GUIDE VANE, TURBOMACHINE COMPRISING GUIDE VANE, AND METHOD OF ASSEMBLING SAID TURBOMACHINE Russian patent published in 2019 - IPC F01D17/16 F01D5/14 F04D29/56 

FIELD: machine building.

SUBSTANCE: turbomachine guide blade has a trough, a back, an opposite trough, a first end, a second end and a middle part. Middle portion extends between first end and second end. First end has distal part, which is far from middle part and has far surface passing between trough and back, near part, which is near to middle part, first part of trough and first part of back. First part of the trough and/or the first part of the back is diverted from the other of the specified parts so that the thickness of the blade at the first end increases from the minimum thickness in the specified near part to the maximum thickness in the specified far part. Above first part of the trough and/or the first part of the back is inclined along the direction passing from the specified near part to the specified distant surface of the far part, besides, the inclination is constant from the near part to the far surface. Other inventions of the group relate to a turbomachine including the above guide vane, as well as to a method of assembling a turbomachine, involving connection of the first end of the above guide vane to the first element of the body with possibility of rotation.

EFFECT: group of inventions makes it possible to reduce end vortices and losses on a guide vane of a turbomachine.

24 cl, 4 dwg