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US 2026/0274365 A1Published application
Vehicle engine thermal management by precision cooling using series flow-type cooling system
AssigneeHarley-Davidson Motor Company
InventorsMichael Carlin, Matt Pavlat, Johann Voges, Robert Brummond, Anthony Coffey
Life of this patent
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Abstract
An example liquid cooling system for an internal combustion engine (ICE) of a vehicle, a vehicle having such a liquid cooling system, a cooling circuit for such a liquid cooling system, a method of cooling a vehicle engine. The liquid cooling system having a cooling circuit with a series flow structural configuration that provides precise cooling to the critical hot zones of the cylinder heads.
Claims18
A vehicle engine, comprising:
- a cylinder head having a first exhaust port and a second exhaust port spaced apart from the first exhaust port to define a gap;
- and
- a coolant circuit including one or more cooling tubes fluidically connected in series to define a channel for circulation of a cooling medium, the one or more cooling tubes including a cylinder precision cooling tube having a serpentine shape extending through the gap to thermally contact and capture heat emitted by one or more heat exchange surfaces of the first exhaust port and the second exhaust port.
A vehicle engine, comprising:
- a cylinder head having a first exhaust port and a second exhaust port spaced apart from the first exhaust port to define a gap;
- and
- a coolant circuit including one or more cooling tubes fluidically connected in series to define a channel for circulation of a cooling medium, the one or more cooling tubes including a cylinder precision cooling tube having a serpentine shape extending through the gap to thermally contact and capture heat emitted by one or more heat exchange surfaces of the first exhaust port and the second exhaust port.
Dependencies are inferred from the claim text.