Epicyclics take more of the torque

Article Abstract:

Norbat Tools, a UK based company has developed an epicyclic gearbox that can deliver more torque per unit diameter when gear elements are supported by bearings on either side. Further, increase in torque can be obtained by using stronger base materials along with surface treatments and needle roller bearings without cages.

Product development, Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing, Fluid Power Cylinder and Actuator Manufacturing, Mechanical Transmissions, Speed changers, drives, and gears, Speed Changers, Drives & Gears, Hydraulic Marine Transmission Controls, Transmissions (Mechanical)

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Valve actuator speeds engine response

Article Abstract:

A new type of electrical device that can work either as a rotary actuator, swinging back and forth, or as a stepper motor, able to run at up to 4,000 rpm. The new embodiment is specially developed to produce variable poppet valve movement in a new generation of internal combustion engines.

Innovations, Valve actuators, Rotary engines

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