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).

  • Patent number: 8905721
    Abstract: A fan control system. The fan control system has a programmable microcontroller to receive an input signal and a rotation speed signal corresponding to the actual rotation speed of the fan motor, determining an output signal according to the input signal 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. The rotation speed is in a relation of a multi-stage function to the input signal.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: December 9, 2014
    Assignee: Delta Electronics Inc.
    Inventors: Wen-Chuan Ma, Pou-Tsun Kuo, Ming-Shi Tsai, Wen-Shi Huang
  • Patent number: 8727750
    Abstract: A hot swap fan includes a fan and a puller structure. The puller structure covers a side surface of the fan. The puller structure includes a base, a holder, and a fixing structure. A first end of the base is pivoted to the fan. The holder and the fixing structure are on a second end of the base.
    Type: Grant
    Filed: November 4, 2005
    Date of Patent: May 20, 2014
    Assignee: Delta Electronics, Inc.
    Inventors: Ja-Jeng Lu, Peng-Chu Tao, Te-Tsai Chuang, Wen-Shi Huang
  • Patent number: 8702386
    Abstract: A fan includes a frame and an impeller. The impeller is disposed in the frame and the impeller has a plurality of blades. Each blade has a wing part and a flap part, and the wing part and the flap part form a predetermined angle. A blade is also disclosed.
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: April 22, 2014
    Assignee: Delta Electronics, Inc.
    Inventors: Sung-Wei Lee, Shun-Chen Chang, Wen-Shi Huang
  • Patent number: 8415851
    Abstract: A terminal element, a motor winding structure and a manufacturing method are disclosed. The terminal element includes a fixing portion, a positioning portion and a buffering portion. The fixing portion is disposed at one end of the terminal element and has a serrate fixing pattern. The fixing portion is connected with a connecting position of the motor winding bobbin. The positioning portion is disposed adjacent to the fixing portion and urged against the motor winding structure for positioning the fixing portion while it is connected with the connecting position. The buffering portion has a first bending and a second bending, and the first bending is connected to positioning portion. The buffering portion absorbs the force applied to the terminal element.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: April 9, 2013
    Assignee: Delta Electronics, Inc.
    Inventors: Wen-Shi Huang, Chin-Chu Hsu, Chun-Hua Yang, Chia-Ying Hsu
  • Patent number: 8324766
    Abstract: A heat-dissipation structure for a motor. The heat-dissipation structure comprises a shaft, a seat and a rotator. The rotator coupled to the seat by the shaft comprises a housing and a cover. The housing comprises an inner side connected to the shaft and a bottom comprising at least one through hole. The cover is connected to an exterior of the bottom of the housing and a distance is formed between the cover and the housing, so that the cover prevents objects from entering the through hole.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: December 4, 2012
    Assignee: Delta Electronics, Inc.
    Inventors: Hung-Chi Chen, Ying-Chi Chen, Te-Tsai Chuang, Kuo-Cheng Lin, Wen-Shi Huang
  • Patent number: 8167532
    Abstract: A cowling of the invention includes a cover body and an empennage connected with the cover body. The cover body includes an accommodating space for receiving an impeller, and a first opening serving as an air inlet for the impeller. According to the wind direction, the empennage will adjust the first opening to the proper position to face the wind.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: May 1, 2012
    Assignee: Delta Electronics, Inc.
    Inventors: Wei-Chun Hsu, Shun-Chen Chang, Wen-Shi Huang
  • Patent number: 8133005
    Abstract: A blower includes a housing and a plurality of impellers. The impellers are disposed in the housing, and a mutual air-gathering passage is formed between the impellers and the housing. Compared to the prior art, the mutual air-gathering passage of the blower of the present invention can collect the airflow and stabilize the airflow. Thus, the air pressure at the air outlet is increased, and the overall airflow performance is improved.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: March 13, 2012
    Assignee: Delta Electronics, Inc.
