Keyword: Suspension systems

Briefs: Aerospace
Applications include absorbers, tuned mass dampers, harmonic absorbers, and seismic dampers.
Briefs: Mechanical & Fluid Systems
Applications include valves, tubes, and other gas and fluid system components.
Technology Leaders: Sensors/Data Acquisition
Learn about the latest measurement technology designed to ensure accurate testing of helical compression and extension springs.
Briefs: Mechanical & Fluid Systems
Fluid-Filled Frequency-Tunable Mass Damper

Innovators at Marshall Space Flight Center developed the fluid-filled Frequency-Tunable Mass Damper (FTMD) technology that allows for significant distribution of loads while also providing a simple mechanism that allows for the capability to change its frequency of mitigation with negligible impact on...

Briefs: Sensors/Data Acquisition

In order to qualify miniature springs, manufacturers of these systems rely on commercially available testers that are designed for large-scale springs (>0.5" diameter). Commercially available spring...

Briefs: Motion Control

In discussing fatigue life, it is important to distinguish between disc springs and conical spring washers, as they differ by design and intended usage. Conical spring washers are...

Briefs: Aerospace

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....

Articles: Motion Control

When choosing a gas spring for a particular application, it’s imperative to have a basic understanding of the workings and terminology used when specifying gas springs. This article offers...

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: Mechanical & Fluid Systems

In designing a hand-actuated microspine gripper, a ratcheting locking mechanism was required that had discrete points of locking engagement. The mechanism had to actuate...

Briefs: Materials

Materials scientists are looking to nature — at the discs in human spines and the skin of ocean-diving fish — for clues about how to design materials with both flexibility and stiffness. The...

Briefs: Manufacturing & Prototyping

CAD models have been developed that enable objects to be 3D-printed out of commercially available plastics; these objects can wirelessly communicate with other smart devices, including a...

Briefs: Medical
LightCensor Software for Optimized Viewing of Medical Images

Because of improved display quality, the smartphone has been advocated by medical imaging vendors for viewing medical images in specific conditions that require urgency of results, or when full-sized workstation displays are not readily available. As a handheld device, the viewing...

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...

Application Briefs: Manufacturing & Prototyping
Proto Labs
Maple Plain, MN
www.protolabs.com

As products get smaller, their components need to follow suit, and springs are no exception. In a variety of...

Articles: Mechanical & Fluid Systems

Contact design is critical to the performance of any connector — especially for devices that must function in harsh environments where extremes of temperature, shock, and vibration are...

Briefs: Mechanical & Fluid Systems

Tuned mass dampers are used worldwide to mitigate vibrations in structures like buildings and bridges where excessive movement can be alarming or even sickening to occupants. The...

Application Briefs: Motion Control

A manufacturer of low and high-rise elevators faced a challenge when customers began calling for a flexible elevator to meet the needs of the growing mid-rise, mixed-use building...

Briefs: Motion Control

Roboticists at the University of California, Berkeley, have designed a small robot that can leap into the air and then spring off a wall, or perform multiple vertical jumps in a row, resulting in...

Briefs: Mechanical & Fluid Systems
Mechanisms for Achieving Non-Sinusoidal Waveforms on Stirling Engines

The current state-of-the-art Stirling engines use sinusoidal piston and displacer motion to drive the thermodynamic cycle and produce power. Research performed at NASA Glenn has shown that non-sinusoidal waveforms have the potential to increase Stirling engine power density,...

Briefs: Manufacturing & Prototyping

NASA’s Langley Research Center has developed a portable device to simulate low-velocity impacts on a material or structure. As composite materials are highly susceptible to damage caused by low-velocity impact, they...

Briefs: Aerospace

The AeroPod, developed at NASA Goddard Space Flight Center’s Wallops Flight Facility, is a passive device that uses aerodynamic forces to stabilize an instrument package suspended from a kite...

Briefs: Mechanical & Fluid Systems
A magnetically retained pressure-relief valve enables quick-open on/off operation when overpressure is reached.

Inventors at NASA’s Kennedy Space Center have developed a magnetically retained, fast-response...

Briefs: Materials

NASA’s Langley Research Center has developed composite elastic skins for covering shape-changing (morphable) structures. These skins are intended especially for use on advanced aircraft that change shapes in...

Articles: Robotics, Automation & Control

Power-off brakes are designed to hold or stop motion in the absence of power. Adding an electrical current releases the brake, freeing the load for motion. Given the safety...

Application Briefs: Robotics, Automation & Control

Shock absorbers are important parts of vehicles. The shock absorber is used to observe the vibrations from shock loads due to irregularities of the road surface, and operates without affecting the...

Briefs: Robotics, Automation & Control

In smooth terrain, the most efficient motion to traverse the terrain is rolling. However, when a wheeled vehicle encounters obstacles, it must circumvent them if possible or choose an alternate path. Legged vehicles can...

Briefs: Robotics, Automation & Control

NASA Marshall Space Flight Center’s Fluid Structure Coupling (FSC) technology is a highly efficient and passive method to control the way fluids and structures communicate and dictate the behavior of a system. This...

Briefs: Robotics, Automation & Control
Variable-Aperture Reciprocating Reed Valve

NASA’s Marshall Space Flight Center engineers have developed a new reed valve for controlling fluid flow back and forth between two chambers. The VARR valve provides two-way flow that is proportional to flow demand. As the pressure gradient builds on one side, the reed valve responds by opening an...