torque converter

English

Noun

torque converter (plural torque converters)

  1. (mechanical engineering) A device that converts the rotational output of a prime mover into work by driving a rotational load. A torque converter functions as a clutch and reduction gear to allow loose coupling between the driver and the driven, letting the drive (such as a motor or engine) rotate at different speeds from the load (such as a wheel).
    • 1959 December, “Diesel multiple-units on the St. Pancras-Bedford service”, in Trains Illustrated, page 588:
      The eight-cylinder Rolls-Royce diesel engines drive through "Twin Disc" torque converters up to a speed of some 46 m.p.h., when the drive automatically changes to direct coupling and the torque converter is disengaged.

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