Patents by Inventor Wen-shi Huang

Wen-shi Huang 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 dissipation module with twin centrifugal fans
    Publication number: 20040207983
    Abstract: A heat dissipation module with twin centrifugal fans is described. The heat dissipation module is utilized in an electrical equipment and especially for a computer server system. The heat dissipation module has a honeycomb panel, a first fan, an air duct, a second fan and a plurality of sliding rails. The honeycomb panel connects with an outlet of the first fan and an out of the air duct in the rear side thereof. The first fan sucks hot air from the underside thereof and exhausts the hot air to the outside through the honeycomb panel. The second fan sucks hot air from the underside thereof and exhausts the hot air to the outside through the honeycomb by way of the air duct. The sliding rails configure along the two sides of the first fan and the second fan.
    Type: Application
    Filed: December 24, 2003
    Publication date: October 21, 2004
    Inventors: Cheng-Yi Lu, Te-Tsai Chuang, Kuo-Cheng Lin, Wen-Shi Huang
  • Fan protection method and apparatus
    Publication number: 20040207966
    Abstract: The present invention discloses a fan protection apparatus and related method thereof. The fan protection apparatus has a control circuit and a counter. According to the fan protection method, the user can set the acceptable restart number and the special time for auto restart. The fan protection apparatus and method can force to stop the fan when the fan encounters an abnormal situation. When the stop time has passed, the fan is automatically restarted. The present invention counts the number of restarts.
    Type: Application
    Filed: June 26, 2003
    Publication date: October 21, 2004
    Inventors: Lien-Ken Lin, Chun-Lung Chiu, Po-Tsun Kuo, Wen-Shi Huang
  • Permanent magnet stepping motor
    Publication number: 20040195921
    Abstract: A permanent magnet (PM) stepping motor includes a rotor structure and a stator. The rotor structure includes an axis, multipolar yoke stacks, and at least one spacer. Each of multipolar yoke stacks includes an N multipolar yoke, a permanent magnet and an S multipolar yoke combined as a hamburger-like structure, and each N pole of the N multipolar yoke and each S pole of the S multipolar yoke are alternately aligned. One of the spacer is sandwiched between each pair of the multipolar yoke stacks. The stator circumnavigates the axis and the multipolar yoke stacks, and provides a magnetic field for the multipolar yoke stacks to make the axis rotating. This PM stepping motor has the advantage of a minimized magnetic pole pitch and a high torque, which cannot be achieved in conventional stepping motors.
    Type: Application
    Filed: April 26, 2004
    Publication date: October 7, 2004
    Applicant: Delta Electronics, Inc.
    Inventors: Shih-Ming Huang, Huo-Chu Chen, Wen-Shi Huang
  • Miniature motor structure
    Patent number: 6787964
    Abstract: A miniature motor structure includes a stator, a circular magnet and a shift. The stator further includes a first coil seat, a coil and a second coil seat. The first coil seat includes a first bottom plate having a first central opening, a plurality of first outer teeth and a plurality of first inner teeth. The coil is formed in the first coil seat. The second coil seat includes a second bottom plate having a second central opening, a plurality of second outer teeth and a plurality of second inner teeth. Each of the second outer teeth is interposed between the adjacent first outer teeth and each of the second inner teeth is interposed between the adjacent first inner teeth. The circular magnet surrounds the stator.
    Type: Grant
    Filed: November 9, 2001
    Date of Patent: September 7, 2004
    Assignee: Delta Electronics Inc.
    Inventors: Wen-Shi Huang, Kuo-Cheng Lin, Tsu-Liang Lin, Chu Hsien Chou
  • Micro-motor with low cogging torque
    Patent number: 6781277
    Abstract: A micro-motor with low cogging torque. The micro-motor includes a stator, a rotor, first and second magnetically conductive assemblies, and a bobbin. The first and second magnetically conductive assemblies are respectively comprised of a plurality of magnetically conductive sheets stacked together. The magnetically conductive sheets are each formed with a plurality of asymmetrical salient teeth. Furthermore, at least one of the magnetically conductive sheets is disposed reversely relative to the other magnetically conductive sheets. The rotor is coupled to the stator.
    Type: Grant
    Filed: May 6, 2002
    Date of Patent: August 24, 2004
    Assignee: Delta Electronics Inc.
