Patents by Inventor Ching-Bai Hwang

Ching-Bai Hwang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Heat spreader with vapor chamber defined therein and method of manufacturing the same
    Patent number: 7651601
    Abstract: A heat spreader (10) and a method for manufacturing the heat spreader are disclosed. The heat spreader includes a metal casing (12) and a wick structure (16) lines an inner surface of the metal casing. The metal casing defines therein a chamber (14) and includes an evaporating section (126) and a condensing section (127). The wick structure is in the form of metal foam and occupies a portion of the chamber. In one embodiment, the wick structure has a pore size gradually increasing from the evaporating section towards the condensing section of the metal casing. The heat spreader is manufactured by electrodepositing a layer of metal coating (70) on an outer surface of a metal foam framework (20). The metal coating becomes the metal casing and the metal foam framework becomes the wick structure.
    Type: Grant
    Filed: January 9, 2006
    Date of Patent: January 26, 2010
    Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventors: Ching-Bai Hwang, Jin-Gong Meng
  • PORTABLE ELECTRONIC DEVICE
    Publication number: 20100014249
    Abstract: A portable electronic device includes a main body and a centrifugal fan. The main body includes a bottom wall, an opposite top wall and a side wall connecting the top wall with the bottom wall. The bottom wall, the top wall and the side wall cooperatively define a space in the main body. A groove is defined in the top wall for communicating the space with an outside environment of the main body. The top wall is provided with an active cover plate corresponding to the groove. The cover plate is capable of moving upwardly relative to the top wall to define an air intake between the cover plate and the top wall. A centrifugal fan is received in the space of the main body. The centrifugal fan sucks air into the space from the outside environment via the air intake and the groove.
    Type: Application
    Filed: June 10, 2009
    Publication date: January 21, 2010
    Applicant: FOXCONN TECHNOLOGY CO., LTD.
    Inventors: CHIH-HAO YANG, JUI-WEN HUNG, CHING-BAI HWANG
  • AXIAL FAN
    Publication number: 20100003131
    Abstract: An axial fan forms an air inlet on one side and an air outlet on an opposite side along an axis of the axial fan. The axial fan includes a base, a bearing, a stator and a rotor. A central tube extends upwardly from the base. The stator is around the central tube. The bearing is received in the central tube of the base. The rotor is rotatably supported by the bearing. The rotor includes a hub, a plurality of rotary blades extending outwardly from the hub, and an annular wall surrounding the rotary blades. The annular wall connects to outer ends of the rotary blades to rotate with the rotary blades to guide airflow from the air inlet to the air outlet during rotation of the rotary blades.
    Type: Application
    Filed: September 26, 2008
    Publication date: January 7, 2010
    Applicants: FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: CHING-BAI HWANG, JIE ZHANG
  • PORTABLE ELECTRONIC DEVICE INCORPORATING CENTRIFUGAL BLOWER
    Publication number: 20090303682
    Abstract: An electronic device includes a casing and a centrifugal blower. The casing includes a bottom cover and a top cover. A sidewall extends from the bottom cover towards the top cover. The centrifugal blower is surrounded by the sidewall and includes a supporting member mounted to the bottom cover, and an impeller rotatablely supported by the supporting member. The impeller includes a hub and a plurality of blades extending outwardly from the hub. Outer portions of the blades extend beyond the supporting member along a radial direction of the hub. Inner portions of the blades have a height gradually increasing along an outward direction. The outer portions have a height equal to a maximum height of the inner portions. Bottom faces of the outer portions of the blades are located below a top surface of a base plate of the supporting member.
    Type: Application
    Filed: March 3, 2009
    Publication date: December 10, 2009
    Applicants: FURUI PRECISE COMPONENT (KUNSHAN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: JR-SHIUN CHEN, CHING-BAI HWANG, ZHI-HUI ZHAO
  • CENTRIFUGAL BLOWER AND ELECTRONIC DEVICE INCORPORATING THE SAME
    Publication number: 20090290307
    Abstract: A centrifugal blower includes a housing, a stator and a rotor. The housing includes a base plate defining an air inlet therein and a sidewall extending upwardly from a periphery of the base plate. The sidewall defines an air outlet therein. The base plate includes a supporting portion disposed in the air inlet. The supporting portion protrudes downwardly beyond a bottom surface of the base plate and connects with the base plate via a plurality of ribs extending radially outwardly and upwardly from a periphery of the supporting portion toward the base plate. The stator is mounted on the supporting portion and the rotor is rotatably disposed around the stator.
