Description
Hydraulic accumulators are known as energy storage devices that are closed on one side and connected to hydraulic pipes on the other side. In the meantime, piston hydraulic accumulators, as one of the most widely used types, consist of three main components: Compressed gas (gas container), piston and hydraulic fluid (oil container). The hydraulic fluid, under pressure from a hydraulic pump, causes the accumulator piston to move and compress the gas in the air chamber. Compressed gas can store this energy exactly like a spring. When additional flow is required by the system, pressure energy is released to meet the system’s needs. The main task of the hydraulic accumulator includes such things as providing transient current in a short period of time, compensating for system leakage, maintaining pressure and acting as a critical power source, damping pressure fluctuations of the hydraulic system, and absorbing shock pressure. The use of hydraulic accumulators is very common in aviation applications because it can provide the peak flow for the use of an interrupting hydraulic system such as landing gear and flap control system. In other words, the hydraulic accumulator can reduce the size and weight of the hydraulic system. But due to the need for high reliability in this field, it requires special considerations that go beyond the standards used in common types available in the market and is one of the main areas of activity of this company. Also, processes such as honing or autofertigation may be used in the manufacturing process of this equipment due to the importance of proper sealing and due to the presence of thin walls or the need to maintain high pressures.
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