Patents by Inventor Chunfeng XU

Chunfeng XU 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: 12085301
    Abstract: An outdoor unit includes a pressure sensor for detecting an internal pressure of a first pipe. An outdoor unit controller is configured to: receive a switching signal; control an outdoor fan and a compressor to operate in a case where the switching signal instructs the outdoor unit to operate, the compressor operating at a first frequency; acquire a current state of the indoor fan in a case where the on signal instructs the outdoor unit to shut down; and control the compressor and the outdoor fan to operate if the current state of the indoor fan is an operating state, the compressor operating at a second frequency. The second frequency is lower than the first frequency. The current state of the indoor fan is obtained according to the internal pressure of the first pipe.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: September 10, 2024
    Assignee: HISENSE AIR CONDITIONING CO., LTD.
    Inventors: Qian Chang, Dajun Li, Chunfeng Xu, Xifeng Zhao, Lintao Wu, Wei Liu
  • Publication number: 20230104997
    Abstract: An outdoor unit includes a pressure sensor for detecting an internal pressure of a first pipe. An outdoor unit controller is configured to: receive a switching signal; control an outdoor fan and a compressor to operate in a case where the switching signal instructs the outdoor unit to operate, the compressor operating at a first frequency; acquire a current state of the indoor fan in a case where the on signal instructs the outdoor unit to shut down; and control the compressor and the outdoor fan to operate if the current state of the indoor fan is an operating state, the compressor operating at a second frequency. The second frequency is lower than the first frequency. The current state of the indoor fan is obtained according to the internal pressure of the first pipe.
    Type: Application
    Filed: October 19, 2022
    Publication date: April 6, 2023
    Applicant: HISENSE AIR CONDITIONING CO., LTD.
    Inventors: Qian CHANG, Dajun LI, Chunfeng XU, Xifeng ZHAO, Lintao WU, Wei LIU