Patent ID: 9365909
Filing Date: 2016-06-14
CPC Classification: C21D,F27D

Claim Text:
1. A gas quenching cell for a load, the cell comprising a centrifugal or mixed-flow impeller comprising a gas intake opening and gas discharge openings, the impeller being rotated by a motor to cause a gas flow between the load and a heat exchanger, the quenching cell comprising first and second mobile half-volutes, and wherein: in a first position, the first half-volute guides the gas discharged by a first portion of the discharge openings and the second half-volute shuts off a first portion of the intake opening; and in a second position, one of the first or second half-volute guides the gas discharged by a second portion, different from the first portion, of the discharge openings, and the other one of the first or second half-volute shuts off a second portion of the intake opening.