Electronically Operated Flight Control Unit for Positioning Flight Control Surfaces and for Propellant Control for Aerospace Vehicles and for Nozzle Position Control for Missiles, Automatic Valves for Fluids-Namely, Electrohydraulic Servovalves, Crashworthy Cut-Off Valves, Electrically Operated Valves for On-Off Control of Fluid Flow for Use on Aerospace and Ground Vehicles and Ground Support Equipment Therefor, Test Stands for Testing Electronic and Hydraulic Control Equipment Used on Aerospace and Ground Vehicles by Similating an Input Signal (Hydraulic, Mechanical or Electrical) to the Specific Control Equipment or the Vehicle and Measuring the Specific Control Function (e.g. Pump, Brakes, Position, Feedback) to Ascertain Proper Operation; Actuator Assemblies [, Filter Housing and Filter Elements Sold Separately and as an Assembly for Filtering Newtonian and Non-Newtonian Fluids in the Industrial, Hydraulic, Chemical Processing and Petrochemical Fields and Newtonian Fluids in the Aerospace and Marine Fields]; Parts for Aircraft and Land Vehicles-Namely, Refueling Receivers for Use in Insertion of Fuel into the Aircraft or Land Vehicle
