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).
-
Patent number: 9512836Abstract: A high-pressure fuel pump for an internal combustion engine. The high-pressure fuel pump includes an improved configuration that beneficially simplifies certain features of the high-pressure fuel pump. The fuel pump possesses an inlet check valve positioned along an inlet fuel circuit and an outlet fuel circuit of the high-pressure pump that provides a path for a low-pressure inlet fuel flow to and a path for a high-pressure output fuel flow from a pumping chamber of the fuel pump. Because of the configuration of the inlet check valve and the outlet check valve, the complexity of high-pressure fuel pump is beneficially reduced, decreasing the cost of components and assembly and improving the life and reliability of high-pressure fuel pump.Type: GrantFiled: June 15, 2015Date of Patent: December 6, 2016Assignee: Cummins Inc.Inventors: Anthony A. Shaull, Wesley R. Thayer
-
Patent number: 9464631Abstract: A high-pressure fuel pump for an internal combustion engine. The high-pressure fuel pump includes an improved configuration that beneficially simplifies certain features of the high-pressure fuel pump. The fuel pump possesses an inlet check valve positioned along an inlet fuel circuit and an outlet fuel circuit of the high-pressure pump that provides a path for a low-pressure inlet fuel flow to and a path for a high-pressure output fuel flow from a pumping chamber of the fuel pump. Because of the configuration of the inlet check valve and the outlet check valve, the complexity of high-pressure fuel pump is beneficially reduced, decreasing the cost of components and assembly and improving the life and reliability of high-pressure fuel pump.Type: GrantFiled: January 8, 2013Date of Patent: October 11, 2016Assignee: CUMMINS INC.Inventors: Anthony A. Shaull, Wesley R. Thayer
-
Publication number: 20160138586Abstract: A fuel pump is disclosed wherein a substantially cylindrical plunger bore is provided with an annular drain groove fluidically coupled to a drain duct. A pump plunger is driven by a drive system located in a separate mechanical compartment that holds a reservoir of lubricating oil. An annular seal is provided adjacent the drain groove substantially at the end of the bore and retained in position by a seal support. Exemplary embodiments provide the drain groove and seal as being positioned immediately adjacent one another so that the seal forms a lower wall of the drain groove.Type: ApplicationFiled: October 5, 2015Publication date: May 19, 2016Inventors: John D. Crofts, Scott R. Simmons, Wesley R. Thayer, Bela Doszpoly, David M. Rix, Anthony A. Shaull, David L. Buchanan
-
Patent number: 9151289Abstract: A fuel pump is disclosed wherein a substantially cylindrical plunger bore is provided with an annular drain groove fluidically coupled to a drain duct. A pump plunger is driven by a drive system located in a separate mechanical compartment that holds a reservoir of lubricating oil. An annular seal is provided adjacent the drain groove substantially at the end of the bore and retained in position by a seal support. Exemplary embodiments provide the drain groove and seal as being positioned immediately adjacent one another so that the seal forms a lower wall of the drain groove.Type: GrantFiled: August 21, 2008Date of Patent: October 6, 2015Assignee: Cummins Inc.Inventors: John D. Crofts, Scott R. Simmons, Wesley R. Thayer, Bela Doszpoly, David M. Rix, Anthony A. Shaull, David L. Buchanan
-
Publication number: 20150275892Abstract: A high-pressure fuel pump for an internal combustion engine is described. The high-pressure fuel pump includes an improved configuration that beneficially simplifies certain features of the high-pressure fuel pump. More specifically, the disclosure provides for an inlet check valve positioned along an inlet fuel circuit and an outlet fuel circuit of the high-pressure pump that provides a path for a low-pressure inlet fuel flow to and a path for a high-pressure output fuel flow from a pumping chamber of the fuel pump. Because of the configuration of the inlet check valve and the outlet check valve, the complexity of high-pressure fuel pump is beneficially reduced, decreasing the cost of components and assembly and improving the life and reliability of high-pressure fuel pump.Type: ApplicationFiled: June 15, 2015Publication date: October 1, 2015Applicant: Cummins Inc.Inventors: Anthony A. SHAULL, Wesley R. THAYER
-