    Type: Application
    Filed: December 9, 2008
    Publication date: November 26, 2009
    Applicants: FURUI PRECISE COMPONENT (KUNSHAN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: CHING-BAI HWANG, ZHI-HUI ZHAO
  • NOTEBOOK COMPUTER WITH THERMAL MODULE
    Publication number: 20090284912
    Abstract: A notebook computer (1000) includes a base (100), a cover (300), a computer printed circuit board (PCB) (200) and a centrifugal fan (40). The cover covers the base, and cooperates with the base to form a receiving space (500) therebetween. The computer PCB is received in the receiving space and mounted on the base. The centrifugal fan is received in the receiving space, and includes a stator (401) and an impeller (402), rotatable with respect to the stator. The stator includes a motor (415) and a fan PCB (405) directly attached to the base. The motor electrically connects to the fan PCB. When the impeller rotates, airflow enters the receiving space through top and bottom air inlets (304,104). The fan PCB is integrally formed with the computer PCB and has a height less than the computer PCB.
    Type: Application
    Filed: September 23, 2008
    Publication date: November 19, 2009
    Applicants: FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: NIEN-TIEN CHENG, YUNG-FA CHENG, CHING-BAI HWANG, ZHI-HUI ZHAO, RUNG-AN CHEN
  • Heat dissipation device and electronic device with the same
    Patent number: 7613000
    Abstract: A heat dissipation device includes a fan (200), a first wire collection structure (280) and a second wire collection structure (290). The fan (200) includes a frame (210) and an impeller (240) disposed in the frame (210). The first wire collection structure (280) is formed on the frame (210) to collect wires (270) of the fan (200). The second wire collection structure (290) is formed on the frame (210) and configured for collecting wires (460) of another component other than the fan (200).
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: November 3, 2009
    Assignee: Foxconn Technology Co., Ltd.
    Inventors: Jui-Wen Hung, Ching-Bai Hwang
  • PORTABLE ELECTRONIC DEVICE INCORPORATING THERMAL MODULE
    Publication number: 20090268393
    Abstract: 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.
    Type: Application
    Filed: September 23, 2008
    Publication date: October 29, 2009
    Applicants: FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: CHING-BAI HWANG, ZHI-HUI ZHAO, RAN LIN
  • NOTEBOOK COMPUTER HAVING HEAT PIPE
    Publication number: 20090268392
    Abstract: A notebook computer includes a heat-generating component, a keyboard frame made of a heat conductive material and a heat pipe having an evaporator and a condenser. The evaporator of the heat pipe is in thermal communication with the heat-generating component and the condenser is attached to the keyboard frame and away from the heat-generating component.
    Type: Application
    Filed: July 9, 2008
    Publication date: October 29, 2009
    Applicant: FOXCONN TECHNOLOGY CO., LTD.
