Patents by Inventor Hongfa Chen

Hongfa Chen 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).

  • Publication number: 20240207913
    Abstract: This disclosure provides a waste battery thermal desorption treatment system. The waste battery thermal desorption treatment system includes: a rotary kiln, having a feed port, thermal desorption cavity, heating cavity, discharge port, and first exhaust port; a dust removal apparatus, including a housing with a gas inlet port and a second exhaust port, and a dust removal structure disposed in the housing configured to collect impurities in a gas exhausted from the first exhaust port; a condenser, in communication with the second exhaust port, to condense an electrolyte constituent; and an adsorption column having a defluorination agent for dry defluorination on remaining constituents in the gaseous exhaust. This disclosure resolves the problem of low recycling efficiency of waste lithium batteries in the prior art.
    Type: Application
    Filed: February 21, 2024
    Publication date: June 27, 2024
    Applicant: JEREH ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD.
    Inventors: Hongfa CHEN, Xuekong YU, Yang LIU
  • Patent number: 11154732
    Abstract: A speed-controllable lifter includes a movable plate, a fixed plate which connected with a hanging ring via a sliding rope. The movable plate is hanged on the sliding rope. A speed control device is provided in the fixed plate, having a stop hub, two stop pads, two arc-shaped stop pad supports and an adjustment means which includes an upper camshaft, a lower camshaft and an adjustment shaft arranged on the upper camshaft for adjusting an opening degree between movable ends of the two stop pad supports. A brake device is provided in the movable plate, having a brake drum, two brake pads, two arc-shaped brake pad supports and a brake means which includes a driving shaft, a driven shaft and a control bar arranged on the driving shaft for controlling a degree of the tightness of movable ends of the two brake pad supports.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: October 26, 2021
    Inventor: Hongfa Chen
  • Publication number: 20200391056
    Abstract: A speed-controllable lifter includes a movable plate, a fixed plate which connected with a hanging ring via a sliding rope. The movable plate is hanged on the sliding rope. A speed control device is provided in the fixed plate, having a stop hub, two stop pads, two arc-shaped stop pad supports and an adjustment means which includes an upper camshaft, a lower camshaft and an adjustment shaft arranged on the upper camshaft for adjusting an opening degree between movable ends of the two stop pad supports. A brake device is provided in the movable plate, having a brake drum, two brake pads, two arc-shaped brake pad supports and a brake means which includes a driving shaft, a driven shaft and a control bar arranged on the driving shaft for controlling a degree of the tightness of movable ends of the two brake pad supports.
    Type: Application
    Filed: June 14, 2019
    Publication date: December 17, 2020
    Inventor: Hongfa Chen