Powertrain system
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United States of America Patent
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Dec 27, 2022
Grant Date -
Mar 4, 2021
app pub date -
Jul 1, 2020
filing date -
Sep 3, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A powertrain system includes a port injection internal combustion engine. A first start process is a process in which fuel is enclosed in a compression stroke cylinder when the engine is stopped, and based on a stored crank stop position, ignition is performed in a first cycle of the compression stroke cylinder upon engine start. A second start process is a process in which, based on the stored crank stop position, fuel injection is performed for an intake stroke cylinder while the engine is stopped, and based on the stored crank stop position, ignition is performed in the first cycle of the intake stroke cylinder upon engine start. When a catalyst temperature at the time engine start is requested is equal to or higher than a first threshold, a control device starts the internal combustion engine by at least one of the first start process and the second start process.
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International Classification(s)
- B60K:ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF ....
- F02M:SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBU....
- F02N:STARTING OF COMBUSTION ENGINES
- F01N:GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHIN....
- F02P:IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INT....
- F02B:INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENG....
- F02D:CONTROLLING COMBUSTION ENGINES
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