    Inventors: NIEN-TIEN CHENG, YUNG-FA CHENG, RUNG-AN CHEN, CHENG-JEN LIANG, CHING-BAI HWANG
  • Heat dissipation device
    Patent number: 7606036
    Abstract: A heat dissipation device includes a thermal attach block (10), a heat pipe (30) thermally attached to the block, and a fin unit (90) thermally attached to the heat pipe. The block includes a curve-shaped bottom surface (124) allowing it to be thermally attached to a heat generating component (80) to absorb heat therefrom, and a top surface (122) opposite to the bottom surface. The heat pipe includes an evaporating section (32) at one end and a condensing section (34) at the other. The evaporating section can be thermally attached to the top surface of the block. The condensing section can be thermally attached to the fin unit.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: October 20, 2009
    Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventors: Ching-Bai Hwang, Jin-Gong Meng
  • Heat spreader with vapor chamber and method of manufacturing the same
    Patent number: 7603775
    Abstract: A heat spreader (100) includes a metal casing (60) formed by electrodeposition and defining a vapor chamber (40) therein, and a mesh (12b) lining an inner surface of the metal casing. A method for manufacturing the heat spreader includes: providing a core (60a) having a mesh layer (12a) including a plurality of pores and a filling material (14) filled in the pores of the mesh layer and a major space enclosed by the mesh layer; electrodepositing a layer of metal coating (60b) on an outer surface of the core; removing the filling material from the coating layer and the pores of the mesh layer; and filling a working fluid into the coating layer and hermetically sealing the coating layer to thereby obtain the heat spreader with therein a wick structure (12) formed by the mesh layer and the vapor chamber formed by said major space.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: October 20, 2009
    Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventors: Jin-Gong Meng, Ching-Bai Hwang
  • COOLING FAN IMPELLER
    Publication number: 20090257883
    Abstract: An impeller of a centrifugal fan includes a hub and a plurality of blades arranged on and around the hub. Each of the blades includes a root portion and a tip portion. The tip portion of each of the blades has a concave surface and a convex surface in rear and front sides thereof respectively. In a rotational direction of the impeller, the tip portion of a rear blade protrudes towards a front blade.
    Type: Application
    Filed: April 3, 2009
    Publication date: October 15, 2009
    Applicants: FURUI PRECISE COMPONENT (KUNSHAN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: CHING-BAI HWANG, ZHI-HUI ZHAO, RAN LIN
  • THERMAL MODULE ASSEMBLY AND HEAT SINK ASSEMBLY THEREOF
    Publication number: 20090229791
    Abstract: A thermal module assembly includes a first thermal module (10) and a second thermal module (20). The first thermal module (10) has a fan (300) with an air outlet, a first heat sink (120) positioned at the air outlet and a first clamp portion (122) formed on the first heat sink (120). The second thermal module (20) has a second heat sink (220) and a second clamp portion (222) formed on the second heat sink (220). The second heat sink (220) is juxtaposed with the first heat sink (120). The first heat sink (120) and the second heat sink (220) are combined together via engagement of the first clamp portion (122) and the second clamp portion (222) so that airflow produced by the fan (300) flows past the first heat sink (120) and the second heat sink (220) in order.
    Type: Application
    Filed: April 8, 2008
    Publication date: September 17, 2009
    Applicants: FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: JUI-WEN HUNG, CHING-BAI HWANG, JIE ZHANG
  • IMPELLER AND COOLING FAN INCORPORATING THE SAME
    Publication number: 20090196754
    Abstract: A cooling fan (10) includes a bottom plate (12) a top cover (14) covering the bottom plate, a sidewall (13) disposed between the bottom plate and the top cover, and an impeller (16) enclosed in a space formed between the bottom plate, the top cover and the sidewall. The impeller includes a hub (162), and a plurality of blades (164) radially and outwardly extending from the hub. Each of the blades includes a windward surface (164a) and a leeward surface (164b) opposite to the windward surface. The leeward surface of each blade defines three indents (171, 172, 173) therein. Two protrusions (174) are formed between adjacent indents. The uneven leeward surface is provided for lowering the noise level generated by the cooling fan during an operation thereof.
    Type: Application
    Filed: April 23, 2008
    Publication date: August 6, 2009
    Applicants: FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: CHING-BAI HWANG, ZHI-HUI ZHAO, RAN LIN
  • Heat sink
    Patent number: 7568518
    Abstract: A heat sink includes a fin unit (10) having a plurality of fins (20) parallel to each other. A flow channel (21) is formed between any of two neighboring fins for an airflow flowing therethough. Three protrusions (26, 27, 28) are arranged on each of the fins and each define a through hole (42) therein. The through hole communicates with two neighboring flow channels of the fin for the airflow flowing therethrough from one of the two neighboring flow channels to the other one of two neighboring flow channels of the fin.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: August 4, 2009
    Assignees: Furui Precise Component (Kunshan) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventors: Zhi-Jian Li, Ching-Bai Hwang
  • Thermal module
    Patent number: 7568517
    Abstract: A thermal module (10) for dissipating heat from a heat-generating electronic component (20) includes a base plate (11), a heat-dissipating fan (16) mounted to one side of the base plate, at least a heat pipe (12) mounted to another side opposite to the one side of the base plate, and a fin assembly (14) mounted to an air outlet of the heat-dissipating fan. The heat pipe includes a bending portion (124). The fin assembly includes a portion (142) corresponding to the bending portion of the heat pipe. The fins of the portion of the fin assembly are arranged along an extension direction of the bending portion of the heat pipe.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: August 4, 2009
    Assignee: Foxconn Technology Co., Ltd.
