DEVICE FOR CONTROL OF AIR FLOW DIRECTION Russian patent published in 1997 - IPC

FIELD: control of air flow direction in heating and cooling devices. SUBSTANCE: device has drive 27, variable blades for control of direction of air flow, member 30 for transmission of drive force which is mounted for rectilinear motion, levers 25 and 26 for connecting member 30 for turn of blades, bracket 24 for attachment of above-mentioned components and fixtures for retaining the blades in required position and returning them to the initial position. Upper part of member 30 provided with guide slot 30 c with widened holes 30a and 30b at the ends and projections 30c in side wall of member 30 between holes. Fixture for retaining the blades in required position and returning them to the initial position contain two components 31 and 32 of slides located at the top and at the bottom of projections 30 for motion along guide slot and flexible member 34 for flexible connection of two components of slides. EFFECT: enhanced reliability. 3 cl, 6 dwg