Air-conditioning systems for automobile vehicles

Claim 1

AN AIR CONDITIONING SYSTEM IN COMBINATION WITH AN AUTOMOTIVE VEHICLE, SAID VEHICLE HAVING A FRONT AND REAR COMPARTMENTS, A VERTICAL FIREWALL SEPARATING SAID COMPARTMENTS AND HAVING AN OPENING THEREIN, A CROSS-MEMBER WITH AN UPWARDLY EXTENDING WIND SCREEN THEREON CAPPING SAID WALL, SAID SYSTEM COMPRISING AN INTERMEDIATE COMPARTMENT EXTENDING THROUGH SAID OPENING IN SAID FIREWALL, A COWL LOCATEDI N SAID FRONT COMPARTMENT AND HAVING OPENINGS THEREIN, MEANS DIVIDING SAID INTERMEDIATE COMPARTMENT INTO FORWARD AND REARWARD SECTIONS, SAID COWL OPENINGS PLACING SAID FORWARD SECTION IN COMMUNICATION WITH THE OUTER AIR, FIRST AND SECOND DUCT MEANS MOUNTED IN SAID DIVIDING MEANS TO INTERCONNECT IN SAID FIRST REARWARD SECTIONS, HEATER MEANS MOUNTED IN SAID FIRST DUCT MEANS, SAID SECOND DUCT MEANS BEING A BYPASS OF SAID HEATER, MEANS FOR CONTROLLING THE RELATIVE PROPORTIONS OF HEATED AND UNHEATED AIR THROUGH EACH SAID DUCT MEANS RESPECTIVELY TO SAID REARWARD SECTION, SAID HEATED AND UNHEATED AIR MIXING TO A SUBSTANTIALLY UNIFORM TEMPERATURE IN SAID REARWARD SECTION, UPPER AND LOWER VENTILATION DIFFUSERS IN SAID REARWARD SECTION, FIRST EXHAUST DEFLECTIONMEANS N SAID UPPER VENTILATON DIFFUSER FOR DIRECTING HEATED AIR TO THE WINDSCREEN FOR DEMISTING, SECOND EXHAUST DEFLECTION MEANS IN SAID LOWER VENTILATION DIFFUSER FOR DIRECTING THE AIR FLLOW THEREFROM, AND A FORCE CIRCULATION VENTILATOR LOCATED WITHIN SAID REAR COMPARTMENT.