Patents by Inventor Chao-Fu YANG

Chao-Fu YANG 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).

  • Publication number: 20250250991
    Abstract: A cooling fan includes a fan blade and a frame having a central opening for receiving the fan blade. The frame includes a sidewall portion and at least one protruding portion. The sidewall portion is arranged around the central opening and has a side opening communicating with the central opening. The protruding portion extends outward from the sidewall portion, and the protruding portion covers a side of the side opening adjacent to an intake side of the central opening.
    Type: Application
    Filed: May 26, 2024
    Publication date: August 7, 2025
    Inventors: Kuo-Tung HSU, Wen-Chun HSU, Chao-Fu YANG, Min-Sen HUNG
  • Publication number: 20250215891
    Abstract: A centrifugal fan includes a housing and an impeller. A top side of the housing has a main air inlet. A bottom side of the housing has a holder, a board, and plural supporting ribs connecting the holder and the board. The holder, the board, and the supporting ribs define a first secondary air inlet and a second secondary air inlet. In the extending direction of the central axis of the impeller, the impeller projects an upper projection to the top side, and projects a lower projection to the bottom side. The size of the upper projection is greater than the size of the main air inlet. At least one portion of the outer edge of the first secondary air inlet, the outer edge of the lower projection and the central axis are arranged in sequence.
    Type: Application
    Filed: June 13, 2024
    Publication date: July 3, 2025
    Inventors: Kuo-Tung HSU, Wen-Chun HSU, Chao-Fu YANG, Shuo-Sheng HSU, Cheng-Yuan LEE
  • Patent number: 12267984
    Abstract: A heat dissipation assembly is disclosed and includes a frame and a fan. The frame includes a heat conduction channel and an airflow intake. The heat conduction channel is communication with an exterior through airflow intake. The frame includes a first plane, a second plane and an inclined plane. The first plane is disposed adjacent to the airflow intake. The inclined plane is connected between the first plane and the second plane. The second plane includes an inlet. The heat conduction channel is in communication between the airflow intake and the inlet. A cross-section area of the heat conduction channel adjacent to the airflow intake is greater than that of the heat conduction channel adjacent to the inlet. The fan is spatially corresponding to the inlet, and assembled with the frame to form an outlet in communication with the airflow intake and the heat conduction channel through the inlet.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: April 1, 2025
    Assignee: Delta Electronics, Inc.
    Inventors: Yi-Han Wang, Chao-Fu Yang, Chih-Chung Chen, Kuo-Tung Hsu, Meng-Yu Chen
  • Patent number: 12146502
    Abstract: An impeller and a fan are provided. The impeller includes a hub, a plurality of first blades, a plurality of second blades and a connecting member. The plurality of first blades are disposed around the hub separately. Each first blade is connected with a periphery of the hub. The plurality of second blades are disposed around the hub separately. Each second blade is disposed away from the periphery of the hub and located between two adjacent first blades of the plurality of first blades. The connecting member is disposed around the hub and penetrated through the plurality of first blades and the plurality of second blades. The connecting member is not in contact with a first edge of any side of each first blade. The connecting member is not in contact with a second edge of any side of each second blade.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: November 19, 2024
    Assignee: Delta Electronics, Inc.
    Inventors: Kuo-Tung Hsu, Shun-Chen Chang, Chao-Fu Yang, Li-Han Hung
  • Publication number: 20240376907
    Abstract: A fan frame includes a housing, a shaft seat, a curved rib, a plurality of first ribs, and a plurality of second ribs. The shaft seat is disposed at the center of the housing. The curved rib is disposed between the housing and the shaft seat. The first ribs extend through the curved rib and connect the shaft seat to the housing, and the second ribs connect the curved rib to the shaft seat.
    Type: Application
    Filed: June 29, 2023
    Publication date: November 14, 2024
    Inventors: Kuo-Tung HSU, Jen-Bo HUANG, Chao-Fu YANG, Yu-Lun WENG
  • Patent number: 12140157
    Abstract: A fan frame includes a housing, a shaft seat, a curved rib, a plurality of first ribs, and a plurality of second ribs. The shaft seat is disposed at the center of the housing. The curved rib is disposed between the housing and the shaft seat. The first ribs extend through the curved rib and connect the shaft seat to the housing, and the second ribs connect the curved rib to the shaft seat.
