Patents by Inventor Thomas J. Stoltz
Thomas J. Stoltz 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: 11938825Abstract: An example system includes a vehicle having a prime mover motively coupled to a drive line; a motor/generator selectively coupled to the drive line, and configured to selectively modulate power transfer between an electrical load and the drive line; a battery pack; a DC/DC converter electrically interposed between the motor/generator and the electrical load, and between the battery pack and the electrical load, the DC/DC converter comprising a DC/DC converter housing; and a covering tray positioned over a plurality of batteries of the battery pack, the covering tray comprising a connectivity layer configured to provide electrical connectivity to terminals of the plurality of batteries.Type: GrantFiled: December 17, 2021Date of Patent: March 26, 2024Assignee: EATON INTELLIGENT POWER LIMITEDInventors: Nihal Sukhatankar, Mahesh Prabhakar Joshi, Shivaprasad Vithal Goud, Thomas Joseph Stoltz, Matthew Richard Busdiecker, Kaylah J. Berndt, Glenn Clark Fortune, Sarah Elizabeth Behringer, Mark Steven George, Dennis Dukaric, Thomas Alan Genise, Gary Baker, Tissaphern Mirfakhrai, Elizabeth Jane Mercer, Viken Rafi Yeranosian, Lesley Earl Candler, Nicole Downing, Lalit Murlidhar Patil, Suyog Shekhar Kulkarni, Sunil Kumar Kunche, Rishabh Kumar Jain, Juan Chen
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Patent number: 11938789Abstract: A transmission system selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes a transmission, a motor generator an HVAC compressor and a controller. The transmission has an input shaft, a mainshaft, an output shaft and a countershaft offset from the input shaft. The countershaft is drivably connected to the first input shaft and a mainshaft. The motor generator is selectively couple to the countershaft. The HVAC compressor is selectively driven by the motor generator. The controller operates the transmission system in various modes based on operating conditions.Type: GrantFiled: August 26, 2021Date of Patent: March 26, 2024Assignee: EATON INTELLIGENT POWER LIMITEDInventor: Thomas J. Stoltz
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Publication number: 20220153091Abstract: A transmission system selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes a transmission, a motor generator an HVAC compressor and a controller. The transmission has an input shaft, a mainshaft, an output shaft and a countershaft offset from the input shaft. The countershaft is drivably connected to the first input shaft and a mainshaft. The motor generator is selectively couple to the countershaft. The HVAC compressor is selectively driven by the motor generator. The controller operates the transmission system in various modes based on operating conditions.Type: ApplicationFiled: August 26, 2021Publication date: May 19, 2022Inventor: Thomas J. Stoltz
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Patent number: 11149822Abstract: A transmission selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes an input shaft, a mainshaft, an output shaft, a first countershaft and a second countershaft. A first gear set includes a first mainshaft gear arranged on the mainshaft, a first countershaft gear arranged on the first countershaft and a first countershaft gear arranged on the second countershaft. A second gear set includes a second mainshaft gear arranged on the mainshaft, a first countershaft gear arranged on the second countershaft and a second countershaft gear arranged on the second countershaft. The gears of the first gear set all have a first helix angle. The gears of the second gear set all have a second helix angle. The first and second helix angles are selected to provide gear constant leading whereby thrust forces directed onto the first and second countershafts are balanced.Type: GrantFiled: October 3, 2018Date of Patent: October 19, 2021Assignee: Eaton Cummins Automated Transmission Technologies LLCInventors: Christian Chimner, Thomas J. Stoltz
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Patent number: 11130388Abstract: A transmission system selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes a transmission, a motor generator an HVAC compressor and a controller. The transmission has an input shaft, a mainshaft, an output shaft and a countershaft offset from the input shaft. The countershaft is drivably connected to the first input shaft and a mainshaft. The motor generator is selectively couple to the countershaft. The HVAC compressor is selectively driven by the motor generator. The controller operates the transmission system in various modes based on operating conditions.Type: GrantFiled: May 1, 2019Date of Patent: September 28, 2021Assignee: Eaton Intelligent Power LimitedInventor: Thomas J. Stoltz
