Patents by Inventor Anthony Shaull
Anthony Shaull 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: 20230358197Abstract: A fuel injector nozzle comprising at least two sets of injector orifices, each set of injector orifices including a first injector orifice and a second injector orifice, wherein the first injector orifice is parallel to the second injector orifice, and each set of injector orifices is angled relative to at least one other set of injector orifices.Type: ApplicationFiled: April 26, 2023Publication date: November 9, 2023Inventors: Anthony A. Shaull, Florin Mocanu, Eric M. Osecky, Rajesh K. Garg
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Patent number: 11624359Abstract: A pumping element comprises a first flow chamber; a second flow chamber in fluid connection with the first flow chamber, the second flow chamber including a shoulder; a check valve including a first insert and a second insert, the first insert being movable between a first position wherein the first insert forms a seal that inhibits fluid flow between the first and second flow chambers and a second position wherein the first insert permits fluid flow between the first and second flow chambers, the second insert being inserted into the second flow chamber to an extent limited by the shoulder; and a spring having a first end engaging the first insert and a second end engaging the second insert; wherein the first insert moves from the first position to the second position against a biasing force of the spring in response to pressurized fluid in the first flow chamber.Type: GrantFiled: September 22, 2021Date of Patent: April 11, 2023Assignee: Cummins Inc.Inventors: Anthony A. Shaull, Tamas Rauznitz, Brian M. Watson, Patrick D. Chasteen, Luke Allen Jones
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Patent number: 11421637Abstract: The present disclosure generally relates to a pumping element of a fuel pump for an internal combustion engine wherein the pumping element comprises a pumping chamber and a check valve assembly having a first insert including an angled passage in flow communication with a fuel outlet, and a second insert being disposed adjacent the pumping chamber, the second insert including a central bore in flow communication with a fuel inlet, a plurality of through holes in flow communication with the pumping chamber.Type: GrantFiled: December 15, 2015Date of Patent: August 23, 2022Assignee: CUMMINS INC.Inventors: Anthony A. Shaull, Tunji Adejumo, Luke Allen Jones, Yip Kwok, John D. Lane, David M. Rix, Wesley R. Thayer
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Publication number: 20220003231Abstract: The present disclosure generally relates to a pumping element of a fuel pump for an internal combustion engine wherein the pumping element comprises a first flow chamber; a second flow chamber in fluid connection with the first flow chamber, the second flow chamber including a shoulder; a check valve including a first insert and a second insert, the first insert being movable between a first position wherein the first insert forms a seal that inhibits fluid flow between the first and second flow chambers and a second position wherein the first insert permits fluid flow between the first and second flow chambers, the second insert being inserted into the second flow chamber to an extent limited by the shoulder; and a spring having a first end engaging the first insert and a second end engaging the second insert; wherein the first insert moves from the first position to the second position against a biasing force of the spring in response to pressurized fluid in the first flow chamber.Type: ApplicationFiled: September 22, 2021Publication date: January 6, 2022Inventors: Anthony A. Shaull, Tamas Rauznitz, Brian M. Watson, Patrick D. Chasteen, Luke Allen Jones
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Patent number: 11149727Abstract: The present disclosure generally relates to a pumping element of a fuel pump for an internal combustion engine wherein the pumping element comprises a first flow chamber; a second flow chamber in fluid connection with the first flow chamber, the second flow chamber including a shoulder; a check valve including a first insert and a second insert, the first insert being movable between a first position wherein the first insert forms a seal that inhibits fluid flow between the first and second flow chambers and a second position wherein the first insert permits fluid flow between the first and second flow chambers, the second insert being inserted into the second flow chamber to an extent limited by the shoulder; and a spring having a first end engaging the first insert and a second end engaging the second insert; wherein the first insert moves from the first position to the second position against a biasing force of the spring in response to pressurized fluid in the first flow chamber.Type: GrantFiled: May 15, 2015Date of Patent: October 19, 2021Assignee: Cummins Inc.Inventors: Anthony A. Shaull, Tamas Rauznitz, Brian M. Watson, Patrick D. Chasteen, Luke Allen Jones
