ES197639U - Improved control device for a vehicle air conditioning system (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

An improved control device for a vehicle air conditioning system, of the type including a heater, a fan and a cooling unit provided with a compressor and an evaporator, the control system having a first mobile flap between a first position, in which it allows the air from the outside of the vehicle to flow on the evaporator of the refrigeration unit and a second position in which it directs the air from the interior of the passenger compartment onto the evaporator, a second mobile trapdoor to regulate the flow of air. air between the evaporator and the heater and a third mobile gate to direct the flow of air towards the windshield or directly into the interior of the vehicle, characterized in that it comprises a push-button unit (80) operable to select predetermined operating states of the system , a first lever (62) for adjusting the second flap (40) to a selected position between its two extreme positions, a second lever (74) which operates a switch (72) to selectively regulate the speed of the fan (24), a vacuum source (92), vacuum actuator means (100, 120) , 434, 190) connected to the pushbutton unit (80) by means of a conduit system (97, 98, 116, 118, 131, 160, 162, 176, 178, 182) and put into operation by pressing one of the associated push buttons (82, 200, 152) to move the first one. second and third flaps (20, 40, 50) to a preselected position and to control the operation of the heater (20) and means, controlled by said flaps, to connect the compressor or the fan, or both, to a power supply source . (Machine-translation by Google Translate, not legally binding)