BEARING SUPPORT RING UNIT (DESIGN VERSIONS) Russian patent published in 1999 - IPC

FIELD: mechanical engineering; gas turbine engines. SUBSTANCE: proposed invention relates to section of bearing support 24 for turbine-driven set. Bearing 26 is installed in hermetically sealed ring oil chamber 44 formed by casing 34 which has first end 68 and second end 72 accommodating first seal 70 and second seal 74 between casing and shaft 10. First hermetically sealed ring air space 118, 120 is formed by wall 50, 54 installed with clearance with sealing relative to casing 34. Second hermetically sealed ring air space 122, 124 is formed by second wall 52, 56 installed with clearance with sealing relative to first wall 50, 54. hermetically sealed air spaces provide additional heat insulation of oil chamber 44. EFFECT: enlarged operating capabilities. 9 cl, 5 dwg