Patents by Inventor Pingsen DUAN

Pingsen DUAN 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).

  • Fixing device for heat exchanger
    Patent number: 10156368
    Abstract: A fixing device includes a gasket and a clip. The clip includes a clip upper portion, a clip body portion, and a clip leg portion. The clip upper portion has a width wider than the clip body portion and the clip leg portion. The clip upper portion, the clip body portion, and the clip leg portion are connected to form an open loop facing downward. The gasket includes a gasket upper portion, a gasket intermediate portion, and a gasket base portion forming an “A” shape. The gasket is compressible. The clip upper portion and the clip body portion define two receiving areas evenly distributed at two inner sides of the clip. The gasket is evenly and simultaneously compressed toward the two receiving areas of the clip while the clip moves downward without tilting or slanting.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: December 18, 2018
    Assignees: TRANE AIR CONDITIONING SYSTEMS (CHINA) CO., LTD., TRANE INTERNATIONAL INC.
    Inventors: Guangwei Rong, Pingsen Duan, Qing Yang, Weifeng Han
  • FIXING DEVICE FOR HEAT EXCHANGER
    Publication number: 20180245803
    Abstract: A fixing device includes a gasket and a clip. The clip includes a clip upper portion, a clip body portion, and a clip leg portion. The clip upper portion has a width wider than the clip body portion and the clip leg portion. The clip upper portion, the clip body portion, and the clip leg portion are connected to form an open loop facing downward. The gasket includes a gasket upper portion, a gasket intermediate portion, and a gasket base portion forming an “A” shape. The gasket is compressible. The clip upper portion and the clip body portion define two receiving areas evenly distributed at two inner sides of the clip. The gasket is evenly and simultaneously compressed toward the two receiving areas of the clip while the clip moves downward without tilting or slanting.
    Type: Application
    Filed: September 25, 2015
    Publication date: August 30, 2018
    Inventors: Guangwei RONG, Pingsen DUAN, Qing YANG, Weifeng HAN