Patents by Inventor Dallas J. Blake
Dallas J. Blake 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: 11828239Abstract: A method and system for controlling a wastegate comprises determining a boost pressure target, measuring a boost pressure, determining a boost pressure error from the measured boost pressure and the boost pressure target, determining a wastegate position change based on boost pressure error, and changing the wastegate position corresponding to the wastegate position change.Type: GrantFiled: January 9, 2021Date of Patent: November 28, 2023Assignee: Polaris Industries Inc.Inventors: Dallas J. Blake, James H. Buchwitz, Lucas R. Salfer, Darren J. Hedlund, Reed A. Hanson, Eric L. Gausen
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Patent number: 11815037Abstract: A method and system for operating a two-stroke engine includes a fuel system comprising a fuel pressure sensor, fuel temperature sensor and a fuel injector and a controller in communication with the fuel pressure sensor and fuel temperature sensor. The controller controls the fuel injector with a fuel pulsewidth determined by determining a beginning time of a window for measuring fuel pressure, determining an ending time of the window, measuring fuel pressure between the beginning time and the ending time, determining a fuel pulsewidth based on the fuel pressure and fuel temperature and injecting fuel into the two-stroke engine in response to a desired fuel mass.Type: GrantFiled: July 21, 2022Date of Patent: November 14, 2023Assignee: Polaris Industries Inc.Inventors: James H. Buchwitz, Lucas R. Salfer, G. Jay McKoskey, Jacob Hanson, Ron Danielson, Andreas H. Bilek, Dallas J. Blake, Ralph W. Lauzze, III, Eric L. Gausen
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Publication number: 20230349336Abstract: A method and system for controlling operation of a two-stroke engine having a turbocharger includes the two-stroke engine comprising an electronically controlled exhaust valve. A throttle position sensor generates a throttle position signal corresponding to a position of a throttle plate of a throttle. A boost box is coupled to the two-stroke engine. A boost box pressure sensor is coupled to the boost box and generates a boost box pressure signal corresponding to a pressure within the boost box. A controller is coupled to the boost box pressure signal controlling a position of the electronically controlled exhaust valve in response to the boost box pressure signal and the throttle position signal.Type: ApplicationFiled: July 5, 2023Publication date: November 2, 2023Inventors: Dallas J. BLAKE, James H. BUCHWITZ, Lucas R. SALFER
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Patent number: 11788432Abstract: A system for a vehicle has an oil supply, an engine oil pump comprising a plurality of ports and an engine coupled to the plurality of ports. A turbocharger is coupled to the engine. A turbocharger oil pump is coupled to the oil supply comprising a first port coupled to the turbocharger.Type: GrantFiled: January 9, 2021Date of Patent: October 17, 2023Assignee: POLARIS INDUSTRIES INC.Inventors: Derek D. Zimney, James H. Buchwitz, Dallas J. Blake, Alexander M. Hetteen, Daniel E. Erickson, Chad A. Dale, Darren J. Hedlund, Derek J. Fitzpatrick, Christopher P. Scremin, Reed A. Hanson
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Patent number: 11725599Abstract: A method and system for controlling operation of a two-stroke engine having a turbocharger includes the two-stroke engine comprising an electronically controlled exhaust valve. A throttle position sensor generates a throttle position signal corresponding to a position of a throttle plate of a throttle. A boost box is coupled to the two-stroke engine. A boost box pressure sensor is coupled to the boost box and generates a boost box pressure signal corresponding to a pressure within the boost box. A controller is coupled to the boost box pressure signal controlling a position of the electronically controlled exhaust valve in response to the boost box pressure signal and the throttle position signal.Type: GrantFiled: June 3, 2022Date of Patent: August 15, 2023Assignee: Polaris Industries Inc.Inventors: James H. Buchwitz, Dallas J. Blake, Lucas R. Salfer, Alexander M. Hetteen, Reed A. Hanson, Darren J. Hedlund, Daniel E. Erickson, Chad A. Dale, Derek Zimney
