Abstract: A structure of universal coffee maker comprising a water tank, a water pump, a heating element and an extractor, which is provided with at least one one-way water way communicating with the above components in turn, wherein said water pump is connected to a controller which can set the pumping power of the water pump. Different pumping power can be set by the water pump with controller to get different water pressure, so that the pressure conditions of different kinds of universal coffee maker can be satisfied.

Abstract: A structure of universal nespresso comprising a water tank, a water pump, a heating element and an extractor, which is provided with at least one one-way water way communicating with the above components in turn, wherein said water pump is connected to a controller which can set the pumping power of the water pump. Different pumping power can be set by the water pump with controller to get different water pressure, so that the pressure conditions of different kinds of universal nespresso can be satisfied.

Abstract: A computer mainframe cooling structure includes a mounting plate adapted for fastening to the bottom side wall of a hard diskdrive in a computer mainframe, the mounting plate having at least one suction hole and a plurality of retaining holes spaced around the at least one suction hole, and at least one fan holder shell respectively fastened to the mounting plate around to hold a respective fan corresponding to the at least one suction hole for quick dissipation of heat from the hard diskdrive, the at least one fan holder shell each having a plurality of retaining hooks respectively fastened to the retaining holes of the mounting plate.

Abstract: A detachable cooling device adapted for installation in the shell of a computer mainframe to dissipate heat from the computer mainframe, including a fan case holding a fan and a positioning device adapted to secure the fan case to the shell of the computer mainframe, the fan case having a plurality of air inlets on the top side wall thereof corresponding to the fan therein, a plurality of air outlets on the front side wall thereof, two recessed receiving wall portions respectively formed integral with top and bottom side walls thereof around the air outlets for holding the positioning device, and a plurality of spring hooks respectively formed integral with the recessed receiving wall portions for engaging into respective retaining holes on the positioning device to secure the fan case to the positioning device.

Abstract: An electronic apparatus cooling device includes a casing, the casing defining a first air path and holding a fan in the first air path, a partition board mounted within the casing, the partition board having an opening in communication with the first air path, and holding a fan in a second air path defined therein, and a top plate covered on the casing, the top plate having a first suction hole sealed in air-tight communication with the first par path, and a second suction hole disposed in communication with the second air path.

Abstract: A cooling rack for notebook computer is constructed includes a base frame defining a plurality of open chambers, a cover shell covered on the base frame, the cover shell having a plurality of suction holes corresponding to the open chambers of the base frame, and a plurality of bearing blocks raised from the top side wall thereof and adapted to support a notebook computer above the top side wall of the cover shell, and a plurality of fans respectively installed in the open chambers in the base frame and controlled to induce currents in direction from the suction holes of the cover shell to the air outlet of each open chamber of the base frame for carrying heat away from the supported notebook computer.