When it comes to energy efficiency, every little bit helps. Motor manufacturers are always looking to cut losses and increase efficiency. One innovative way may be to use die-cast copper rotors ...

An ac induction rotor starts as a stack of steel plates stamped with slots. Either molten aluminum is injected into the slots and flowed over the ends, or (in very large motors) bars of aluminum or ...

This set of lettered cogs doesn’t appear to be the most exciting of discoveries. It turns out, however, that they belong to a Second World War Enigma coding machine and have only just been discovered ...

Edward Hebern of California designed this rotor for a cipher machine. Commercial rotary cipher machines would be introduced in the 1920s and 1930s for commercial purposes by several people in several ...

Komo Machine, Inc. is a leading U.S. manufacturer of advanced, precision CNC machining systems engineered for demanding manufacturing applications. Wi...READ MORE ...

Garrett Motion has been granted a patent for a rotor design in a fluid machine. The rotor includes a wheel with blades and a unique balancing mark within the inter-blade area. The mark is elongate, ...