Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joseph Norman Ulrey0
Brad Alan Boyer0
Daniel Paul Madison0
James Leiby0
Date of Patent
February 11, 2020
0Patent Application Number
161684400
Date Filed
October 23, 2018
0Patent Citations
...
Patent Primary Examiner
Patent abstract
Methods and systems are provided for operating a split exhaust engine system that provides blowthrough air and exhaust gas recirculation to an intake passage via a first exhaust manifold and exhaust gas to an exhaust passage via a second exhaust manifold. In one example, a flow of exhaust (e.g., exhaust gas recirculation) from engine cylinders to the intake passage, upstream of a compressor, via an exhaust gas recirculation (EGR) passage and the first exhaust manifold may be adjusted by adjusting a timing of a first set of cylinder exhaust valves coupled to the first exhaust manifold. Additionally, the first set of cylinder exhaust valves open at a different time than a second set of cylinder exhaust valves coupled to the exhaust passage.
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