A portable electronic device includes a casing, an electronic component disposed in the casing, and a thermal module for dissipating heat of the electronic component. The thermal module includes a heat pipe, a fin unit, and a transverse fan. The heat pipe includes an evaporating section thermally at
A portable electronic device includes a casing, an electronic component disposed in the casing, and a thermal module for dissipating heat of the electronic component. The thermal module includes a heat pipe, a fin unit, and a transverse fan. The heat pipe includes an evaporating section thermally attached to the electronic component, and a condensing section thermally attached to the fin unit. The transverse fan is arranged in the casing for generating an airflow through the electronic component and the fin unit. The transverse fan includes a rotor, and a sidewall on a floor of the casing and surrounding the rotor. The sidewall defines an air inlet and an air outlet therein. The air outlet faces to the fin unit. The air inlet faces to the electronic component.
대표청구항▼
What is claimed is: 1. A portable electronic device, comprising: a casing defining a space therein; an electronic component disposed in the space of the casing; and a thermal module comprising a heat pipe, a fin unit, and a transverse fan, the heat pipe comprising an evaporating section thermally a
What is claimed is: 1. A portable electronic device, comprising: a casing defining a space therein; an electronic component disposed in the space of the casing; and a thermal module comprising a heat pipe, a fin unit, and a transverse fan, the heat pipe comprising an evaporating section thermally attached to the electronic component to absorb heat from the electronic component during operation of the electronic component, and a condensing section thermally attached to the fin unit to dissipate the heat absorbed from the electronic component to the fin unit, the transverse fan being arranged in the casing and configured for generating an airflow to take away the heat of the fin unit, the transverse fan comprising a rotor, and a sidewall located on a floor of the casing and surrounding the rotor, the sidewall defining an air inlet and an air outlet therein, the air outlet facing toward the fin unit, the air inlet facing toward the electronic component, wherein the transverse fan further comprises a cover arranged on a top end of the sidewall for supporting the rotor, the cover abutting a roof of the casing. 2. The portable electronic device of claim 1, wherein the fin unit comprises a plurality of parallel fins, and a channel is defined between each two neighboring fins, the air inlet and the air outlet being substantially perpendicular to the channels of the fin unit. 3. The portable electronic device of claim 2, wherein the electronic component is arranged adjacent to the air inlet of the transverse fan, and is located in a flowing passage of the airflow flowing into the air inlet of the transverse fan. 4. The portable electronic device of claim 1, wherein the air inlet and the air outlet extend through the sidewall, dividing the sidewall into two spaced parts. 5. The portable electronic device of claim 1, wherein a central axis of the transverse fan is perpendicular to the floor of the casing. 6. The portable electronic device of claim 1, wherein the rotor comprises a hub, a plurality of ribs extending outwardly and radially from the hub, a first inner ring surrounding and connecting outer ends of the ribs, a plurality of blades extending outwardly from the first inner ring, and a first outer ring surrounding and connecting outer ends of the blades. 7. The portable electronic device of claim 6, wherein the first inner ring is located at bottom sides of the blades. 8. The portable electronic device of claim 7, further comprising a second inner ring connecting top sides of inner ends of the blades together, and a second outer ring surrounding and connecting the outer ends of the blades, the first and second outer rings being located at bottom and top sides of the outer ends of the blades, respectively. 9. The portable electronic device of claim 1, wherein a plurality of through holes are defined in the casing, and the fin unit is located between the through holes of the casing and the air outlet of the transverse fan. 10. A thermal module, comprising: a heat pipe comprising an evaporating section being configured for thermally attaching to an electronic component to absorb heat therefrom and a condensing section; a fin unit thermally attached to the condensing section of the heat pipe to absorb heat from the condensing section of the heat pipe; and a transverse fan for generating airflow to take away the heat of the fin unit, the transverse fan comprising a rotor, and a sidewall surrounding the rotor, the sidewall defining an air inlet and an air outlet therein, the air outlet facing toward the fin unit, wherein the rotor comprises a hub, a plurality of blades surrounding the hub, a pair of inner rings connecting top and bottom sides of inner ends of the blades together, respectively, a pair of outer rings connecting top and bottom sides of outer ends of the blades together, respectively, and a plurality of ribs extending outwardly and radially from the hub to connect with one of the inner rings. 11. The thermal module of claim 10, wherein the fin unit comprises a plurality of parallel fins, and a channel is defined between each two neighboring fins, the air inlet and the air outlet being substantially perpendicular to the channels of the fin unit. 12. The thermal module of claim 11, wherein a central axis of the transverse fan is parallel to the fins. 13. The thermal module of claim 10, wherein the transverse fan further comprises a cover arranged on a top end of the sidewall for supporting the rotor, the air inlet and the air outlet extend through the sidewall, dividing the sidewall into two spaced parts. 14. A portable electronic device, comprising: a casing defining a space therein; an electronic component disposed in the space of the casing; and a thermal module comprising a heat pipe, a fin unit, and a transverse fan, the heat pipe comprising an evaporating section thermally attached to the electronic component to absorb heat from the electronic component during operation of the electronic component, and a condensing section thermally attached to the fin unit to dissipate the heat absorbed from the electronic component to the fin unit, the transverse fan being arranged in the casing and configured for generating an airflow to take away the heat of the fin unit, the transverse fan comprising a rotor, and a sidewall located on a floor of the casing and surrounding the rotor, the sidewall defining an air inlet and an air outlet therein, the air outlet facing toward the fin unit, the air inlet facing toward the electronic component, wherein the rotor comprises a hub, a plurality of ribs extending outwardly and radially from the hub, a first inner ring surrounding and connecting outer ends of the ribs, a plurality of blades extending outwardly from the first inner ring, and a first outer ring surrounding and connecting outer ends of the blades. 15. The portable electronic device of claim 14, wherein the first inner ring is located at bottom sides of the blades. 16. The portable electronic device of claim 15, further comprising a second inner ring connecting top sides of inner ends of the blades together, and a second outer ring surrounding and connecting the outer ends of the blades, the first and second outer rings being located at bottom and top sides of the outer ends of the blades, respectively. 17. The portable electronic device of claim 14, wherein the fin unit comprises a plurality of parallel fins, and a channel is defined between each two neighboring fins, the air inlet and the air outlet being substantially perpendicular to the channels of the fin unit. 18. The portable electronic device of claim 17, wherein the electronic component is arranged adjacent to the air inlet of the transverse fan, and is located in a flowing passage of the airflow flowing into the air inlet of the transverse fan. 19. The portable electronic device of claim 14, wherein the transverse fan further comprises a cover arranged on a top end of the sidewall for supporting the rotor, the cover abutting a roof of the casing. 20. The portable electronic device of claim 14, wherein the air inlet and the air outlet extend through the sidewall, dividing the sidewall into two spaced parts.
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이 특허에 인용된 특허 (7)
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