Dual latching solenoid valve Patent
Valve assembly for controlling simultaneously more than one fluid flow, and having stable qualities under loads
Mcnutt, W. C.↗
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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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Electrohydrodynamic control valve Patent
Control valve for switching main stream of fluid from one stable position to another by means of electrohydrodynamic forces
Fiet, O. O.↗
Force-Balanced, Throttle Valve Patent
Force balanced throttle valve for fuel control in rocket engines
Mcdougal, A. R.↗
Refractory metal valves for 1900 deg F service in alkali metal systems
Evaluation of refractory metal alloy metering and isolation valves for alkali metal service at 1900 F
Harrison, R. W.↗
Valve technology - A compilation
Relief, safety, and cryogenic check valve systems engineering with industrial applications
Source record↗
Mechanically limited, electrically operated hydraulic valve system for aircraft controls Patent
Development of aircraft control system with high performance electrically controlled and mechanically operated hydraulic valves for precise flight operation
Foster, J. V.↗
Relief valve assembly, Stratos PN 834000 Final report
Design and performance of relief valve assembly for metabolic activity system of biological experiment on orbital workshop vehicle
Morando, J.↗
Apollo service propulsion system rocket engine bipropellant valve improvement program Final report
Rocket engine bipropellant valve improvement for Apollo service propulsion system
Source record↗
Test report: Evaluation of Du Pont LRU 488 as a seat seal material in the Marquardt R4D engine valve
Assessment of molded elastomeric Teflon as seat seal material for R4D engine valve
Lynch, R.↗
Space storable oxidizer valve
Design, fabrication, and testing of pneumatically operated liquid fluorine shutoff valve
Crosier, R. L.↗
Hemodynamic evaluation of rate augmentation produced by atrial pacing and isoproterenol in the early postoperative phase of cardiac valve surgery
Hemodynamic evaluation of heart rate augmentation produced by atrial pacing and isoprotenol in early postoperative phase of cardiac valve surgery
Armstrong, P. W.↗
Electrodynamic actuators for rocket engine valves
Actuators, employed in acoustic loudspeakers, operate liquid rocket engine valves by replacing light paper cones with flexible metal diaphragms. Comparative analysis indicates better response time than solenoid actuators, and improved service life and reliability.
Fiet, O.↗
Zero-leakage valves
Valve action confines polymeric material in a metal groove effecting seal by compressive reaction of the polymer. As cold flow does not occur, sealing material resiliency is preserved over numerous operations.
Salvinski, R. J.↗
Dynamic valve to supply constant total thrust to two orifice jets
Valve, maintaining constant total flow, is driven mechanically in periodic alterations to yield correspondingly periodic outputs of constant sum. Design is applicable to development of jet flaps for helicopter use and may be useful in a multinozzle system.
Egli, W. H.↗
Micro regulating ball valve
Ball valve of simple, rugged configuration overcomes leakage because there are no critical wear areas. Design has stable and precise calibration. Device can be assembled or disassembled in seconds and needs no lubrication.
Hawkins, J. W.↗
Combination pressure regulator and safety valve: A Concept
Device for regulating high pressure liquefied gas to high pressure vapor generator using liquid oxygen is described. System includes pressure regulation and safety valve features. Construction of the equipment and method of operation are presented.
Acres, R. L.↗
High-volume pressure relief valve
Valves with counterweights to assist in opening and closing are described, which can release large volumes of gas almost instantaneously, and provide airtight seals.
Dillard, W. H.↗
The design and development of a miniature bi-stable latching solenoid valve for low thrust resistojets
The design approach and development demonstration are presented for a flightweight, miniature, magnetic latching shutoff valve, suitable for use with the ruggedized H2 and NH3 resistojet and the biowaste resistojet. The design criteria established provided for compatibility with specified ruggedized resistojet propellants as well as the biowaste and other propulsion system propellants.
Lynch, R. A.↗