Invention Grant
US07787247B2 Circuit board apparatus with induced air flow for heat dissipation 失效
具有诱导空气流散热的电路板装置

  • Patent Title: Circuit board apparatus with induced air flow for heat dissipation
  • Patent Title (中): 具有诱导空气流散热的电路板装置
  • Application No.: US11954063
    Application Date: 2007-12-11
  • Publication No.: US07787247B2
    Publication Date: 2010-08-31
  • Inventor: Tai-Sheng Han
  • Applicant: Tai-Sheng Han
  • Applicant Address: US CA Brea
  • Assignee: EVGA Corporation
  • Current Assignee: EVGA Corporation
  • Current Assignee Address: US CA Brea
  • Agency: IPxLAW Group LLP
  • Agent Claude A. S. Hamrick
  • Main IPC: H05K7/20
  • IPC: H05K7/20
Circuit board apparatus with induced air flow for heat dissipation
Abstract:
A cooling mechanism to dissipate thermal energy generated by the heat generating components of a graphics card assembly. An apparatus includes a circuit board having at least one heat generating component affixed thereto. The apparatus also includes a fan and carrier therefor including a heat sink plate having a portion thermally coupled to the heat generating component. The heat sink plate includes a means for forming at least one slot proximate the portion. The fan is adapted to direct airflow cross the portion. The thermal energy generated by the heat generating component is transferred to the fan carrier and ultimately removed from the fan carrier by the airflow. The airflow inducts a secondary airflow drawn through the slot during operation thereby to enhance transfer of the thermal energy from the heat generating component.
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