Patents by Inventor Derek D. Zimney
Derek D. Zimney 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: 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: 11725573Abstract: An exhaust system includes a housing comprising a first housing portion and a second housing portion separated by a common wall. The first housing portion has a first exhaust passage therethrough. The first exhaust passage has a first inlet receiving exhaust gasses from a turbocharger. The second housing portion has a second exhaust passage therethrough. The second exhaust passage has a second inlet receiving gasses from an exhaust bypass valve. The first passage and the second passage are non-intersecting within the housing.Type: GrantFiled: January 9, 2021Date of Patent: August 15, 2023Assignee: Polaris Industries Inc.Inventors: William J. Bryant, Derek D. Zimney, Angus M. Morison, Colton Ross, Ross Liberty, Lucas R. Salfer, Sean M. Trihey, Darren J. Hedlund, James H. Buchwitz
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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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Patent number: 11352935Abstract: An exhaust system for a vehicle including a deep snow exhaust outlet defined by a driveline structural member of the vehicle. If the vehicle includes a turbo charger and an exhaust silencer, the turbocharger and the exhaust silencer are coupled together without exhaust piping therebetween.Type: GrantFiled: November 21, 2019Date of Patent: June 7, 2022Assignee: Polaris Industries Inc.Inventors: James H. Buchwitz, Derek D. Zimney, Darren J. Hedlund, Reed A. Hanson, Daniel E. Erickson, Chad A. Dale
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Patent number: 11174779Abstract: A turbocharger and method of controlling the same includes a turbine housing comprising an inlet and an outlet, turbine wheel coupled to a shaft. The turbine housing comprising a first scroll and a second scroll for fluidically coupling the inlet and the turbine wheel. The first scroll has a first end adjacent the inlet and a second end adjacent the turbine wheel. The second scroll has a third end adjacent the inlet and a fourth end adjacent the turbine wheel. An exhaust gas diverter valve is coupled to the turbine housing restricting flow into the first scroll or the second scroll.Type: GrantFiled: November 22, 2019Date of Patent: November 16, 2021Assignee: Polaris Industries Inc.Inventors: James H. Buchwitz, Derek D. Zimney, Lucas R. Salfer, Tim Keller, Marcel Semrau, Karsten Scholle
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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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Patent number: 11131235Abstract: An engine system comprises a two stroke engine, an exhaust manifold, a tuned pipe coupled to the exhaust manifold and a turbocharger coupled to the engine. The turbocharger comprises a turbine inlet coupled to the exhaust manifold through the tuned pipe, and a turbine outlet coupled to an exhaust pipe. A silencer is coupled to the exhaust pipe. A bypass pipe has a first end coupled to the tuned pipe and a second end bypassing the turbine outlet and a wastegate disposed in the bypass pipe.Type: GrantFiled: November 22, 2019Date of Patent: September 28, 2021Assignee: Polaris Industries Inc.Inventors: James H. Buchwitz, Darren J. Hedlund, Lucas R. Salfer, Reed A. Hanson, Derek D. Zimney
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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: 20210131343Abstract: An exhaust system includes a housing comprising a first housing portion and a second housing portion separated by a common wall. The first housing portion has a first exhaust passage therethrough. The first exhaust passage has a first inlet receiving exhaust gasses from a turbocharger. The second housing portion has a second exhaust passage therethrough. The second exhaust passage has a second inlet receiving gasses from an exhaust bypass valve. The first passage and the second passage are non-intersecting within the housing.Type: ApplicationFiled: January 9, 2021Publication date: May 6, 2021Inventors: William J. Bryant, Derek D. ZIMNEY, Angus M. MORISON, Colton ROSS, Ross LIBERTY, Lucas R. SALFER, Sean M. TRIHEY, Darren J. HEDLUND, James H. BUCHWITZ
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Patent number: 10870465Abstract: A power generation system is provided including a power boost regulator operative to provide load matched voltage operation of an AC power source.Type: GrantFiled: November 21, 2017Date of Patent: December 22, 2020Assignee: Polaris Industries Inc.Inventors: Stephen G. Crain, Derek D. Zimney
