Shaft pipe construction for regulating liquid delivery of submer

Details Shaft pipe construction for regulating liquid delivery of submer Shaft pipe construction for regulating liquid delivery of submer

1982-06-08

1985-01-08

Gluck, Richard E.

Pumps

Motor driven

Including means for facilitating assembly or disassembly of...

415 53R, F04B 2302, F04D 500

Patent

active

044925328

ABSTRACT:
The invention relates to a shaft pipe construction surrounding submersible pump, for the regulation of liquid delivery.
The essence of the invention is that the lower part of the shaft pipe is constructed as a spinning spiral case connected to the upper shaft space filled with pumped liquid by return chamber comprising regulating choke-element. Main advantages of the invention are that pump station with continuously and energetically economical regulation can be established by using the commercially available submersible pumps, further, simplicity and operational safety.

REFERENCES:
patent: 2933045 (1960-04-01), Isserlis
patent: 2994275 (1961-08-01), Stepnica
patent: 3708239 (1973-01-01), Stahle
patent: 3856429 (1974-12-01), Pettersson

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