Gas springs has significant use across automotive, aerospace, military, and power generation

 

Gas Spring

Gas springs are designed for several applications where high tension, extreme forces of friction, or sudden pressure are encountered. A gas spring also called a dynamic pendulum, is a device that, unlike an ordinary mechanical spring which relies exclusively on mechanical deformation to store potential energy, uses compressed gas stored in an enclosed piston attached to a sliding piston shaft enclosed by a flexible diaphragm to pneumatic potential energy and resist external force applied perpendicular to the piston's shaft. These springs are used in a variety of industries such as automotive, aerospace, military, power generation, and more. They have numerous applications including vibration control, high-speed transportation, and high-pressure turbine induction systems.

The principle of operation of a gas spring lies in its design, which features two adjoining cylinders separated by a flexible second rod. When compressed gas is stored in the first cylinder, the spring's performance is primarily determined by its external load, i.e. the force which it is able to withstand before losing its potential energy. The second rod serves as a deflecting device. As the load continues to be applied to the second rod, the internal pressure of the cylinder will decrease, thus simulating the effect of an external force.

Since the first and second rods are not moveable, an external force must act on both rods simultaneously to generate an overall force acting through the spring. The overall force generated by these two coupled rods will then cause the entire spring to change into an effective tensile force capable of resisting change in internal pressure without causing the gas to compress. This means that the moment the compression occurs, a potential energy change in the spring's active area results which results in a change in its overall deformation. This makes the spring a highly effective device with high load capacity and high tensile strength.


Location: India

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