With Separate Annulus Guide Patents (Class 152/105)
Combined drive (Class 152/106)
  • Carbon seal spring retention
    Patent number: 11761352
    Abstract: A seal assembly for a turbine engine extends along a center axis and includes a seal support and a seal carrier configured to translate relative the seal support. A seal is connected to the seal carrier and a spring is disposed between the seal support and the seal carrier. A spring carrier is disposed between the spring and the seal support. A first end of the spring is connected to the spring carrier and the spring carrier is connected to the seal support. The spring includes a second end disposed opposite the first end of the spring. The second end of the spring contacts the annular seal carrier.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: September 19, 2023
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventor: Russell B. Witlicki
  • Carbon seal spring retention
    Patent number: 10718234
    Abstract: A seal assembly for a turbine engine extends along a center axis and includes a seal support and a seal carrier configured to translate relative the seal support. A seal is connected to the seal carrier and a spring is disposed between the seal support and the seal carrier. A spring carrier is disposed between the spring and the seal support. A first end of the spring is connected to the spring carrier and the spring carrier is connected to the seal support. The spring includes a second end disposed opposite the first end of the spring. The second end of the spring contacts the annular seal carrier.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: July 21, 2020
    Assignee: United Technologies Corporation
    Inventor: Russell B. Witlicki
  • Non-pneumatic tire and wheel system
    Patent number: 6698480
    Abstract: A non-pneumatic tire and wheel system comprises a tire having an exterior tread surface with a tread pattern and an interior surface. A wheel has a hub and a rim assembly. A plurality of radially oriented shock absorbing spokes each have radially interior and radially exterior ends for coupling the hub and rim assembly. Apertures through the hub allow pivotably coupling the hub to a spoke at the radially interior end of the spoke. Apertures through the rim assembly allow pivotably coupling the rim assembly to a spoke at the radially exterior end of the spoke. Each shock absorbing spoke has a central cylindrical tube with interior and exterior caps. Each spoke has an interior piston and rod and a pin. The pin pivotably couples the spoke to the hub. Each spoke has an exterior piston and rod and a pin. The pin pivotably couples the spoke to the rim assembly.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: March 2, 2004
    Inventor: Maurice H. Cornellier