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2. Steam digester - Wikipedia

   en.wikipedia.org/wiki/Steam_digester

   The steam digester or bone digester (also known as Papin’s digester) is a high-pressure cooker invented by French physicist Denis Papin in 1679. It is a device for extracting fats from bones in a high-pressure steam environment, which also renders them brittle enough to be easily ground into bone meal .

3. Pressure cooker - Wikipedia

   en.wikipedia.org/wiki/Pressure_cooker

   In a sealed pressure cooker the volume and amount of steam is fixed, so the temperature can be controlled either directly or by setting the pressure, such as with a pressure release valve. For example, if the pressure reaches 1 bar or 100 kPa (15 psi ) above the existing atmospheric pressure , the water will have reached a temperature of ...

4. Safety valve - Wikipedia

   en.wikipedia.org/wiki/Safety_valve

   A cross-section of a proportional-safety valve. The earliest and simplest safety valve was used on a 1679 steam digester and utilized a weight to retain the steam pressure (this design is still commonly used on pressure cookers); however, these were easily tampered with or accidentally released.

5. Wolfgang Puck cooks up a turkey in no time and shares quick ...

   www.aol.com/lifestyle/2015-11-16-wolfgang-puck...

   Set the Vent Release Valve to SEAL and lower Sealing Lever to the SEAL position and set the timer for to 55 minutes.* When the time is up, slowly release the pressure valve and slowly lift the ...

6. 10 Instant Pot Recipes to Get You Through the Cold Winter Months

   www.aol.com/lifestyle/10-instant-pot-recipes...

   Meaning, you can open the valve and release all the steam quickly. This will take about 1-2 minutes approximately. ... Otherwise, you could experience the explosion of a pressure cooker lid being ...

7. Fusible plug - Wikipedia

   en.wikipedia.org/wiki/Fusible_plug

   To avoid this, the cored fusible plug was developed in the 1860s to give a wide opening as soon as the alloy softens. This has a solid brass or bronze centre, soldered into place by a thick layer of the low-melting-point alloy. When overheated, the plug does not release any steam or water until the alloy melts sufficiently to release the centre ...