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公开(公告)号：US11852087B2
公开(公告)日：2023-12-26
申请号：US17873879
申请日：2022-07-26
CPC分类号： F02D41/009 , F02B33/04 , F02D41/062 , F02N3/02 , F02N11/04 , F02N11/06 , F02P5/045 , F02N11/08 , F02N2011/0896 , F02N2200/021 , F02N2200/022 , F02N2300/104
摘要： A method for starting an internal combustion engine (ICE) having a crankshaft and an electric turning machine (ETM) operatively connected to the crankshaft comprises energizing an absolute position sensor adapted for providing an indication of an angular position of a rotor of the ETM and applying a current to the ETM to generate a sufficient torque to rotate the crankshaft.
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公开(公告)号：US11136019B2
公开(公告)日：2021-10-05
申请号：US16777920
申请日：2020-01-31
IPC分类号： B60W10/06 , B60W10/107 , F16H9/04
摘要： Monitoring is provided for a drive belt of a continuously variable transmission (CVT) mounted in a vehicle having a motor driving the CVT. A rotational speed of the motor and a power level of the motor are sensed. An abuse indicator for the drive belt is set when, concurrently, the rotational speed of the motor increases at a rate that exceeds a change threshold and the power level of the motor exceeds a power threshold. A level of abuse of the drive belt is calculated based on a speed of the vehicle and on a drive belt temperature. Damage to the drive belt may be prevented by limiting a power output of the motor when an accumulated level of abuse exceeds an abuse threshold. A vehicle having an electronic control unit configured to perform the method is also disclosed.
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公开(公告)号：US10450968B2
公开(公告)日：2019-10-22
申请号：US14875957
申请日：2015-10-06
摘要： A snowmobile includes a frame with a tunnel, a fuel tank disposed thereon and an engine connected thereto. A throttle body fluidly communicates with the engine. A throttle valve is disposed in the throttle body for regulating fluid flow through the throttle body into the engine, a position of the throttle valve being movable between an open position and a closed position. A throttle operator connected to the frame to control the position of throttle valve is moveable between an idle position and a drive position. A throttle valve actuator operatively connected to the throttle valve and the throttle operator controls a position of the throttle valve based at least in part on the throttle operator position, the throttle valve actuator being an electric throttle valve actuator and disposed longitudinally between the fuel tank and the engine. Vehicles and methods of operating the vehicles are also disclosed.
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公开(公告)号：US11293363B2
公开(公告)日：2022-04-05
申请号：US16681446
申请日：2019-11-12
摘要： A method for controlling delivery of electric power between a power source and an electric turning machine (ETM) comprises applying a start signal to a start-up power electronic switch to cause turning on of the start-up power electronic switch and to allow delivery of electric power from the power source to the ETM via the start-up power electronic switch. A recharge signal is applied to a run-time power electronic switch to cause turning on of the run-time power electronic switch for delivery of electric power from the ETM to the power source via the run-time power electronic switch. A circuit comprises a discharging circuit including the start-up power electronic switch for delivering the electric power when the start-up power electronic switch is turned on. A charging circuit includes the run-time power electronic switch for delivering the electric power when the run-time power electronic switch is turned on.
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公开(公告)号：US10900455B1
公开(公告)日：2021-01-26
申请号：US15689578
申请日：2017-08-29
发明人： Michel Bernier
摘要： An internal combustion engine comprises at least one cylinder, at least one cylinder head connected to at least one cylinder, at least one piston disposed in the at least one cylinder, a crankshaft operatively connected to the at least one piston, a crankcase housing at least a portion of the crankshaft, a motor-generator operatively connected to the crankshaft, a recoil starter operatively connected to the crankshaft, and a drive pulley of a continuously variable transmission (CVT) operatively connected to the crankshaft, the motor-generator. The recoil starter, the crankshaft and the drive pulley are coaxial. The motor-generator operates in motor mode to rotate the crankshaft and in generator mode to generate electricity.
