Heating installation, especially for motor vehicles

Claim 1

A VENTILATING INSTALLATION FOR VEHICLES COMPRISING VERTICALLY DISPOSED HEAT EXCHANGER MEANS HAVING SPACED FRONT AND REAR FACES AND ADAPTED TO EFFECT A CHANGE IN THE TEMPERATURE OF THE AIR PASSING THERETHROUGH AND HAVIONG INLET MEANS AND OUTLET MEANS FOR THE ADMISSION AND DISCHARGE OF A FLOW MEDIUM THROUGH SAID HEAT EXCHANGER MEANS IN HEAT TRANSFER RELATIONSHIP TO SAID AIR, SAID HEAT EXCHANGER MEANS INCLUDING A HORIZONTAL PARTITION WALL SUBDIVIDING SAID HEAT EXCHANGER MEANS INTO UPPER AND LOWER HALF PORTIONS, MEANS PROVIDING A FLOW OF SAID MEDIUM IN OPPOSITE DIRECTIONS THROUGH SAID HALF PORTIONS INCLUDING MEANS IN SAID LOWER HALF PORTION RECEIVING SAID MEDIUM FROM SAID INLET MEANS AND MEANS IN SAID UPPPER HALF PORTION DISCHARGING SAID MEDIUM TO SAID OUTLET MEANS, SAID PORTIONS COMPRISING SUCCESSIVE SECTIONS EACH HAVING TEMPERATURES LOWER THAN THOSE OF THE PRECEDING SECTION, AIR INLET MEANS COMMUNICATING WITH SAID FRONT FACE OF SAID HEAT EXCHANGER MEANS AND SUPPLYING AIR FOR PARALLEL PATHS OF AIR FLOW DEFINED BY SAID UPPER AND LOWER HALF PORTIONS, DISTRIBUTING MEANS FOR SAID AIR INCLUDING FOUR LINE MEANS ADAPTED TO LEAD TO VARIOUS PARTS WITHIN THE VEHICLE INTERIOR SPACE, AND MEANS OPERATIVELY CONNECTING SAID FOUR LINE MEANS WITH SAID REAR FACE OF SAID HEAT EXCHANGER MEANS INCLUDING TWO SPACED DISCHARGE APERTURE MEANS, ONE OF SAID TWO APERTURE MEANS BEING DISPOSED ADJACENT TO AND COMMUNICATING WITH ONE OF SAID SECTIONS HAVING THE HIGHEST TEMPERATURE AND WITH A FIRST OF SAID FOUR LINE MEANS, SAID ONE OF SAID TWO APERTURE MEANS BEING FURTHER ADJACENT TO AND COMMUNICATING WITH AN OTHER OF SAID SECTIONS HAVING THE LOWEST TEMPERATURE AND WITH A FOURTH OF SAID FOUR LINE MEANS, THE OTHER OF SAID TWO APERTURE MEANS BEING DISPOSED ADJACENT TO AND COMMUNICATING WITH ONE OF SAID SECTIONS HAVING THE SECOND HIGHEST TEMPERATURE AND WITH A SECOND OF SAID FOUR LINE MEANS, SAID OTHER OF SAID TWO APERTURE MEANS BEING FURTHER ADJACENT TO AND COMMUNICATING WITH ONE OF SAID SECTIONS HAVING THE THIRD HIGHEST TEMPERATURE AND WITH THE THIRD OF SAID LINE MEANS, THE INITIAL PORTIONS OF SAID FIRST AND FOURTH LINE MEANS BEING MUTUALLY ADJACENT AND THE INITIAL PORTIONS OF SAID SECOND AND THIRD LINE MEANS BEING MUTUALLY ADJACENT.