Oil-gas separator assembly and internal combustion engine

An oil-gas separator assembly, comprising:

• a rotating separating section, and
• a stationary filtering section,
• wherein the rotating separating section comprises:
• a rotating member provided with a through hole for an oil-gas mixture passing through;
• a rotating skeleton fixedly arranged at an outer side of the rotating member, wherein a rotating filter element is provided in the rotating skeleton for being rotated along with the rotating skeleton;
• a connecting pipe fixedly connected to an inner side of the rotating member;
• and
• a rotating impeller fixedly connected to the rotating member and located in the connecting pipe, wherein the rotating impeller is provided for suctioning the oil-gas mixture into the oil-gas separator assembly and allowing the oil-gas mixture to pass through the oil-gas separator assembly, and
• wherein the stationary filtering section comprises:
• a housing fitted with the connecting pipe in a sealed manner;
• a stationary skeleton arranged in the housing, wherein a stationary filter element is provided in the stationary skeleton;
• and
• a vent hole provided on the housing, and an oil discharging hole provided at the bottom of the housing.