having a different flow capacity than the first turbocharger. The exhaust system may further have an exhaust gas recirculation circuit in fluid communication with the second exhaust manifold.Type: GrantFiled: July 31, 2008Date of Patent: October 30, 2012Assignee: Caterpillar Inc.Inventors: John R. Gladden, David Andrew Pierpont, John P. Timmons
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Publication number: 20110253096Abstract: A piston for a compression ignition internal combustion engine includes a piston body having a combustion face defining a combustion bowl, and the combustion face including a compound bowl surface and a compound rim surface. The combustion face is profiled to balance a combustion efficiency property of the piston with emissions properties of the piston, and includes a profile of rotation defining a convex curve segment bisected by the longitudinal axis, and a plurality of concave curve segments outboard of the convex curve segment. The profile of rotation further includes a compound rim profile defining a plurality of convex curve segments corresponding to an inner rim surface. The convex curve segment of the compound bowl profile defines a relatively small radius of curvature, and the plurality of convex curve segments corresponding to the inner rim surface define a relatively large radius of curvature.Type: ApplicationFiled: April 18, 2011Publication date: October 20, 2011Applicant: CATERPILLAR INC.Inventors: William L. Easley, David A. Pierpont, John P. Timmons, Karthikeyan C. Venkatasubramaniam
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Publication number: 20100229539Abstract: An engine exhaust aftertreatment system including a selective catalytic reduction (SCR) device. The system contains no significant amount of catalyzed material upstream of the SCR device.Type: ApplicationFiled: March 16, 2009Publication date: September 16, 2010Applicant: Caterpillar Inc.Inventors: JOHN P. TIMMONS, JAMES J. DRISCOLL, ZHIYONG WEI
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Publication number: 20100024416Abstract: An exhaust system for a use with a combustion engine is provided. The exhaust system may have a first exhaust manifold configured to receive exhaust from the engine, and a first turbocharger driven by exhaust from the first exhaust manifold. The exhaust system may also have a second exhaust manifold configured to receive exhaust from the engine in parallel with the first exhaust manifold, and a second turbocharger driven by exhaust from the second exhaust manifold and having a different flow capacity than the first turbocharger. The exhaust system may further have an exhaust gas recirculation circuit in fluid communication with the second exhaust manifold.Type: ApplicationFiled: July 31, 2008Publication date: February 4, 2010Inventors: John R. Gladden, David Andrew Pierpont, John P. Timmons
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Patent number: 7107764Abstract: An exhaust treatment system of a power source includes a filter having a housing with an inlet and an outlet, and a regeneration device disposed outside of the housing of the filter. The regeneration device is fluidly connected to the inlet of the housing. The exhaust treatment system also includes an exhaust line configured to assist in directing a portion of a filtered flow of exhaust from the filter outlet to the power source.Type: GrantFiled: June 15, 2005Date of Patent: September 19, 2006Assignee: Caterpillar Inc.Inventors: Cornelius N. Opris, John P. Timmons, Mari Lou Balmer-Millar, Cho Y. Liang, Anil Raina
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Patent number: 7051699Abstract: Methods for operating a fuel injection system of an engine. A first number of the fuel injectors is operated in a first mode during a first engine cycle. The first mode has a first set of fuel delivery characteristics, including at least one fuel shot per fuel injector per engine cycle. A second number of the fuel injectors is operated in a second mode during the first engine cycle. The second mode has a second set of fuel delivery characteristics, including at least one fuel shot per fuel injector per engine cycle.Type: GrantFiled: June 24, 2003Date of Patent: May 30, 2006Assignee: Caterpillar Inc.Inventors: Brian G. McGee, John P. Timmons