Patent ID: 9249686
Filing Date: 2016-02-02
CPC Classification: B33Y,F01D,F04D,Y02T

Claim Text:
1. A housing for a turbomachine, comprising: a peripheral wall delimiting an annular space through which a main flow may flow; and a fluid conveying system for redirecting a partial flow of the main flow, the fluid conveying system including an axial channel, a front integral annular channel and a rear integral annular channel in fluid connection with the axial channel, the front integral annular channel having a front annular space opening and the rear integral annular channel having a rear annular space opening, the fluid conveying system further including a front valve device and a rear valve device controllable independently of the front valve device, for opening and closing the front and rear annular space openings respectively, and an outlet opening for tapping the partial flow from the fluid conveying system, in the closed state of the rear annular space opening, the partial flow being directable through the rear annular channel and, in the closed state of the front annular space opening, the partial flow being directable through the front annular channel.