Patents by Inventor Edgar Francisco OLIVEIRA DE JESUS

Edgar Francisco OLIVEIRA DE JESUS 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: 11796487
    Abstract: The present invention is related to technologies used to inspect flexible undersea pipes, in particular to detect flooding of the annular space in said pipes. The present invention discloses a device for detecting annular flooding with gamma transmission in a flexible pipe, comprising a structure (07), in which said structure (07) contains in its interior, a first pressure vessel (10) containing an encapsulated radioactive source (03) in its interior, a second pressure vessel (11) containing radiation sensors (04) in its interior, and a third pressure vessel (12), containing electronic means for collecting and amplifying signals (05) in its interior, in which said radiation sensors (04) are connected to the electronic means (05) for collecting and amplifying signals using an internal cable (13).
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: October 24, 2023
    Assignees: PETROLEO BRASILEIRO S.A.—PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIRO—UFRJ
    Inventors: Carla Alves Marinho Ferreira, Carlos Eduardo Maia De Souza, Edgar Francisco Oliveira De Jesus, Joao Marcio De Castilho Santos, Nei Mariano Da Fonseca Junior, Ricardo Tadeu Lopes
  • Publication number: 20210247332
    Abstract: The present invention is related to technologies used to inspect flexible undersea pipes, in particular to detect flooding of the annular space in said pipes. The present invention discloses a device for detecting annular flooding with gamma transmission in a flexible pipe, comprising a structure (07), in which said structure (07) contains in its interior, a first pressure vessel (10) containing an encapsulated radioactive source (03) in its interior, a second pressure vessel (11) containing radiation sensors (04) in its interior, and a third pressure vessel (12), containing electronic means for collecting and amplifying signals (05) in its interior, in which said radiation sensors (04) are connected to the electronic means (05) for collecting and amplifying signals using an internal cable (13).
    Type: Application
    Filed: March 12, 2020
    Publication date: August 12, 2021
    Inventors: Carla ALVES MARINHO FERREIRA, Carlos Eduardo MAIA DE SOUZA, Edgar Francisco OLIVEIRA DE JESUS, Joao Marcio DE CASTILHO SANTOS, Nei Mariano DA FONSECA JUNIOR, Ricardo TADEU LOPES