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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7681391 | Hydrodynamic coupling The invention relates to a hydrodynamic coupling comprising an impeller (1), which propels a drive machine and a turbine wheel (2), which propels a drive machine. The turbine wheel and its rotationally fixed coupling shell (4) form a coupling ho... | 03/23/2010 |
| 6923301 | Hydrodynamic brake A hydrodynamic brake, which comprises a stator and a rotor which are coaxial and have respective opposed annular recesses which open toward each other to form a toroid-shaped space. A first medium is supplied to the space for providing braking action during rotation... | 08/02/2005 |
| 5319949 | Regulator valve assembly for a torque converter A regulator valve assembly adapted to be used in conjunction with a torque converter in a vehicular transmission having a pressurized hydraulic distribution system, a cooling system and a torque converter. The regulator valve assembly has a stepped valve ... | 06/14/1994 |
| 5263320 | Converter bypass piston for reduced idle loss An axially oriented annular piston is provided in the torque converter. It encircles the converter pump. The piston has an open and a closed position. In the open position, a portion of the fluid exiting the converter pump bypasses the turbine, passing th... | 11/23/1993 |
| 4781020 | Startup slip temperature-rise alleviating outlet valve for hydrokinetic coupling A hydrokinetic coupling has a primary vane wheel (11) and a secondary vane wheel (12), which define a toroidal working chamber. A shell (17) rotates with the primary vane wheel and envelops the secondary vane wheel. A constantly open and throttled outlet ... | 11/01/1988 |
| 4458792 | Automotive retarder An automotive retarder in which an outer toroid of at least one inner hydrodynamic operating cycle is bounded by inner surfaces of shells of at least two impellers engaged in the operating cycle. One of the impellers is adapted to be positioned by a thrus... | 07/10/1984 |