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Publication number: 20200182142Abstract: A two-stroke engine system has a two stroke engine with an exhaust manifold, a tuned pipe coupled to the exhaust manifold, a stinger coupled to the tuned pipe and a turbocharger coupled to the stinger has a turbine portion having a turbine wheel having an inducer area and a turbine exducer area. A wastegate is in communication with the turbocharger. The wastegate comprises a port area greater than about 37% of the turbine exducer area.Type: ApplicationFiled: November 22, 2019Publication date: June 11, 2020Applicant: Polaris Industries Inc.Inventors: Derek D. ZIMNEY, James H. BUCHWITZ, Lucas R. SALFER, Reed A. HANSON, Darren J. HEDLUND, Sean M. TRIHEY, Jon P. BRANDT, Chad A. DALE
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Publication number: 20200182123Abstract: An exhaust system for a vehicle including a deep snow exhaust outlet defined by a driveline structural member of the vehicle. If the vehicle includes a turbo charger and an exhaust silencer, the turbocharger and the exhaust silencer are coupled together without exhaust piping therebetween.Type: ApplicationFiled: November 21, 2019Publication date: June 11, 2020Inventors: James H. BUCHWITZ, Derek D. ZIMNEY, Darren J. HEDLUND, Reed A. HANSON, Daniel E. ERICKSON, Chad A. DALE
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Publication number: 20200182140Abstract: An engine system comprises a two stroke engine, an exhaust manifold, a tuned pipe coupled to the exhaust manifold and a turbocharger coupled to the engine. The turbocharger comprises a turbine inlet coupled to the exhaust manifold through the tuned pipe, and a turbine outlet coupled to an exhaust pipe. A silencer is coupled to the exhaust pipe. A bypass pipe has a first end coupled to the tuned pipe and a second end bypassing the turbine outlet and a wastegate disposed in the bypass pipe.Type: ApplicationFiled: November 22, 2019Publication date: June 11, 2020Applicant: Polaris Industries Inc.Inventors: James H. BUCHWITZ, Darren J. HEDLUND, Jon P. BRANDT, Chad A. DALE, Lucas R. SALFER, Reed A. HANSON, Sean M. TRIHEY, Derek D. ZIMNEY
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Publication number: 20200182141Abstract: An engine system and method of operating the same includes a two stroke engine, an exhaust manifold coupled to the two-stroke engine, a tuned pipe coupled to the exhaust manifold coupled to the exhaust manifold, a stinger pipe coupled to the tuned pipe, a silencer coupled to the tuned pipe and an exhaust pipe, and an exhaust bypass valve. Exhaust gases are directed from the two stroke engine through an exhaust manifold and through a tuned pipe. An opening of the exhaust bypass valve is changed to redirect exhaust gases away from the tuned pipe to change a pressure within the tuned pipe. In response to changing the opening of the exhaust bypass valve, the airflow through the engine is changed.Type: ApplicationFiled: November 22, 2019Publication date: June 11, 2020Applicant: Polaris Industries Inc.Inventors: James H. BUCHWITZ, Darren J. HEDLUND, Jon P. BRANDT, Reed A. HANSON, Lucas R. SALFER, Derek D. ZIMNEY, Sean M. TRIHEY
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Publication number: 20200182138Abstract: A turbocharger and method of controlling the same includes a turbine housing comprising an inlet and an outlet, turbine wheel coupled to a shaft. The turbine housing comprising a first scroll and a second scroll for fluidically coupling the inlet and the turbine wheel. The first scroll has a first end adjacent the inlet and a second end adjacent the turbine wheel. The second scroll has a third end adjacent the inlet and a fourth end adjacent the turbine wheel. An exhaust gas diverter valve is coupled to the turbine housing restricting flow into the first scroll or the second scroll.Type: ApplicationFiled: November 22, 2019Publication date: June 11, 2020Applicant: Polaris Industries Inc.Inventors: James H. BUCHWITZ, Derek D. ZIMNEY, Lucas R. SALFER, Sean M. TRIHEY, Darren J. HEDLUND, Reed A. HANSON, Clifton J. SEUSY
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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
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Publication number: 20200182139Abstract: An exhaust gas diverter valve coupled within a pipe comprises a housing having a passage therethrough, a valve member rotatably coupled within the housing the valve member rotates about a valve axis. A first valve seat mat be disposed partially circumferentially within said passage and extending radially inwardly.Type: ApplicationFiled: November 22, 2019Publication date: June 11, 2020Applicant: Polaris Industries Inc.Inventors: James H. BUCHWITZ, Ralph W. LAUZZE, III, Eric L. GAUSEN, Lucas R. SALFER, Jon P. BRANDT, Chad A. DALE, Darren J. HEDLUND, Reed A. HANSON, Derek D. ZIMNEY
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Publication number: 20180086419Abstract: A power generation system is provided including a power boost regulator operative to provide load matched voltage operation of an AC power source.Type: ApplicationFiled: November 21, 2017Publication date: March 29, 2018Inventors: Stephen G. Crain, Derek D. Zimney