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US 12,680,517 B2Granted
System and method for balancing outputs from multiple cylinder banks of an internal combustion engine
AssigneeCummins Inc.
InventorsJisang Sun, Weiyang Lin, Krishnakanth Muraleedhara Kaimal, Kevin Martin Beam, Aiswarya Adusumilli, David Guillermo Gonzalez Medina
Life of this patent
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Abstract
The present disclosure relates to engines with multiple cylinder banks. Systems and methods are disclosed that relate to engine operations that balance the output from the cylinder banks to improve engine health and performance.
Claims22
A method, comprising:
- operating an internal combustion engine system including an engine with first and second cylinder banks, each of the first and second cylinder banks including a plurality of cylinders for receiving fuel from a fuel system to combust with air from an intake system;
- comparing a first output from combustion in the first cylinder bank with a second output from combustion in the second cylinder bank;
- and
- in response to the comparison, incrementally adjusting an operating parameter on a cylinder-by-cylinder basis for all or a subset of the plurality of cylinders in at least one of the first and second cylinder banks to reduce a difference between the first output and the second output.
1 more element
An internal combustion engine system, comprising:
- an internal combustion engine with a a first cylinder bank and a second cylinder bank, each of the first cylinder bank and the second cylinder bank including a plurality of cylinders of the internal combustion engine;
- a fuel system configured to fuel the first and second cylinder banks;
- an intake system configured to provide air flow to the plurality of cylinders;
- an exhaust system to receive an exhaust flow from the first and second cylinder banks;
- a first sensor operable to provide a first signal indicative of a first output from the first cylinder bank and a second sensor operable to provide a second signal indicative of a second output from the second cylinder bank;
- and
- a controller configured to receive the first and second signals from the first and second sensors, the controller further being configured to compare the first output from the first cylinder bank with the second output from the second cylinder bank and, in response to the comparison, incrementally adjust an operating parameter on a cylinder-by-cylinder basis for all or a subset of the plurality of cylinders in at least one of the first and second cylinder banks to reduce a difference between the first output and the second output.
4 more elements
Dependencies are inferred from the claim text.