Patents by Inventor HONGCAI FAN

HONGCAI FAN 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).

  • Elastic sheet used for turbine follow-up suspended steam seal belt and steam seal structure thereof
    Patent number: 10385711
    Abstract: The present invention discloses an elastic sheet used for a turbine follow-up suspended steam seal belt and a steam seal structure thereof, which comprises a plurality of elastic L-shaped metal sheets correspondingly overlapped on the same rim, one rim of the L-shaped metal sheet is a toothed rim, the toothed notches of the toothed rim extend laterally through the entire toothed rim so that the other rim of the L-shaped metal sheet can be bent longitudinally toward the toothed rim to form an arc shape; the toothed notches and the toothed tabs of the toothed rims of the plurality of L-shaped metal sheets are misoriented with each other to cover the toothed notches, and the other rim of the L-shaped metal sheet is fixed within the arc-shaped steam seal ring block along the steam seal ring teeth, the steam seal ring teeth extend out from the top of the toothed rim to seal the gap between the seal ring teeth and the turbine main shaft, and the toothed rims of the L-shaped metal sheet perform elastic beating recip
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: August 20, 2019
    Assignee: QINHUANGDAO YULIN ELECTRIC POWER EQUIPMENT CO., LTD.
    Inventor: Hongcai Fan
  • ELASTIC SHEET USED FOR TURBINE FOLLOW-UP SUSPENDED STEAM SEAL BELT AND STEAM SEAL STRUCTURE THEREOF
    Publication number: 20180258780
    Abstract: The present invention discloses an elastic sheet used for a turbine follow-up suspended steam seal belt and a steam seal structure thereof, which comprises a plurality of elastic L-shaped metal sheets correspondingly overlapped on the same rim, one rim of the L-shaped metal sheet is a toothed rim, the toothed notches of the toothed rim extend laterally through the entire toothed rim so that the other rim of the L-shaped metal sheet can be bent longitudinally toward the toothed rim to form an arc shape; the toothed notches and the toothed tabs of the toothed rims of the plurality of L-shaped metal sheets are misoriented with each other to cover the toothed notches, and the other rim of the L-shaped metal sheet is fixed within the arc-shaped steam seal ring block along the steam seal ring teeth, the steam seal ring teeth extend out from the top of the toothed rim to seal the gap between the seal ring teeth and the turbine main shaft, and the toothed rims of the L-shaped metal sheet perform elastic beating recip
    Type: Application
    Filed: January 12, 2016
    Publication date: September 13, 2018
    Inventor: HONGCAI FAN