Patents by Inventor Petra HUETTNER

Petra HUETTNER 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).

  • Spray nozzle and method for producing non-round spray cones
    Patent number: 9925546
    Abstract: A spray nozzle having a nozzle housing, at least one swirl chamber which is disposed in the nozzle housing, and at least one exit opening, wherein the exit opening is disposed at the end of an exit duct which emanates from the swirl chamber and widens in the direction towards the exit opening, wherein a constriction is disposed at the transition from the swirl chamber to the exit duct, and wherein the angle of the wall steadily increases in the direction towards the exit opening or in portions remains identical, in which an angle of the wall of the exit duct at the exit opening, when viewed in the circumferential direction of the exit opening, is not constant.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: March 27, 2018
    Assignee: LECHLER GMBH
    Inventors: Patrick Braun, Petra Huettner, Juergen Speier
  • SPRAY NOZZLE AND METHOD FOR PRODUCING NON-ROUND SPRAY CONES
    Publication number: 20160318047
    Abstract: A spray nozzle having a nozzle housing, at least one swirl chamber which is disposed in the nozzle housing, and at least one exit opening, wherein the exit opening is disposed at the end of an exit duct which emanates from the swirl chamber and widens in the direction towards the exit opening, wherein a constriction is disposed at the transition from the swirl chamber to the exit duct, and wherein the angle of the wall steadily increases in the direction towards the exit opening or in portions remains identical, in which an angle of the wall of the exit duct at the exit opening, when viewed in the circumferential direction of the exit opening, is not constant.
    Type: Application
    Filed: April 27, 2016
    Publication date: November 3, 2016
    Inventors: Patrick BRAUN, Petra HUETTNER, Juergen SPEIER