Systems and methods for engine cooling during S/S events
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United States of America Patent
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Sep 15, 2020
Grant Date -
Jul 4, 2019
app pub date -
Jan 3, 2018
filing date -
Jan 3, 2018
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Methods and systems are provided for reducing temperature of an engine or single cylinder(s) of the engine at start/stop events where the engine is stopped from combusting air and fuel, and in response to an overheating engine condition. In one example, a method comprises activating an electric air compressor to direct cooling air flow through a first single cylinder of the engine, to reduce a temperature of the first single cylinder to a desired temperature prior to a request to restart the engine. In this way, a single cylinder indicated to be overheating may be effectively cooled, without employing methodology that would otherwise cool the engine as a whole, which may thus prevent engine degradation and which may conserve power of an onboard energy storage device.
First Claim
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International Classification(s)
- B60W:CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT....
- F02M:SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBU....
- F02N:STARTING OF COMBUSTION ENGINES
- F01P:COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING....
- F02B:INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENG....
- F02D:CONTROLLING COMBUSTION ENGINES
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