| 摘要 |
aviation; helicopter heating systems. SUBSTANCE: helicopter has fuselage consisting of framework and outer skin, power plant, rotor, landing gear and oven secured on framework by means of brackets on the outside of fuselage and connected with heaters of cargo and passenger cabin and pilot cabin by means of heated air supply ducts passing through holes in fuselage skin; oven is guarded by hood engageable with outer skin. Oven is located above longitudinal datum line of fuselage; oven is movably connected to framework by means of lower brackets and is rotatably connected relative to axes of connection of lower brackets by means of upper brackets with rods and braces. Ducts supplying heated air to heaters of cargo and passenger cabin are located across fuselage on inner side of skin; to this end, holes are provided at level of nozzle of outlet hole for escape of heated air from oven. EFFECT: extended functional and operational capabilities of helicopter. 2 cl, 4 dwg
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