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Patent number: 10696151Abstract: A transmission system selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes a transmission, a motor generator, a master clutch and a controller. The transmission includes an input shaft, a mainshaft, an output shaft and a countershaft offset from the input shaft. The countershaft is drivably connected to the first input shaft and the mainshaft. The motor generator is selectively coupled to the countershaft. The master clutch includes a driving portion connected to the engine crankshaft and a driven portion coupled to the transmission input shaft and adapted to frictionally engage the driving portion between open and closed positions. The controller selectively operates the transmission system in a first operating mode that includes defueling the engine while the vehicle is moving based on vehicle operating conditions and routes rotational energy from the output shaft, through the countershaft and into the motor generator.Type: GrantFiled: May 3, 2018Date of Patent: June 30, 2020Assignee: Eaton CorporationInventor: Thomas J. Stoltz
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Publication number: 20190256077Abstract: A transmission system selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes a transmission, a motor generator an HVAC compressor and a controller. The transmission has an input shaft, a mainshaft, an output shaft and a countershaft offset from the input shaft. The countershaft is drivably connected to the first input shaft and a mainshaft. The motor generator is selectively couple to the countershaft. The HVAC compressor is selectively driven by the motor generator. The controller operates the transmission system in various modes based on operating conditions.Type: ApplicationFiled: May 1, 2019Publication date: August 22, 2019Applicant: Eaton Intelligent Power LimitedInventor: Thomas J. Stoltz
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Publication number: 20190032753Abstract: A transmission selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes an input shaft, a mainshaft, an output shaft, a first countershaft and a second countershaft. A first gear set includes a first mainshaft gear arranged on the mainshaft, a first countershaft gear arranged on the first countershaft and a first countershaft gear arranged on the second countershaft. A second gear set includes a second mainshaft gear arranged on the mainshaft, a first countershaft gear arranged on the second countershaft and a second countershaft gear arranged on the second countershaft. The gears of the first gear set all have a first helix angle. The gears of the second gear set all have a second helix angle. The first and second helix angles are selected to provide gear constant leading whereby thrust forces directed onto the first and second countershafts are balanced.Type: ApplicationFiled: October 3, 2018Publication date: January 31, 2019Applicant: Eaton CorporationInventors: Christian Chimner, Thomas J. Stoltz
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Publication number: 20180251019Abstract: A transmission system selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes a transmission, a motor generator, a master clutch and a controller. The transmission includes an input shaft, a mainshaft, an output shaft and a countershaft offset from the input shaft. The countershaft is drivably connected to the first input shaft and the mainshaft. The motor generator is selectively coupled to the countershaft. The master clutch includes a driving portion connected to the engine crankshaft and a driven portion coupled to the transmission input shaft and adapted to frictionally engage the driving portion between open and closed positions. The controller selectively operates the transmission system in a first operating mode that includes defueling the engine while the vehicle is moving based on vehicle operating conditions and routes rotational energy from the output shaft, through the countershaft and into the motor generator.Type: ApplicationFiled: May 3, 2018Publication date: September 6, 2018Applicant: Eaton CorporationInventor: Thomas J. Stoltz
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Patent number: 9998108Abstract: A drive circuit may include a SUPPLY that outputs a first voltage potential, an energy storage device that outputs a second voltage potential, and a LOAD. Switches control the flow of current through the LOAD in a flow direction or in a direction opposite to the flow direction. The first or second voltage potentials can produce current.Type: GrantFiled: December 24, 2008Date of Patent: June 12, 2018Assignee: Eaton Intelligent Power LimitedInventor: Thomas J. Stoltz
