How did Papin's steam digester regulate excessive internal pressure?
Answer
A weighted valve that would lift slightly to vent excess steam
The crucial innovation Papin introduced for safety and functionality was a mechanical method for controlling the intense pressure built inside the sealed vessel. His solution utilized a weighted valve, which functioned as a rudimentary pressure regulator. When the internal steam force reached a specific, predetermined threshold, this force would overcome the balancing weight, causing the valve to lift slightly. This action allowed pressurized steam to escape, thereby preventing the pressure from increasing further and mitigating the risk of catastrophic failure within the apparatus.
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