    Type: Grant
    Filed: June 29, 2023
    Date of Patent: November 12, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Kuo-Tung Hsu, Jen-Bo Huang, Chao-Fu Yang, Yu-Lun Weng
  • Patent number: 12129864
    Abstract: An impeller is provided, including a metal housing, a shaft, and a plastic member. The metal housing has a shaft mounting hole. The inner surface of the shaft mounting hole includes three or more contact points, and the contact points are closer to the shaft than other portions of the inner surface of the shaft mounting hole. The shaft passes through the shaft mounting hole and is affixed by the contact points. The metal housing divides the shaft into an upper section, a middle section, and a lower section. The plastic member passes through the shaft mounting hole and is in contact with the middle section.
    Type: Grant
    Filed: December 13, 2023
    Date of Patent: October 29, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Wei-I Ling, Chao-Fu Yang, Chih-Chung Chen, Kuo-Tung Hsu
  • Patent number: 12025143
    Abstract: A fan includes a frame, an impeller and a motor. The impeller includes a hub, a plurality of blades, first air-guiding plates and second air-guiding plates. The hub has a tapered shape. A width of the hub gradually increases along a direction from a top portion of the hub to a bottom portion of the hub. The hub has at least an air vent. The blades are disposed around an outer periphery of the hub. The first air-guiding plates and the second air-guiding plates are disposed around an inner periphery of the hub. The first air-guiding plates are arranged between two of the second air-guiding plates in staggered. The second air-guiding plates are arranged between two of the first air-guiding plates in staggered. The first air-guiding plates and the second air-guiding plates have different thicknesses, heights or shapes.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: July 2, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Shun-Chen Chang, Chao-Fu Yang, Chien-Hung Chen, Chien-Chih Huang
  • Publication number: 20240164051
    Abstract: A fan module is adapted to be disposed on a mainboard. The fan module includes a base, a stator unit, a circuit board, a first restriction structure and a second restriction structure. The base includes a mounting shaft and a base opening, wherein the mounting shaft has an axis. The mounting shaft is telescoped in the stator unit. The circuit board is coupled to the stator unit, wherein the circuit board includes a circuit board connection port. The first restriction structure restricts the circuit board, wherein the first restriction structure is arranged on the first straight line, and the first restriction structure is disposed a first distance away from the axis. The second restriction structure restricts the circuit board, wherein the second restriction structure is arranged on the second straight line, the second restriction structure is disposed a second distance away from the axis.
    Type: Application
    Filed: June 12, 2023
    Publication date: May 16, 2024
    Inventors: Kuo-Tung HSU, Wen-Chun HSU, Chao-Fu YANG, Shuo-Sheng HSU
  • Patent number: 11965522
    Abstract: An impeller includes a hub and a plurality of blades. The blades are arranged around the hub, and each blade includes a leading edge, a blade tip, a root portion, a trailing edge, a windward side and a leeward side. The windward side including a first turning point and a second turning point, a first vertical height difference is formed from the blade tip to the first turning point, and a second vertical height difference is formed from the first turning point to the second turning point, and the first vertical height difference is greater than the second vertical height difference. The impeller apparently reduces the noise.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: April 23, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Pei-Han Chiu, Chien-Ming Lee, Chung-Yuan Tsang, Chao-Fu Yang
  • Publication number: 20240110576
    Abstract: An impeller is provided, including a metal housing, a shaft, and a plastic member. The metal housing has a shaft mounting hole. The inner surface of the shaft mounting hole includes three or more contact points, and the contact points are closer to the shaft than other portions of the inner surface of the shaft mounting hole. The shaft passes through the shaft mounting hole and is affixed by the contact points. The metal housing divides the shaft into an upper section, a middle section, and a lower section. The plastic member passes through the shaft mounting hole and is in contact with the middle section.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 4, 2024
    Inventors: Wei-I LING, Chao-Fu YANG, Chih-Chung CHEN, Kuo-Tung HSU
  • FAN
    Publication number: 20240084810
    Abstract: A fan includes a fan frame and a driving device. The fan frame includes a base, a frame shell and static blades arranged on the periphery of the base. The driving device includes a stator structure and a rotor structure. The stator structure includes a stator magnetic pole group and a bushing. The rotor structure includes a bearing, a shaft, a rotor shell, a magnetic structure, a magnetic shell and blades. The shaft is connected with the rotor shell and disposed through the bearing. The stator magnetic pole group magnetically drives the magnetic structure to rotate the rotor shell. Two ends of the frame shell are configured with two turning portions, respectively. The two turning portions are disposed between parts of the frame shell with different curvatures. A curvature of the first turning portion is larger than a curvature of the second turning portion.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Shun-Chen CHANG, Chao-Fu YANG