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Patent number: 9435438Abstract: A valve is provided including a first valve member and a second valve member. The first valve member includes a first step and a first orifice adjacent the first step. The second valve member includes a second step and a second orifice adjacent the second step. The second valve member is movable relative to the first valve member between an open position, in which the first orifice is fluidly connected the second orifice, and a closed position, in which the first orifice is substantially fluidly disconnected from the second orifice. The first and second steps are fluidly connected to the second orifice and substantially fluidly disconnected from the first orifice when the second valve member is in the closed position, and the first and second steps are fluidly connected to the first and second orifices when the second valve member is in the open position.Type: GrantFiled: May 22, 2013Date of Patent: September 6, 2016Assignee: Eaton CorporationInventors: Dale A. Stretch, Jeffrey C. Thompson, Mahesh Joshi, Shrikant Basurtekar, Jerry L. Carlson, Aaron H. Jagoda, Jayakumar Ravathur, Otto Schultheis, G. Clark Fortune, Paul Brenner, Thomas J. Stoltz
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Patent number: 9097268Abstract: An exemplary hydraulic system includes a plurality of digital valves, each valve fluidly connectable to a corresponding hydraulic load. The digitals valves are operable to fluidly connect the corresponding hydraulic load to a pressure source. The hydraulic system further includes a digital controller operably connected to the plurality of digital valves. The digital controller is configured to assign a priority level so that it is associated with each of a plurality of hydraulic loads, and to formulate a pulse width modulated control signal based on the assigned priority levels. The digital controller transmits the control signal to the plurality of digital valves for controlling the operation of the valves.Type: GrantFiled: July 1, 2013Date of Patent: August 4, 2015Assignee: Eaton CorporationInventors: Duqiang Wu, G. Clark Fortune, Paul Brenner, Aaron H. Jagoda, John Ryan Kess, Thomas J. Stoltz, Benjamin Morris
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Patent number: 8678033Abstract: Disclosed is an exemplary valve having a first valve member that may include at least one orifice, and which is moveable between a first position and a second position, and a second valve member that includes at least one orifice, and which is moveable relative to the first valve member between a first position, in which the at least one orifice of the second valve member is fluidly disconnected from the at least one orifice of the first valve member, and a second position, in which the at least one orifice of the second valve member is fluidly connected to the at least one orifice of the first valve member. The exemplary valve may also include first and second actuators for moving the first and second valve members between their respective first and second positions.Type: GrantFiled: March 24, 2010Date of Patent: March 25, 2014Assignee: Eaton CorporationInventors: Sorin C. Bengea, G. Clark Fortune, Thomas J. Stoltz, Benjamin Saltsman, Mihai Dorobantu, Subbaraya Radhamohan, Qinghui Yuan
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Publication number: 20130291714Abstract: An exemplary hydraulic system includes a plurality of digital valves, each valve fluidly connectable to a corresponding hydraulic load. The digitals valves are operable to fluidly connect the corresponding hydraulic load to a pressure source. The hydraulic system further includes a digital controller operably connected to the plurality of digital valves. The digital controller is configured to assign a priority level so that it is associated with each of a plurality of hydraulic loads, and to formulate a pulse width modulated control signal based on the assigned priority levels. The digital controller transmits the control signal to the plurality of digital valves for controlling the operation of the valves.Type: ApplicationFiled: July 1, 2013Publication date: November 7, 2013Inventors: Duqiang Wu, G. Clark Fortune, Paul Brenner, Aaron H. Jagoda, John Ryan Kess, Thomas J. Stoltz, Benjamin Morris
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Publication number: 20130276921Abstract: A valve is provided including a first valve member and a second valve member. The first valve member includes a first step and a first orifice adjacent the first step. The second valve member includes a second step and a second orifice adjacent the second step. The second valve member is movable relative to the first valve member between an open position, in which the first orifice is fluidly connected the second orifice, and a closed position, in which the first orifice is substantially fluidly disconnected from the second orifice. The first and second steps are fluidly connected to the second orifice and substantially fluidly disconnected from the first orifice when the second valve member is in the closed position, and the first and second steps are fluidly connected to the first and second orifices when the second valve member is in the open position.Type: ApplicationFiled: May 22, 2013Publication date: October 24, 2013Inventors: Dale A. Stretch, Jeffrey C. Thompson, Mahesh Joshi, Shrikant Basurtekar, Jerry L. Carlson, Aaron H. Jagoda, Jayakumar Ravathur, Otto Schultheis, G. Clark Fortune, Paul Brenner, Thomas J. Stoltz
