PROPELLER ANTI-ICING SYSTEM Russian patent published in 1995 - IPC

FIELD: for flight vehicle, air cushion craft, snowplane. SUBSTANCE: system uses a spinner with electric-heating elements connected with the propeller hub by means a disk and through a diaphragm - with spinner centering hub 7, with movable plug-in connector 8 located inside. Socket 9 of casing 10 of plug-in connector 8 is formed by internal cylindrical surface 11 of spinner centering hub 7 and end face of diaphragm 12 located inside hub 7 and fastened to it. Casing 10 of plug-in connector 8 is made up of interior part 13 and exterior part 14, with contacts 15 installed between them for radial and axial movement and engagement of the slots of plug-in connector interior part 13 with contact flats, cylindrical bosses 18 of the connector interior part are located in holes 19 of diaphragm 12, and the connector exterior part is provided with taper guides 20 according to the number of contacts and is engageable with retaining ring 21. EFFECT: enhanced reliability of the system and adaptability to manufacture by self-adjustment of contacts. 10 dwg