Patents by Inventor Douglas Jerome Campbell

Douglas Jerome Campbell 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).

  • Mechanically synchronized actuator and methods for synchronizing
    Patent number: 8591362
    Abstract: An actuator having a first actuating channel, having a first motor, and a second actuating channel having a second motor where the output of the first actuating channel and the output of the second actuating channel are synchronized and methods of mechanically synchronizing two outputs of a two channel actuator.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: November 26, 2013
    Assignee: GE Aviation Systems LLC
    Inventors: Shijie Liu, Douglas Jerome Campbell, Almir Oliveira Bolina
  • Breather apparatus on electromechanical actuators for aircraft landing gear systems
    Patent number: 8590836
    Abstract: An actuator system and a method for assembling the same are provided. An actuator system includes a housing and a cap. The housing includes a cavity defined by the housing and an opening defined in a wall of the housing. The housing encases an actuator within the cavity. The cap is coupled to the housing to facilitate shielding the opening from a surrounding environment.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: November 26, 2013
    Assignee: Whippany Actuation Systems, LLC
    Inventor: Douglas Jerome Campbell
  • Breather apparatus on electromechanical actuators for aircraft landing gear systems
    Patent number: 8328135
    Abstract: An actuator system and a method for assembling the same are provided. An actuator system includes a housing and a cap. The housing includes a cavity defined by the housing and an opening defined in a wall of the housing. The housing encases an actuator within the cavity. The cap is coupled to the housing to facilitate shielding the opening from a surrounding environment.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: December 11, 2012
    Assignee: General Electric Company
    Inventor: Douglas Jerome Campbell
  • BREATHER APPARATUS ON ELECTROMECHANICAL ACTUATORS FOR AIRCRAFT LANDING GEAR SYSTEMS
    Publication number: 20100077744
    Abstract: An actuator system and a method for assembling the same are provided. An actuator system includes a housing and a cap. The housing includes a cavity defined by the housing and an opening defined in a wall of the housing. The housing encases an actuator within the cavity. The cap is coupled to the housing to facilitate shielding the opening from a surrounding environment.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 1, 2010
    Inventor: Douglas Jerome Campbell