Acer Inc.

Yu-Ming Lin

Cheng-Wen Hsieh

Wen-Neng Liao

Tsung-Ting Chen

Chun-Chieh Wang

Kuang-Hua Lin

Jau-Han Ke

Wei-Chin Chen

Shu-Hao Kuo

Hung-Chi Chen

Kuan-Lin Chen

Sheng-Yan Chen

Shun-Bin Chen

Huei-Ting Chuang

Zheng-Yan Lee

Cheng-Yu Cheng

Ming-Feng Hsieh

Chi-Tai Ho

Ju-Hsien Weng

Tzu-Hsiang Chang

Shun-Ta Yu

Chun-Hsien Chen

Chun-Hung Wen

Yen-Chou Chueh

Hui-Ping Sun

Yu-Shih Wang

Yu-Chin Huang

Jui-Yi Yu

Mao-Neng Liao

Ming-Fei Tsai

Han-Liang Huang

A heat dissipation system suitable for a portable electronic device with two heat sources includes a centrifugal fan, two heat dissipation fin sets, a gate, a first heat pipe, a second heat pipe, and a control unit. The centrifugal fan has a main outlet and a sub outlet. The heat dissipation fin sets are disposed respectively at the main outlet and the sub outlet, and the gate is disposed at the sub outlet. The first heat pipe thermally contacts the heat sources and the heat dissipation fin set located at the main outlet. The second heat pipe thermally contacts one of the heat sources and the two heat dissipation fin sets. The control unit is electrically connected to the gate to drive the gate to open or close the sub outlet based on a load of the two heat sources.

Heat dissipation system

A multi-loop cycling heat dissipation module including a first tank, a first pipe, a second tank, and a second pipe is provided. The first pipe is connected to the first tank to form a first loop, a first working fluid fills the first loop to transfer heat via phase transformation, and a first high-temperature section and a first low-temperature section are formed on the first pipe. The second pipe is connected to the second tank to form a second loop, a second working fluid fills the second loop to transfer heat via phase transformation, and a second high-temperature section and a second low-temperature section are formed on the second pipe. The first high-temperature section is in thermal contact with the second low-temperature section, and the first low-temperature section is in thermal contact with the second high-temperature section.

Multi-loop cycling heat dissipation module

A centrifugal heat dissipation fan including a housing and a blade wheel disposed in the housing is provided. The housing has two inlets on a rotation axial direction of the blade wheel and at least one outlet on a rotation radial direction of the blade wheel. The blade wheel has a hub and a plurality of metal blades disposed and surrounding to the hub. Each of the metal blades has a body, an upper bending plate and a lower bending plate, wherein the upper bending plate and the lower bending plate are movable relative to the body. An including angle of the upper bending plate relative to the body, and an including angle of the lower bending plate relative to the body are changeable along with the rotating speed of the blade wheel.

Centrifugal heat dissipation fan

A foldable electronic device, including a first body, a second body, an air valve movably disposed in the first body, at least one triggering member, and a hinge connecting the first body and the second body, is provided. The first body has multiple openings respectively located at two opposite surfaces. The triggering member is movably disposed in the first body and has a part exposed outside the first body. The air valve and the triggering member are mutually on moving paths of each other. The first body and the second body are rotated to be folded or unfolded relative to each other by the hinge. A part of the triggering member is suitable for bearing a force such that the triggering member drives the air valve, so that the air valve opens or closes the openings.

Foldable electronic device

A thermal module includes a fan and a fin assembly. The fan has an air outlet. The fin assembly has multiple fins, and is disposed to the air outlet of the fan. The fins are disposed side by side to form multiple flow channels. Each of the flow channels has a first inlet, at least one second inlet, and an outlet. In each of the flow channels, a gas flow generated by the fan flows into the flow channel from the first inlet and flows out of the flow channel from the outlet, and a gas flow outside the fin assembly is drawn by the gas flow in the flow channel to flow into the flow channel from the at least one second inlet.

Thermal module

Provided is a centrifugal heat dissipation fan including a housing and an impeller. The impeller is disposed in the housing. The impeller has a hub and multiple blades disposed surrounding the hub. Every two adjacent blades have different blade structures relative to the housing such that the blade structures pass by a fixed position of the housing and generate blade tones of varying frequencies when the impeller rotates.

