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US 9,309,896 B2Granted
Compressor unit and a method to process a working fluid
AssigneeNuovo Pignone S.p.A.
InventorsGiuseppe Vannini, Luciano Mei, Massimo Pinzauti, Franco Frosini
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Abstract
A compressor unit for processing a working fluid comprising a compressor inside a housing to compress the working fluid wherein a collection chamber is fluidly coupled with a working fluid inlet of said housing.
Claims20
A compressor unit for processing a working fluid, the compressor unit comprising:
- a compressor inside a housing to compress the working fluid;
- and
- a collection chamber fluidly coupled with a working fluid inlet of the housing and with a balance system of the compressor,
- wherein the collection chamber is filled with part of the working fluid to balance at least in part an axial thrust of the compressor during a working phase, and wherein other part of the working fluid enters the compressor to be worked.
1 more element
A method to process a working fluid, the method comprising:
- providing a compression unit with a housing, the compression unit comprising a compressor inside the housing and a collection chamber fluidly coupled with a working fluid inlet of the housing and with a balance system of the compressor;
- associating the compression unit to external auxiliaries on a working place;
- operating the compression unit to compress the working fluid, wherein operating the compression unit comprises filling the collection chamber with part of the working fluid to balance at least in part an axial thrust of the compressor, wherein other part of the working fluid enters the compressor to be worked.
A compressor unit for processing a working fluid, the compressor unit comprising:
- a compressor inside a housing to compress the working fluid;
- and
- a collection chamber fluidly coupled with a working fluid inlet of the housing and with a balance system of the compressor,
- wherein the collection chamber is configured to completely drain liquid that enters the compressor unit during a submerged installation phase to avoid passage of the liquid to inside the compressor, and
- wherein the collection chamber is filled with part of the working fluid to balance at least in part an axial thrust of the compressor during a working phase and wherein other part of the working fluid enters the compressor to be worked.
2 more elements
Dependencies are inferred from the claim text.