Fire pump controllers are control panels containing electrical components, such as circuit breaker, switches, relays, and other devices, dedicated to the operation of fire pumps. The devices within a ...

It’s not every project write-up that opens with a sentence like “I had this TURBOVAC 50 turbomolecular pump laying around…”, but then again not every write-up comes from someone with a lab as stuffed ...

The primary job of most bilge pumps on most boats is to clear infliction water from the bilges (https://en.wikipedia.org/wiki/Bilge_pump). A bilge pump is a key piece ...

Beyond the wheel, the most important mechanical equipment serving humanity is the centrifugal pump. Centrifugal pumps make modern quality of life possible. Turn on a faucet and a centrifugal turbine ...

[Mark Aren] purchased a pair of Turbomolecular pumps (TMP) sans controllers, and then built an FPGA based BLDC controller for the Turbomolecular pumps. A TMP is similar to a jet turbine, consisting of ...

Now, the water level begins to decrease and the shorter sensor will be no longer in contact with the water, but IC1C output will be hold high by the signal return to pin #5 of IC1B, so the pump will ...

Standpipe systems can be found in occupancies that range from apartments to high-rises to large commercial buildings. These systems are relatively simple, yet most of the breadth of knowledge that ...