Patent ID: 7652884

Claim:
An electronic apparatus comprising: a main body enclosure; a printed circuit board unit enclosed in the main body enclosure, the printed circuit board unit including a printed wiring board and a first electronic component and a second electronic component mounted on the printed wiring board; a display enclosure coupled to the main body enclosure; and a liquid cooling unit enclosed in the main body enclosure, wherein the liquid cooling unit includes: a closed circulating loop; a first heat receiver inserted in the closed circulating loop, the first heat receiver having a first thermal conductive plate mounted on the first electronic component, the first heat receiver defining a flow passage on the first thermal conductive plate; a second heat receiver inserted in the closed circulating loop at a position downstream of the first heat receiver, the second heat receiver having a second thermal conductive plate mounted on the second electronic component, the second heat receiver defining a flow passage on the thermal conductive plate; a heat exchanger inserted in the closed circulating loop at a position downstream of the second heat receiver, and fixed onto the printed wiring board, to absorb heat from coolant flowing in the closed circulating loop; a tank inserted in the closed circulating loop at a position downstream of the heat exchanger, and fixed onto the printed wiring board to store coolant therein; and a pump inserted in the closed circulating loop at a position downstream of the tank, and fixed onto the printed wiring board, to circulate the coolant along the closed circulating loop.