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Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2014/170417
Kind Code:
The invention relates to a hydrodynamic retarder having a bladed rotor and a bladed stator or bladed counter-rotor, which together form a torus-shaped operating chamber that can be filled with an operating medium and receives an operating medium reserve volume (21), separated by an operating medium reflector (23), and which is connected via a flow pipe (7) to an operating medium inlet (8) of the operating chamber (9) for supplying operating medium from the operating medium reserve volume (21) into the operating chamber (9) and via a return (10, 11, 16, 25) at an operating medium outlet (12, 13) of the operating chamber (9) for receiving operating medium channelled out of the operating chamber (9) and into the operating medium reserve volume (21); - having a profile ventilation which opens via a channel in the operating chamber on one side and in the environment or a ventilation chamber to which environmental pressure is applied on the other; wherein - there is a valve having a valve body and a valve seat in the profile ventilation which seals the profile ventilation in dependence on operating medium being applied thereto. The invention is characterized in that, at least at one location in the operating medium circuit (2) and/or in the channel (51) there is a chamber (15, 30, 52) having a volume which is suitable for separating operating medium and air from each other.

MARTIN, Alexander (Erlenweg 7, Kressberg, 74594, DE)
LAUKEMANN, Dieter (Sonnenstraße 10/1, Crailsheim, 74564, DE)
DEEG, Martin (Am Dorfmühlweiher 4, Wört, 73499, DE)
ADAMS, Werner (Melanchthonstr. 9, Crailsheim, 74564, DE)
Application Number:
Publication Date:
July 02, 2015
Filing Date:
April 17, 2014
Export Citation:
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VOITH PATENT GMBH (Sankt Pöltener Straße 43, Heidenheim, 89522, DE)
International Classes:
B60T10/02; B60T17/00; B60T17/22; F16D57/04
Foreign References:
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