A flexible component is essential in certain pneumatic devices. This component, typically a thin, circular membrane made of rubber or a similar pliable material, oscillates to create pressure differentials. Its function is crucial for converting mechanical energy into pneumatic energy, driving air displacement within the system. This device is common in applications ranging from medical equipment to small-scale inflation devices. For instance, it allows a small electrical motor to generate the pressurized air needed for inflating a blood pressure cuff.
The utility of this component stems from its ability to create a hermetic seal while undergoing repeated flexing. This action ensures that the air being displaced remains uncontaminated and that the device operates with consistent efficiency. Historically, materials like leather were employed, but modern synthetic elastomers offer improved durability and resistance to degradation from exposure to oils and temperature variations. The reliability and longevity of this part directly impact the overall performance and lifespan of the system.