Fluid coupling
Videos
A fluid coupling or hydraulic coupling is a hydrodynamic or 'hydrokinetic' device used to transmit rotating mechanical power. It has been used in automobile transmissions as an alternative to a mechan
Daimler car fluid flywheel of the 1930s
Fluid coupling on Transfluid's industrial transmission model KPTO
Hermann Föttinger
Videos
Hermann Föttinger was a German engineer and inventor. In the course of his life he submitted over 100 patent applications, but he is most notable for inventing fluid coupling.
Hermann Föttinger’s grave at the Wilmersdorf Cemetery