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公开(公告)号：US20220325501A1
公开(公告)日：2022-10-13
申请号：US17301651
申请日：2021-04-09
Applicant: Caterpillar Inc.
Inventor： Chad KOCI , Jay R. STEFFEN , Fang GUO , Richard W. KRUISWYK , Gaurav VASUDEVA , Robert Michael MCDAVID , Timothy Adam BAZYN
IPC: E02F9/20
Abstract: A power system may include a high-speed flywheel connected to an engine of a machine; a battery; a motor-generator unit (MGU) connected to the engine and the battery; and a turbocharger connected to the engine. One or more of the high-speed flywheel, the battery and the MGU, or the turbocharger may be configured to provide supplemental power to power provided by the engine to operate the machine, or provide replacement power when no power is provided by the engine to operate the machine.
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公开(公告)号：US20240093636A1
公开(公告)日：2024-03-21
申请号：US17933570
申请日：2022-09-20
Applicant: Caterpillar Inc.
Inventor： Kevin WEISS , Timothy Adam BAZYN , Derek TANIS , Sylvain J. CHARBONNEL
CPC classification number: F02B37/24 , F02D41/0007 , F02D41/1401 , F02D41/1446 , F02D2041/1412 , F02D2041/1433 , F02D2200/0406 , F02D2200/101
Abstract: A controller may identify a plurality of sets of potential parameters associated with operation of an engine, wherein each set of potential parameters includes a potential setting of a turbine of a variable geometry turbocharger (VGT) of the engine and a potential setting of an intake throttle valve (ITV) of the engine. The controller may determine, based on the plurality of sets of potential parameters, a plurality of sets of predicted values, wherein each set of predicted values includes a predicted outlet pressure of a compressor of the VGT and a predicted temperature of an exhaust gas of the engine. The controller may determine respective scores of the plurality of sets of predicted values, and may select, based on the respective scores, a particular set of predicted values of the plurality of sets of predicted values. The controller may thereby control the turbine of the VGT and the ITV.
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