Diaphragm pumps are the hidden heroes behind some of the most essential industrial applications. These prolific machines are ...

Instead of trying to make an air-tight piston, he added a rubber membrane and a clever valve system to create a diaphragm air engine. This GIF is worth 115 words A round rubber diaphragm with a ...

These valves close to prevent blood from backflowing ... One side of the chest piece is flat and called the diaphragm, and the other is concave and called the bell. The flat or diaphragm side ...