torque converter

American  

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.

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torque converter British  

noun

1. Also called: hydraulic coupling.  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

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Etymology

Origin of torque converter

First recorded in 1925–30

Example Sentences

Ida and Tucker also explored using a torque converter as in the concept, but due to how much time it would take, decided to go with a more conventional automatic transmission made by Porsche.

From Washington Times • Sep. 24, 2016

Some vehicles may lose motive power without warning due to a defective powertrain component, the torque converter output shaft.

From Reuters • Jan. 11, 2012