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An additional drawback stems from the high rotor speed of this type of pump: very high grade bearings are required, which increase the cost. The turbomolecular pump from ICP-MS instrument Varia. Because turbomolecular pumps only work in molecular flow conditions, a pure turbomolecular pump will require a very large backing pump to work effectively.
TransPod Inc. is a Canadian company designing ultra-high-speed transportation technology and vehicles. [1]TransPod vehicles are being designed to travel at over 1,000 km/h (620 mph) between cities, using fully electric propulsion to carry passengers and cargo. [2]
Today's ball and roller bearings are used in many applications, which include a rotating component. Examples include ultra high-speed bearings in dental drills, aerospace bearings in the Mars Rover, gearbox and wheel bearings on automobiles, flexure bearings in optical alignment systems, and air bearings used in coordinate-measuring machines.
Hydrodynamic bearings rely on the high speed of the journal (the part of the shaft resting on the fluid) to pressurize the fluid in a wedge between the faces. Fluid bearings are frequently used in high load, high speed or high precision applications where ordinary ball bearings would have shortened life or caused high noise and vibration. They ...
NASA G2 flywheel. Flywheel energy storage (FES) works by accelerating a rotor to a very high speed and maintaining the energy in the system as rotational energy.When energy is extracted from the system, the flywheel's rotational speed is reduced as a consequence of the principle of conservation of energy; adding energy to the system correspondingly results in an increase in the speed of the ...
MORGOIL bearings provided higher load capacities, higher speed capabilities, lower power consumption, and longer life than existing bearing choices [2] MORGOIL bearings are totally enclosed, precision journal bearings that operate on a hydrodynamically generated film of oil. This oil film has a very high load-carrying capacity, and since there ...
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