US Patent 11752829 Radiator

A radiator includes an upper tank and a lower tank for storing cooling water, and a core for connecting the upper tank and the lower tank to each other. The core includes a plurality of cooling water pipes for flowing the cooling water between the upper tank and the lower tank, and a plurality of fins that extend between the plurality of cooling water pipes to promote heat dissipation from the cooling water pipes. The core further includes a flow surface through which air can flow, the flow surface including a recess.