GAS TURBINE ENGINE WITH DEVICE FOR LOCKING OF DISTRIBUTOR REVOLUTION IN CASE AND REVOLUTION LOCKING PIN Russian patent published in 2015 - IPC F01D25/24 F01D9/04 

FIELD: engines and pumps.

SUBSTANCE: gas turbine engine comprises distributor segment revolution locking device arranged inside engine circular case and heat insulation sheet fitted between case inner wall and distributor segment outer wall. Revolution locking device comprises locking pin fitted simultaneously in recess made in distributor segment and in case seat. Heat insulation sheet includes lug resting on locking pin. Locking device comprises surface section arranged radially between said lug and said case inner wall to make the thrust at possible radial shift of said heat insulation sheet in operation of gas turbine engine. Another invention of this set relates to versions of locking pin used in this gas turbine engine. In compliance with one version, said locking pin comprises straight rod and heat with first side parallel with rod axis and surface section perpendicular to said first side arranged opposite said rod. In compliance with the other version, this pin includes extra lug perpendicular to straight rod axis. Note here that surface section perpendicular to first side is composed said lug.

EFFECT: lower case wear owing to ruled out contact with heat-protection sheet.

9 cl, 6 dwg