CAPTIVE LIFTING DEVICE FOR AEROSTAT Russian patent published in 2007 - IPC B64B1/50 

FIELD: aerostatics.

SUBSTANCE: proposed captive lifting device has three captive cables; first end section of each cable is secured to aerostat envelope and second end is connected with ground winch mechanism. Inclined bearing surfaces of device are located radially relative to aerostat pad center; they are inclined in direction from center of this pad outside. Each bearing surface is provided with carriage mechanism including the carriage and pressure roller located above carriage. Second end section of each captive cable is passed between pressure roller and carriage and is rigidly secured in upper part of inclined bearing surface. Each carriage is engageable with flexible transfer device which is used for control of motion of carriage over inclined bearing surface; this device includes drive pulley, driven pulley secured in upper part of inclined bearing surface and run of transmission which are oriented along inclined bearing surface.

EFFECT: increased service life of aerostat; enhanced stability of aerostat.

2 cl, 1 dwg