Patents by Inventor Bor-Haw Chang

Bor-Haw Chang 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: 20230003233
    Abstract: A series fan frame body structure includes a first fan frame body, a second fan frame body and a serial connection frame body. The serial connection frame body has a first opening and a second opening. The first and second openings arranged in nonparallel to each other. The first and second fan frame bodies are respectively disposed at the first and second openings. The first and second fan frame bodies are inclined from each other. The first and second fan frame bodies are serially connected in a nonparallel form. Therefore, in the system, due to the resistance of the structure with such configuration, the audio frequency dipole structure is destructed so that the periodical noise and vibration characteristic are lowered.
    Type: Application
    Filed: September 9, 2022
    Publication date: January 5, 2023
    Inventors: Bor-Haw Chang, Yu-Tzu Chen, Chung-Shu Wang
  • Patent number: 11395568
    Abstract: A multifunctional cleaning device includes a main body, a telescopic tube body, a cleaning head set and a control unit. Multiple drive units are mounted on one side of the main body. The main body has a detection unit for detecting cleaning range and path. The telescopic tube body is telescopically connected with the main body. The telescopic tube body has a first end and a second end. The first and second ends are respectively connected with the main body and the cleaning head set in communication therewith. The control unit is disposed in the main body to execute system control and judge received signals so as to give commands to the drive units for controlling the move of the main body.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: July 26, 2022
    Assignee: Asia Vital Components Co., Ltd.
    Inventors: Mao-Lin Chen, Yu-Tzu Chen, Bor-Haw Chang
  • Patent number: 11368070
    Abstract: A flywheel energy storage fan includes a base seat, a fan electrical apparatus serving as a motor or a generator and a flywheel energy storage device having a flywheel rotary body. The base seat has a case section and a central column section disposed on the case section. The case section has a vacuumed chamber and a bearing cup disposed in the vacuumed chamber. The fan electrical apparatus has a rotational shaft. The rotational shaft is rotatably disposed in the central column section and the bearing cup. The flywheel rotary body is disposed on the rotational shaft in the vacuumed chamber. The flywheel energy storage fan is able to save electrical energy.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: June 21, 2022
    Assignee: ASIA VITAL COMPONENTS CO., LTD.
    Inventors: Bor-Haw Chang, Yu-Tzu Chen
  • Patent number: 11357128
    Abstract: A heat dissipation system with air sensation function includes a chassis, multiple fans, multiple air sensation units and an external control device connected to the fans. The chassis has an installation face for installing the fans thereon. The air sensation units are respectively disposed on the fans for detecting the air state of the corresponding fans to generate an air sensation signal. The external control device serves to receive the air sensation signal transmitted from the air sensation units and compare the data contained in the air sensation signal with preset data so as to control/adjust the rotational speed of the corresponding fans. Accordingly, a uniform airflow flows out of the fans to effectively lower the noise.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: June 7, 2022
    Assignee: Asia Vital Components Co., Ltd.
    Inventors: Bor-Haw Chang, Wen-Hao Liu
  • Patent number: 11181125
    Abstract: A fan frame body with damping structure and a fan thereof. The fan frame body includes a fan frame main body having a first opening, a second opening, a flow way and a base section. The first and second openings are respectively positioned at the upper and lower ends of the fan frame main body. The flow way is disposed between the first and second openings in communication with the first and second openings. The base section is disposed at the second opening. A bearing cup and multiple static blades are perpendicularly disposed on the base section. Two ends of the static blades are respectively connected with the base section and the fan frame main body. Multiple damping structures are annularly disposed on an inner wall of the fan frame main body. The damping structures are raised body structures or recess structures.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: November 23, 2021
    Assignee: ASIA VITAL COMPONENTS CO., LTD.
    Inventors: Bor-Haw Chang, Chung-Shu Wang
  • Patent number: 11136999
    Abstract: The present invention relates to a balance structure of a fan wheel, which comprises a hub and a plurality of blades disposed on the circumferential side of the hub. The hub has a top wall connected to a sidewall. An unbalanced portion for being removed is selectively disposed on the top wall or on the sidewall. The unbalanced portion is disposed on one side of a symmetrical axis of the hub. In this way, the weight of the fan wheel is balanced.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: October 5, 2021
    Assignee: ASIA VITAL COMPONENTS CO., LTD
    Inventors: Bor-Haw Chang, Chung-Shu Wang
  • Publication number: 20210106192
    Abstract: A multifunctional cleaning device includes a main body, a telescopic tube body, a cleaning head set and a control unit. Multiple drive units are mounted on one side of the main body. The main body has a detection unit for detecting cleaning range and path. The telescopic tube body is telescopically connected with the main body. The telescopic tube body has a first end and a second end. The first and second ends are respectively connected with the main body and the cleaning head set in communication therewith. The control unit is disposed in the main body to execute system control and judge received signals so as to give commands to the drive units for controlling the move of the main body.
