Patents by Inventor Nathaniel P. Hassall
Nathaniel P. Hassall 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: 20240125253Abstract: A valve actuation system comprises a first arm having a first arm contact surface and operatively connected to a valve actuation motion. A second arm having a second arm contact surface is operatively connected to the at least one engine valve. A discrete lost motion device is provided that is controllable between a first, motion conveying state and a second, motion absorbing state. The discrete lost motion devices comprises a plunger contact surface and a housing contact surface. The housing contact surface is configured to engage one of the first or second arm contact surfaces, and the plunger contact surface is configured to engage another of the first and the second arm contact surfaces. The first and second arm contact surfaces, the housing contact surface and the first plunger contact surface are configured to support the discrete lost motion device between the first arm and the second arm.Type: ApplicationFiled: October 10, 2023Publication date: April 18, 2024Inventors: Bruce A. SWANBON, Justin D. BALTRUCKI, Robb JANAK, G. Michael GRON, JR., John MANDELL, Marc B. SILVA, Tyler HINES, Matei ALEXANDRU, Austen P. METSACK, Gabriel S. ROBERTS, P. Douglas AUBIN, Nathaniel P. HASSALL, John Jerl PURCELL, III, Adam C. CECIL, David M. BARNES
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Publication number: 20230332521Abstract: The present disclosure provides a lubrication system comprising: a pump having an inlet in fluid communication with a lubricant source and an outlet; a cooler having an inlet in fluid communication with the outlet of the pump and an outlet; a lubrication filter having an inlet in fluid communication with the outlet of the cooler and an outlet; a first delivery path in fluid communication with the outlet of the lubrication filter, the first delivery path being configured to deliver cooled, filtered lubricant to a bearing system of an engine; and a second delivery path in fluid communication with the outlet of the pump, the second delivery path being configured to deliver uncooled, unfiltered lubricant to piston cooling nozzles of the engine.Type: ApplicationFiled: June 21, 2023Publication date: October 19, 2023Applicant: Cummins Inc.Inventors: Nathaniel P. Hassall, John Jerl Purcell, III, Stephen D. Cofer, JR., David M. Barnes, Aaron S. Quinton, Reid M. Irish
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Patent number: 11719139Abstract: The present disclosure provides a lubrication system comprising: a pump having an inlet in fluid communication with a lubricant source and an outlet; a cooler having an inlet in fluid communication with the outlet of the pump and an outlet; a lubrication filter having an inlet in fluid communication with the outlet of the cooler and an outlet; a first delivery path in fluid communication with the outlet of the lubrication filter, the first delivery path being configured to deliver cooled, filtered lubricant to a bearing system of an engine; and a second delivery path in fluid communication with the outlet of the pump, the second delivery path being configured to deliver uncooled, unfiltered lubricant to piston cooling nozzles of the engine.Type: GrantFiled: October 31, 2017Date of Patent: August 8, 2023Assignee: CUMMINS INC.Inventors: Nathaniel P. Hassall, John Jerl Purcell, III, Stephen D. Cofer, Jr., David M. Barnes, Aaron S. Quinton, Reid M. Irish
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Patent number: 11649757Abstract: Systems and devices are disclosed for controlling fluid flow to piston cooling nozzles with a fluid flow control device configured to open when an internal combustion engine requires piston cooling at high speed but remains open for a period of time after the engine speed drops below a threshold to prevent heat soak damage to the pistons.Type: GrantFiled: January 24, 2022Date of Patent: May 16, 2023Assignee: Cummins Inc.Inventors: James A. Dods, Nathaniel P. Hassall, Adam C. Cecil, Aaron S. Quinton
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Publication number: 20220145791Abstract: Systems and devices are disclosed for controlling fluid flow to piston cooling nozzles with a fluid flow control device configured to open when an internal combustion engine requires piston cooling at high speed but remains open for a period of time after the engine speed drops below a threshold to prevent heat soak damage to the pistons.Type: ApplicationFiled: January 24, 2022Publication date: May 12, 2022Inventors: James A. Dods, Nathaniel P. Hassall, Adam C. Cecil, Aaron S. Quinton
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Patent number: 11002217Abstract: An engine block assembly and method manufacturing an engine block assembly and related components. A casted engine block assembly includes a cylinder block portion. The cylinder block portion includes a plurality of cylinder block openings disposed therein, a cylinder block flange portion positioned at a top of the cylinder block portion and a cylinder block crankcase portion disposed at a base of the cylinder block. The cylinder block flange portion is configured for coupling the cylinder block to a cylinder head. The cylinder block portion includes a plurality of cylinder block walls extending between the cylinder block flange portion and the cylinder block crankcase portion and positioned about the plurality of cylinder block openings. The cylinder block walls house a plurality of internal channels. The plurality of cylinder block walls are void of enclosed openings extending through at least one of the cylinder block walls in the plurality of cylinder block walls.Type: GrantFiled: October 17, 2017Date of Patent: May 11, 2021Assignee: Cummins Inc.Inventors: Aaron S. Quinton, John Jerl Purcell, III, Nathaniel P. Hassall
