Power plants – Pressure fluid source and motor – Coaxial impeller and turbine unit
Reexamination Certificate
2006-01-31
2008-09-23
Kershteyn, Igor (Department: 3745)
Power plants
Pressure fluid source and motor
Coaxial impeller and turbine unit
C060S337000, C060S351000, C060S358000
Reexamination Certificate
active
07426826
ABSTRACT:
The invention concerns a hydrodynamic coupling or a hydrodynamic brake with the following features:having an impeller and a turbine wheel, which together form a toroidal working chamber;the impeller sits on a driveshaft, and the turbine wheel sits on a driven shaft;having a housing, which encloses the impeller and, together with the impeller, forms a retaining space, which is conductively connected to the working chamber;having an inlet and an outlet for the filling and emptying of the working chamber;the driveshaft supports a dynamic pressure pump, which projects into the retaining space and which can be placed in rotation around the driveshaft (20);the dynamic pressure pump has an inlet in its radial outer region and is connected to the outlet by its radial inner region;a connection that is resistant to rotation can be produced and/or released again selectively between the dynamic pressure pump and the driveshaft.
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patent: 195 21 926 (1996-01-01), None
patent: 196 14 589 (1997-10-01), None
Kershteyn Igor
Ohlandt Greeley Ruggiero & Perle L.L.P.
Voith Turbo GmbH & Co. KG.
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