Mannesmann Vdo Ag

Continental Automotive Gmbh

Heinrich Hoffmann

Thomas Werner

Patrick Opel

Rolf-Dieter Schlein

A washer fluid pump () for a window cleaning system includes two ventilation openings () arranged in a housing () and linked with a single opening () arranged on the inside. A ventilation duct () has two sections () arranged tangentially to the housing (). The ventilation openings () are separated from each other by a partition (). This design makes it possible for the housing () to have a large ventilation cross section and avoids splashed water penetrating the housing ().

Washer fluid pump for a window cleaning system of a motor vehicle

A delivery device having a retaining mechanism for pre-tensioning a valve against a feed pump that is installed in an area removed from the sealing structure that provides surfaces used to seal the connection between the valve and the feed pump. The retaining mechanism has a locking device.

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Heringen, Germany

Heinrich Hoffmann