Back to results
US 2018/0058409 A1Published application
Start controller for engine
AssigneeToyota Jidosha Kabushiki Kaisha
InventorHiroshi ENOMOTO
Life of this patent
Estimating the term…
Abstract
In the cases where a reverse operation of a crankshaft is performed after fuel injection and ignition in a cylinder in a power stroke and it is determined that an engine start is failed, a starter motor is operated, and fuel injection and ignition are executed in the cylinder in the compression stroke to start an engine.
Claims2
A start controller for an engine, the engine including a plurality of cylinders and a crankshaft, and the engine being a cylinder-injection engine, the start controller comprising:
- a starter motor;
- and
- an electronic control unit configured to
- execute fuel injection and ignition in a cylinder in an expansion stroke when a restart condition is established immediately before a stop of the engine,
- determine whether a reverse operation of the crankshaft has been performed after the fuel injection and the ignition in the cylinder in the expansion stroke are executed, and
- operate the starter motor and execute the fuel injection and the ignition in a cylinder in a compression stroke to start the engine, when the electronic control unit determines that the reverse operation of the crankshaft has been performed.
3 more elements
Dependencies are inferred from the claim text.