Hydrodynamic brake
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United States of America Patent
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-
Jul 3, 1990
Grant Date -
N/A
app pub date -
Apr 3, 1989
filing date -
Apr 2, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydrodynamic brake has a rotor blade wheel and a stator blade wheel with oblique blades and which together form a toroidal work chamber. A series of quick blades are mounted on the stator blade wheel for controlling the flow of braking fluid between the blade wheels and thereby the degree of braking action. Each of said blades is mounted for rotation around a radial axis and can be swung uniformly by means of a common actuating device. In this basic position, the guide blades are parallel to the stationary blades to provide the maximum flow of braking fluid. In a 'zero position' the blades are all in a plane normal to the axis of rotation of the brake, whereby they substantially block the flow of braking fluid within the work chamber. In order to control the braking action, the guide blades may be brought into any desired intermediate position.
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