Patent ID: 7044198

Claim:
A liquid cooling system comprising: a heat-receiving element, being thermally connected with a heat-generation part; a pump for transporting a liquid to said heat-receiving element; and a radiator for receiving heat from said heat-generation part with an aid of said pump, and for radiating heat of the liquid; wherein said heat-receiving element is made up with at least one lamination plate, being formed through punching process, and said at least one lamination plate comprises a flow passage, within which the liquid communicates and is provided with a cooling fin surface area; and wherein said at least one lamination plate includes a plurality of first lamination plates having at least one hole at a central portion thereof, and a plurality of second lamination plates having an opened cut-out portion at one end thereof and a hole at an other end thereof, and said first and second lamination plates are piled up alternately, thereby forming a lamination group of an inlet side of the liquid and another lamination group of an outlet side of the liquid.