    Type: Application
    Filed: October 14, 2019
    Publication date: April 15, 2021
    Inventors: Mao-Lin Chen, Yu-Tzu Chen, Bor-Haw Chang
  • Publication number: 20210044175
    Abstract: A flywheel energy storage fan includes a base seat, a fan electrical apparatus serving as a motor or a generator and a flywheel energy storage device having a flywheel rotary body. The base seat has a case section and a central column section disposed on the case section. The case section has a vacuumed chamber and a bearing cup disposed in the vacuumed chamber. The fan electrical apparatus has a rotational shaft. The rotational shaft is rotatably disposed in the central column section and the bearing cup. The flywheel rotary body is disposed on the rotational shaft in the vacuumed chamber. The flywheel energy storage fan is able to save electrical energy.
    Type: Application
    Filed: August 5, 2019
    Publication date: February 11, 2021
    Inventors: Bor-Haw Chang, Yu-Tzu Chen
  • Patent number: 10808726
    Abstract: A fan structure includes a frame body and a fan impeller. The frame body has a base seat and an annular wall. A bearing cup upward extends from a center of the base seat. At least one groove is annularly formed on inner wall face of the annular wall. The fan impeller is pivotally disposed in the bearing cup and has a hub and multiple blades outward extending from the hub. Each blade has an end edge. At least one protrusion section outward protrudes from the end edge into the groove. According to the design of the fan structure, the protrusion section can destroy the production of the vortex of the blade of the conventional fan so as to greatly minify the strength of the vortex. Therefore, the structure of the sound field of the vortex is changed so that the noise of the fan structure is lowered.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: October 20, 2020
    Assignee: ASIA VITAL COMPONENTS CO., LTD.
    Inventors: Bor-Haw Chang, Yu-Tzu Chen, Chung-Shu Wang
  • Publication number: 20200173451
    Abstract: A heat dissipation system with air sensation function includes a chassis, multiple fans, multiple air sensation units and an external control device connected to the fans. The chassis has an installation face for installing the fans thereon. The air sensation units are respectively disposed on the fans for detecting the air state of the corresponding fans to generate an air sensation signal. The external control device serves to receive the air sensation signal transmitted from the air sensation units and compare the data contained in the air sensation signal with preset data so as to control/adjust the rotational speed of the corresponding fans. Accordingly, a uniform airflow flows out of the fans to effectively lower the noise.
    Type: Application
    Filed: November 18, 2019
    Publication date: June 4, 2020
    Inventors: Bor-Haw Chang, Wen-Hao Liu
  • Patent number: 10655639
    Abstract: The present invention relates to a balance structure of a fan rotor, which comprises a fan wheel and a balancing part. The fan wheel has a hub and a plurality of blades disposed on the circumferential side of the hub. The hub has a top wall connected to a sidewall. An unbalanced portion is selectively disposed on the top wall or on the sidewall. The unbalanced portion is disposed on one side of a symmetrical axis of the hub. The balancing part is disposed at the unbalanced portion such that the fan rotor is balanced.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: May 19, 2020
    Assignee: ASIA VITAL COMPONENTS CO., LTD.
    Inventors: Bor-Haw Chang, Chung-Shu Wang
  • Patent number: 10598187
    Abstract: A heat-dissipation fan includes a rotary assembly and a plurality of rotary cylinders mounted on an outer surface of the rotary assembly to serve as cylindrical fan blades of the heat-dissipation fan. The rotary assembly includes a plurality of first electrical conducting units and a second electrical conducting unit. The rotary cylinders move along with the rotary assembly when the latter rotates and are correspondingly electrically connected to the first electrical conducting units to be rotatable about their respective centerlines.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: March 24, 2020
    Assignee: ASIA VITAL COMPONENTS CO., LTD.
    Inventors: Bor-Haw Chang, Chung-Shu Wang
  • Patent number: 10537041
    Abstract: A heat dissipation system with air sensation function includes a chassis, multiple fans, multiple air sensation units and an external control device connected to the fans. The chassis has an installation face for installing the fans thereon. The air sensation units are respectively disposed on the fans for detecting the air state of the corresponding fans to generate an air sensation signal. The external control device serves to receive the air sensation signal transmitted from the air sensation units and compare the data contained in the air sensation signal with preset data so as to control/adjust the rotational speed of the corresponding fans. Accordingly, a uniform airflow flows out of the fans to effectively lower the noise.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: January 14, 2020
    Assignee: Asia Vital Components Co., Ltd.
    Inventors: Bor-Haw Chang, Wen-Hao Liu
  • Patent number: 10511204
    Abstract: A cooling fan structure with rotational cylindrical fan vanes includes a rotary body and multiple rotational cylindrical bodies. The rotary body includes a rotor assembly and a stator assembly corresponding to the rotor assembly for driving the rotor assembly to rotate. The rotor assembly includes a hub. The hub has a top section and a circumferential section. The rotational cylindrical bodies are rotatably disposed on the top section or the circumferential section of the hub. When the rotary body rotates, the rotational cylindrical bodies are driven by the rotary body to self-rotate.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: December 17, 2019
    Assignee: ASIA VITAL COMPONENTS CO., LTD.
