New coupling compensates for shaft misalignment
Coupling of splined shafts with slight misalignment is accomplished by means of a crown spline and sleeve arrangement.
Source record↗
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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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Flexible plastic ring assembly makes durable shaft seal
Stacked flexible rings interleaved with solid metal rings of smaller width provide a durable seal ring for rotating shafts used in vacuum or pressure pumps.
Source record↗
Shaft encoder presents digital output
Circuits that include compensation circuitry time a capacitance relative to a reference voltage so that a digital presentation occurs that is representative of the positional condition of the mechanical shaft being monitored. This circuitry may be employed in multiples to furnish binary encoding of a number of rotating devices simultaneously.
Hillis, D. A.↗
Cold performance evaluation of a 6.02-inch radial inflow turbine designed for a 10-kilowatt shaft output Brayton cycle space power generation system
Cold argon and air performance of 6.02 inch radial inflow turbine designed for 10 kilowatt shaft output Brayton cycle space power generation system
POWER GENERATOR↗
Experimental investigations of hydrodynamically induced shaft forces with a three bladed inducer.
Shaft deflections in turbopumps from cavitation- induced unbalanced hydrodynamic forces in inducer
TURBOPUMP↗
Investigation of positive-type shaft seals Interim report, Jul. 1964 - Dec. 1966
Positive-type shaft seal design concepts to future turbopump performance requirements
PUMP SEAL↗
Development of main-shaft seals for advanced air-breathing propulsion systems Semiannual report, 1 Jul. - 31 Dec. 1966
Deflection and thermal analyses of main shaft seals for advanced air breathing propulsion systems
AIR BREATHING ENGINE↗
Accumulator for shaft encoder
Digital accumulator relies almost entirely on integrated circuitry to process the data derived from the outputs of gyro shaft encoder. After the read command is given, the output register collects and stores the data that are on the set output terminals of the up-down counters.
Carroll, C. C.↗
Theoretical and experimental studies of visco type and buffered shaft seals Semiannual progress report, 15 Apr. - 15 Oct. 1967
Grooved-shaft viscoseals designed for laminar and turbulent regions
Arehart, T. A., Jr.↗
Theoretical and experimental studies of visco type and buffered shaft seals Semiannual progress report, 15 Oct. 1967 - 15 Apr. 1968
Theoretical and experimental results of studies with visco type and buffered shaft seals
Fisher, C. F., Jr.↗
Aerodynamic performance of a 4.59-inch modified radial-inflow turbine for a single-shaft Brayton cycle space power system
Aerodynamic characteristics of a stator modified gas turbine for single shaft Brayton cycle power system
Kofskey, M. G.↗
On mapping functions for torsional analysis of splined shafts.
Splined shaft torsional analysis by construction of conformal mapping function with Schwarz- Christoffel transformation, noting shear stress distribution and reentrant corners
Camillo, L.↗
High-pressure seals for rotary shafts
High pressure seals for rotating shafts are machined from a polyimide resin. It is more durable and cheaper than the older seals of plastic coated metal and works at temperatures between - 400 degrees and plus 900 degrees f.
Holden, C. P.↗
Shaft face seal with self-acting lift augmentation for advanced gas turbine engines
Shaft face seal with self acting lift augmentation for advanced gas turbine engines
Johnson, R. L.↗
Vibration of shaft face seals and stabilizing effect of viscous and friction damping
Vibration of shaft face seals and stabilizing effect of viscous and friction damping
Hudelson, J. C.↗
Analog Study of Factors Affecting Injection Starts of a Closed-Loop Single-Shaft Brayton Power Plant
Factors affecting injection starts of closed-loop single-shaft Brayton power plant
Klassen, Hugh↗
The shape of the elastic curve of a weightless rotating shaft carrying eccentrically located point masses or disks
Elastic curve of rotating shaft with vibrations caused by eccentrically located point masses
Ogurechnikov, A. N.↗
Preliminary investigation of a single-shaft Brayton rotating unit designed for a 2 to 10-kilowatt space power generation system
Single shaft Brayton rotating unit for 2 to 10 kilowatt space power generation system
Evans, R. C.↗