Patent ID: 11920503
Assignee: SUBARU CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A vehicle comprising:
an engine;
a catalyst configured to clean gas emitted from the engine;
an oxygen concentration detector configured to measure oxygen concentration in gas exiting the catalyst; and
a control device comprising
at least one processor, and
at least one memory coupled to the at least one processor, wherein the at least one processor is configured to perform processing comprising,
determining a condition of the engine;
prohibiting the engine from being stopped based on a determination that the engine is started and the oxygen concentration is higher than a predetermined first threshold value, and
invalidating the prohibiting in a case where the oxygen concentration is lower than or equal to a predetermined second threshold value, wherein the predetermined second threshold value is lower than the predetermined first threshold value.