Briefs: Propulsion
Briefs: Design
Briefs: Medical
A patented self-contained device for isolating deoxyribonucleic acid (DNA), ribonucleic acid (RNA), proteins, and cells without using pipettes or centrifuges has been developed at NASA’s...
Articles: Electronics & Computers
Briefs: Mechanical & Fluid Systems
Articles: Motion Control
Briefs: Propulsion
Application Briefs: Mechanical & Fluid Systems
Articles: Motion Control
Application Briefs: Mechanical & Fluid Systems
As an integral part of onshore and offshore drilling, mud pumps circulate drilling fluids to facilitate drilling oil and natural gas wells. Mud pumps stabilize pressure and support the well during...
Briefs: Energy
Briefs: Wearables
The Solenoid Valve Health Monitor System (SVHMS) was developed to remotely monitor the health of solenoid valves, lowering operational costs and increasing reliability by predicting valve failures before they...
Briefs: Wearables
Articles: Mechanical & Fluid Systems
Application Briefs: Materials
Briefs: Electronics & Computers
Cryogenic Hydraulically Actuated Isolation Valve
Researchers at NASA's Marshall Space Flight Center have developed a cryogenic isolation valve that utilizes the upstream line pressure of cryogenic fluids for actuation. Previously, the use of cryogenic fluids for actuation systems had been too difficult to control and resulted in unsafe operating...
Briefs: Mechanical & Fluid Systems
Nitinol-Actuated, Normally Open Valve Assembly (NOVA)
NASA Goddard Space Flight Center has developed the NOVA zero-leak, permanent isolation valve that helps prevent leaks in space propulsion systems with operating pressures less than or equal to 500 psia. The actuator is made from nitinol, a heat-activated, non-explosive, shape memory alloy and...
Briefs: Mechanical & Fluid Systems
Deployable Emergency Shutoff Device Blocks High-Velocity Fluid Flows
NASA's Marshall Space Flight Center has developed a device and method for blocking the flow of fluid from an open pipe. The device plugs, controls, and meters the flow of gases and liquids. Anchored with friction fittings, spikes, or explosively activated fasteners, the device...
Briefs: Sensors/Data Acquisition
For the millions of people every year who have or need medical devices implanted, an advancement in 3D printing technology could enable significantly quicker...
Briefs: Electronics & Computers
Typical butterfly valves cannot seal at both ambient and cryogenic temperatures. At cryogenic temperatures, valves grow and shrink, changing critical dimensions such as distance between the disc and seat....
Briefs: Mechanical & Fluid Systems
Check valves are traditionally designed as a simple poppet/spring system where the spring is designed to equal the force created from the sealing area of the valve seat multiplied by...
Briefs: Materials
In biology, there are many examples where light induces movement or change — think of flowers and leaves turning toward sunlight. Magnetic elastomeric composites were developed that move in different...
Articles: Mechanical & Fluid Systems
A new valve concept consists of a solid piston floating in a medium to control a flowstream. Although the conical shape of the seat is a prominent feature of the valve, especially when the concept was...
Briefs: Robotics, Automation & Control
Hydraulic-Based Spherical Robot
Current spherical robots rely upon rotating mechanical weights inside the sphere to change the center of gravity of the sphere, causing the robot to roll. The use of rotating mechanical weights is not optimal due to the reliance upon moving parts, which can present burdensome maintenance issues. It would be...
Briefs: Medical
Cell Processing Cartridge for Miniature Cytometer
Portable flow cytometers, especially in handheld or briefcase sizes, have not been available. One reason is the need to support complex, high-pressure fluidics and process cells using a centrifuge and mixing device. A need existed for point-of-care and/or point-of-analysis flow cytometry.
Briefs: Robotics, Automation & Control
A fundamental advance in controlling soft robots involves using magnetic fields to remotely manipulate microparticle chains embedded in soft robotic devices. Several devices have been developed...
Briefs: Test & Measurement
A component leak test apparatus investigates the performance of fittings at low temperature and/or high pressure. Its performance was quantified by measuring the ability to hold cold pressurized gaseous helium...
Briefs: Mechanical & Fluid Systems
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
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...
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