Ventilator Exhalation Valve
thingiverse
A ventilator exhalation valve is designed, utilizing a repurposed automotive Idle Air Control Valve. This valve can be sourced from various online marketplaces, such as eBay. To gain a better understanding of the process involved in creating this valve, a YouTube video featuring a detailed explanation and demonstration is available for viewing. The IAC valve itself does not participate in the flow of gases, thereby ensuring that the pinch valve remains safe to operate at 100% oxygen levels. The components comprising the tube and piston cap are printed using TPU material, with a 100% infill rate. The printer nozzle diameter is set to 0.4mm, while the layer height is maintained at 0.2mm. In contrast, the frame is fabricated from PLA. The screws used in this assembly have a diameter of 10-24. A specialized module, known as an easydriver stepper control module, is employed for driving the IAC stepper. This component can be procured from reputable online retailers, such as SparkFun.
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