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Publication number: 20190271241Abstract: The present disclosure provides a lubrication system comprising: a pump having an inlet in fluid communication with a lubricant source and an outlet; a cooler having an inlet in fluid communication with the outlet of the pump and an outlet; a lubrication filter having an inlet in fluid communication with the outlet of the cooler and an outlet; a first delivery path in fluid communication with the outlet of the lubrication filter, the first delivery path being configured to deliver cooled, filtered lubricant to a bearing system of an engine; and a second delivery path in fluid communication with the outlet of the pump, the second delivery path being configured to deliver uncooled, unfiltered lubricant to piston cooling nozzles of the engine.Type: ApplicationFiled: October 31, 2017Publication date: September 5, 2019Applicant: Cummins Inc.Inventors: Nathaniel P. Hassall, John Jerl Purcell, III, Stephen D. Cofer, JR., David M. Barnes, Aaron S. Quinton, Reid M. Irish
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Patent number: 10240511Abstract: An engine assembly and method of distributing coolant in an engine assembly. A cylinder block includes one or more pairs of cylinder block openings disposed therein. Each pair of cylinder block openings include two cylinder block openings, each configured to house a piston. A cylinder head in fluid communication with the one or more pairs of cylinder block openings. A coolant manifold includes coolant flow passages, each in fluid communication with a coolant flow inlet disposed in the cylinder block between the two cylinder block openings in each pair of cylinder block openings. Fluid from each coolant flow inlet diverges into two coolant flow passages, each extending about a peripheral portion of a respective cylinder block opening. Each coolant flow passage extends from the peripheral portion of the respective cylinder block opening into one or more outlets from the engine block and into the cylinder head.Type: GrantFiled: November 26, 2013Date of Patent: March 26, 2019Assignee: Cummins Inc.Inventors: Mathew Clark, Nathaniel P. Hassall, John Jerl Purcell, III
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Patent number: 10174649Abstract: An engine block, an engine subassembly, and method for providing and manufacturing an engine block. The engine block includes a plurality of cylinder barrels positioned in the engine block, at least one oil jacket channel formed in the engine block, and an oil inlet port positioned in a peripheral wall of the engine block and connected to the at least one oil jacket channel. The at least one oil jacket channel includes a plurality of curved channel sections. Each curved channel section in the plurality of curved channel sections extends about at least a portion of a circumferential portion of a respective cylinder barrel in the plurality of cylinder barrels. The at least one oil jacket channel extends between adjacent cylinder barrels of the plurality of cylinder barrels in the engine block.Type: GrantFiled: October 13, 2017Date of Patent: January 8, 2019Assignee: Cummins Inc.Inventors: Aaron S. Quinton, John Jerl Purcell, III, Nathaniel P. Hassall
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Publication number: 20180038247Abstract: An engine block, an engine subassembly, and method for providing and manufacturing an engine block. The engine block includes a plurality of cylinder barrels positioned in the engine block, at least one oil jacket channel formed in the engine block, and an oil inlet port positioned in a peripheral wall of the engine block and connected to the at least one oil jacket channel. The at least one oil jacket channel includes a plurality of curved channel sections. Each curved channel section in the plurality of curved channel sections extends about at least a portion of a circumferential portion of a respective cylinder barrel in the plurality of cylinder barrels. The at least one oil jacket channel extends between adjacent cylinder barrels of the plurality of cylinder barrels in the engine block.Type: ApplicationFiled: October 13, 2017Publication date: February 8, 2018Applicant: CUMMINS, INC.Inventors: Aaron S. Quinton, John Jerl Purcell, III, Nathaniel P. Hassall
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Patent number: 9856818Abstract: An engine block assembly and method manufacturing an engine block assembly and related components. A casted engine block assembly includes a cylinder block portion. The cylinder block portion includes a plurality of cylinder block openings disposed therein, a cylinder block flange portion positioned at a top of the cylinder block portion and a cylinder block crankcase portion disposed at a base of the cylinder block. The cylinder block flange portion is configured for coupling the cylinder block to a cylinder head. The cylinder block portion includes a plurality of cylinder block walls extending between the cylinder block flange portion and the cylinder block crankcase portion and positioned about the plurality of cylinder block openings. The cylinder block walls house a plurality of internal channels. The plurality of cylinder block walls are void of enclosed openings extending through at least one of the cylinder block walls in the plurality of cylinder block walls.Type: GrantFiled: November 26, 2013Date of Patent: January 2, 2018Assignee: Cummins Inc.Inventors: Aaron S. Quinton, John Jerl Purcell, III, Nathaniel P. Hassall
