Patent ID: 11913391
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 6:
7. The controller according to claim 1, wherein
the processing circuitry is configured to
calculate a target injection amount based on a running state of the internal combustion engine, the target injection amount being a target value of an amount of water supplied to the cylinder in the single cycle, and
calculate an allowable injection amount based on an engine rotation speed of the internal combustion engine, and

the single cycle includes a valve-closed period during which the intake valve is closed, and a valve-open period during which the intake valve is open,
the valve-open period including a reach period, and a period outside the reach period,
the allowable injection amount being an amount of water allowed to be injected by the water injection valve during the period outside the reach period, and
the reach period being a length of time for the water injected by the water injection valve to reach an inside of the cylinder.