Pumps – Motor driven – Fluid motor
Patent
1992-09-10
1994-06-14
Bertsch, Richard A.
Pumps
Motor driven
Fluid motor
417405, 366190, F04B 1700, F04B 3500
Patent
active
053205006
ABSTRACT:
The invention concerns a continuous mixing device (1) having a rotating shaft (4) fitted with blades (7, 7a). The mixture obtained at the outlet from the mixer results from admitting to the mixer a high-viscosity fluid (22) and at least one fluid of a lower viscosity. The mixing device is suitable for providing a mixture of lower viscosity compared with the most viscous fluid admitted at the inlet (2, 38) of the mixer. The invention provides a method of pumping a viscous fluid and use of the mixing device in an installation for pumping a high viscosity crude oil.
FIG. 1 to be published.
REFERENCES:
patent: 4292011 (1981-09-01), Erickson
patent: 4610547 (1986-09-01), Bennett
patent: 4712984 (1987-12-01), Lepert
patent: 4838704 (1989-06-01), Carver
patent: 4941752 (1990-07-01), Yant et al.
patent: 5098669 (1992-03-01), Kawanami et al.
patent: 5211924 (1993-05-01), Lee et al.
Basichas Alfred
Bertsch Richard A.
Institut Francais du Pe'trole
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