Multiple stage pump

Details Multiple stage pump Multiple stage pump

1978-04-28

1980-02-26

Casaregola, Louis J.

Rotary kinetic fluid motors or pumps

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

With means for selective runner operation or drive shaft...

415 69, 415189, 4151992, F01D 1300, F01D 2524

Patent

active

041903951

ABSTRACT:
A multiple stage pump having pumping means in an inner case which is removable from the outer case to which supply and discharge conduits are respectively connected to an inlet port and an outlet port without disturbing the conduit connections. The pump stages comprise a first or booster stage having multiple impellers and a second stage of a single impeller, the impellers of the first and second stages being connected to and driven by different shafts, the speeds of which can be independent of one another.

REFERENCES:
patent: 1017001 (1912-02-01), Kane
patent: 2228425 (1941-01-01), Venderbush
patent: 3801217 (1974-04-01), Ryall et al.
patent: 3927763 (1975-12-01), Strub et al.
patent: 4105372 (1978-08-01), Mishina et al.

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