Pump or turbine drive unit comprising such a pump or turbine...

Details Pump or turbine drive unit comprising such a pump or turbine... Pump or turbine drive unit comprising such a pump or turbine...

2005-08-26

2009-12-15

Verdier, Christopher (Department: 3745)

Rotary kinetic fluid motors or pumps

Plural runners supported for relative motion or on separate...

C415S090000, C415S144000, C415S211200, C440S039000, C440S047000

Reexamination Certificate

active

07632061

ABSTRACT:
A pump or turbine is disclosed which includes a housing provided with at least one chamber, a rotor, which is rotatably 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.

REFERENCES:
patent: 1061142 (1913-05-01), Tesla
patent: 1262240 (1918-04-01), Okun
patent: 3017848 (1962-01-01), Bishop
patent: 3141439 (1964-07-01), Liston
patent: 3183838 (1965-05-01), Englesson
patent: 4403911 (1983-09-01), Possell
patent: 4738584 (1988-04-01), Price
patent: 4964783 (1990-10-01), Haverkamp
patent: 5118251 (1992-06-01), Saulgeot
patent: 5174726 (1992-12-01), Findlay
patent: 5387141 (1995-02-01), Toyohara et al.
patent: 2003/0036319 (2003-02-01), Burg
patent: WO 00/06907 (2000-02-01), None

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