Mechanical/​Mechatronics

Briefs : Materials
Conductive, High-Toughness Oxides Deposited by Plasma Spray-Physical Vapor Deposition (PS-PVD)

Oxide coatings deposited in Glenn Research Center's Plasma Spray-Physical Vapor Deposition (PS-PVD) facility can be processed to be mechanically tough (erosion-resistant) and electrically conductive at room temperature. The electrically conductive...

Briefs : Motion Control
Hydraulically Amplified Actuators

Soft robots are made from soft materials that react to applied voltage with a wide range of motions. Such soft robots contain tremendous potential for future applications, as they adapt to dynamic...

Briefs : Test & Measurement
SolidSense: Gas Analyzer on a Chip

The SolidSense sensor platform measures all EPA-regulated gas emissions (nitrogen oxides, carbon monoxide, and hydrocarbons), in addition to ammonia, with high accuracy and sensitivity. The chip-scale gas...

Briefs : Mechanical & Fluid Systems
Modular Fixturing for Assembly and Welding Applications

Researchers at NASA’s Marshall Space Flight Center have developed new modular fixtures for holding metal in place during the assembly and welding of cylindrical and conical sections...

Briefs : Test & Measurement
On-line Phased Array Ultrasonic Testing (PAUT) System for Friction Stir Welding (FSW)

Friction Stir Welding (FSW) is a relatively new solid-state welding process, and many industries are now relying on this technique to produce advanced structures. Industries employing this technique include, but are not limited to, aeronautical, motor vehicle,...

Briefs : Mechanical & Fluid Systems
Low-Cost, Long-Lasting Valve Seal

This technology is designed to protect against leaks in solenoid, check, manual, and relief valves, as well as disconnects and regulators.

NASA’s Marshall Space Flight Center has developed a new,...

Briefs : Mechanical & Fluid Systems
Non-Collinear Valve Actuation System

NASA’s Marshall Space Flight Center scientists have invented a novel valve actuator where the primary actuating system and return spring system are arranged non-collinearly. In the past, valve actuators...

Briefs : Mechanical & Fluid Systems
Novel Vent Design Features Variable Flow Control and Rain Protection

NASA’s Marshall Space Flight Center scientists have designed a vent that can be useful for purging closed compartments, while preventing backflow and foreign object entry. The technology uses a system of configurable devices to provide variable flow control and prevent water,...

Briefs : Mechanical & Fluid Systems
Novel Design of an Orifice Control Element

An orifice element is commonly used in liquid rocket engine test facilities either as a flow metering device, a damper for acoustic resonance, or to provide a large reduction in pressure over a very...

Briefs : Mechanical & Fluid Systems
Electrochemically Enhanced Mechanical Polishing of Optics

NASA’s Marshall Space Flight Center astrophysicists are developing better instruments to measure high-energy X-rays zipping about space when viewed from above the Earth’s atmosphere. Scientists at MSFC adapted a novel method for material removal and super-polishing to the mandrel...

Briefs : Mechanical & Fluid Systems
Lower-Chatter Friction Pull Plug Welding (FPPW)

Friction Pull Plug Welding (FPPW) is the process necessary to plug the hole that is left behind as a friction stir weld (FSW) joint is completed and the pin tool of the welder retracts from the...

Briefs : Materials
Method for Inflating Uniformly Stiff Tubular Booms

NASA's Marshall Space Flight Center (MSFC) developed a foam-rigidized, inflatable, tubular space boom that can be transported, deployed, and inflated at remote locations. The lightweight...

Briefs : Mechanical & Fluid Systems
Plasma-Assisted Catalytic Reverse Water Gas Shift Reactor

For improving CO2 conversions for a low-temperature CO2 methanation process, a mechanism of using reverse water gas shift (RWGS) reaction as an intermediate step to generate the more reactive CO species for the methanation process was developed. The challenge was to...

Briefs : Mechanical & Fluid Systems
Folding-Tube Deployable Solar Array

Future space missions incorporating solar electric propulsion (SEP) will require large solar arrays that are an order of magnitude larger than the current state of the art for deployable arrays. This invention is a structural concept for such an array, and was designed to enable large arrays that package...

Briefs : Mechanical & Fluid Systems
Vented Launch Vehicle Adapter for a Manned Spacecraft With “Pusher” Launch Abort System

A Launch Vehicle Adapter (LVA) was developed that provides a structural interface between a Commercial Crew Vehicle (CCV) Crew Module/Service Module Spacecraft (CM/SM) and an expendable launch vehicle. It also provides a means to control the exhaust plume...