AUTOMATIC APPARATUS FOR REGULATING TEMPERATURE IN GREENHOUSE Russian patent published in 1997 - IPC

FIELD: agriculture. SUBSTANCE: automatic temperature regulating apparatus has power member 1 for transmitting force to movable member 8 mounted on guide 9 for movement under the action of power member 1. Movable member 8 is kinematically connected with ventilation door 12 and spaced from it by such distance that any force applied by ventilation door 12 does not cause member 8 to move on guide 9 and turn ventilation door 12. EFFECT: increased efficiency in temperature regulation, simplified construction and enhanced reliability in operation. 5 dwg