fluid drive

noun Automotive.

a power coupling for permitting a smooth start in any gear, consisting of two vaned rotors in a sealed casing filled with oil, such that one rotor, driven by the engine, moves the oil to drive the other rotor, which in turn drives the transmission.

Origin of fluid drive

First recorded in 1940–45

Words nearby fluid drive

flugelman, fluid, fluid balance, fluid coupling, fluid dram, fluid drive, fluid dynamics, fluid lubrication, fluid mechanics, fluid mosaic model, fluid ounce

British Dictionary definitions for fluid drive

fluid drive

noun

a type of coupling for transmitting power from the engine of a motor vehicle to the transmission, using a torque converter Also called: fluid coupling, fluid clutch, fluid flywheel