Rotary expansible chamber devices – With changeable working chamber magnitude
Patent
1989-06-22
1990-08-07
Koczo, Michael
Rotary expansible chamber devices
With changeable working chamber magnitude
418164, 418186, 418195, F04C 200, F04C 1502
Patent
active
049463551
ABSTRACT:
A positive displacement pump is particularly adapted for corrosive, abrasive and viscous liquids. It employs a combination of orbital and nodding movements provided by a unique mechanism. A rotor member, mounted eccentrically on a drive shaft, fits closely within a pumping chamber which it drives in an orbital path along an inclined plate having fluid inlet and outlet ports. The resultant cyclic increase and decrease in volume of the chamber beneath the rotor member draws in fluid and discharges it under pressure. For fluids of greater viscosity (or where reduced flow rate is desired) the angle of tilt is reduced, without lessening the power afforded for pumping.
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"Moyno Pumps Combine Characteristics . . . ", 1975, Moyno Pump Division, Robbins & Myers, Inc., pp. 2-4.
"Pumping Abrasive Liquids with Progressing Cavity Pumps", (Journal of Paint Technology), Robbins & Myers, Inc., 1973.
"Megator Sliding-shoe Pumps", Megator Corporation, Sep. 1975.
Old Russell A. B.
Oldham Francis B.
Gross Jerome A.
Koczo Michael
Makosy Douglas J.
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