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Patent number: 11639684Abstract: A system and method of operating the same includes an engine speed sensor determining an engine speed, an exhaust gas bypass valve, an exhaust gas bypass valve actuator coupled to the exhaust gas bypass valve and a controller. The controller partially opens the exhaust gas bypass valve with a first predetermined effective area greater than fully closed when the engine speed is at idle. The controller determines an acceleration event, holding the exhaust gas bypass valve open at least a second predetermined effective area greater than fully closed in response to the acceleration event.Type: GrantFiled: November 22, 2019Date of Patent: May 2, 2023Assignee: Polaris Industries Inc.Inventors: James H. Buchwitz, Darren J. Hedlund, Derek Zimney, Lucas R. Salfer, Reed A. Hanson, Dallas J. Blake
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Publication number: 20230102266Abstract: Systems and methods for starting and restarting an engine of a vehicle are disclosed. Power systems for an engine are disclosed.Type: ApplicationFiled: September 14, 2022Publication date: March 30, 2023Applicant: Polaris Industries Inc.Inventors: Stephen G. Crain, Trevor F. Rhodes, Yassin M. Kelay, David F. Buehler, Markus Hoffet, James H. Buchwitz, Nicholas A.M. Hartung, Ricky G. Jaeger, Ronnie R. Danielson, Dallas J. Blake, Beat R. Kohler, Philippe Gasdia, Joseph D. Tharaldson, Garrett J. Hebbard, Andreas H. Bilek, Derek Zimney
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Patent number: 11566579Abstract: A system and method for operating an engine comprises an engine speed sensor generating an engine speed signal, a throttle position sensor generating a throttle position signal, a sensor module comprising at least one of a fuel pressure sensor generating a fuel pressure signal corresponding to a fuel pressure and a fuel temperature sensor generating a fuel temperature signal corresponding to a fuel temperature into the engine. A controller is coupled to the fuel injector, the engine speed sensor and the sensor module. The controller determines a pulse width duration for the fuel injector based on engine speed and throttle position, determining a pulse width correction factor as a function of at least one of the fuel temperature signal and the fuel pressure signal, determining a second pulse width duration based on the first pulse width, and operating the fuel injector with the second pulse width duration.Type: GrantFiled: October 5, 2020Date of Patent: January 31, 2023Assignee: Polaris Industries Inc.Inventor: Dallas J. Blake
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Publication number: 20220356850Abstract: A method and system for operating a two-stroke engine includes a fuel system comprising a fuel pressure sensor, fuel temperature sensor and a fuel injector and a controller in communication with the fuel pressure sensor and fuel temperature sensor. The controller controls the fuel injector with a fuel pulsewidth determined by determining a beginning time of a window for measuring fuel pressure, determining an ending time of the window, measuring fuel pressure between the beginning time and the ending time, determining a fuel pulsewidth based on the fuel pressure and fuel temperature and injecting fuel into the two-stroke engine in response to a desired fuel mass.Type: ApplicationFiled: July 21, 2022Publication date: November 10, 2022Inventors: James H. Buchwitz, Lucas R. Salfer, Jay McKoskey, Jacob Hanson, Ron Danielson, Andreas H. Bilek, Dallas J. Blake, Ralph W. Lauzze, III, Eric L. Gausen
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Publication number: 20220316412Abstract: A method and system for controlling operation of a two-stroke engine having a turbocharger includes the two-stroke engine comprising an electronically controlled exhaust valve. A throttle position sensor generates a throttle position signal corresponding to a position of a throttle plate of a throttle. A boost box is coupled to the two-stroke engine. A boost box pressure sensor is coupled to the boost box and generates a boost box pressure signal corresponding to a pressure within the boost box. A controller is coupled to the boost box pressure signal controlling a position of the electronically controlled exhaust valve in response to the boost box pressure signal and the throttle position signal.Type: ApplicationFiled: June 3, 2022Publication date: October 6, 2022Inventors: James H. BUCHWITZ, Dallas J. BLAKE, Lucas R. SALFER, Alexander M. HETTEEN, Reed A. HANSON, Darren J. HEDLUND, Daniel E. ERICKSON, Chad A. DALE, Derek ZIMNEY
