1982 | OriginalPaper | Chapter
Hydraulic Couplings and Torque Converters
Authors : John Whipp, Roy Brooks
Published in: Transmission, Chassis and Materials
Publisher: Macmillan Education UK
Included in: Professional Book Archive
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A fluid flywheel is an hydraulic coupling which is used as an automatic clutch in the transmission system of a vehicle. The unit consists of two main elements, an impeller or driving member and a rotor or driven member. The unit is almost completely filled with fluid. As the engine, and hence the impeller, rotate, the fluid begins to circulate; this transfers torque to the rotor and consequently the gearbox input shaft.