Patents by Inventor CHUNHU LV

CHUNHU LV 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).

  • Exhaust gas after-treatment mixing device
    Patent number: 11187132
    Abstract: The present application discloses an exhaust after-treatment mixing device including a housing and a mixing assembly located within the housing. The mixing assembly includes a first space, a second space and a third space. A top portion of the first space and a top portion of the second space are both in communication with the third space. The mixing assembly is provided with a first raised portion protruding upwardly into the third space and a second raised portion located below the first raised portion. A fourth space is formed between the first raised portion and the second raised portion. As a result, the distance and time for urea evaporation are increased and the uniformity of gas flow mixing is also improved.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: November 30, 2021
    Assignee: TENNECO (SUZHOU) EMISSION SYSTEM CO., LTD.
    Inventors: Cong Wang, Shuo Li, Chunhu Lv
  • EXHAUST GAS AFTER-TREATMENT MIXING DEVICE
    Publication number: 20200332697
    Abstract: The present application discloses an exhaust after-treatment mixing device including a housing and a mixing assembly located within the housing. The mixing assembly includes a first space, a second space and a third space. A top portion of the first space and a top portion of the second space are both in communication with the third space. The mixing assembly is provided with a first raised portion protruding upwardly into the third space and a second raised portion located below the first raised portion. A fourth space is formed between the first raised portion and the second raised portion. As a result, the distance and time for urea evaporation are increased and the uniformity of gas flow mixing is also improved.
    Type: Application
    Filed: June 27, 2018
    Publication date: October 22, 2020
    Inventors: CONG WANG, SHUO LI, CHUNHU LV