Importance

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Abstract

The present invention relates to a compressor and method for operating a compressor comprising a first stage comprising a first stage bypass cavity and a first stage outlet, an intercooling zone in communication with said first stage outlet, a second stage comprising a second stage inlet and a second stage outlet in communication with said intercooling zone, a gearbox disposed proximate to the first stage outlet and the second stage inlet, wherein both stages communicate with the gearbox through their respective rotor shafts, a valve, wherein the valve provides means for communications between the first stage bypass cavity and the second stage during unloaded conditions, and intercooling means operable for injecting cooling fluid into the intercooling zone.

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First Claim