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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Phase shift data transmission system with pseudo-noise synchronization code modulated with digital data into single channel for spacecraft communication
Variable time constant, wide frequency range smoothing network for noise removal from pulse chains
Flexible rocket motor nozzle closure device to aid ignition and protect rocket chamber from foreign objects
Automatic baseline stabilization for ionization detector used in gas chromatograph
Regenerative cooling system for small rocket engine having restart capability and using noncryogenic hypergolic propellants
Apparatus for testing metallic and nonmetallic beams or rods by bending at high temperatures in vacuum or inert atmosphere
Positive displacement flowmeter for measuring extremely low flows of fluid with self calibrating features
Apparatus for measuring human body mass in zero or reduced gravity environment
Fatigue testing device applying random discrete load levels to test specimen and applicable to aircraft structures
Carbon dioxide purge systems to prevent condensation in spaces between cryogenic fuel tanks and hypersonic vehicle skin
Double hinged flap for boundary layer control over trailing edges of wings
Piston in bore cutter for severing parachute control lines and sealing cable hole to prevent water leakage into load
Switching circuit with regeneratively connected transistors eliminating power consumption when not in use
Impact bit for cutting, collecting, and storing samples such as lunar rock cuttings
Two axis flight controller with potentiometer control shafts directly coupled to rotatable ball members
High pressure liquid flow sight assembly for wide temperature range applications including cryogenic fluids
Transpirationally cooled heat ablation system for interplanetary spacecraft reentry shielding