Turbopump system for driving a plurality of pumps

Details Turbopump system for driving a plurality of pumps Turbopump system for driving a plurality of pumps

1991-07-26

1993-01-05

Bertsch, Richard A.

Pumps

Motor driven

Fluid motor

417406, 60259, 60268, F04B 1700

Patent

active

051765080

ABSTRACT:
A turbopump system for pumping two separate fluids is disclosed having a r of concentric turbine rotors located within a turbine casing, each directly connected to a pump impeller. The centrifugal pumps, which may be located on opposite sides of the turbine casing are separately connected to their respective fluids such that the two fluids may be pumped simultaneously. A propellant fluid is directed through a generally annular space defined between the concentric turbine rotors to rotate them in opposite directions. Turbine blades attached to each of the turbine rotors extend into this annular space in order to drive the turbine rotors. The pitches of the turbine blades are such that the rotors are driven in opposite directions and one of the turbine rotors may be driven at a different speed than the other.

REFERENCES:
patent: 2816417 (1957-12-01), Bloomberg
patent: 2839005 (1958-06-01), Means
patent: 4155684 (1979-05-01), Curiel et al.
French Search Report (Apr. 19, 1991).

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