Patents by Inventor Ramin M. Rafatpanah

Ramin M. Rafatpanah 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).

  • Patent number: 11542835
    Abstract: An assembly for use in a bearing compartment having an axis includes a bearing outer race configured to be located in the bearing compartment. The assembly further includes at least one annular spring positioned in the bearing outer race and being asymmetric in at least one of the axial direction or the circumferential direction relative to the axis to reduce the likelihood of amplification of vibration experienced by the at least one annular spring.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: January 3, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Adam G. Smedresman, Michael Winter, Ramin M. Rafatpanah
  • Publication number: 20220243616
    Abstract: An assembly for use in a bearing compartment having an axis includes a bearing outer race configured to be located in the bearing compartment. The assembly further includes at least one annular spring positioned in the bearing outer race and being asymmetric in at least one of the axial direction or the circumferential direction relative to the axis to reduce the likelihood of amplification of vibration experienced by the at least one annular spring.
    Type: Application
    Filed: January 29, 2021
    Publication date: August 4, 2022
    Applicant: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Adam G. Smedresman, Michael Winter, Ramin M. Rafatpanah
  • Patent number: 10935080
    Abstract: A sleeve for a bearing damper comprising a cylinder shaped body having a forward end opposite an aft end, the body including an interior surface opposite an exterior surface, the body configured insertable between a bearing proximate the interior surface and a housing proximate the exterior surface; a ring portion proximate the forward end, the ring portion having an outer diameter larger than a diameter of the body; and an extension portion configured to provide an active damper surface extending beyond the housing.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: March 2, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Aneil S. Hegde, Kaleb Von Berg, Daniel Rosen, Ramin M. Rafatpanah, Todd A. Davis
  • Publication number: 20200292003
    Abstract: A sleeve for a bearing damper comprising a cylinder shaped body having a forward end opposite an aft end, the body including an interior surface opposite an exterior surface, the body configured insertable between a bearing proximate the interior surface and a housing proximate the exterior surface; a ring portion proximate the forward end, the ring portion having an outer diameter larger than a diameter of the body; and an extension portion configured to provide an active damper surface extending beyond the housing.
    Type: Application
    Filed: March 14, 2019
    Publication date: September 17, 2020
    Applicant: United Technologies Corporation
    Inventors: Aneil S. Hegde, Kaleb Von Berg, Daniel Rosen, Ramin M. Rafatpanah, Todd A. Davis
  • Patent number: 10767867
    Abstract: A bearing support may include a central shaft, a flange shaft, and a tube boss. The central shaft may include a central longitudinal axis extending between a first end and a second end of the bearing support. The flange shaft may extend radially outward of the central shaft at an acute angle, relative to the central longitudinal axis from the first end to the second end, and the flange shaft may include a rim defining an aperture. The tube boss extends from the central shaft radially outward through the aperture, according to various embodiments. An annular channel may be between the rim and the tube boss.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: September 8, 2020
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Todd A. Davis, Christopher M. Valva, Daniel Rosen, Armando Amador, Aneil S. Hegde, Ramin M. Rafatpanah
  • Publication number: 20190293293
    Abstract: A bearing support may include a central shaft, a flange shaft, and a tube boss. The central shaft may include a central longitudinal axis extending between a first end and a second end of the bearing support. The flange shaft may extend radially outward of the central shaft at an acute angle, relative to the central longitudinal axis from the first end to the second end, and the flange shaft may include a rim defining an aperture. The tube boss extends from the central shaft radially outward through the aperture, according to various embodiments. An annular channel may be between the rim and the tube boss.
    Type: Application
    Filed: March 21, 2018
    Publication date: September 26, 2019
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Todd A. Davis, Christopher M. Valva, Daniel Rosen, Armando Amador, Aneil S. Hegde, Ramin M. Rafatpanah