SELF-ACTING AIR BLEEDER Russian patent published in 2001 - IPC

FIELD: heating systems. SUBSTANCE: self- acting air bleeder contains housing with heat-transfer agent, float, and stop valve. The float is connected to the stop valve through two corrugated flexible spaces made of bellows having different cross-section areas. The spaces are interconnected through perforated partition fixed to the housing. One of the openings of the partitions connects spaces of the bellows, other openings connect upper and bottom parts of the housing. EFFECT: enhanced reliability of the self- acting bleeder. 2 cl, 2 dwg