AIR HANDLING DEVICE Russian patent published in 2009 - IPC A61L9/12 

FIELD: production processes.

SUBSTANCE: invention can be used for improvement of room microclimate. Air handling device includes housing, tank with liquid equipped with return valve, liquid supply valve located in lower part and discharge unit consisting of housing and valve located in housing lower part, actuating mechanism and pull-back spring. Actuating mechanism is performed in a form of a shell connected to the tank by bottom, piston located inside the shell and equipped with return valve contacting the support. The support is located inside the shell and installed with the possibility of limited shifting towards shell bottom and bellows. The latter are installed concentrically to closing element and hermetically connected with piston and shell bottom with cavity formation between them. This cavity communicates with discharge unit housing inner cavity. Shell bottom has axial bore equipped with closing element in a form of sphere with rod equipped with movable scuff plate, and spring with one end contacting scuff plate, and with the other end - shell bottom. Pull-back spring is located between piston and shell bottom. Piston is performed with the possibility of contacting closing element rod scuff plate. Discharge unit valve is installed with the possibility of opening at piston contacting closing element rod scuff plate, and liquid supply valve - with possibility of liquid supply to discharge unit housing inner cavity. Return valves of tank with liquid and piston are installed with the possibility of air supply correspondingly to tank with liquid and bellow cavity of small diametre and piston shifting from shell bottom.

EFFECT: increase of liquid dosing accuracy and air handling effectiveness.

2 dwg