Centrifugal compressor for high pressure with improved...

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural rigidly related blade sets

Reexamination Certificate

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C415S914000

Reexamination Certificate

active

06974304

ABSTRACT:
A centrifugal compressor for high pressure (10) with improved efficiency, of the type comprising a rotor (12), an inner case (14), diffusers (16) and diaphragms (18), wherein the surfaces which are subjected to passage of the flow of gas have been subjected to burnishing working.

REFERENCES:
patent: 3976395 (1976-08-01), Kalnin et al.
patent: 2004/0006870 (2004-01-01), Sasu et al.

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