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公开(公告)号：US20210363955A1
公开(公告)日：2021-11-25
申请号：US17394526
申请日：2021-08-05
发明人： David W. Procknow , Mark Meyer
摘要： An internal combustion engine includes an engine block, a blower housing configured to direct cooling air to the engine block, an electric starting system, and a crankshaft configured to rotate about a crankshaft axis. The electric starting system includes an electric motor and an energy storage device located within the blower housing. The energy storage device is electrically coupled to the electric motor to power the electric motor, and is positioned above the crankshaft. When the starter motor is activated, the electric starting system rotates the crankshaft to rotate the engine for starting.
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公开(公告)号：US11002234B2
公开(公告)日：2021-05-11
申请号：US16864025
申请日：2020-04-30
IPC分类号： F02M37/08 , F04B17/03 , F04B49/06 , F02M37/00 , F02M51/00 , F02M51/04 , F02M57/02 , F04B17/04 , F04B53/12
摘要： A fuel delivery injector includes a housing, an inlet port fluidly coupled to a cavity to direct fuel vapor and liquid fuel into the cavity, and an outlet port fluidly coupled to the cavity to direct fuel vapor and liquid fuel out of the cavity. A magnetic assembly is fixedly positioned within the cavity, and a pumping assembly includes a bobbin and a piston. A return spring is coupled to the pumping assembly to bias the pumping assembly to a home position. A valve is positioned within the piston and is movable between an open position and a closed position. The liquid fuel entering the housing through the inlet port flows from the inlet port to the cavity and fuel vapor entering the housing through the inlet port is directed through a conduit to the outlet port.
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公开(公告)号：US11477939B2
公开(公告)日：2022-10-25
申请号：US16798272
申请日：2020-02-21
摘要： A mower deck insert includes a first cutting chamber, a second cutting chamber, and a discharge passage extending adjacent to the first cutting chamber and the second cutting chamber. The first cutting chamber includes a first axial scroll extending about a first vertical axis. The first axial scroll includes a first upper surface having a first start region and a first end region. The second cutting chamber includes a second axial scroll extending about a second vertical axis. The second axial scroll includes a second upper surface having a second start region and a second end region. The first start region is vertically lower than the first end region, and the second start region is vertically lower than the second end region.
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公开(公告)号：US20210270225A1
公开(公告)日：2021-09-02
申请号：US17259049
申请日：2018-07-12
摘要： An engine including an engine block having a cylinder defining a front of the engine, a blower housing coupled to the engine block and defining a hot half and a cool half opposite the front half, a starter mount assembly coupled to the blower housing and positioned within the cool half, an electric starter motor retained by the starter mount assembly, and a battery mounted to the blower housing and positioned in the cool half. The battery is electrically coupled to the electric starter motor.
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公开(公告)号：US11085412B2
公开(公告)日：2021-08-10
申请号：US16706617
申请日：2019-12-06
发明人： David W. Procknow , Mark Meyer
摘要： An internal combustion engine includes an engine block, a blower housing configured to direct cooling air to the engine block, an electric starting system, and a crankshaft configured to rotate about a crankshaft axis. The electric starting system includes an electric motor and an energy storage device located within the blower housing. The energy storage device is electrically coupled to the electric motor to power the electric motor. When the starter motor is activated, the electric starting system rotates the crankshaft to rotate the engine for starting.
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公开(公告)号：US11610464B2
公开(公告)日：2023-03-21
申请号：US16569282
申请日：2019-09-12
摘要： An internal combustion engine-based system including an engine, a shutdown circuit coupled to the engine to shut down the engine, a controller in communication with the shutdown circuit, and a carbon monoxide (CO) sensor in communication with the controller. The controller communicates with the shutdown circuit to shut down the engine at a predetermined CO threshold concentration when the CO sensor provides the controller with signals that are representative of a CO level proximate the engine that indicate a trend of building CO levels over a set time interval.
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公开(公告)号：US11578689B2
公开(公告)日：2023-02-14
申请号：US17394526
申请日：2021-08-05
发明人： David W. Procknow , Mark Meyer
摘要： An internal combustion engine includes an engine block, a blower housing configured to direct cooling air to the engine block, an electric starting system, and a crankshaft configured to rotate about a crankshaft axis. The electric starting system includes an electric motor and an energy storage device located within the blower housing. The energy storage device is electrically coupled to the electric motor to power the electric motor, and is positioned above the crankshaft. When the starter motor is activated, the electric starting system rotates the crankshaft to rotate the engine for starting.
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公开(公告)号：US20220381176A1
公开(公告)日：2022-12-01
申请号：US17882716
申请日：2022-08-08
摘要： An engine including an engine block having a cylinder defining a front of the engine, a blower housing coupled to the engine block and defining a hot half positioned adjacent the front of the engine and a cool half opposite the hot half, and an electric starter system positioned within the blower housing. The electric starting system includes a starter mount assembly coupled to the blower housing, an electric starter motor retained by the starter mount assembly and positioned in the cool half, and a battery mounted to the blower housing and positioned in the cool half. The battery is electrically coupled to the electric starter motor.
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公开(公告)号：US11913417B2
公开(公告)日：2024-02-27
申请号：US18108767
申请日：2023-02-13
发明人： David W. Procknow , Mark Meyer
CPC分类号： F02N11/14 , A01D34/6818 , F02B63/02 , F02N11/00 , F02N15/00 , F02N15/006 , F02N15/02 , F02N15/022 , F02N15/023 , F02D2400/06 , F02N11/0862
摘要： An internal combustion engine includes an engine block, a crankshaft configured to rotate about a crankshaft axis, a flywheel coupled to the crankshaft and positioned above the engine block, an outer housing positioned above the engine block and the flywheel, and an electric starting system. The electric starting system includes an electric motor and an energy storage device positioned above the flywheel and below the outer housing. The energy storage device is electrically coupled to the electric motor to power the electric motor. When the electric starting system is configured to rotate the crankshaft to start the engine when the electric starting system is activated.
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公开(公告)号：US20230184203A1
公开(公告)日：2023-06-15
申请号：US18108767
申请日：2023-02-13
发明人： David W. Procknow , Mark Meyer
CPC分类号： F02N11/14 , F02N11/00 , A01D34/6818 , F02N15/00 , F02N15/022 , F02B63/02 , F02N15/02 , F02N15/006 , F02N15/023 , F02D2400/06 , F02N11/0862
摘要： An internal combustion engine includes an engine block, a crankshaft configured to rotate about a crankshaft axis, a flywheel coupled to the crankshaft and positioned above the engine block, an outer housing positioned above the engine block and the flywheel, and an electric starting system. The electric starting system includes an electric motor and an energy storage device positioned above the flywheel and below the outer housing. The energy storage device is electrically coupled to the electric motor to power the electric motor. When the electric starting system is configured to rotate the crankshaft to start the engine when the electric starting system is activated.
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