Patents by Inventor Vasudevan Harigovindan

Vasudevan Harigovindan 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).

  • Simplified shuttle valve design with spool-sleeve assembly
    Patent number: 11927271
    Abstract: A spool-sleeve assembly includes a sleeve having a first inner radius. Flanges are integrally formed with the sleeve. The flanges extend outwardly. The flanges have flange segments via slits, disposed in the flanges. Press fittings extend inwardly from an inner wall of the sleeve proximate the ends and the slits. The sleeve has a second inner radius, smaller than the first inner radius, at the press fittings. A hole is provided through the sleeve between the flanges. The spool-sleeve assembly also includes a spool, slidably disposed inside the sleeve. Ridges outwardly extend from the spool at the ends of the spool. The ridges have outer diameters that are greater than the second inner radius. Grooves are provided in the ridges. The press fittings fit in the grooves.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: March 12, 2024
    Assignee: The Boeing Company
    Inventors: Vasudevan Harigovindan, Thulasi Krishna Rao B.
  • SIMPLIFIED SHUTTLE VALVE DESIGN WITH SPOOL-SLEEVE ASSEMBLY
    Publication number: 20220252165
    Abstract: A spool-sleeve assembly includes a sleeve having a first inner radius. Flanges are integrally formed with the sleeve. The flanges extend outwardly. The flanges have flange segments via slits, disposed in the flanges. Press fittings extend inwardly from an inner wall of the sleeve proximate the ends and the slits. The sleeve has a second inner radius, smaller than the first inner radius, at the press fittings. A hole is provided through the sleeve between the flanges. The spool-sleeve assembly also includes a spool, slidably disposed inside the sleeve. Ridges outwardly extend from the spool at the ends of the spool. The ridges have outer diameters that are greater than the second inner radius. Grooves are provided in the ridges. The press fittings fit in the grooves.
    Type: Application
    Filed: August 6, 2021
    Publication date: August 11, 2022
    Applicant: The Boeing Company
    Inventors: Vasudevan Harigovindan, Thulasi Krishna Rao B.
  • Check valve assembly having a poppet
    Patent number: 11396950
    Abstract: A poppet of a check valve includes a base, a shaft extending from the base, and a sealing head coupled to the shaft and extended away from the base by the shaft. A flow channel is defined between the base, the shaft, and the sealing head. The base includes a plurality of holes.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: July 26, 2022
    Assignee: THE BOEING COMPANY
    Inventors: Vasudevan Harigovindan, Aswin Chandar N C
  • CHECK VALVE ASSEMBLY HAVING A POPPET
    Publication number: 20210278003
    Abstract: A poppet of a check valve includes a base, a shaft extending from the base, and a sealing head coupled to the shaft and extended away from the base by the shaft. A flow channel is defined between the base, the shaft, and the sealing head. The base includes a plurality of holes.
    Type: Application
    Filed: March 4, 2020
    Publication date: September 9, 2021
    Applicant: THE BOEING COMPANY
    Inventors: Vasudevan Harigovindan, Aswin Chandar NC