AERATION VALVE Russian patent published in 1994 - IPC

FIELD: valving. SUBSTANCE: valve member is coupled with a float via a rod. The float is positioned within a case. A seat is provided with a bushing with bearings mounted coaxially in relation to the rod of the valve member. Outer end of the rod is secured to inner surface of the float. The valve member and float are positioned at the middle part of the case with a space from the its walls. Air discharging pipe is curved and its ends face bottom and project out of the wall of the case. EFFECT: improved design. 5 dwg