Patents by Inventor Armando Vavalle

Armando Vavalle 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).

  • Seamless acoustic liner
    Patent number: 9273631
    Abstract: The invention relates to a method of manufacturing a composite acoustic panel employed in an inlet passage of a gas turbine engine (1). The acoustic panel comprises a permeable face-layer (8), an impermeable backing sheet (9) and a sound absorbing layer (10) disposed therebetween. The method comprises a double polymerisation process for the face-layer and the remainder of the acoustic panel and finally a perforation step to perforate the face-layer according to a pre-determined perforation distribution (11.1, 11.2, 11.3, 11.4, 11.5).
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: March 1, 2016
    Assignee: GKN Aerospace Services Limited
    Inventor: Armando Vavalle
  • SEAMLESS ACOUSTIC LINER
    Publication number: 20130075193
    Abstract: The invention relates to a method of manufacturing a composite acoustic panel employed in an inlet passage of a gas turbine engine (1). The acoustic panel comprises a permeable face-layer (8), an impermeable backing sheet (9) and a sound absorbing layer (10) disposed therebetween. The method comprises a double polymerisation process for the face-layer and the remainder of the acoustic panel and finally a perforation step to perforate the face-layer according to a pre-determined perforation distribution (11.1, 11.2, 11.3, 11.4, 11.5).
    Type: Application
    Filed: March 1, 2011
    Publication date: March 28, 2013
    Inventor: Armando Vavalle