Electronic beam switching commutator Patent
Using electron beam switching for brushless motor commutation
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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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Using electron beam switching for brushless motor commutation
Sun tracker with rotatable plane-parallel plate and two photocells
Method for determining state of charge of alkali batteries by using tritium as tracer
Attitude control training device for astronauts permitting friction-free movement with five degrees of freedom
Flexible turnstile antenna system for reducing nutation in spin-oriented satellites
Controlled visibility device for simulating poor visibility conditions in training pilots in instrument landing and flight procedures
Photomultiplier detector of Canopus for spacecraft attitude control
Metallic film diffusion into metal or ceramic surfaces for boundary lubrication in aerospace environments
Weighing and recording device for obtaining precise automatic record of small changes in force
Gas analyzer for bi-gaseous mixtures suitable for use in test facilities
Radio receiver with array of independently steerable antennas for deep space communication
Artificial gravity system for simulating self-locomotion capability of astronauts in rotating environments
Selector mechanism for mechanical separation and discrimination of high velocity molecular particles
Structural design of high pressure regulator valve
Microleak detector mounted on weld seam of propellant tank of launch vehicle
Shrouded composite propulsion system configuration
Measuring shear-creep compliance of solid and liquid materials used in spacecraft components
Quick-release coupling for fueling rocket vehicles with cryogenic propellants