Cooling device capable of reducing thickness of electronic apparatus
First Claim
Patent Images
1. A printed circuit board unit with a cooling device, comprising:
- a printed circuit board;
a ventilation fan attached to the printed circuit board, the ventilation fan including blades rotating round a rotation axis intersecting the printed circuit board;
a housing wall standing from a surface of the printed circuit board at a periphery of the ventilation fan, the housing wall defining a space for the ventilation fan, the space being covered with the printed circuit board;
an inlet defined in the printed circuit board inside the housing wall and located under the blades of the ventilation fan; and
an outlet defined in the housing wall to direct airflow in parallel with the surface of the printed circuit board.
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Accused Products
Abstract
A printed circuit board unit with a cooling device includes a printed circuit board; a ventilation fan including blades rotating around a rotation axis intersecting the printed circuit board; a housing wall standing from a surface of the printed circuit board at a periphery of the ventilation fan; an inlet defined in the printed circuit board inside the housing wall and located under the blades of the ventilation fan; and an outlet defined in the housing wall to open in parallel with the surface of the printed circuit board. An electronic apparatus is also provided which further includes an electronic component mounted on the printed circuit board.
18 Citations
18 Claims
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1. A printed circuit board unit with a cooling device, comprising:
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a printed circuit board; a ventilation fan attached to the printed circuit board, the ventilation fan including blades rotating round a rotation axis intersecting the printed circuit board; a housing wall standing from a surface of the printed circuit board at a periphery of the ventilation fan, the housing wall defining a space for the ventilation fan, the space being covered with the printed circuit board; an inlet defined in the printed circuit board inside the housing wall and located under the blades of the ventilation fan; and an outlet defined in the housing wall to direct airflow in parallel with the surface of the printed circuit board. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 16)
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12. An electronic apparatus comprising:
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a printed circuit board; an electronic component mounted on the printed circuit board; a ventilation fan attached to the printed circuit board, the ventilation fan including blades rotating around a rotation axis intersecting the printed circuit board; a housing wall standing from a surface of the printed circuit board at a periphery of the ventilation fan, the housing wall defining a space for the ventilation fan, the space being covered with the printed circuit board; an inlet defined in the printed circuit board inside the housing wall and located under the blades of the ventilation fan; and an outlet defined in the housing wall to direct airflow in parallel with the surface of the printed circuit board. - View Dependent Claims (13, 14, 15, 17, 18)
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Specification