Inducer tip vortex suppressor

Details Inducer tip vortex suppressor Inducer tip vortex suppressor

2006-08-29

2006-08-29

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

With means for re-entry of working fluid to blade set

Re-entry working fluid joins inlet working fluid upstream of...

C415S183000, C415S186000, C415S914000

Reexamination Certificate

active

07097414

ABSTRACT:
Embodiments of the invention provide a method, device, and turbopump configured to suppress higher order cavitations at an inducer tip in a turbopump. An inducer having a tip is rotated, and a first flow is induced axially through the inducer at a first velocity. A second fluid flow is introduced toward a tip of the inducer substantially parallel to the first fluid flow at a second velocity that is greater than the first velocity, such that back flow through the tip of the inducer is reduced.

REFERENCES:
patent: 3307776 (1967-03-01), White
patent: 5762034 (1998-06-01), Foss
patent: 6244817 (2001-06-01), Ngo
patent: 6379110 (2002-04-01), McCormick et al.
patent: 2002/0192073 (2002-12-01), Japikse
patent: 3524297 (1987-01-01), None
patent: 0 606 475 (1994-07-01), None

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