  • Patent number: 11892007
    Abstract: An impeller is provided, including a metal housing, a shaft, and a plastic member. The metal housing has a shaft mounting hole. The inner surface of the shaft mounting hole includes three or more contact points, and the contact points are closer to the shaft than other portions of the inner surface of the shaft mounting hole. The shaft passes through the shaft mounting hole and is affixed by the contact points. The metal housing divides the shaft into an upper section, a middle section, and a lower section. The plastic member passes through the shaft mounting hole and is in contact with the middle section.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: February 6, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Wei-I Ling, Chao-Fu Yang, Chih-Chung Chen, Kuo-Tung Hsu
  • Fan
    Patent number: 11867188
    Abstract: A fan includes a fan frame and a driving device. The fan frame includes a base, a frame shell and static blades arranged on the periphery of the base. The driving device includes a stator structure and a rotor structure. The stator structure includes a stator magnetic pole group and a bushing. The rotor structure includes a bearing, a shaft, a rotor shell, a magnetic structure and blades. The shaft is connected with the rotor shell and disposed through the bearing. The stator magnetic pole group magnetically drives the magnetic structure to rotate the rotor shell. The blades are arranged on the periphery of the rotor shell. Two ends of the frame shell are configured with two turning portions, respectively. The two turning portions are disposed between parts of the frame shell with different curvatures.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: January 9, 2024
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Shun-Chen Chang, Chao-Fu Yang
  • Patent number: 11746798
    Abstract: A centrifugal fan is disclosed and includes a lower case, an impeller and an upper case. The lower case includes a bottom plate and a sidewall. The impeller is disposed on the bottom plate. The upper case is assembled with the sidewall to form an outlet. The upper case is formed by stamping and includes a first plane, an inlet and a grille. When the impeller is rotated, an airflow flowing from the inlet to the outlet is formed. The grille is protruded outwardly from the first plane, and includes a connecting frame and plural ribs. A spacing height is formed between the connecting frame and the inlet. Each rib has a first end connected to the connecting frame and a second end connected to the first plane. A pair of notches are disposed adjacent to two opposite lateral edges of the second end of the corresponding rib, respectively.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: September 5, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Kuo-Tung Hsu, Shun-Chen Chang, Wen-Chun Hsu, Chao-Fu Yang, Shuo-Sheng Hsu
  • Publication number: 20230220850
    Abstract: An impeller is provided, including a metal housing, a shaft, and a plastic member. The metal housing has a shaft mounting hole. The inner surface of the shaft mounting hole includes three or more contact points, and the contact points are closer to the shaft than other portions of the inner surface of the shaft mounting hole. The shaft passes through the shaft mounting hole and is affixed by the contact points. The metal housing divides the shaft into an upper section, a middle section, and a lower section. The plastic member passes through the shaft mounting hole and is in contact with the middle section.
    Type: Application
    Filed: March 15, 2023
    Publication date: July 13, 2023
    Inventors: Wei-I LING, Chao-Fu YANG, Chih-Chung CHEN, Kuo-Tung HSU
  • Publication number: 20230171917
    Abstract: A heat dissipation assembly is disclosed and includes a frame and a fan. The frame includes a heat conduction channel and an airflow intake. The heat conduction channel is communication with an exterior through airflow intake. The frame includes a first plane, a second plane and an inclined plane. The first plane is disposed adjacent to the airflow intake. The inclined plane is connected between the first plane and the second plane. The second plane includes an inlet. The heat conduction channel is in communication between the airflow intake and the inlet. A cross-section area of the heat conduction channel adjacent to the airflow intake is greater than that of the heat conduction channel adjacent to the inlet. The fan is spatially corresponding to the inlet, and assembled with the frame to form an outlet in communication with the airflow intake and the heat conduction channel through the inlet.
    Type: Application
    Filed: November 18, 2022
    Publication date: June 1, 2023
    Inventors: Yi-Han Wang, Chao-Fu Yang, Chih-Chung Chen, Kuo-Tung Hsu, Meng-Yu Chen
  • Patent number: D1072224
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: April 22, 2025
    Assignee: Delta Electronics, Inc.
    Inventors: Li-Han Hung, Kuo-Tung Hsu, Chao-Fu Yang, Jen-Bo Huang
  • Fan
    Patent number: D1073040
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: April 29, 2025
    Assignee: Delta Electronics, Inc.
    Inventors: Kuo-Tung Hsu, Shun-Chen Chang, Wen-Chun Hsu, Chao-Fu Yang, Shuo-Sheng Hsu
  • Fan
    Patent number: D1085395
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: July 22, 2025
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Kuo-Tung Hsu, Shun-Chen Chang, Wen-Chun Hsu, Chao-Fu Yang, Shuo-Sheng Hsu