Invention Grant
- Patent Title: Cooling fan with variable blade surface area
- Patent Title (中): 具有可变叶片表面积的冷却风扇
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Application No.: US13798113Application Date: 2013-03-13
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Publication No.: US09410557B2Publication Date: 2016-08-09
- Inventor: Chun-Chih Kuo , Che-Wei Lin
- Applicant: Acer Incorporated
- Applicant Address: TW New Taipei
- Assignee: Acer Incorporated
- Current Assignee: Acer Incorporated
- Current Assignee Address: TW New Taipei
- Agency: Jianq Chyun IP Office
- Priority: TW102100454A 20130107
- Main IPC: F04D29/30
- IPC: F04D29/30 ; F04D29/34 ; F04D29/28 ; F04D29/38 ; H05K7/20 ; G06F7/20 ; F04D27/00 ; G06F1/20
Abstract:
A fan module including a first fan, a second fan and an actuator is provided. The first fan has a first pivot portion and a plurality of first fan blades. Each first fan blade has a first blade face. The second fan has a second pivot portion and a plurality of second fan blades corresponding to the first fan blades. Each second fan blade has a second blade face. The second pivot portion is slidably disposed at a containing cavity of the first pivot portion. The actuator is adapted to drive the first fan to rotate. The first fan is adapted to drive the second fan to rotate. When the second pivot portion protrudes out of the containing cavity, a part of each of the second blade faces does not overlap with the corresponding first blade face along a direction perpendicular to the corresponding first blade face.
Public/Granted literature
- US20140193242A1 FAN MODULE Public/Granted day:2014-07-10
Information query
