Patents by Inventor Razvan Nedelcu

Razvan Nedelcu 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).

  • Rotor with balancing features and balancing method
    Patent number: 11971053
    Abstract: A rotor of a fluid machine includes a wheel with a plurality of blades. Furthermore, the rotor includes an inter-blade area defined circumferentially between a first blade and a second blade of the plurality of blades with respect to the axis of rotation. Moreover, the rotor includes a balancing mark on the wheel and within the inter-blade area. The balancing mark is elongate and has a first end and a second end. The first end and the second end are stepped axially into the inter-blade area. The balancing mark extends arcuately between the first end and the second end. The balancing mark has a depth that varies as the balancing mark extends arcuately between the first end and the second end. The balancing mark has a width that varies as the balancing mark extends arcuately between the first end and the second end.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: April 30, 2024
    Assignee: GARRETT TRANSPORTATION I INC
    Inventors: Quentin Roberts, Karunakaran Ealumalai, Razvan Nedelcu, Alexandru-Silviu Stoicescu, Alexandru Danicescu, Bekir Adanir
  • ROTOR WITH BALANCING FEATURES AND BALANCING METHOD
    Publication number: 20230111525
    Abstract: A rotor of a fluid machine includes a wheel with a plurality of blades. Furthermore, the rotor includes an inter-blade area defined circumferentially between a first blade and a second blade of the plurality of blades with respect to the axis of rotation. Moreover, the rotor includes a balancing mark on the wheel and within the inter-blade area. The balancing mark is elongate and has a first end and a second end. The first end and the second end are stepped axially into the inter-blade area. The balancing mark extends arcuately between the first end and the second end. The balancing mark has a depth that varies as the balancing mark extends arcuately between the first end and the second end. The balancing mark has a width that varies as the balancing mark extends arcuately between the first end and the second end.
    Type: Application
    Filed: October 13, 2021
    Publication date: April 13, 2023
    Applicant: Garrett Transportation I Inc
    Inventors: Quentin Roberts, Karunakaran Ealumalai, Razvan Nedelcu, Alexandru Silviu Stoicescu, Alexandru Danicescu, Bekir Adanir