Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John Erik Mikael Hellstrom0
Joseph Ulrey0
Andres Ceballos0
Christopher John Piper0
Daniel Madison0
Date of Patent
June 29, 2021
0Patent Application Number
159390050
Date Filed
March 28, 2018
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Methods and systems are provided for reducing exhaust residuals during light load conditions in a split exhaust engine via a check valve. In one example, a scavenge exhaust manifold may be maintained above a threshold pressure by introducing fresh air into the scavenge manifold during a valve overlap period, the scavenge manifold coupled to a cylinder of an engine and coupled to an intake passage of the engine.
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