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Patent number: 11028810Abstract: An injector is provided, comprising an injector body comprising an inlet passage configured to receive fluid, at least one injection outlet configured to deliver fluid, and a central bore, a needle valve disposed for reciprocal movement within the central bore between a closed position and an opened position; and an actuator configured to move the needle valve between the closed position wherein a first portion of a surface of the valve tip engages a first portion of a surface of the injector body to form a first seal that inhibits flow through the at least one injection outlet, and the opened position wherein a second portion of the surface of the valve tip engages a second portion of the surface of the injector body to form a second seal that inhibits flow through the drain outlet.Type: GrantFiled: November 22, 2017Date of Patent: June 8, 2021Assignee: Cummins, Inc.Inventors: Richard D. Thomas, Lester L. Peters, Anthony A. Shaull
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Patent number: 10927739Abstract: An injector includes a needle and a body. The needle is configured to receive fluid from a fluid supply and operable between a first position, in which the fluid is not provided to a target, and a second position, in which the fluid is provided to the target. The needle includes a first needle bore, a second needle bore, and a first connector. The first needle bore is configured to receive fluid from the fluid supply. The second needle bore is aligned with the first needle bore and configured to provide fluid to the fluid supply. The first connector is in fluid communication with the second needle bore. The body includes an end, a first body bore, and a second body bore. The first body bore is configured to receive the needle. The second body bore is positioned to be contiguous with the end.Type: GrantFiled: December 19, 2017Date of Patent: February 23, 2021Assignee: Cummins Emission Solutions Inc.Inventors: Anthony A. Shaull, Bradlee J. Stroia, Stephen M. Holl, Richard Davis Thomas, Michael Hays
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Patent number: 10920727Abstract: A fluid injector assembly extending along a longitudinal axis comprising a housing, and an injector positioned within the housing, the injector comprising a injector body having an interior cavity, a plunger positioned within the interior cavity and comprising a plunger body, a fluid delivery passage along at least a portion of the plunger body, and a plunger tip positioned at a downstream end of the plunger body, the fluid delivery passage comprising a longitudinal passage and at least one internal swirl passage, and the internal swirl passage being angled relative to the longitudinal axis and extending from the longitudinal passage to an opening upstream of the plunger tip, and a nozzle positioned at a downstream end of the injector body and including at least one nozzle passage, fluid being delivered from an upstream end of the injector to the at least one nozzle passage through the fluid delivery passage.Type: GrantFiled: May 16, 2016Date of Patent: February 16, 2021Assignee: Cummins Inc.Inventors: Anthony Shaull, David L. Buchanan, Lester L. Peters, Bradlee J. Stroia, William D. Daniel
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Publication number: 20200217286Abstract: An injector is provided, comprising an injector body comprising an inlet passage configured to receive fluid, at least one injection outlet configured to deliver fluid, and a central bore, a needle valve disposed for reciprocal movement within the central bore between a closed position and an opened position; and an actuator configured to move the needle valve between the closed position wherein a first portion of a surface of the valve tip engages a first portion of a surface of the injector body to form a first seal that inhibits flow through the at least one injection outlet, and the opened position wherein a second portion of the surface of the valve tip engages a second portion of the surface of the injector body to form a second seal that inhibits flow through the drain outlet.Type: ApplicationFiled: November 22, 2017Publication date: July 9, 2020Inventors: Richard D. Thomas, Lester L. Peters, Anthony A. Shaull
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Patent number: 10677119Abstract: Systems and methods including spacers comprising a first face configured to engage with a cam shaft, a second face, and a third face operationally coupled to the first face and the second face, wherein the third face is configured to displace a lubricating fluid and permit rotation of the cam shaft are disclosed.Type: GrantFiled: March 1, 2016Date of Patent: June 9, 2020Assignee: Cummins Inc.Inventors: Anthony A. Shaull, Rodney J. Hemmerlein, Richard Davis Thomas