    Inventors: Bor-Haw Chang, Chung-Shu Wang
  • Publication number: 20190353177
    Abstract: A fan frame seat and a fan thereof. The fan frame seat includes a main body having a first open face and a second open face. A base seat is disposed on the second open face. At least one recess is formed on the second open face and positioned in the base seat. The fan includes the fan frame seat, a stator assembly and a rotor assembly. The stator assembly is fitted around the bearing cup. The rotor assembly is inserted in the bearing cup corresponding to the stator assembly. The above structure is able to resist against impact and restrain vibration.
    Type: Application
    Filed: May 21, 2018
    Publication date: November 21, 2019
    Inventors: BOR-HAW CHANG, CHUNG-SHU WANG, YU-TZU CHEN
  • Publication number: 20190346894
    Abstract: A fan signal wireless transmission system includes a system board, a first wireless signal transceiver module and at least one fan having a second wireless signal transceiver module. The first wireless signal transceiver module and the fan are mounted on the system board and connected to a power terminal and a ground terminal of the system board to obtain required power supply. The system board generates a wireless control signal that is wirelessly transmitted via the first wireless signal transceiver module to the fan, and wirelessly receives via the first wireless signal transceiver module a piece of fan information fed back by the fan to the system board. And, the fan wirelessly receives the wireless control signal and wirelessly outputs the fan information via the second wireless signal transceiver module.
    Type: Application
    Filed: May 13, 2018
    Publication date: November 14, 2019
    Inventors: BOR-HAW CHANG, SUNG-HSIEN SUN, SUNG-WEI SUN
  • Patent number: 10458435
    Abstract: A vibration damper structure and a fan thereof. The vibration damper structure includes a support body, a fixing seat and an elastic member. The support body has a lower end. The fixing seat has a tubular section. The tubular section has a protrusion end corresponding to the lower end of the support body and a receiving space. The receiving space has a bottom section. The elastic member is disposed in the receiving space of the tubular section and positioned between the support body and the fixing seat. Two ends of the elastic member are respectively in contact with the lower end of the support body and the bottom section of the receiving space. The vibration damper structure is applied to the fan to greatly reduce the vibration of the fan in operation.
    Type: Grant
    Filed: January 8, 2017
    Date of Patent: October 29, 2019
    Assignee: ASIA VITAL COMPONENTS CO., LTD.
    Inventors: Bor-Haw Chang, Yu-Tzu Chen, Chung-Shu Wang
  • Publication number: 20190323523
    Abstract: A fan frame body with damping structure and a fan thereof. The fan frame body includes a fan frame main body having a first opening, a second opening, a flow way and a base section. The first and second openings are respectively positioned at the upper and lower ends of the fan frame main body. The flow way is disposed between the first and second openings in communication with the first and second openings. The base section is disposed at the second opening. A bearing cup and multiple static blades are perpendicularly disposed on the base section. Two ends of the static blades are respectively connected with the base section and the fan frame main body. Multiple damping structures are annularly disposed on an inner wall of the fan frame main body. The damping structures are raised body structures or recess structures.
    Type: Application
    Filed: April 23, 2018
    Publication date: October 24, 2019
    Inventors: Bor-Haw Chang, Chung-Shu Wang
  • Patent number: 10428839
    Abstract: A vibration damper structure and a series fan thereof. The vibration damper structure includes a first support body, a second support body and an elastic member. The first support body has a first upper end and a first lower end. The second support body has a second upper end and a second lower end. The elastic member is disposed between the first and second support bodies. The elastic member has a first support end in contact with the first lower end and a second support end in contact with the second lower end. The vibration damper structure is applied to the series fan to greatly reduce the vibration of the series fan in operation.
    Type: Grant
    Filed: January 8, 2017
    Date of Patent: October 1, 2019
    Assignee: ASIA VITAL COMPONENTS CO., LTD.
    Inventors: Bor-Haw Chang, Yu-Tzu Chen, Chung-Shu Wang
  • Patent number: 10415570
    Abstract: A fan frame body with bypass structure and a fan thereof. The fan includes a first fan, a second fan and a bypass structure. The second fan has a second frame body correspondingly serially connected with a first frame body of the first fan, whereby a first flow way of the first frame body communicates with a second flow way of the second frame body. The bypass structure is disposed in the first flow way or the second flow way. The bypass structure defines a bypass flow way on a circumference of the first flow way or the second flow way. By means of the bypass structure, without increasing the size of the fan and without increasing the consumed power of the fan, the air volume of the fan can be enhanced.
    Type: Grant
    Filed: November 13, 2016
    Date of Patent: September 17, 2019
    Assignee: Asia Vital Components Co., Ltd.
    Inventors: Bor-Haw Chang, Yu-Tzu Chen, Chung-Shu Wang