Patents by Inventor Panpan HENG

Panpan HENG 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: 11732623
    Abstract: A muffler includes a housing and a partition member. The housing includes a cavity, a gas inlet, and a gas outlet. The gas inlet and the gas outlet are respectively in communication with the cavity. The partition member is disposed in the housing. The partition member partitions the cavity into a resonant cavity and a muffling cavity that are isolated from each other. The resonant cavity is in communication only with the gas inlet. The muffling cavity is in communication with both the gas inlet and the gas outlet.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: August 22, 2023
    Assignee: GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD. OF ZHUHAI
    Inventors: Panpan Heng, Chuanshun Huang
  • Publication number: 20210215146
    Abstract: The present disclosure provides a muffler, a compressor assembly, and a refrigerator. The muffler includes a housing and a partition member. The housing includes a cavity, a gas inlet, and a gas outlet. The gas inlet and the gas outlet are respectively in communication with the cavity. The partition member is disposed in the housing. The partition member partitions the cavity into a resonant cavity and a muffling cavity that are isolated from each other. The resonant cavity is in communication only with the gas inlet. The muffling cavity is in communication with both the gas inlet and the gas outlet. The technical solutions of the present disclosure effectively resolve the problem in prior art that a muffler having a simple chamber structure cannot effectively, simultaneously reduce noise in different frequency ranges.
    Type: Application
    Filed: December 12, 2018
    Publication date: July 15, 2021
    Inventors: Panpan HENG, Chuanshun HUANG