Patent ID: 11859567
Assignee: CUMMINS INC.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 5:
6. A method of controlling a skip-fire cylinder deactivation system of an engine system, comprising:
deactivating, by a controller, a cylinder of the engine system to operate the engine system in a skip-fire mode;
determining, by the controller, an amount of lubricant on or associated with an injector needle of a cylinder of the engine system;
comparing, by the controller, the amount of lubricant on or associated with the injector needle to a threshold lubricant amount; and
in response to determining that the amount of lubricant on or associated with the injector needle is greater than the threshold lubricant amount, activating, by the controller, the cylinder.