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Patent number: 10519911Abstract: A fuel pump for an internal combustion engine is provided comprising a barrel including a central bore having a longitudinal axis, a plunger disposed partially in the central bore and movable along the longitudinal axis, a spring retainer, a first coil spring having a proximal end in contact with a first section of the barrel and a distal end in contact with the spring retainer to urge the spring retainer into engagement with a tappet assembly, an extender element coupled to the plunger, and a second coil spring having a proximal end in contact with a second section of the barrel and a distal end in contact with the extender element to urge the plunger toward the spring retainer, wherein the extender element includes a counter-bore to couple the extender element to the plunger.Type: GrantFiled: May 14, 2015Date of Patent: December 31, 2019Assignee: Cummins Inc.Inventors: Anthony A. Shaull, Lester L. Peters, Brian M. Watson, Roberto M. Munoz
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Patent number: 10487785Abstract: A system for preventing rotation of a tappet includes a tappet having an outer casing and a central axis which is configured to reciprocate linearly along the central axis. The outer casing includes a flat portion having a length along the central axis and having a width. Additionally, the system includes a lock bar fixed in position relative to the linear oscillation of the outer casing. The lock bar is positioned in proximity to the flat portion of the outer casing. Upon rotation of the outer casing about the central axis, the lock bar is configured to come into contact with the cuter casing and inhibit additional rotation of the outer casing.Type: GrantFiled: March 31, 2016Date of Patent: November 26, 2019Assignee: Cummins Inc.Inventor: Anthony A. Shaull
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Publication number: 20190293039Abstract: A fluid injector assembly extending along a longitudinal axis comprising a housing, and an injector positioned within the housing, the injector comprising a injector body having an interior cavity, a plunger positioned within the interior cavity and comprising a plunger body, a fluid delivery passage along at least a portion of the plunger body, and a plunger tip positioned at a downstream end of the plunger body, the fluid delivery passage comprising a longitudinal passage and at least one internal swirl passage, and the internal swirl passage being angled relative to the longitudinal axis and extending from the longitudinal passage to an opening upstream of the plunger tip, and a nozzle positioned at a downstream end of the injector body and including at least one nozzle passage, fluid being delivered from an upstream end of the injector to the at least one nozzle passage through the fluid delivery passage.Type: ApplicationFiled: May 16, 2016Publication date: September 26, 2019Inventors: Anthony Shaull, David L. Buchanan, Lester L. Peters, Bradlee J. Stroia, William D. Daniel
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Publication number: 20180180007Abstract: The present disclosure generally relates to a pumping element of a fuel pump for an internal combustion engine wherein the pumping element comprises a first flow chamber; a second flow chamber in fluid connection with the first flow chamber, the second flow chamber including a shoulder; a check valve including a first insert and a second insert, the first insert being movable between a first position wherein the first insert forms a seal that inhibits fluid flow between the first and second flow chambers and a second position wherein the first insert permits fluid flow between the first and second flow chambers, the second insert being inserted into the second flow chamber to an extent limited by the shoulder; and a spring having a first end engaging the first insert and a second end engaging the second insert; wherein the first insert moves from the first position to the second position against a biasing force of the spring in response to pressurized fluid in the first flow chamber.Type: ApplicationFiled: May 15, 2015Publication date: June 28, 2018Applicant: CUMMINS INC.Inventors: Anthony A. Shaull, Tamas Rauznitz, Brian M. Watson, Patrick D. Chasteen, Luke Allen Jones