    Inventors: Wei-Chun Hsu, Shun-Chen Chang, Wen-Shi Huang
  • Patent number: 8057168
    Abstract: A fan includes an impeller and a housing. The housing includes a base portion and a sidewall portion disposed around and connected with the base portion. A plurality of first recesses are disposed at a connection between the base portion and the sidewall portion, and a rib is disposed between every two adjacent first recesses. The impeller includes a hub having a base portion and a wall portion disposed around and connected with the base portion, and a plurality of blades disposed on a circumference of an outer wall of the wall portion. A plurality of third recesses are disposed at a connection between the base portion of the hub and the wall portion, and a rib is disposed between every two adjacent third recesses. The recesses can prevent the impeller and the housing from the defects and shape deformation caused by injection molding during manufacturing processes, and enhance the structural strength.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: November 15, 2011
    Assignee: Delta Electronics, Inc.
    Inventors: Wei Chun Hsu, Shun Chen Chang, Wen Shi Huang
  • Patent number: 8029237
    Abstract: A centrifugal fan. The centrifugal fan has at least one air inlet and one air outlet, and at least one set of rotor blades. A sidewall extends downward from an inner margin of the air inlet to define an air-gathering chamber in the housing of the centrifugal fan for increasing airflow pressure and heat dissipating efficiency.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: October 4, 2011
    Assignee: Delta Electronics, Inc.
    Inventors: Shun-Chen Chang, Wen-Shi Huang
  • Patent number: 8029236
    Abstract: A heat dissipation fan includes a housing, a first rotor, a second rotor, a base and a plurality of static blades. The first rotor has a shaft and a plurality of rotor blades. The second rotor is coupled to the first rotor and has a plurality of rotor blades. The base is disposed in the housing for supporting the first and second rotors. The static blades are disposed between the housing and the base, wherein a rear portion of each static blade extends along an axial line of the heat dissipation fan for improving the working efficiency of the second rotor.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: October 4, 2011
    Assignee: Delta Electronics, Inc.
    Inventors: Shun-Chen Chang, Chia-Ming Hsu, Tsung-Yu Lei, Chin-Sheng Liu, Peng-Chu Tao, Chia-Ching Lin, Shih-Wei Huang, Ching-Chuang Mai, Wen-Shi Huang, Hsiou-Chen Chang
  • Patent number: 7988407
    Abstract: An axial fan is provided. The axial fan includes a base, a rotor, a guide and a plurality of blades. The guide connects to a guide tube to provide airflow. Each blade has a passive part and an active part, wherein the passive part is driven by the airflow from the guide to rotate the active part synchronously. The axial fan increases air quantity and decreases air pressure to provide efficient heat dissipation.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: August 2, 2011
    Assignee: Delta Electronics Inc.
    Inventors: Wei-Chun Hsu, Shun-Chen Chang, Wen-Shi Huang
  • Patent number: 7959413
    Abstract: A fan includes an impeller and a motor. The impeller includes a hub and a plurality of blades. The hub has a top portion, a connection portion, and at least one airflow-guiding portion. The top portion is connected to the connection portion. The blades are disposed around the connection portion. The motor is disposed corresponding to the impeller and used to drive the impeller to rotate. The airflow-guiding portion is disposed between two adjacent blades.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: June 14, 2011
    Assignee: Delta Electronics, Inc.
    Inventors: Shihhua Ho, Shihying Huang, Tsung Yu Lei, Chung-kai Lan, Huan-Chi Chen, Wen-Shi Huang
  • Publication number: 20110081266
    Abstract: A bearing includes an axial hole and a plurality of first grooves. The first grooves are formed on the inner wall of the bearing, and extends through the top surface and to the outer wall of the bearing. The lubricant oil originally held in the bearing can be guided to flow around the whole bearing effectively.
    Type: Application
    Filed: December 14, 2010
    Publication date: April 7, 2011
    Inventors: Wei-Chun HSU, Shun-Chen Chang, Wen-Shi Huang
  • Patent number: 7909571
    Abstract: A frame for a centrifugal fan. The frame includes an air inlet and an air outlet. A first barricade is formed on one side of the air inlet and extends outwardly, preventing impurities from entering the air inlet. A second barricade is formed on part of the periphery of the air outlet and extends outwardly and axially, contacting a guide plate of a system and reducing reflow of air.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: March 22, 2011
    Assignee: Delta Electronics, Inc.