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公开(公告)号：US09683492B2
公开(公告)日：2017-06-20
申请号：US14584403
申请日：2014-12-29
CPC分类号： F02D9/02 , B62M9/06 , B62M27/02 , B62M2027/023 , F02D11/04 , F02D11/10 , F02D2009/0277 , F02D2011/102 , F02M35/162 , F02N11/101
摘要： A method of operating a vehicle having an engine, an engine control unit (ECU), a throttle operator, and a throttle body fluidly communicating with the engine. A throttle valve disposed in the throttle body regulates fluid flow to the engine. A throttle valve actuator is connected thereto for controlling a throttle valve position. A key receiver is configured to link to a key. The method includes linking a key to the key receiver and initiating engine operation. If the key is linked to the key receiver and engine operation has been initiated, an identification code of the key is read and an authorization status of the key is thereby determined. If the key is determined to be authorized, the throttle valve position is controlled based in part on a throttle operator position. If the key is determined to be unauthorized, the throttle valve position is limited to a security limit.
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公开(公告)号：US11352996B1
公开(公告)日：2022-06-07
申请号：US17141549
申请日：2021-01-05
发明人： Michel Bernier
摘要： A method for starting an internal combustion engine of a snowmobile is disclosed. The method comprises actuating a start switch of the snowmobile; in response to the start switch being actuated, sensing a temperature; in response to the sensed temperature being above a predetermined temperature, starting the engine using a motor-generator; and in response to the sensed temperature being below the predetermined temperature, starting the engine using a recoil starter.
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公开(公告)号：US11300066B2
公开(公告)日：2022-04-12
申请号：US16681433
申请日：2019-11-12
摘要： An internal combustion engine (ICE) includes a crankshaft, a cylinder head defining in part a variable combustion chamber of the ICE, a direct fuel injector mounted on the cylinder head, a power source, an electric turning machine (ETM) rotating the crankshaft, an absolute position sensor providing an indication of an angular position of a rotor of the ETM, and an engine control unit (ECU) operatively connected to the absolute position sensor. The ECU controls a delivery of electric power from the power source to the ETM based on the angular position of the rotor of the ETM and causes the direct fuel injector to inject fuel directly in the combustion chamber at a time selected based on the angular position reached by the rotor of the ETM.
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公开(公告)号：US09481370B2
公开(公告)日：2016-11-01
申请号：US14813347
申请日：2015-07-30
发明人： Michel Bernier , Pierre-Luc Milot
IPC分类号： B60W30/18 , B60W30/182 , B60W10/06 , B60W10/107
CPC分类号： B60W30/182 , B60W10/06 , B60W10/107 , B60W2510/0642
摘要： A method of operating a vehicle. The vehicle includes an engine. The method including determining if the engine is to be operated at idle and determining a current mode of operation of the vehicle. The current mode of operation is any one of a plurality of modes of operation including at least a first mode and a second mode. The method includes, if the engine is to be operated at idle, operating the engine at a first idle speed if the current mode of operation of the vehicle is the first mode of operation; and operating the engine at a second idle speed if the current mode of operation of the vehicle is the second mode of operation. The first idle speed is greater than the second idle speed.
摘要翻译： 一种操作车辆的方法。 车辆包括发动机。 该方法包括确定发动机是否在怠速运转并且确定车辆的当前操作模式。 当前的操作模式是包括至少第一模式和第二模式的多种操作模式中的任何一种。 该方法包括：如果发动机在怠速运转时，如果车辆的当前操作模式是第一操作模式，则以第一怠速运转发动机; 以及如果所述车辆的当前操作模式是所述第二操作模式，则以所述第二怠速运转所述发动机。 第一怠速大于第二怠速。
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公开(公告)号：US09228581B2
公开(公告)日：2016-01-05
申请号：US13895759
申请日：2013-05-16
发明人： Michel Bernier , Bruno Schuehmacher
CPC分类号： B62M27/02 , B62M2027/023 , F01M1/02 , F01M1/16 , F01M2001/0223 , F01M2001/023 , F02B61/02 , F04B49/022
摘要： A snowmobile having an electronic oil pump fluidly connected to an oil tank thereof is disclosed. The electronic oil pump is fluidly connected to an engine of the snowmobile for delivering lubricant to the engine. An electronic control unit is electrically connected to the electronic oil pump for controlling actuation of the electronic oil pump. A method of operating an electronic oil pump is also disclosed.
摘要翻译： 公开了一种具有与其油箱流体连接的电子油泵的雪地车。 电子油泵流体地连接到雪地车的发动机，用于将润滑剂输送到发动机。 电子控制单元电连接到电子油泵，用于控制电动油泵的致动。 还公开了一种操作电子油泵的方法。
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