torque converter

noun

, Machinery.

1. a fluid coupling in which three or more rotors are used, one of which can be checked so that output torque is augmented and output speed diminished.

torque converter

noun

1. a hydraulic device for the smooth transmission of power in which an engine-driven impeller transmits its momentum to a fluid held in a sealed container, which in turn drives a rotor Also calledhydraulic coupling

Word History and Origins

Origin of torque converter¹

First recorded in 1925–30