Patents by Inventor Mitchell D. Panton

Mitchell D. Panton 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).

  • Hybrid seal dual runner
    Patent number: 11879396
    Abstract: A turbomachine has a bearing in a bearing compartment. A first seal system isolates the bearing compartment and has: a first runner; a second runner; an inner seal encircling the first runner; and an outer seal encircling the second runner. The inner seal has a static clearance with the first runner. The outer seal has a static clearance with the second runner, greater than the inner seal static clearance. The first runner has an inner portion cantilevered inward. The second runner has an outer portion cantilevered outward.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: January 23, 2024
    Assignee: RTX Corporation
    Inventors: Michael A Beinor, Timothy J. Castaldo, Christopher M. Valva, Nasr A. Shuaib, Mitchell D. Panton
  • Hybrid Seal Dual Runner
    Publication number: 20230304443
    Abstract: A turbomachine has a bearing in a bearing compartment. A first seal system isolates the bearing compartment and has: a first runner; a second runner; an inner seal encircling the first runner; and an outer seal encircling the second runner. The inner seal has a static clearance with the first runner. The outer seal has a static clearance with the second runner, greater than the inner seal static clearance. The first runner has an inner portion cantilevered inward. The second runner has an outer portion cantilevered outward.
    Type: Application
    Filed: November 22, 2022
    Publication date: September 28, 2023
    Applicant: Raytheon Technologies Corporation
    Inventors: Michael A. Beinor, Timothy J. Castaldo, Christopher M. Valva, Nasr A. Shuaib, Mitchell D. Panton
  • Hybrid seal dual runner
    Patent number: 11549444
    Abstract: A turbomachine has a bearing in a bearing compartment. A first seal system isolates the bearing compartment and has: a first runner; a second runner; an inner seal encircling the first runner; and an outer seal encircling the second runner. The inner seal has a static clearance with the first runner. The outer seal has a static clearance with the second runner, greater than the inner seal static clearance. The first runner has an inner portion cantilevered inward. The second runner has an outer portion cantilevered outward.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: January 10, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Michael A. Beinor, Timothy J. Castaldo, Christopher M. Valva, Nasr A. Shuaib, Mitchell D. Panton
  • Hybrid Seal Dual Runner
    Publication number: 20220252013
    Abstract: A turbomachine has a bearing in a bearing compartment. A first seal system isolates the bearing compartment and has: a first runner; a second runner; an inner seal encircling the first runner; and an outer seal encircling the second runner. The inner seal has a static clearance with the first runner. The outer seal has a static clearance with the second runner, greater than the inner seal static clearance. The first runner has an inner portion cantilevered inward. The second runner has an outer portion cantilevered outward.
    Type: Application
    Filed: February 5, 2021
    Publication date: August 11, 2022
    Applicant: Raytheon Technologies Corporation
    Inventors: Michael A. Beinor, Timothy J. Castaldo, Christopher M. Valva, Nasr A. Shuaib, Mitchell D. Panton