A graphics card including a circuit board module, a first heat dissipation fin, and a pair of fans is provided. The circuit board module includes a circuit board and a heat source. The circuit board has first to fourth sides surrounding the heat source. The first and second sides are opposite sides. The third and fourth sides are opposite sides. The first heat dissipation fin is in thermal contact with the heat source and has multiple channels communicating with the first to fourth sides. The fans disposed on the first and second sides respectively have first flow outlets facing the first heat dissipation fin and generate flows towards the first heat dissipation fin through the first flow outlets. The flows meet and squeeze in the channels to form turbulent flows and flow out of the graphics card through the third and fourth sides respectively. A computer host is also provided.

Graphics card and computer host

A centrifugal heat dissipation fan of a portable electronic device. The centrifugal heat dissipation fan includes a hub, multiple metal blades, and at least one ring. The metal blades are disposed surrounding the hub. The metal blades include multiple radial dimensions, and the structure of the metal blade with a shorter radial dimension is a part of the structure of the metal blade with a longer radial dimension. The metal blades having different radial dimensions form at least two ring areas, and the distribution numbers of the metal blades in the at least two ring areas are different from each other. The ring surrounds the hub and connects the metal blades.

Centrifugal heat dissipation fan of portable electronic device

A graphic card assembly includes a bracket, a graphic card module, a first fin set, a centrifugal fan, a second fin set, a heat pipe set and an axial flow fan. The graphic card module is assembled to the bracket and has at least one heat source. The first fin set and the second fin set are assembled to the bracket and the first fin set thermally contacts the heat source. The centrifugal fan is disposed beside the first fin set to generate a first air flow dissipating heat from the first fin set. The heat pipe set contacts the heat source. The axial flow fan is disposed on the second fin set to generate a second air flow dissipating heat from the second fin set. The first air flow and the second air flow are separated from each other, and the second air flow passes through the bracket and the graphic card module.

Graphics card assembly

A heat dissipation system of an electronic device including a body, a plurality of heat sources disposed in the body, and at least one centrifugal heat dissipation fan disposed in the body is provided. The centrifugal heat dissipation fan includes a housing and an impeller disposed in the housing on an axis. The housing has at least one inlet on the axis and has a plurality of outlets in different radial directions, and the plurality of outlets respectively correspond to the plurality of heat sources.

Heat dissipation system of electronic device

A heat dissipation system of portable electronic device includes a body, at least one fan and at least one spacing member. At least one heat source of the portable electronic device is arranged in the body. The fan is a centrifugal fan disposed in the body. The fan has at least one flow inlet located in the axial direction and at least one flow outlet located in the radial direction. The spacing member is disposed on at least one of the body or the fan to form a stratified air flow in the body along the axial direction. The stratified air flows into the fan through the flow inlet and out of the fan through the flow outlet respectively.

Heat dissipation system of portable electronic device

A centrifugal heat dissipation fan including a housing and an impeller is provided. The housing has at least one inlet disposed along an axis and at least one first outlet and a second outlet located in different radial directions, wherein the first outlet and the second outlet are opposite to and separated from each other. The impeller is disposed in the housing along the axis. A heat dissipation system of an electronic device is also provided.

Centrifugal heat dissipation fan and heat dissipation system of electronic device

A fan is provided herein, including a housing, a hub, and a plurality of blades. The housing includes a top case and a bottom case. The hub is rotatably disposed between the top case and the bottom case in an axial direction. The blades extend from the hub in a radial direction, located between the top case and the bottom case. Each of the blades has a proximal end and a distal end. The proximal end is connected to the hub. The distal end is opposite from the proximal end, located at the other side of the blade, having at least one recessed portion. Each of the recessed portions form a passage for air.

A centrifugal heat dissipation fan including a housing and an impeller disposed in the housing on an axis is provided. The housing has at least one inlet on the axis and has a plurality of outlets in different radial directions. A heat dissipation system of an electronic device is also provided.

An electronic device includes a casing, a driven component, a magnetic component and an electromagnetic component. The casing has an outer surface, an inner surface, and an accommodating groove penetrating through the outer surface and the inner surface. The driven component is movably disposed in the accommodating groove. The magnetic component is connected to the driven component. The electromagnetic component is aligned with the magnetic component, and the magnetic component and the electromagnetic component are located at the same side of the inner surface. When the electromagnetic component isn't powered, the magnetic component and the electromagnetic component are attracted to each other, and the driven component is positioned at a first position. When the electromagnetic component is powered, the magnetic component and the electromagnetic component are repulsed to each other so as to drive the driven component to move from the first position to the second position.

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New Taipei, Taiwan

Yu-Ming Lin