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Patent number: 11434834Abstract: A system and method of controlling a turbocharged engine system includes receiving a boost mode selection signal and controlling the turbocharged engine system in response to the boost mode selection signal.Type: GrantFiled: January 9, 2021Date of Patent: September 6, 2022Assignee: Polaris Industries Inc.Inventors: Dallas J. Blake, James H. Buchwitz, Lucas R. Salfer, Steven R. Hanson, Joseph D. Tharaldson, Darren J. Hedlund, Reed A. Hanson, Derek D. Zimney, James A. Barczak, Chad A. Dale, Daniel E. Erickson, Jon P. Brandt, Alexander M. Hetteen
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Patent number: 11384697Abstract: A method and system for controlling operation of a two-stroke engine having a turbocharger includes the two-stroke engine comprising an electronically controlled exhaust valve. A throttle position sensor generates a throttle position signal corresponding to a position of a throttle plate of a throttle. A boost box is coupled to the two-stroke engine. A boost box pressure sensor is coupled to the boost box and generates a boost box pressure signal corresponding to a pressure within the boost box. A controller is coupled to the boost box pressure signal controlling a position of the electronically controlled exhaust valve in response to the boost box pressure signal and the throttle position signal.Type: GrantFiled: January 9, 2021Date of Patent: July 12, 2022Assignee: POLARIS INDUSTRIES INC.Inventors: James H. Buchwitz, Dallas J. Blake, Lucas R. Salfer, Alexander M. Hetteen, Reed A. Hanson, Darren J. Hedlund, Daniel E. Erickson, Chad A. Dale, Derek D. Zimney
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Publication number: 20210310426Abstract: A system and method of controlling a turbocharged engine system includes receiving a boost mode selection signal and controlling the turbocharged engine system in response to the boost mode selection signal.Type: ApplicationFiled: January 9, 2021Publication date: October 7, 2021Inventors: Dallas J. Blake, James H. BUCHWITZ, Lucas R. SALFER, Steven R. HANSON, Joseph D. THARALDSON, Darren J. HEDLUND, Reed A. HANSON, Derek D. ZIMNEY, James A. BARCZAK, Chad A. DALE, Daniel E. ERICKSON, Jon P. BRANDT, Alexander M. HETTEEN
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Publication number: 20210310374Abstract: A system for a vehicle has an oil supply, an engine oil pump comprising a plurality of ports and an engine coupled to the plurality of ports. A turbocharger is coupled to the engine. A turbocharger oil pump is coupled to the oil supply comprising a first port coupled to the turbocharger.Type: ApplicationFiled: January 9, 2021Publication date: October 7, 2021Inventors: Derek D. Zimney, James H. Buchwitz, Dallas J. Blake, Alexander M. Hetteen, Daniel E. Erickson, Chad A. Dale, Darren J. Hedlund, Derek J. Fitzpatrick, Christopher P. Scremin, Reed A. Hanson
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Publication number: 20210215093Abstract: A method and system for controlling operation of a two-stroke engine having a turbocharger includes the two-stroke engine comprising an electronically controlled exhaust valve. A throttle position sensor generates a throttle position signal corresponding to a position of a throttle plate of a throttle. A boost box is coupled to the two-stroke engine. A boost box pressure sensor is coupled to the boost box and generates a boost box pressure signal corresponding to a pressure within the boost box. A controller is coupled to the boost box pressure signal controlling a position of the electronically controlled exhaust valve in response to the boost box pressure signal and the throttle position signal.Type: ApplicationFiled: January 9, 2021Publication date: July 15, 2021Inventors: James H. Buchwitz, Dallas J. Blake, Lucas R. Salfer, Alexander M. Hetteen, Reed A. Hanson, Darren J. Hedlund, Daniel E. Erickson, Chad A. Dale, Derek D. Zimney
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Publication number: 20210131366Abstract: A method and system for controlling a wastegate comprises determining a boost pressure target, measuring a boost pressure, determining a boost pressure error from the measured boost pressure and the boost pressure target, determining a wastegate position change based on boost pressure error, and changing the wastegate position corresponding to the wastegate position change.Type: ApplicationFiled: January 9, 2021Publication date: May 6, 2021Inventors: Dallas J. BLAKE, James H. BUCHWITZ, Lucas R. SALFER, Darren J. HEDLUND, Reed A. HANSON, Eric L. GAUSEN