Patent number: 9086041Abstract: A fuel injector includes a piezoelectric actuation mechanism and a sensor configuration to measure the condition of the actuation mechanism as well as an associated fuel rail. The sensor configuration includes a piezoelectric sensor with an output signal with significantly reduced distortion that accurately reflects control signals provided to the piezoelectric actuation mechanism.Type: GrantFiled: January 19, 2012Date of Patent: July 21, 2015Assignee: CUMMINS INTELLECTUAL PROPERTY, INC.Inventors: Syed S. Jalal, Douglas W. Memering, Richard E. Reisinger, Edward B. Manring, Jesus Carmona-Valdes, Anthony A. Shaull, Shankar C. Venkataraman, William D. Daniel, Viktor K. Walter, Lawrence C. Melton
-
Patent number: 8863727Abstract: This disclosure provides a fuel injector system and method in which the timing of events in during period of fuel injection of a piezoelectric-actuated fuel injector are estimated based on sensed forces within the injector. The force sensor is positioned between a piezoelectric actuator and a hydraulic link assembly mechanically coupled with the piezoelectric actuator, and the force sensor operable to output a signal corresponding to forces between the piezoelectric actuator and the hydraulic link assembly. From information contained in the sensor output signal, timing in the injection period of at least one fueling characteristic based can be estimated to allow for adjusting fuel injector characteristics to compensate for variations affecting fuel injection, such as manufacturing tolerances, environmental conditions, and deterioration/wear.Type: GrantFiled: May 20, 2011Date of Patent: October 21, 2014Assignee: Cummins Intellectual Property, Inc.Inventors: Syed S. Jalal, Douglas W. Memering, Richard E. Reisinger, Edward Benjamin Manring, Jesus Carmona-Valdes, Anthony A. Shaull, Shankar Venkataraman, William David Daniel
-
Publication number: 20140193281Abstract: A high-pressure fuel pump for an internal combustion engine is described. The high-pressure fuel pump includes an improved configuration that beneficially simplifies certain features of the high-pressure fuel pump. More specifically, the disclosure provides for an inlet check valve positioned along an inlet fuel circuit and an outlet fuel circuit of the high-pressure pump that provides a path for a low-pressure inlet fuel flow to and a path for a high-pressure output fuel flow from a pumping chamber of the fuel pump. Because of the configuration of the inlet check valve and the outlet check valve, the complexity of high-pressure fuel pump is beneficially reduced, decreasing the cost of components and assembly and improving the life and reliability of high-pressure fuel pump.Type: ApplicationFiled: January 8, 2013Publication date: July 10, 2014Applicant: CUMMINS INC.Inventors: Anthony A. SHAULL, Wesley R. THAYER
-
Publication number: 20130026257Abstract: A fuel injector includes a piezoelectric actuation mechanism and a sensor configuration to measure the condition of the actuation mechanism as well as an associated fuel rail. The sensor configuration includes a piezoelectric sensor with an output signal with significantly reduced distortion that accurately reflects control signals provided to the piezoelectric actuation mechanism.Type: ApplicationFiled: January 19, 2012Publication date: January 31, 2013Applicant: CUMMINS INTELLECTUAL PROPERTY, INC.Inventors: Syed S. Jalal, Douglas W. Memering, Richard E. Reisinger, Edward B. Manring, Jesus Carmona-Valdes, Anthony A. Shaull, Shankar C. Venkataraman, William D. Daniel, Viktor K. Walter, Lawrence C. Melton
-
Patent number: 8308450Abstract: A high pressure fuel pump with parallel cooling fuel flow is disclosed wherein a fuel pump barrel having a substantially cylindrical plunger bore with an annular drain groove is provided. A first fuel path is provided that fluidically couples a fuel supply to an annular cooling ring formed on the outer surface of the barrel. The first fuel path further fluidically couples the annular cooling ring to a storage tank via an exit passage. A second, parallel fuel path is provided that fluidically couples the first fuel path to the drain groove, and further includes a drain passage fluidically coupled to the drain groove and the first fuel path via the storage tank.Type: GrantFiled: March 5, 2009Date of Patent: November 13, 2012Assignee: Cummins Intellectual Properties, Inc.Inventors: Anthony A. Shaull, David L. Buchanan
-