    Inventors: Ching-Bai Hwang, Jui-Wen Hung
  • Thermal module and fin assembly thereof
    Patent number: 7561417
    Abstract: A thermal module includes a centrifugal fan (10), a fin assembly (20) disposed at an air outlet of the centrifugal fan and two heat pipes (30, 40). The fin assembly includes a plurality of fins (21) connected together. Each fin has a front surface (212) and a rear surface (213) opposite the front surface. An elongated protruding member (218) is formed on the fin and protrudes from the rear surface towards the front surface. A recessed concave (219) corresponding to the protruding member is defined in the rear surface of the fin. At least one slit is defined along the protruding member and communicates with the concave. The protruding member divides the fin into first and second fin portions (20a, 20b). The two heat pipes thermally interconnect the first and second fin portions with two heat generating electronic components, respectively.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: July 14, 2009
    Assignees: Fu Zhun Precision Industry (Shen Zhen) Co., Ltd., Foxconn Technology Co., Ltd.
    Inventors: Jui-Wen Hung, Ching-Bai Hwang, Jie Zhang
  • CENTRIFUGAL BLOWER AND BOTTOM HOUSING THEREOF
    Publication number: 20090169373
    Abstract: A centrifugal blower (10) includes a bottom housing (12), a top cover (14) covering the bottom housing, and an impeller (16) and a stator accommodated in a space formed between the bottom housing and the top cover. The bottom housing includes a base plate (121), and a sidewall (122) surrounding the base plate. The sidewall includes a tongue (126) extending from the sidewall towards an inner space enclosed by an inner surface of the sidewall. The tongue is slantingly arranged with respect to a top surface (121a) of the base plate and size of a transverse section of tongue is variable changing along a height direction of the tongue.
    Type: Application
    Filed: December 27, 2007
    Publication date: July 2, 2009
    Applicants: FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: CHING-BAI HWANG, ZHI-HUI ZHAO
  • IMPELLER AND COOLING FAN USING THE SAME
    Publication number: 20090169389
    Abstract: A cooling fan (10) includes a bottom housing (12), a top cover (14) covering the bottom housing, and impeller (16) and stator accommodated in a space formed between the bottom housing and the top cover. The impeller includes a hub (162), and a plurality of blades (164) radially and outwardly extending from the hub. Each of the blades includes a windward surface (164a) and a leeward surface (164b) which has a different configuration with the windward surface. The windward surface has a tip portion selected from a group consisting of forward curved surface and planar surface. The leeward surface has a tip portion selected from a group consisting of planar surface and backward curved surface.
    Type: Application
    Filed: December 27, 2007
    Publication date: July 2, 2009
    Applicants: FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: CHING-BAI HWANG, ZHI-HUI ZHAO, RAN LIN
  • IMPELLER AND COOLING FAN INCORPORATING THE SAME
    Publication number: 20090162210
    Abstract: An impeller (10) of a cooling fan includes a hub (11) and a plurality of blades (12) radially and outwardly extending from the hub. Each of the blades includes a windward surface (127) and a leeward surface (128). A groove (124) is defined in each of the blades for guiding airflow from the windward surface to the leeward surface.
    Type: Application
    Filed: December 29, 2007
    Publication date: June 25, 2009
    Applicants: FU ZHUN PRECISION INDUSTRY (SHEN ZHEN) CO., LTD., FOXCONN TECHNOLOGY CO., LTD.
    Inventors: CHING-BAI HWANG, ZHI-HUI ZHAO