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公开(公告)号：US11591984B2
公开(公告)日：2023-02-28
申请号：US17832878
申请日：2022-06-06
发明人： David Procknow , Jacob Zuehl
摘要： An internal combustion engine includes an engine block including a cylinder a piston positioned within the cylinder and configured to reciprocate in the cylinder, an electronic throttle control system comprising a motor and a throttle plate, a fuel system for supplying a controlled amount of fuel to the cylinder including a fuel injector, and an engine control unit coupled to the fuel system and the electronic throttle control system. The engine control unit is configured to determine engine speed data comprising a current engine speed, a previous engine speed, and a desired engine speed and control a fuel injection duration based on the engine speed data.
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公开(公告)号：US20220349334A1
公开(公告)日：2022-11-03
申请号：US17866685
申请日：2022-07-18
发明人： Jacob Zuehl , Michael Pitcel
摘要： One embodiment of the invention relates to an internal combustion engine including an engine block having a first cylinder and a second cylinder, a crankshaft configured to rotate about a crankshaft axis, a flywheel coupled to the crankshaft, a throttle body, an air filter assembly, a first electric fan coupled to a first duct, and a second electric fan coupled to a second duct. The first duct is configured to direct cooling air directly over the first cylinder. The second duct is configured to direct cooling air directly over the second cylinder. The first cylinder is at least partially within the first duct. The second cylinder is at least partially within the second duct.
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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：US20210408820A1
公开(公告)日：2021-12-30
申请号：US17356001
申请日：2021-06-23
发明人： Robert J. Koenen , Scott A. Funke , Todd Johnson , Mark Noller , Nicholas Joseph Ziedler , Jacob Zuehl
IPC分类号： H02J7/34 , H02J7/00 , B60R16/033 , B60P1/43
摘要： A transportation vehicle including a plurality of battery packs, a plurality of power equipment, and a controller. The controller is configured to identify at least one of the plurality of power equipment or at least one of the plurality of battery packs that requires charging and direct power through a bus to distribute power to at least one of the plurality of power equipment or at least one of the plurality of battery packs. The plurality of battery packs are configured to recharge the plurality of power equipment.
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公开(公告)号：US20230097245A1
公开(公告)日：2023-03-30
申请号：US17908330
申请日：2021-03-01
发明人： Jacob Zuehl , Richard Sebzda , Vernon Moss
摘要： An internal combustion engine includes an engine block, a piston, a cylinder head, and a valve train. The engine block includes a cylinder block including a cylinder bore and a crankcase defining a crankcase chamber with a crankshaft positioned within the crankcase chamber. The piston is coupled to the crankshaft and configured to reciprocate within the cylinder bore. The cylinder head is coupled to the cylinder block. The valve train includes a camshaft, a first and second pushrod, a first and second rocker arm, an exhaust valve housed, and an intake valve. The first rocker arm, the second rocker arm, the exhaust valve, and the intake valve each include at least a layer of a low friction material. The first and second pushrod each pass through a pushrod seal to prevent fluid from reaching the rocker chamber to fluidly isolate the rocker chamber from the crankcase chamber.
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公开(公告)号：US11408325B2
公开(公告)日：2022-08-09
申请号：US16746740
申请日：2020-01-17
发明人： Jacob Zuehl , Michael Pitcel
摘要： One embodiment of the invention relates to an internal combustion engine including an engine block, a crankshaft configured to rotate about a crankshaft axis, a flywheel coupled to the crankshaft, a throttle body, an electric fan, and an air filter assembly configured to filter incoming air from an air intake and provide cleaned air to a throttle body. The engine block includes a cylinder. The throttle body is configured to throttle incoming air to the cylinder.
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公开(公告)号：US11352964B2
公开(公告)日：2022-06-07
申请号：US16153368
申请日：2018-10-05
发明人： Robert Koenen , Jason Hansen , Jacob Zuehl
摘要： Portable jobsite equipment includes a generator including an internal combustion engine and an alternator. The internal combustion engine includes a first cylinder including a first spark plug configured to create a first electrical spark, a second cylinder including a second spark plug configured to create a second electrical spark, an electronic control unit configured to activate and deactivate at least one of the first cylinder and the second cylinder, and a load source receiving supplied power from the generator. The electronic control unit activates one of the first cylinder and the second cylinder in response to a threshold increase of the load source.
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