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Patent number: 8511079Abstract: In one embodiment, a hydraulic circuit has an input shaft, at least one positive displacement hydraulic pump, a plurality of positive displacement hydraulic motors, and at least one fluid line operatively connecting the at least one positive displacement hydraulic pump to the positive displacement hydraulic motors. In operation, the at least one positive displacement hydraulic pump is placed in an operative condition. At least one of the positive displacement hydraulic motors is also placed in an operative condition. A flow rate of fluid in the fluid line is measured, and the remaining positive displacement hydraulic motors are switched between an operative condition and a bypass condition according to the measured flow rate of the fluid.Type: GrantFiled: December 16, 2009Date of Patent: August 20, 2013Assignee: Eaton CorporationInventors: Thomas J. Stoltz, G. Clark Fortune, Mihai Dorobantu
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Patent number: 8505291Abstract: An exemplary hydraulic system includes a digital valve operable to fluidly connect a hydraulic load to a pressure supply, and an orifice disposed in a flow path between the hydraulic load and the digital valve. A digital controller is operably connected to the digital valve. The digital controller stores a target pressure drop across the orifice and is configured to determine an actual pressure drop across the orifice and formulate a control signal based on the target pressure drop and the actual pressure drop. The controller transmits the control signal to the digital valve for controlling the operation of the valve.Type: GrantFiled: April 13, 2009Date of Patent: August 13, 2013Assignee: Eaton CorporationInventors: Duqiang Wu, G. Clark Fortune, Aaron H. Jagoda, John Ryan Kess, Thomas J. Stoltz, Paul Brenner, Benjamin Morris
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Patent number: 8474364Abstract: An exemplary hydraulic system includes a plurality of digital valves, each valve fluidly connectable to a corresponding hydraulic load. The digitals valves are operable to fluidly connect the corresponding hydraulic load to a pressure source. The hydraulic system further includes a digital controller operably connected to the plurality of digital valves. The digital controller is configured to assign a priority level so that it is associated with each of a plurality of hydraulic loads, and to formulate a pulse width modulated control signal based on the assigned priority levels. The digital controller transmits the control signal to the plurality of digital valves for controlling the operation of the valves.Type: GrantFiled: April 13, 2009Date of Patent: July 2, 2013Assignee: Eaton CorporationInventors: Duqiang Wu, G. Clark Fortune, Aaron H. Jagoda, John R. Kess, Thomas J. Stoltz, Paul Brenner, Benjamin Morris
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Patent number: 8464754Abstract: A valve is provided including a first valve member and a second valve member. The first valve member includes a first step and a first orifice adjacent the first step. The second valve member includes a second step and a second orifice adjacent the second step. The second valve member is movable relative to the first valve member between an open position, in which the first orifice is fluidly connected the second orifice, and a closed position, in which the first orifice is substantially fluidly disconnected from the second orifice. The first and second steps are fluidly connected to the second orifice and substantially fluidly disconnected from the first orifice when the second valve member is in the closed position, and the first and second steps are fluidly connected to the first and second orifices when the second valve member is in the open position.Type: GrantFiled: June 2, 2009Date of Patent: June 18, 2013Assignee: Eaton CorporationInventors: Dale A. Stretch, Jeffrey C. Thompson, Mahesh Joshi, Shrikant Basurtekar, Jerry L. Carlson, Aaron H. Jagoda, Jayakumar Ravathur, Otto Schultheis, G. Clark Fortune, Paul Brenner, Thomas J. Stoltz
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Patent number: 8434302Abstract: An exemplary hydraulic system includes a digital valve operable to fluidly connect a hydraulic load to a pressure supply. A digital controller is operably connected to the digital valve. The digital controller stores a target value of a hydraulic system operating parameter and is configured to formulate a pulse width modulated control signal based on the target value. The digital controller transmits the control signal to the digital valve for controlling the operation of the valve.Type: GrantFiled: April 13, 2009Date of Patent: May 7, 2013Assignee: Eaton CorporationInventors: Duqiang Wu, G. Clark Fortune, Aaron H. Jagoda, John Ryan Kess, Thomas J. Stoltz, Paul Brenner, Benjamin Morris