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Patent number: 9810115Abstract: An engine block, an engine sub-assembly, and method for providing and manufacturing an engine block. The engine block includes a plurality of cylinder barrels positioned in the engine block, at least one oil jacket channel formed in the engine block, and an oil inlet port positioned in a peripheral wall of the engine block and connected to the at least one oil jacket channel. The at least one oil jacket channel includes a plurality of curved channel sections. Each curved channel section in the plurality of curved channel sections extends about at least a portion of a circumferential portion of a respective cylinder barrel in the plurality of cylinder barrels. The at least one oil jacket channel extends between adjacent cylinder barrels of the plurality of cylinder barrels in the engine block.Type: GrantFiled: November 25, 2013Date of Patent: November 7, 2017Assignee: Cummins, Inc.Inventors: Aaron S. Quinton, John Jerl Purcell, III, Nathaniel P. Hassall
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Publication number: 20160273480Abstract: Disclosed herein is an internal combustion engine includes a cylinder with a mid-stop shelf and a liner positioned within the cylinder. The liner includes a seat supported on the mid-stop shelf. Further, the liner defines a piston channel. The engine also includes a coolant conduit between the cylinder and the liner. The coolant conduit located above the mid-stop shelf and seat. Additionally, the engine includes a piston with a head portion and a skirt portion. The piston is movable within the piston channel between an upper-most position and a lowermost position. In the upper-most position, the skirt portion of the piston is positioned below the mid-stop shelf and seat.Type: ApplicationFiled: November 25, 2013Publication date: September 22, 2016Applicant: Cummins IP, Inc.Inventors: John Purcell, Aaron Quinton, Nathaniel P. Hassall, John C. Wall
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Publication number: 20150315994Abstract: An engine block assembly and method manufacturing an engine block assembly and related components. A casted engine block assembly includes a cylinder block portion. The cylinder block portion includes a plurality of cylinder block openings disposed therein, a cylinder block flange portion positioned at a top of the cylinder block portion and a cylinder block crankcase portion disposed at a base of the cylinder block. The cylinder block flange portion is configured for coupling the cylinder block to a cylinder head. The cylinder block portion includes a plurality of cylinder block walls extending between the cylinder block flange portion and the cylinder block crankcase portion and positioned about the plurality of cylinder block openings. The cylinder block walls house a plurality of internal channels. The plurality of cylinder block walls are void of enclosed openings extending through at least one of the cylinder block walls in the plurality of cylinder block walls.Type: ApplicationFiled: November 26, 2013Publication date: November 5, 2015Inventors: Aaron S. QUINTON, John Jerl Purcell, Nathaniel P. Hassall
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Publication number: 20150300221Abstract: An engine block, an engine sub-assembly, and method for providing and manufacturing an engine block. The engine block includes a plurality of cylinder barrels positioned in the engine block, at least one oil jacket channel formed in the engine block, and an oil inlet port positioned in a peripheral wall of the engine block and connected to the at least one oil jacket channel. The at least one oil jacket channel includes a plurality of curved channel sections. Each curved channel section in the plurality of curved channel sections extends about at least a portion of a circumferential portion of a respective cylinder barrel in the plurality of cylinder barrels. The at least one oil jacket channel extends between adjacent cylinder barrels of the plurality of cylinder barrels in the engine block.Type: ApplicationFiled: November 25, 2013Publication date: October 22, 2015Applicant: Cummins Inc.Inventors: Aaron S. Quinton, John Jerl Purcell, Nathaniel P. Hassall
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Publication number: 20150292389Abstract: An engine assembly and method of distributing coolant in an engine assembly. A cylinder block includes one or more pairs of cylinder block openings disposed therein. Each pair of cylinder block openings include two cylinder block openings, each configured to house a piston. A cylinder head in fluid communication with the one or more pairs of cylinder block openings. A coolant manifold includes coolant flow passages, each in fluid communication with a coolant flow inlet disposed in the cylinder block between the two cylinder block openings in each pair of cylinder block openings. Fluid from each coolant flow inlet diverges into two coolant flow passages, each extending about a peripheral portion of a respective cylinder block opening. Each coolant flow passage extends from the peripheral portion of the respective cylinder block opening into one or more outlets from the engine block and into the cylinder head.Type: ApplicationFiled: November 26, 2013Publication date: October 15, 2015Inventors: Mathew Clark, Nathaniel P. Hassall, John Jerl Purcell
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Patent number: D702260Type: GrantFiled: November 29, 2012Date of Patent: April 8, 2014Assignee: Cummins Inc.Inventors: Nathaniel P. Hassall, Aaron S. Quinton, John Jerl Purcell, III
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Patent number: D704740Type: GrantFiled: November 29, 2012Date of Patent: May 13, 2014Assignee: Cummins Inc.Inventors: Steven M. Bellinger, Jae Hee Lee, Richard D. Mason, Mathew A. Clark, Nathaniel P. Hassall
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Patent number: D736261Type: GrantFiled: November 29, 2012Date of Patent: August 11, 2015Assignee: Cummins Inc.Inventors: Steven M. Bellinger, Jae Hee Lee, Richard D. Mason, Mathew A. Clark, Nathaniel P. Hassall