Patent ID: 6139263
Filing Date: 2000-10-31
Classification: F01D,F05B,F05D

Abstract:
A flow machine comprising:a rotor and a stator aligned axially, the rotor comprising a plurality of moving blades, the stator comprising a housing comprising a plurality of guide vane rings, each guide vane ring comprising a radially inner cover band and a radially outer cover band,the inner cover band of at least one of the guide vane ring is connected to a reinforcement component to inhibit axial deformation of the at least one guide vane ring,the outer cover band of the at least one guide vane ring comprises a circumference having a plurality of parting seams distributed over said circumference,the housing being connected to at least one bearing element, the outer cover band of the at least one guide vane ring being connected to a bearing element, the bearing element of the outer cover band of the at least one guide vane ring engaging the bearing element of housing,the housing having an inner surface connected to an air guide shell disposed between the housing and the outer cover band of the at least one guide vane ring, the air guide shell and the inner surface of the housing defining an inner chamber for directing a cooling air stream along the inner surface of the housing, the air guide shell further comprising an opening disposed adjacent to the bearing element of the housing for directing part of the cooling air stream towards the outer cover band of the at least one guide vane ring.