    Inventors: Wen-Shi Huang, Kuo-Cheng Lin, Shou Te Yu, Chin-Hao Liu
  • Composite heat-dissipating device
    Patent number: 6779992
    Abstract: A composite heat-dissipating device is provided for significantly increasing the number and size of blades so as to enhance the heat-dissipating performance. The composite heat-dissipating device is constructed by a plurality of impellers, each of which includes a plurality of blades. When the plurality of impellers are assembled together, the plurality of blades are arranged around the hub of the composite heat-dissipating device and there is an overlapped region formed between every two adjacent blades.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: August 24, 2004
    Assignee: Delta Electronics Inc.
    Inventors: Tsung-Yu Lei, Fu-Hau Tsai, Kuo-Cheng Lin, Wen-Shi Huang
  • Fan control system using a microcontroller
    Patent number: 6779981
    Abstract: A fan control system. The fan motor is operated normally at not greater than a preset maximum rotation speed. The fan control system has a programmable microcontroller to receive an input voltage and a rotation speed signal corresponding to the actual rotation speed of the fan motor, determining an output signal according to the input voltage and the rotation speed signal, and outputting the output signal; and a fan-driving unit to receive the output signal and adjusting the rotation speed for driving the fan motor according to the output signal. When the rotation speed is lower than a predetermined rotation speed, the rotation speed is in a relation of a first function to the input voltage; when the rotation speed is greater than the predetermined rotation speed, the rotation speed is in a relation of a second function to the input voltage.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: August 24, 2004
    Assignee: Delta Electronics, Inc.
    Inventors: Wen-Shi Huang, Kuo-Cheng Lin, Hsu Kuo Sung, Shou Te Yu
  • Fan with improved self-cooling capability
    Patent number: 6773239
    Abstract: A fan with improved self-cooling capability having a frame, a stator, a magnetic ring, an iron case, and a rotor blade impeller. The frame has a base for containing the stator, and the stator is provided with at least a coil. The magnetic ring is magnetically coupled to the stator, and the iron case is coupled to the magnetic ring while being provided with at least a first heat dissipation hole. The rotor blade impeller is formed on the iron case, in which at least a second heat dissipation hole aligned to the first heat dissipation hole is formed on a hub of the rotor blade impeller, and the first heat dissipation hole and the second heat dissipation hole are not formed to directly align to a position of the coil.
    Type: Grant
    Filed: March 20, 2002
    Date of Patent: August 10, 2004
    Assignee: Delta Electronics, Inc.
    Inventors: Wen-Shi Huang, Kuo-Cheng Lin, Shun-Chen Chang, Wen-Hao Liu
  • Fan housing assembly
    Publication number: 20040141840
    Abstract: A fan housing assembly includes a mounting base formed with a through hole thereon and a bushing. The bushing has a sleeve and is coupled to the mounting base by connecting the sleeve to the through hole. The mounting base and the bushing can be separately formed with predetermined materials in view of the different quality requirements before being assembled, thus resulting in lower manufacturing cost and enhanced flexibility in the fan design.
    Type: Application
    Filed: August 29, 2003
    Publication date: July 22, 2004
    Inventors: Kuo-Cheng Lin, Wen-Shi Huang
  • Heat-dissipating device and its manufacturing process
    Publication number: 20040140590
    Abstract: A heat-dissipating device and its manufacturing process are provided for significantly increasing the number and size of blades so as to enhance the heat-dissipating performance. The heat-dissipating device has a plurality of blades arranged around the hub of the heat-dissipating device and there is an overlapped region formed between every two adjacent blades. A single mold is used to manufacture such a heat-dissipating device so that not only can the manufacturing cost be reduced but it can significantly increase the number and size of blades so as to increase the heat-dissipating efficiency.
    Type: Application
    Filed: January 13, 2004
    Publication date: July 22, 2004
    Applicant: Delta Electronics Inc.
    Inventors: Chen-Chang Lin, Kuo-Cheng Lin, Wen-Shi Huang
  • Fastening structure for securing stator of motor
    Patent number: 6759772
    Abstract: A fastening structure for securing a stator of a motor includes a copper sleeve with a notch thereon and a fastener. The fastener is composed of a position section and a hook section, wherein the hook section engages with the notch and the position section presses on the top surfaces of the coil bobbin of the stator.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: July 6, 2004
    Assignee: Delta Electronics, Inc.
    Inventors: Shun-chen Chang, Kuo-cheng Lin, Wen-shi Huang
  • Rotor assembly
    Publication number: 20040126232
    Abstract: A rotor assembly includes a housing and a hub. The housing has an open end and an opposed closed end, and is formed with a raised portion in the central location of the closed end. The hub is mounted on the closed end of the housing and covers the housing except for the raised portion to construct a thin motor.
