Patent ID: 8052780

Claim:
An air cleaner comprising: a housing portion having an inlet; a filter element positioned within the housing portion; and a rain cover that extends over the inlet and is coupled to the housing portion so that the inlet opens into the rain cover, wherein the rain cover includes an opening along an underside of the rain cover to allow air to enter into the air cleaner, wherein at least a preponderance of the rain cover extends substantially no higher than the housing portion; wherein the housing portion includes a shaped wall that serves to impart a helical-type motion to at least a portion of the air that entered the air cleaner by way of the opening; wherein a seal is formed between the rain cover and the housing portion to prevent a liquid from entering into the inlet by way of a junction between the rain cover and the housing portion; and wherein the seal is a labyrinth seal that includes at least one rib that is configured to route water away from the opening.