DEVICE FOR GENERATING A GAS-DROPLET STREAM AND VALVE

摘要

The present invention relates to a device for generating a gas-droplet stream, wherein said device includes a gas-dynamics nozzle (1) which is connected to a chamber (2) for mixing the gas and the liquid and containing a liquid-flow dispersion system (3). The chamber (2) is connected to a liquid and gas supply system through a controlled valve, wherein said valve ensures the early inlet of a gas flow prior to that of the liquid when the device is turned on, and interrupts the liquid supply prior to the gas supply when said device is turned off. The valve comprises two closure members (5, 6) which co-operate with seats provided on the walls of sealed chambers (8, 9) and which communicate respectively with liquid- and gas-supply ducts (10, 11). The member (5) is rigidly connected to a rod (7) so as to be brought in contact with the seat in the gas-supply chamber(8), while the member (6) is coaxially mounted on said rod (7) so as to be capable of displacement along the same upon interaction with an abutment (12).