Patents by Inventor Sharath Kumar Reddy Challa

Sharath Kumar Reddy Challa 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).

  • Machine system having cooler with pack seal and header assembly for same
    Patent number: 11230964
    Abstract: A machine system includes a compressor, and a cooler having an inlet tank to receive compressed air from the compressor, and a header assembly attached to the inlet tank and including a plurality of cooling tubes supported in the header and each having an external heat exchange surface exposed to a flow of cooling air. The cooler further includes a plurality of graphite pack seals each extending peripherally around one of the cooling tubes, and a clamping assembly clamping the pack seals against the header to squeeze the pack seals into sealing contact with the cooling tubes and the header.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: January 25, 2022
    Assignee: Caterpillar Inc.
    Inventors: Dongming Tan, James McCoy Voelker, Sharath Kumar Reddy Challa, Jianlong Xu
  • MACHINE SYSTEM HAVING COOLER WITH PACK SEAL AND HEADER ASSEMBLY FOR SAME
    Publication number: 20210324786
    Abstract: A machine system includes a compressor, and a cooler having an inlet tank to receive compressed air from the compressor, and a header assembly attached to the inlet tank and including a plurality of cooling tubes supported in the header and each having an external heat exchange surface exposed to a flow of cooling air. The cooler further includes a plurality of graphite pack seals each extending peripherally around one of the cooling tubes, and a clamping assembly clamping the pack seals against the header to squeeze the pack seals into sealing contact with the cooling tubes and the header.
    Type: Application
    Filed: April 20, 2020
    Publication date: October 21, 2021
    Applicant: Caterpillar Inc.
    Inventors: Dongming Tan, James McCoy Voelker, Sharath Kumar Reddy Challa, Jianlong Xu
  • Bumper clip for tube type heat exchangers
    Patent number: 11047631
    Abstract: A heat exchanger assembly includes a frame, a plurality of tubes, and a first bumper clip attaching at least a first tube of the plurality of tubes to the frame. The first tube defines a first exterior dimension and the first bumper clip defines a first tube slot defining a first tube slot dimension that is less than the first exterior dimension of the at least first tube.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: June 29, 2021
    Assignee: Caterpillar Inc.
    Inventors: Sharath Kumar Reddy Challa, James Mccoy Voelker, Derrick D. Goss
  • BUMPER CLIP FOR TUBE TYPE HEAT EXCHANGERS
    Publication number: 20200263937
    Abstract: A heat exchanger assembly includes a frame, a plurality of tubes, and a first bumper clip attaching at least a first tube of the plurality of tubes to the frame. The first tube defines a first exterior dimension and the first bumper clip defines a first tube slot defining a first tube slot dimension that is less than the first exterior dimension of the at least first tube.
    Type: Application
    Filed: February 20, 2019
    Publication date: August 20, 2020
    Applicant: Caterpillar Inc.
    Inventors: Sharath Kumar Reddy Challa, James McCoy Voelker, Derrick D. Goss