Patents by Inventor Mihai Bogdan Dobrica

Mihai Bogdan Dobrica 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).

  • Refrigerant compressor seal arrangements
    Patent number: 11732701
    Abstract: A centrifugal compressor for HVAC application includes a rotary component rotatable about an axis, a static component, and a brush seal fixed to one of the static component and the rotary component. The brush seal includes bristles that contact the other of the static component and the rotary component.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: August 22, 2023
    Assignee: DANFOSS A/S
    Inventors: Tianlei Li, Lin Sun, Mihai Bogdan Dobrica
  • REFRIGERANT COMPRESSOR SEAL ARRANGEMENTS
    Publication number: 20210372382
    Abstract: A centrifugal compressor for HVAC application includes a rotary component rotatable about an axis, a static component, and a brush seal fixed to one of the static component and the rotary component. The brush seal includes bristles that contact the other of the static component and the rotary component.
    Type: Application
    Filed: August 13, 2021
    Publication date: December 2, 2021
    Inventors: Tianlei Li, Lin Sun, Mihai Bogdan Dobrica
  • Refrigerant compressor seal arrangements
    Patent number: 11125216
    Abstract: A centrifugal compressor for HVAC application includes a rotary component rotatable about an axis, a static component, and a brush seal fixed to one of the static component and the rotary component. The brush seal includes bristles that contact the other of the static component and the rotary component.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: September 21, 2021
    Assignee: Danfoss A/S
    Inventors: Tianlei Li, Lin Sun, Mihai Bogdan Dobrica
  • REFRIGERANT COMPRESSOR SEAL ARRANGEMENTS
    Publication number: 20200003192
    Abstract: A centrifugal compressor for HVAC application includes a rotary component rotatable about an axis, a static component, and a brush seal fixed to one of the static component and the rotary component. The brush seal includes bristles that contact the other of the static component and the rotary component.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 2, 2020
    Inventors: Tianlei Li, Lin Sun, Mihai Bogdan Dobrica