Publication number: 20120048239Abstract: This disclosure provides a fuel injector system and method in which the timing of events in during period of fuel injection of a piezoelectric-actuated fuel injector are estimated based on sensed forces within the injector. The force sensor is positioned between a piezoelectric actuator and a hydraulic link assembly mechanically coupled with the piezoelectric actuator, and the force sensor operable to output a signal corresponding to forces between the piezoelectric actuator and the hydraulic link assembly. From information contained in the sensor output signal, timing in the injection period of at least one fueling characteristic based can be estimated to allow for adjusting fuel injector characteristics to compensate for variations affecting fuel injection, such as manufacturing tolerances, environmental conditions, and deterioration/wear.Type: ApplicationFiled: May 20, 2011Publication date: March 1, 2012Applicant: CUMMINS INTELLECTUAL PROPERTY, INC.Inventors: Syed S. JALAL, Douglas W. MEMERING, Richard E. REISINGER, Edward Benjamin MANRING, Jesus CARMONA-VALDES, Anthony A. SHAULL, Shankar VENKATARAMAN, William David DANIEL
-
Publication number: 20120012681Abstract: A closed nozzle injector for injecting fuel at high pressure into the combustion chamber of an engine, is provided including a lower supply chamber positioned in the nozzle housing, an injector plunger including a lower guide sized to form a close sliding fit with a nozzle housing to guide the plunger during reciprocal movement, and a plurality of restriction orifices formed in the injector plunger and positioned about the injector plunger to restrict fuel flow from an upper supply chamber to the lower supply chamber. The lower guide is positioned axially between the lower supply chamber and the injection orifices.Type: ApplicationFiled: July 15, 2011Publication date: January 19, 2012Applicant: CUMMINS INTELLECTUAL PROPERTIES, INC.Inventors: Lester L. PETERS, Vesa HOKKANEN, Corydon E. MORRIS, Marian TROCKI, Anthony A. SHAULL, Jeff HUANG
-
Publication number: 20110052427Abstract: A high pressure pumping apparatus for of an internal combustion engine includes a pump barrel having a bore with a central axis, and a two-part pumping plunger provided in the bore of the barrel. The two-part plunger includes first and second pumping plunger parts that are separate from one another and arranged substantially coaxial with the central axis of the barrel's bore. A first distal end portion of the first pumping plunger part abuts a first distal end portion of the second pumping plunger part, and a second distal end portion of the first pumping plunger part in part defines a pumping chamber. The high pressure pumping apparatus includes and a tappet assembly that is operably coupled to the second distal end portion of the second pumping plunger part for operably engaging a rotating camshaft, which causes the first and second plunger parts to move in reciprocal motion.Type: ApplicationFiled: September 2, 2009Publication date: March 3, 2011Applicant: CUMMINS INTELLECTUAL PROPERTIES, INC.Inventors: Anthony A. SHAULL, David L. BUCHANAN, Lester L. PETERS
-
Publication number: 20100226795Abstract: A high pressure fuel pump with parallel cooling fuel flow is disclosed wherein a fuel pump barrel having a substantially cylindrical plunger bore with an annular drain groove is provided. A first fuel path is provided that fluidically couples a fuel supply to an annular cooling ring formed on the outer surface of the barrel. The first fuel path further fluidically couples the annular cooling ring to a storage tank via an exit passage. A second, parallel fuel path is provided that fluidically couples the first fuel path to the drain groove, and further includes a drain passage fluidically coupled to the drain groove and the first fuel path via the storage tank.Type: ApplicationFiled: March 5, 2009Publication date: September 9, 2010Applicant: CUMMINS INTELLECTUAL PROPERTIES, INC.Inventors: Anthony A. SHAULL, David L. BUCHANAN
-
Publication number: 20100043760Abstract: A fuel pump is disclosed wherein a substantially cylindrical plunger bore is provided with an annular drain groove fluidically coupled to a drain duct. A pump plunger is driven by a drive system located in a separate mechanical compartment that holds a reservoir of lubricating oil. An annular seal is provided adjacent the drain groove substantially at the end of the bore and retained in position by a seal support. Exemplary embodiments provide the drain groove and seal as being positioned immediately adjacent one another so that the seal forms a lower wall of the drain groove.Type: ApplicationFiled: August 21, 2008Publication date: February 25, 2010Applicant: CUMMINS INC.Inventors: John D. Crofts, Scott Simmons, Wesley R. Thayer, Bela Doszpoly, Dave M. Rix, Anthony A. Shaull, David L. Buchanan
-