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Publication number: 20210017931Abstract: A system and method for operating an engine comprises an engine speed sensor generating an engine speed signal, a throttle position sensor generating a throttle position signal, a sensor module comprising at least one of a fuel pressure sensor generating a fuel pressure signal corresponding to a fuel pressure and a fuel temperature sensor generating a fuel temperature signal corresponding to a fuel temperature into the engine. A controller is coupled to the fuel injector, the engine speed sensor and the sensor module. The controller determines a pulse width duration for the fuel injector based on engine speed and throttle position, determining a pulse width correction factor as a function of at least one of the fuel temperature signal and the fuel pressure signal, determining a second pulse width duration based on the first pulse width, and operating the fuel injector with the second pulse width duration.Type: ApplicationFiled: October 5, 2020Publication date: January 21, 2021Inventor: Dallas J. Blake
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Patent number: 10859027Abstract: A system and method for operating an engine comprises an engine speed sensor generating an engine speed signal, a throttle position sensor generating a throttle position signal, a sensor module comprising at least one of a fuel pressure sensor generating a fuel pressure signal corresponding to a fuel pressure and a fuel temperature sensor generating a fuel temperature signal corresponding to a fuel temperature into the engine. A controller is coupled to the fuel injector, the engine speed sensor and the sensor module. The controller determines a pulse width duration for the fuel injector based on engine speed and throttle position, determining a pulse width correction factor as a function of at least one of the fuel temperature signal and the fuel pressure signal, determining a second pulse width duration based on the first pulse width, and operating the fuel injector with the second pulse width duration.Type: GrantFiled: October 3, 2017Date of Patent: December 8, 2020Assignee: Polaris Industries Inc.Inventor: Dallas J. Blake
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Patent number: 10731620Abstract: A system for starting an engine of a vehicle has a fuel injector injecting fuel into a closed intake port to form an air fuel mixture. The system also includes an actuator rotating a crankshaft in a first direction to open the intake port by moving a piston within a cylinder coupled to the crankshaft. A combustion chamber defines between the cylinder and the port receiving the air fuel mixture through the intake port. The actuator rotates the crankshaft in a second direction to close the intake port. A spark plug ignites the air fuel mixture to start the engine. The engine also includes many other disclosed features.Type: GrantFiled: September 28, 2018Date of Patent: August 4, 2020Assignee: Polaris Industries Inc.Inventors: Dallas J. Blake, James A. Barczak, Lawrence J. Hosaluk, Darren J. Hedlund, Oliver J. Young, Matthew D. Reeves, Joseph D. Tharaldson, Chad A. Dale, Stephen G. Crain, Trevor F. Rhodes
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Publication number: 20200182164Abstract: A method and system for operating a two-stroke engine includes a fuel system comprising a fuel pressure sensor, fuel temperature sensor and a fuel injector and a controller in communication with the fuel pressure sensor and fuel temperature sensor. The controller controls the fuel injector with a fuel pulsewidth determined by determining a beginning time of a window for measuring fuel pressure, determining an ending time of the window, measuring fuel pressure between the beginning time and the ending time, determining a fuel pulsewidth based on the fuel pressure and fuel temperature and injecting fuel into the two-stroke engine in response to a desired fuel mass.Type: ApplicationFiled: November 26, 2019Publication date: June 11, 2020Applicant: Polaris Industries Inc.Inventors: James H. BUCHWITZ, Ralph W. LAUZZE, III, Eric L. GAUSEN, Andreas H. BILEK, Dallas J. BLAKE, Derek D. ZIMNEY, Lucas R. SALFER, Ron DANIELSON