公开(公告)号：US20200182140A1

公开(公告)日：2020-06-11

申请号：US16692470

申请日：2019-11-22

Applicant: Polaris Industries Inc.

Inventor： James H. BUCHWITZ ,  Darren J. HEDLUND ,  Jon P. BRANDT ,  Chad A. DALE ,  Lucas R. SALFER ,  Reed A. HANSON ,  Sean M. TRIHEY ,  Derek D. ZIMNEY

IPC: F02B37/18 ,  F02B57/06 ,  F02M26/41 ,  F01N13/10

Abstract: 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.

公开(公告)号：US20190136818A1

公开(公告)日：2019-05-09

申请号：US16145475

申请日：2018-09-28

Applicant: Polaris Industries Inc.

Inventor： 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

IPC: F02N11/08

Abstract: 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.

公开(公告)号：US20210310426A1

公开(公告)日：2021-10-07

申请号：US17145297

申请日：2021-01-09

Applicant: Polaris Industries Inc.

Inventor： 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

IPC: F02D23/00 ,  F02B37/18 ,  B62J50/21 ,  F01N13/18 ,  F02D41/10

Abstract: 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.

公开(公告)号：US20200182141A1

公开(公告)日：2020-06-11

申请号：US16692628

申请日：2019-11-22

Applicant: Polaris Industries Inc.

Inventor： James H. BUCHWITZ ,  Darren J. HEDLUND ,  Jon P. BRANDT ,  Reed A. HANSON ,  Lucas R. SALFER ,  Derek D. ZIMNEY ,  Sean M. TRIHEY

IPC: F02B37/18 ,  F02B57/06 ,  F01N13/10

Abstract: 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.

公开(公告)号：US20200182139A1

公开(公告)日：2020-06-11

申请号：US16692336

申请日：2019-11-22

Applicant: Polaris Industries Inc.

Inventor： 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

IPC: F02B37/18 ,  F02B37/16 ,  F02B57/06 ,  F02B31/06

Abstract: 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.

公开(公告)号：US20210131366A1

公开(公告)日：2021-05-06

申请号：US17145295

申请日：2021-01-09

Applicant: Polaris Industries Inc.

Inventor： Dallas J. BLAKE ,  James H. BUCHWITZ ,  Lucas R. SALFER ,  Darren J. HEDLUND ,  Reed A. HANSON ,  Eric L. GAUSEN

IPC: F02D41/00 ,  F02B37/18

Abstract: 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.

公开(公告)号：US20210131343A1

公开(公告)日：2021-05-06

申请号：US17145317

申请日：2021-01-09

Applicant: Polaris Industries Inc.

Inventor： 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

IPC: F02B37/18 ,  F02B37/02 ,  F01N1/24 ,  F01N1/00

Abstract: 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.

公开(公告)号：US20200182167A1

公开(公告)日：2020-06-11

申请号：US16692795

申请日：2019-11-22

Applicant: Polaris Industries Inc.

Inventor： James H. BUCHWITZ ,  Darren J. HEDLUND

IPC: F02D31/00 ,  F02B37/18 ,  F02B57/06 ,  F01N13/10

Abstract: 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.

公开(公告)号：US20200182130A1

公开(公告)日：2020-06-11

申请号：US16791302

申请日：2020-02-14

Applicant: Polaris Industries Inc.

Inventor： Darren J. HEDLUND ,  Oliver J. Young

IPC: F01P11/02 ,  F16K31/00 ,  F01P3/02 ,  F01P9/00 ,  F01P7/16

Abstract: A coolant bottle defines a first chamber and a second chamber fluidly coupled to the first chamber at a valve seat. The first chamber is fluidly coupled to a source of heated engine cooling fluid, while the second chamber is fluidly coupled to an engine water pump. A thermally responsive actuator is disposed within the first chamber, and has a thermally actuated sliding member having a valve seat engaging surface. The thermally actuated sliding member is movable from a first open position to a second closed position when the coolant is above a first temperature. The thermally responsive actuator is disposed within the first chamber.

公开(公告)号：US20220316412A1

公开(公告)日：2022-10-06

申请号：US17831828

申请日：2022-06-03

Applicant: Polaris Industries Inc.

Inventor： 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

IPC: F02D9/10 ,  B62J50/21 ,  F01N13/18 ,  F02B37/18 ,  F02D23/00 ,  F02D41/10 ,  F02D13/02

Abstract: 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.