    Inventors: Chun-Nan Wu, Kuo-Tung Hsu, Wen-Shi Huang
  • Patent number: 7909586
    Abstract: A fan includes a frame, a stator and a rotor. The stator is disposed in the frame, and the rotor is disposed in the frame and coupled with the stator. The rotor includes a connecting element, an impeller and a shaft. The connecting element has a flange. The impeller is disposed on a periphery of the connecting element. The flange is embedded with the impeller. One end of the shaft is connected to the connecting element and the impeller is rotated when the shaft rotates.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: March 22, 2011
    Assignee: Delta Electronics, Inc.
    Inventors: Po-Hao Yu, Wen-Shi Huang
  • Patent number: 7905708
    Abstract: A fan comprises an impeller and a motor. The impeller has a hub, a plurality of blades and a plurality of reinforced elements. The blades are disposed around the hub. At least one reinforced element is disposed on the active surfaces of two adjacent blades. The blades and the reinforced elements are integrally formed as a single piece. The motor connects to the impeller for driving it to rotate.
    Type: Grant
    Filed: November 27, 2006
    Date of Patent: March 15, 2011
    Assignee: Delta Electronics Inc.
    Inventors: Jui-Ting Fan, Cheng-Shu Yu, Peng-Chu Tao, Wen-Shi Huang
  • Patent number: 7874796
    Abstract: A heat dissipation module includes a housing, and a fan including an outer frame, a first rotor, a base, a second rotor and a driving device. The first rotor includes a shaft, a first hub and a plurality of first rotor blades disposed around the first hub. The base is disposed in the outer frame. The second rotor includes a plurality of second rotor blades, and is coupled to the shaft of the first rotor and disposed next to the first rotor. The driving device is supported by the base for driving the first rotor and the second rotor simultaneously.
    Type: Grant
    Filed: April 6, 2007
    Date of Patent: January 25, 2011
    Assignee: Delta Electronics Inc.
    Inventors: Shun-Chen Chang, Chia-Ming Hsu, Tsung-Yu Lei, Chin-Sheng Liu, Peng-Chu Tao, Chia-Ching Lin, Shih-Wei Huang, Ching-Chuang Mai, Wen-Shi Huang, Hsiou-Chen Chang
  • Patent number: 7868570
    Abstract: A controller of a brushless DC electric machine having a rotor and at least a stator winding powered by a driving voltage is provided. The controller includes a position sensor, an advance angle control circuit, and a driving circuit. The position sensor is moved along a reverse rotating direction of the rotor by a prepositioned angle for outputting a position signal. The advance angle control circuit receives the position signal and a driving voltage reproduction signal reproduced from the driving voltage and outputs a commutation control signal lagging the position signal by a first delay time. The driving circuit receives the commutation control signal for outputting a driving signal for controlling a commutation of the brushless DC electric machine.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: January 11, 2011
    Assignee: Delta Electronics, Inc.
    Inventors: Jian Ni, Lijian Wu, Wanbing Jin, Jianping Ying, Shih-Ming Huang, Wen-Shi Huang
  • Publication number: 20100322764
    Abstract: A cooling fan with high heat-dissipating performance includes a plurality of blades; and a frame for receiving the blades therein, wherein the frame has a reduced height for exposing the blades to outside of the frame so as to allow air to enter into the frame via a top portion and a peripheral portion of the blades to improve air introduction and heat dissipating efficiency of the cooling fan. A cover may be mounted to a top surface of the frame, and formed with a plurality of openings for allowing air to enter into the frame through the openings; such an arrangement cam effectively enhance air intake and working efficiency of the cooling fan.
    Type: Application
    Filed: August 27, 2010
    Publication date: December 23, 2010
    Inventors: Wen-Shi HUANG, Kuo-Cheng LIN, Li-Kuang TAN, Tsung-Yu LEI, Wen-Ha LIU
  • Patent number: 7852027
    Abstract: A method for testing a motor having a rotor and a winding is provided. The method includes steps of (a) providing a power to rotate the rotor to a predetermined speed, (b) removing the power, (c) measuring a terminal voltage of the winding while a current within the winding is zero, (d) obtaining a back electromotive force in the winding by compensating the terminal voltage with a performance of the rotor, (e) selecting a characteristic of the back electromotive force and (f) determining a magnetization of the motor by comparing the characteristic with a predetermined parameter.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: December 14, 2010
    Assignee: Delta Electronics, Inc.
    Inventors: Li-Jian Wu, Wan-Bing Jin, Jian-Ping Yang, Shih-Ming Huang, Wen-Shi Huang