Patents by Inventor Kuo-cheng Lin

Kuo-cheng Lin 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).

  • 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
  • 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
  • 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
  • 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
  • Motor structure
    Patent number: 6747385
    Abstract: A motor structure includes a stator and a rotor. The stator includes a coil assembly which includes a ring-shaped slot having an inner periphery on its inner side and an outer periphery on its outer side away from the inner periphery, a plurality of first teeth mounted around the inner periphery of the ring-shaped slot, and a plurality of second teeth mounted around the outer periphery of the ring-shaped slot; wherein each of the first teeth is arranged to partly fall behind or exceed the corresponding one of the second teeth, and a coil wound in the ring-shaped slot. The rotor includes a circular magnet located above the coil.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: June 8, 2004
    Assignee: Delta Electronics, Inc.
    Inventors: Wen-shi Huang, Kuo-cheng Lin, Chu-hsien Chou, Ming-shi Tsai
  • Blower with a plurality of impellers
    Publication number: 20040101399
    Abstract: A blower having a plurality of impellers is described. The blower has two driving devices and two impellers respectively mounted on the two driving devices. The blades of the two impellers, which are radially or axially disposed, are overlapped so as to enhance the heat-dissipating efficiency of the blower.
    Type: Application
    Filed: January 23, 2003
    Publication date: May 27, 2004
    Applicant: DELTA ELECTRONICS, INC.
    Inventors: Shun-Chen Chang, Kuo-Cheng Lin, Wen-Shi Huang
  • Heat dissipation device and its impeller thereof
    Publication number: 20040096326
    Abstract: A heat dissipation device and a blade structure thereof are employed to increase input air volume, A new impeller, mounted on the driving means, includes a hub and a plurality of rotor blades arranged around the hub. Preferably, the inner side of each rotor blades extends to a top surface and side surface of the hub. An upper edge of the rotor blades can extend axially beyond the top surface of the hub in the air inlet end for increasing the intake airflow by introducing the side airflow through the space defined between the inner edges of the plurality of rotor blades and the top surface of the hub.
    Type: Application
    Filed: April 17, 2003
    Publication date: May 20, 2004
    Inventors: Shun-Chen Chang, Kuo-Cheng Lin, Wen-Shi Huang, Po-Hao Yu
  • Heat sink with a three-dimensional curved surface
    Patent number: D490383
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: May 25, 2004
    Assignee: Delta Electronics, Inc.
    Inventors: Li-Kuang Tan, Yu-Hung Huang, Kuo-Cheng Lin, Wen-Shi Huang
  • 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