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Publication number: 20180179938Abstract: An injector includes a needle and a body. The needle is configured to receive fluid from a fluid supply and operable between a first position, in which the fluid is not provided to a target, and a second position, in which the fluid is provided to the target. The needle includes a first needle bore, a second needle bore, and a first connector. The first needle bore is configured to receive fluid from the fluid supply. The second needle bore is aligned with the first needle bore and configured to provide fluid to the fluid supply. The first connector is in fluid communication with the second needle bore. The body includes an end, a first body bore, and a second body bore. The first body bore is configured to receive the needle. The second body bore is positioned to be contiguous with the end.Type: ApplicationFiled: December 19, 2017Publication date: June 28, 2018Applicant: Cummins Emission Solutions Inc.Inventors: Anthony A. Shaull, Bradlee J. Stroia, Stephen M. Holl, Richard Davis Thomas, Michael Hays
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Publication number: 20180171949Abstract: A fuel pump for an internal combustion engine is provided comprising a barrel including a central bore having a longitudinal axis, a plunger disposed partially in the central bore and movable along the longitudinal axis, a spring retainer, a first coil spring having a proximal end in contact with a first section of the barrel and a distal end in contact with the spring retainer to urge the spring retainer into engagement with a tappet assembly, an extender element coupled to the plunger, and a second coil spring having a proximal end in contact with a second section of the barrel and a distal end in contact with the extender element to urge the plunger toward the spring retainer, wherein the extender element includes a counter-bore to couple the extender element to the plunger.Type: ApplicationFiled: May 14, 2015Publication date: June 21, 2018Applicant: CUMMINS INC.Inventors: Anthony A. Shaull, Lester L. Peters, Brian M. Watson, Roberto M. Munoz
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Publication number: 20180156175Abstract: The present disclosure generally relates to a pumping element of a fuel pump for an internal combustion engine wherein the pumping element comprises a pumping chamber and a check valve assembly having a first insert including a passage in flow communication with a fuel outlet, and a second insert being disposed adjacent the pumping chamber, the second insert including a bore in flow communication with a fuel inlet, a plurality of through holes in flow communication with the pumping chamber, and an inlet check valve plunger disposed in the bore for movement between an opened position wherein inlet fuel from the fuel inlet flows past the inlet check valve plunger through the plurality of through holes to the pumping chamber and a closed position wherein outlet fuel from the pumping chamber flows through the plurality of through holes past the inlet check valve plunger to the passage of the first insert.Type: ApplicationFiled: December 15, 2015Publication date: June 7, 2018Applicant: CUMMINS INC.Inventors: Anthony A. Shaull, Tunji Adejumo, Luke Allen Jones, Yip Kwok, John D. Lane, David M. Rix, Wesley R. Thayer
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Publication number: 20180135578Abstract: A system for preventing rotation of a tappet includes a tappet having an outer casing and a central axis which is configured to reciprocate linearly along the central axis. The outer casing includes a flat portion having a length along the central axis and having a width. Additionally, the system includes a lock bar fixed in position relative to the linear oscillation of the outer casing. The lock bar is positioned in proximity to the flat portion of the outer casing. Upon rotation of the outer casing about the central axis, the lock bar is configured to come into contact with the cuter casing and inhibit additional rotation of the outer casing.Type: ApplicationFiled: March 31, 2016Publication date: May 17, 2018Inventor: Anthony A. Shaull
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Publication number: 20170298887Abstract: Fueling systems and methods are disclosed. Various fueling systems may comprise a single fuel pump configured to supply fuel to a first fuel rail at a first fuel pressure along a first fuel circuit and configured to supply fuel to a second fuel rail at a second fuel pressure along a second fuel circuit, wherein the first fuel rail and second fuel rail are arranged in parallel, and the first fuel circuit is independent of the second fuel circuit.Type: ApplicationFiled: April 13, 2016Publication date: October 19, 2017Inventors: Lester L. Peters, Bradlee J. Stroia, Anthony Shaull, Rodney J. Hemmerlein, Richard Davis Thomas
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Publication number: 20170254237Abstract: Systems and methods including spacers comprising a first face configured to engage with a cam shaft, a second face, and a third face operationally coupled to the first face and the second face, wherein the third face is configured to displace a lubricating fluid and permit rotation of the cam shaft are disclosed.Type: ApplicationFiled: March 1, 2016Publication date: September 7, 2017Inventors: Anthony Shaull, Rodney J. Hemmerlein, Richard Davis Thomas