Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural rigidly related blade sets
Reexamination Certificate
2004-11-12
2009-12-15
Kershteyn, Igor (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural rigidly related blade sets
C415S199200, C415S200000, C415S182100, C415S215100, C415S216100, C029S888020, C029S888024
Reexamination Certificate
active
07632065
ABSTRACT:
A centrifugal pump includes a diffuser section for decreasing a velocity of the fluid discharged from an impeller, a return vane for leading the fluid which has passed through the diffuser section to a discharge side, and a main plate to which the diffuser section and the return vane are fixed.
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Kato Hiroyuki
Kawabata Junya
Mori Kikuichi
Ebara Corporation
Kershteyn Igor
Wenderoth , Lind & Ponack, L.L.P.
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