DEVICE FOR PRODUCTION OF COLD GAS JET Russian patent published in 1997 - IPC

FIELD: cryogenic medicine. SUBSTANCE: device contains heat-insulated vessel filled with liquid cooling agent and supply nozzle which are connected with tap point for taking the cooling agent directly after heat-insulated vessel and inlet points by means of main line including the proportioner, heat exchanger, buffer vessel and shut-off member; besides that, device is provided with two bypass lines each of which is provided with proportioner and shut-off member. One inlet point is located in main line for heat exchanger and other point is located after it. Shut-off members fitted in bypass lines work in counter-phase mode of opening and closing. EFFECT: enhanced reliability. 1 dwg