| 摘要 |
The invention relates to the ventilation systems and may be used in agriculture, in particular in the systems for ventilation of the form product storing rooms. Summary of the invention consists in the ventilator of the fruit storage contains a shutter in the form of bell-crank, articulately fixed in the ventilator opening, as well as limiters of position thereof. Into each cavity of both cranks there are symmetrically placed an elastic capacity with water and a return piston interacting with its walls. One arm of the shutter is heat insulated from the outside and the other-from the inside. At the same time, the electric capacity placed into the cavity of the shutter, heat insulated from the outside, is filled with salted water.
|
