Valve Selection For An Engine Operating In A Multi-Stroke Cylinder Mode

A system, comprising:

• a hybrid-electric vehicle;
• an engine coupled in the hybrid-electric vehicle, the engine having at least a cylinder with an electrically actuated valve;
• a controller configured to:
• deactivate the cylinder by deactivating the electrically actuated valve of the cylinder;
• vary a number of strokes in a combustion cycle of the cylinder via the electrically actuated valve of the cylinder;
• and
• vary a valve pattern of the cylinder;
• wherein the variation between includes a region of operating valves in the cylinder between a first pattern during a first condition and a second pattern during a second condition.

A system, comprising

• a hybrid-electric vehicle;
• an engine coupled in the hybrid-electric vehicle, the engine having at least a first and second cylinder, each with an electrically actuated valve;
• a controller configured to:
• deactivate at least one of the cylinders by deactivating its respective electrically actuated valve;
• vary a number of strokes in a combustion cycle of at least one of the cylinders via its respective electrically actuated valve;
• and
• vary a valve pattern between the cylinders;
• wherein the variation between valve patterns includes a region of operating valves in the cylinders.