Wells – With below and above ground modification – Eduction pump or plunger in well
Patent
1997-07-11
2000-07-25
Tsay, Frank
Wells
With below and above ground modification
Eduction pump or plunger in well
166105, 188296, E21B 4312, F16D 5206
Patent
active
060925957
ABSTRACT:
A deep drilling or deep well pump system includes a driving motor, a driven component connected to the driving motor, and a hydrodynamic retarder. The hydrodynamic retarder includes a rotor and stator blade wheel. The rotor blade wheel and the stator blade wheel together form a toroidal working space continuously filled with a working medium during operation of the deep drilling device or the deep well pump device. The rotor blade wheel is continuously connected at least indirectly to the driving motor. The blading of the rotor and stator blade wheel is designed so that, owing to the blade direction in the drive mode, the rotor blade wheel revolves freely. During the occurrence of restoring forces on the driven components, the retarder operates in a braking manner.
REFERENCES:
patent: 4043434 (1977-08-01), Braschler
patent: 4324387 (1982-04-01), Steinhagen
patent: 4982819 (1991-01-01), Koshimo
patent: 5193654 (1993-03-01), Vogelsang
patent: 5358036 (1994-10-01), Mills
patent: 5501641 (1996-03-01), Koellermeyer et al.
patent: 5551510 (1996-09-01), Mills
Fecht Andreas
Holler Heinz
Weber Wolfgang
Tsay Frank
Voith Turbo GmbH & Co. KG
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