Centrifugal turbo machine with axial thrust control member

Details Centrifugal turbo machine with axial thrust control member Centrifugal turbo machine with axial thrust control member

2008-04-08

2008-04-08

Look, Edward K. (Department: 3745)

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

C415S170100

Reexamination Certificate

active

07354240

ABSTRACT:
There is provided a centrifugal turbo machine comprising: a volute casing; a rotation axis coupled with the volute casing through a bearing; an impeller which is coupled to an end of the rotation axis and sucks fluid with a centrifugal force due to its rotation; and an axial thrust control member which is coupled to the volute casing at the rear of the impeller in a direction in which the fluid flows and prevents rotation of the fluid by the impeller. It is easy to fabricate and install the centrifugal turbo machine and it is possible to reduce the difference in static pressure of fluid by using the economical axial thrust control member so as to prevent the generation of the axial thrust, which results in damage of the bearing, etc. Therefore, it is possible to stably operate the centrifugal turbo machine.

REFERENCES:
patent: 4047847 (1977-09-01), Oikawa
patent: 5320482 (1994-06-01), Palmer et al.
patent: 6502994 (2003-01-01), Jackson

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