Machinery. an apparatus in which a fluid, usually oil, transmits torque from one shaft to another, producing an equal torque in the other shaft.
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- fluid balance,
- fluid dram,
- fluid drive,
- fluid dynamics,
- fluid lubrication,
- fluid mechanics
Compare hydraulic torque converter.
Origin of fluid coupling
First recorded in 1935–40
Also called hydraulic coupling.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019