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VA Tech Hydro GmbH Patents
Assignee:
VA Tech Hydro GmbH
Address:
Vienna, AT
No. of patents:
10
Patents:












Patent Number Title Of Patent Date Issued
8288901 Method and device for cooling an electric machine October 16, 2012
In a slowly-running electric machine, such as a bulb turbine generator, air circulation for cooling is supplied by externally driven fans. A cooling device is mounted on the pressure or the suction side of the fan and the rotor and the stator are mounted on the suction side of the fan.
8192164 Turbine runner with reduced leakage of servo-oil June 5, 2012
Due to increasing environmental requirements, oil must be prevented from leaking from a turbine rotor disk and reaching the medium circulating around the turbine. In Kaplan turbines comprising a hydraulic mechanism (6) for actuating the rotor disk blades (3), hydraulic liquid leaks from
8035261 Method and device for cooling an electric machine October 11, 2011
In a slowly-running electric machine, such as a bulb turbine generator, air circulation for cooling is supplied by externally driven fans. A cooling device is mounted on the pressure or the suction side of the fan and the rotor and the stator are mounted on the suction side of the fan.
7999428 Apparatus for thermomechanical decoupling of the housing and stationary part of a rotating machi August 16, 2011
An apparatus is described for thermomechanical decoupling of the housing and stationary part of a rotating machine, in particular of a dynamoelectric machine. The apparatus has at least one rotating shell, and in that this apparatus can on the one hand be attached to the housing and
7658589 Turbine with tube arrangement and method of preventing detachment of a fluid flow February 9, 2010
Turbine system including a turbine and a tubular arrangement having an exit opening. The tubular arrangement is arranged on a downstream side of the turbine. At least one flow controlling device at least partially prevents a fluid flow through the tubular arrangement from becoming de
7372172 Device and method for the generation of electrical energy May 13, 2008
Arrangement for generating electrical power from a flowing medium, wherein the arrangement includes a plurality of turbine generator units. At least some of the plurality of generator units are arranged at least one of one above another and one beside another. At least some of the plural
7318700 Spiral pertaining to a turbo-machine January 15, 2008
A spiral for a turbomachine including reinforcing sheets which are partially located in the transition region between the spiral and parallel plate.
7284948 Turbine with tube arrangement and method of preventing detachment of a fluid flow October 23, 2007
Turbine system including a turbine and a tubular arrangement having an exit opening. The tubular arrangement is arranged on a downstream side of the turbine. At least one flow controlling device at least partially prevents a fluid flow through the tubular arrangement from becoming de
7275914 Pelton bucket October 2, 2007
Pelton bucket, Pelton wheel and a method of making and using the Pelton bucket. The Pelton bucket includes at least one exit edge. The at least one exit edge includes one of at least one partially concavely curved portion and at least one straight portion. The method of making provides
7210908 Hydraulic machine rotor May 1, 2007
Rotor blades of a hydraulic machine rotor are shaped such that the inlet edge and outlet edge of two adjacent rotor blades have varying profiles in different sections.

 
 
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