Patent number: 7311087Abstract: A fuel pump for an internal combustion engine including a fuel pump housing, a cylindrical bore having a central axis and being defined by a bore wall surface, a receiving hole formed in the housing, and a tappet assembly received in the cylinder bore. The tappet assembly includes an outer peripheral surface with an elongated key slot longitudinally extending parallel to the central axis. A guide key partially received in the receiving hole is provided, the guide key including a head that extends into the cylindrical bore to engage the elongated key slot of the tappet assembly. The head has an outer dimension that is larger than a dimension of the receiving hole along the central axis. Methods for guiding a reciprocating tappet assembly in a fuel pump and assembling a fuel pump are also provided.Type: GrantFiled: November 23, 2004Date of Patent: December 25, 2007Assignee: Cummins Inc.Inventors: Anthony A. Shaull, Wesley R. Thayer
-
Patent number: 7278400Abstract: A juncture and method for changing direction of fuel flow in a high pressure fuel injection system such as a common rail and/or a fuel pump, the juncture comprising a body, a first passage formed in the body having a first diameter and a longitudinal axis extending therethrough, the first passage including a groove positioned along a portion of the longitudinal axis, and a second passage formed in the body having a second diameter, a central axis extending therethrough, and an opening, the opening of the second passage being provided in the groove of the first passage to allow fluidic communication between the second passage and the first passage so that stresses at the juncture caused by high pressure fuel changing direction of flow is reduced. The juncture is made from a bottom poured ingot cast alloy steel.Type: GrantFiled: December 8, 2005Date of Patent: October 9, 2007Assignee: Cummins Inc.Inventors: James E Denton, Anthony A Shaull, Scott R Simmons, Matthew B State, Todd M Wieland, Steven E Ferdon
-
Publication number: 20060236977Abstract: A juncture and method for changing direction of fuel flow in a high pressure fuel injection system such as a common rail and/or a fuel pump, the juncture comprising a body, a first passage formed in the body having a first diameter and a longitudinal axis extending therethrough, the first passage including a groove positioned along a portion of the longitudinal axis, and a second passage formed in the body having a second diameter, a central axis extending therethrough, and an opening, the opening of the second passage being provided in the groove of the first passage to allow fluidic communication between the second passage and the first passage so that stresses at the juncture caused by high pressure fuel changing direction of flow is reduced. The juncture is made from a bottom poured ingot cast alloy steel.Type: ApplicationFiled: December 8, 2005Publication date: October 26, 2006Inventors: James Denton, Anthony Shaull, Scott Simmons, Matthew State, Todd Wieland, Steven Ferdon
-
Publication number: 20060110273Abstract: A fuel pump for an internal combustion engine including a fuel pump housing, a cylindrical bore having a central axis and being defined by a bore wall surface, a receiving hole formed in the housing, and a tappet assembly received in the cylinder bore. The tappet assembly includes an outer peripheral surface with an elongated key slot longitudinally extending parallel to the central axis. A guide key partially received in the receiving hole is provided, the guide key including a head that extends into the cylindrical bore to engage the elongated key slot of the tappet assembly. The head has an outer dimension that is larger than a dimension of the receiving hole along the central axis. Methods for guiding a reciprocating tappet assembly in a fuel pump and assembling a fuel pump are also provided.Type: ApplicationFiled: November 23, 2004Publication date: May 25, 2006Inventors: Anthony Shaull, Wesley Thayer
-
Patent number: 7021291Abstract: A juncture and method for changing direction of fuel flow in a high pressure fuel injection system such as a common rail and/or a fuel pump, the juncture comprising a body, a first passage formed in the body having a first diameter and a longitudinal axis extending therethrough, the first passage including a groove positioned along a portion of the longitudinal axis, and a second passage formed in the body having a second diameter, a central axis extending therethrough, and an opening, the opening of the second passage being provided in the groove of the first passage to allow fluidic communication between the second passage and the first passage so that stresses at the juncture caused by high pressure fuel changing direction of flow is reduced.Type: GrantFiled: December 24, 2003Date of Patent: April 4, 2006Assignee: Cummins Inc.Inventors: James E. Denton, Anthony A. Shaull, Scott R. Simmons, Matthew B. State, Todd M. Wieland