Pump arrangement for liquid tanks

F - Mech Eng,Light,Heat,Weapons – 04 – D

Patent

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Details

F04D 13/16 (2006.01) B60S 1/48 (2006.01) B60S 1/50 (2006.01) F04D 15/02 (2006.01)

Patent

CA 2313052

The present invention concerns a pump arrangement, in particular for wind- screen washer systems of motor vehicles. The pump housing (30) includes a liquid inlet (36), and a liquid outlet (38) through which the impeller (32) delivers the liquid (5) to be delivered out of the pump housing (30). Further, a sensor housing (40) is provided which is connected to the pump housing (30) and comprises a sensor arrangement (42, 42') responding to a changing liquid level (H, L) in the sensor housing (40). The sensor housing (40) has a liquid inlet (44) and a liquid outlet (46). According tothe claimed invention, the liquid outlet (46) of the sensor housing (40) and the liquid inlet (36) of the pump housing (30) are co-axially arranged with respect to each other.

L'invention concerne un ensemble pompe convenant en particulier aux systèmes lave-glace des véhicules à moteur. Le corps (30) de pompe comprend une entrée (36) de liquide, et une sortie (38) de liquide à travers laquelle la roue (32) débite le liquide (5) devant être distribué hors du corps (30) de pompe. L'ensemble comprend en outre un boîtier (40) de détecteur connecté au corps (30) de pompe et comprenant un ensemble (42, 42') détecteur réagissant à un changement du niveau de liquide (H,L) dans le boîtier (40) de détecteur. Le boîtier (40) de détecteur comprend une entrée (44) de liquide et une sortie (46) de liquide. Dans la présente invention, la sortie (46) de liquide du boîtier (40) de détecteur et l'entrée (36) de liquide du corps (30) de pompe sont placés coaxialement l'un par rapport à l'autre.

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