Methods for temporarily elevating the speed of a marine propulsion system's engine

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United States of America Patent

PATENT NO 9957028
SERIAL NO

15211133

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Importance

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Abstract

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The speed of a marine propulsion system's engine is temporarily elevated in response to a decrease in helm demand. A controller receives a command to decrease the helm demand from a first helm demand to a second helm demand and compares a demand difference between the second helm demand and the first helm demand to a threshold demand delta. In response to the demand difference exceeding the threshold demand delta, the controller tabulates a time since the demand difference exceeded the threshold demand delta and determines an engine speed offset based upon the second helm demand and the time. The controller determines a non-elevated engine speed setpoint corresponding to the second helm demand and calculates an elevated engine speed setpoint based on the non-elevated engine speed setpoint and the engine speed offset. Engine speed is then decreased to the elevated engine speed setpoint.

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Patent Owner(s)

Patent OwnerAddress
BRUNSWICK CORPORATION26125 N RIVERWOODS BLVD STE 500 METTAWA IL 60045

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arbuckle, Jason S Horicon, US 68 964
O'Brien, William P Eden, US 13 41
Przybyl, Andrew J Berlin, US 53 263

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