Multiple impeller pump

Details Multiple impeller pump Multiple impeller pump

1986-07-28

1988-04-19

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

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

417426, 415203, F04D 1712

Patent

active

047385847

ABSTRACT:
A dual impeller recirculating pump having a plurality of simultaneously activated motors with counterrotating shafts coupled to the motors. An impeller is coupled to each shaft and rotated thereby. The impellers rotate within an impeller housing divided into individual sections, each section opening into a common outlet coupled so that counter rotation of the impellers forces water entering the housing sections out of each section into the common outlet which acts as a mixing chamber merging the fluid flow and thus increasing the flow rate and efficiency of the pump.

REFERENCES:
patent: 2634048 (1953-04-01), McDonald
patent: 3183838 (1965-05-01), Englesson
patent: 3689931 (1972-09-01), Fortis
patent: 3828661 (1974-08-01), Vink
patent: 3957402 (1976-05-01), Sloan
patent: 4088419 (1978-05-01), Hope et al.
patent: 4177018 (1979-12-01), Granet
patent: 4405286 (1983-09-01), Studer
patent: 4474479 (1984-10-01), Redelman

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