    Type: Application
    Filed: August 22, 2003
    Publication date: July 1, 2004
    Inventors: Kuo-cheng Lin, Wen-shi Huang, Hsiou-chen Chang
  • FASTENING STRUCTURE FOR SECURING STATOR OF MOTOR
    Publication number: 20040119348
    Abstract: A fastening structure for securing a stator of a motor includes a cooper sleeve with a notch thereon and a fastener. The fastener is composed of a position section and a hook section, wherein the hook section engages with the notch and the position section press on the top surfaces of the coil bobbin of the stator.
    Type: Application
    Filed: May 12, 2003
    Publication date: June 24, 2004
    Inventors: Shun-Chen Chang, Kuo-Cheng Lin, Wen-Shi Huang
  • Heat-dissipating assembly
    Publication number: 20040120115
    Abstract: A heat-dissipating assembly utilizes a heat conductor having a high thermal conductivity to stagedly and effectively dissipate the heat to the surrounding environment. The heat-dissipating assembly includes a plurality of heat portions, at least one fan being disposed on the surface or side of the heat-dissipating portions, and a heat conductor having a high thermal conductivity connected within the plurality of the heat-dissipating portions.
    Type: Application
    Filed: April 16, 2003
    Publication date: June 24, 2004
    Inventors: Wen-Shi Huang, Kuo-Cheng Lin, Li-Kuang Tan, Yu-Hung Huang
  • Heat-dissipating device
    Publication number: 20040118552
    Abstract: The invention discloses an annular heat-dissipating device formed by a plurality of fins combined together, all of which are arranged around a base, wherein one side of each of the plurality of fins is coupled to the base, respectively. The heat-dissipating device of the invention can greatly increase the heat-dissipating area so as to effectively dissipate heat generated from the electronic elements to the outside.
    Type: Application
    Filed: March 17, 2003
    Publication date: June 24, 2004
    Inventors: Wen-Shi Huang, Kuo-Cheng Lin, Li-Kuang Tan, Yu-Hung Huang
  • Hot swap fan tray with fan guard
    Patent number: 6749398
    Abstract: A hot swap fan tray with fan guard is disclosed. The present invention includes a frame, at least one fan and at least one fan guard. The frame includes a plurality of first holes. The fan includes a plurality of second holes. The fan guard further includes a plane and at least one protrusive terminal. The protrusive terminal projects from the plane and includes at least one bend. During the protrusive terminal passes through the first hole and the second hole, the bend changes shape and then returns original shape elastically, thereby the bend attaching said fan and said fan guard to said frame.
    Type: Grant
    Filed: April 21, 2003
    Date of Patent: June 15, 2004
    Assignee: Delta Electronics Inc.
    Inventors: Chow-Wen Lu, Te-Tsai Chuang, Chao-Wu Wen, Wen-Shi Huang
  • Fan frame
    Patent number: 6746205
    Abstract: A fan frame for use with a fan is provided, which includes: a frame body having a top side and a bottom side opposed to the top side; an opening formed through the top and bottom sides of the frame body, allowing a plurality of blades of the fan to be received in the opening; and at least a recessed portion formed on the frame body at a position outside the opening and connected to the opening. By rotation of the blades of the fan, air is adapted to enter via the top side of the frame body into the opening directly and also through the recessed portion into the opening, so as to facilitate air intake and wind output for the fan as well as to improve heat dissipation efficiency as the fan is mounted to an electronic device.
    Type: Grant
    Filed: September 4, 2002
    Date of Patent: June 8, 2004
    Assignee: Delta Electronics, Inc.
    Inventors: Wen-Shi Huang, Kuo-Cheng Lin, Shun-Chen Chang, Wen-Hao Liu
  • Frame of cooler
    Patent number: D492654
    Type: Grant
    Filed: July 5, 2002
    Date of Patent: July 6, 2004
    Assignee: Delta Electronics Inc.
    Inventors: Tsung-Yu Lei, Fu-Hau Tsai, Kuo-Cheng Lin, Wen-Shi Huang
  • Fan
    Patent number: D492986
    Type: Grant
    Filed: August 20, 2003
    Date of Patent: July 13, 2004
    Assignee: Delta Electronics Inc.
    Inventors: Yung-Yu Chiu, Shun-Chen Chang, Kuo-Cheng Lin, Wen-Shi Huang
  • Frame for a cooling fan
    Patent number: D494548
    Type: Grant
    Filed: July 1, 2002
    Date of Patent: August 17, 2004
    Assignee: Delta Electronics, Inc.
    Inventors: Fu-Hau Tsai, Tsung-Yu Lei, Kuo-Cheng Lin, Wen-Shi Huang