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US 2024/0200517 A1Published application
Internal combustion engine
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsYuki SUZUKI, Mina TACHIBANA, Tomihisa TSUCHIYA
Life of this patent
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Abstract
An internal combustion engine includes an injector for injecting gaseous fuel and an inflow passage. The injector includes a nozzle hole configured to inject gaseous fuel, a nozzle valve configured to open and close the nozzle hole, and a seat surface on which the nozzle valve is seated. An inflow passage for conducting blow-by gas in a crankcase into the nozzle hole.
Claims6
An internal combustion engine, comprising:
- an injector for injecting gaseous fuel, the injector including:
- a nozzle hole configured to inject gaseous fuel;
- a nozzle valve configured to open and close the nozzle hole;
- and
- a seat surface on which the nozzle valve is seated;
- and
- an inflow passage for conducting blow-by gas in a crankcase into the nozzle hole.
4 more elements
An internal combustion engine, comprising:
- an injector including:
- a nozzle hole configured to inject gaseous fuel;
- a nozzle valve configured to open and close the nozzle hole;
- and
- a seat surface on which the nozzle valve is seated,
- a supplying device configured to supply oil to the seat surface;
- and
- processing circuitry configured to control the supplying device,
- wherein the processing circuitry is configured to
- calculate a total amount of the oil evaporated from the seat surface after the supplying device stops supplying oil, and
- control the supplying device to supply oil when the total amount is greater than or equal to a threshold value.
8 more elements
Dependencies are inferred from the claim text.