Patents by Inventor Robert R. Rogstad

Robert R. Rogstad 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).

  • Fuel system breakaway valve reaction bridge and reaction collar
    Patent number: 10501198
    Abstract: A flexible fuel bladder assembly for an aircraft includes a flexible fuel bladder positioned at an airframe and having an opening to allow a flow of fuel into and/or out of the fuel bladder. A breakaway valve is operably connected to the fuel bladder at the opening to control a flow of fuel therethrough. A non-contacting or loose fitting reaction feature is affixed to the airframe and is interactive with the breakaway valve such that movement of the breakaway valve relative to the reaction feature results in breakage of a valve body of the breakaway valve and closure of the breakaway valve to prevent flow of fuel therethrough while also allowing for a second reaction mode to cause breakage of a valve body should the connecting hose be pulled relative to the breakaway valve.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: December 10, 2019
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: Scott A. Chasen, Robert R. Rogstad, Chris John Biehl
  • FUEL SYSTEM BREAKAWAY VALVE REACTION BRIDGE AND REACTION COLLAR
    Publication number: 20170259932
    Abstract: A flexible fuel bladder assembly for an aircraft includes a flexible fuel bladder positioned at an airframe and having an opening to allow a flow of fuel into and/or out of the fuel bladder. A breakaway valve is operably connected to the fuel bladder at the opening to control a flow of fuel therethrough. A non-contacting or loose fitting reaction feature is affixed to the airframe and is interactive with the breakaway valve such that movement of the breakaway valve relative to the reaction feature results in breakage of a valve body of the breakaway valve and closure of the breakaway valve to prevent flow of fuel therethrough while also allowing for a second reaction mode to cause breakage of a valve body should the connecting hose be pulled relative to the breakaway valve.
    Type: Application
    Filed: May 6, 2015
    Publication date: September 14, 2017
    Inventors: Scott A. Chasen, Robert R. Rogstad, Chris John Biehl
  • Offset ambient level fuel feed system
    Patent number: 8881764
    Abstract: A fuel system for an aircraft includes a fuel collector downstream of a boost pump and upstream of an engine fuel pump.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: November 11, 2014
    Assignee: Sikorsky Aircraft Corporation
    Inventors: David R. Smith, Joe James Burg, Robert R. Rogstad
  • OFFSET AMBIENT LEVEL FUEL FEED SYSTEM
    Publication number: 20120111417
    Abstract: A fuel system for an aircraft includes a fuel collector downstream of a boost pump and upstream of an engine fuel pump.
    Type: Application
    Filed: December 30, 2008
    Publication date: May 10, 2012
    Inventors: David R. Smith, Joe James Burg, Robert R. Rogstad