AIRFLOW GENERATOR

• US 20090072637A1
• Filed: 09/13/2007
• Published: 03/19/2009
• Est. Priority Date: 09/13/2007
• Status: Abandoned Application

• Current Assignee: Forcecon Technology Co., Ltd.
• Original Assignee: Forcecon Technology Co., Ltd.
• Inventors: Chou, Te-Chang, CHANG, Liang-Sheng
• Application Number:
  US11/855,046
• Publication Number:
  US 20090072637A1
• Time in Patent Office: Days
• US Class Current: 310/36
• CPC Class Codes: F04D 33/00 Non-positive-displacement pumps with other than pure rotation, e.g. of oscillating type F04D35/00 takes precedence; hand-held fans A45B
• CPC Class Codes: H01F 7/066 Electromagnets with movable winding
• CPC Class Codes: H01F 7/14 Pivoting armatures H01F7/17 takes precedence
• CPC Class Codes: H02K 33/12 with armatures moving in alternate directions by alternate energisation of two coil systems
• CPC Class Codes: H05K 7/20172 Fan mounting or fan specifications

Abstract

The airflow generator includes a plate having a pivot and a swinging end. The invention also includes a first magnetic induced portion assembled nearby the pivot opposite to a second magnetic induced portion. With magnetic induced change, the first and second magnetic induced portions generate magnetic attraction or repulsion to drive the swinging end. The innovative airflow generator of the present invention can be applied to a compact structure and yield a satisfactory heat radiation effect and widely applied to the heat-radiating structure of various small-sized electronic devices.

Claims

1. An airflow generator, comprising:

a plate, being formed by a long flat bar of predefined thickness and having a pivot and a swinging end, said swinging end being located at a distance from said pivot;

a first magnetic induced portion, assembled at a preset location nearby said pivot; and

a second magnetic induced portion, assembled opposite to said first magnetic induced portion of said plate, wherein magnetic attraction or repulsion generated by the first and second magnetic induced portions drive said swinging end of said plate.

2. The generator defined in claim 1, further comprising:

a permanent seat, said pivot being molded onto said permanent seat.

3. The generator defined in claim 2, wherein said pivot and said permanent seat are fastened by fusion, bonding, bolting, riveting, gripping, molding or high-frequency pressing.

4. The generator defined in claim 1, wherein said first magnetic induced portion is comprised of coil, said second magnetic induced portion being comprised of a corresponding magnet, said first magnetic induced portion being linked to a controller, and wherein magnetic change of said coil of said first magnetic induced portion is controlled by said controller.

5. The generator defined in claim 1, wherein the first and second magnetic induced portions are comprised of coils, the first and second magnetic induced portions being linked to a single controller, and wherein magnetic change of said coils of the first and second magnetic induced portions are controlled by said single controller.

6. An airflow generator, comprising:

a plate, being formed by a long flat bar of predefined thickness and having a pivot and a swinging end, said swinging end being located at a distance from said pivot;

a first magnetic induced portion, assembled at a preset location nearby said pivot;

a second magnetic induced portion, assembled opposite to said first magnetic induced portion of said plate, wherein magnetic attraction or repulsion generated by the first and second magnetic induced portions drive said swinging end of said plate; and

a housing, having an inner space accommodating said pivot of said plate and an opening for penetration or alignment of said swinging end of said plate.

7. The generator defined in claim 6, further comprising:

a permanent seat, said pivot being molded onto said permanent seat, said permanent seat being assembled and positioned on a predefined location of said housing.

8. The generator defined in claim 7, wherein said pivot and said permanent seat are fastened by fusion, bonding, bolting, riveting, gripping, molding or high-frequency pressing.

9. The generator defined in claim 6, wherein said first magnetic induced portion is comprised of coil, said second magnetic induced portion being comprised of a corresponding magnet, said first magnetic induced portion being linked to a controller, and wherein magnetic change of said coil of said first magnetic induced portion is controlled by said controller.

10. The generator defined in claim 6, wherein the first and second magnetic induced portions are comprised of coils, the first and second magnetic induced portions being linked to a single controller, and wherein magnetic change of said coils of the first and second magnetic induced portions are controlled by said single controller.