Pump or turbine, drive comprising such a pump or turbine and...

Details Pump or turbine, drive comprising such a pump or turbine and... Pump or turbine, drive comprising such a pump or turbine and...

F - Mech Eng,Light,Heat,Weapons

04

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F04D 5/00 (2006.01) B63H 11/08 (2006.01) F03B 3/10 (2006.01) F03B 5/00 (2006.01)

Patent

CA 2515496

The invention relates to a pump or turbine comprising a housing provided with at least one chamber, a rotor, which is ratably mounted on a shaft in the chamber, an inlet, which communicates with the chamber at least at the location of the shaft, and an outlet channel, which communicates with the chamber at least at the periphery of the rotor. The pump or turbine moreover comprises at least one bypass channel, a first end of which opens into the outlet channel of the pump and a second end of which forms an inlet. The bypass channel may be used for increasing the propelling force or for pumping slurries, for example.

L~invention concerne une pompe ou une turbine présentant un carter comportant au moins une chambre, un retors monté rotatif sur un arbre dans la chambre, un orifice d~aspiration communiquant avec la chambre au moins au niveau de l~arbre, et un conduit de refoulement communiquant avec la chambre au moins à la périphérie du retors. Cette pompe ou turbine comprend en outre au moins un conduit de dérivation dont une première extrémité débouche dans le conduit de refoulement de la pompe et dont une deuxième extrémité forme un orifice d~aspiration. Ce conduit de dérivation sert par exemple à accroître la force de propulsion ou à pomper des boues liquides.

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