Heating and ventilating system for air cooled engine cars

Claim 1

A HEATING AND VENTILATING SYSTEM IN AN AUTOMOBILE HAVING A PASSENGER COMPARTMENT AND AN AIR-COOLED ENGINE WITH A BANK OF FINNED CYLINDERS IN AN ENGINE COMPARTMENT, A MAIN BLOWER LOCATED IN SAID ENGINE COMPARTMENT, SAID MAIN BLOWER HAVING ITS DISCHARGE DIRECTED AT SAID BANK FOR COOLING THE LATTER WITH AIR, FIRST DUCK WORK ARRANGED TO GUIDE SAID COOLING AIR AROUND AND IN CONTACT WITH SAID BANK AND THEN TO SAID PASSENGER COMPARTMENT, AUTOMATIC MEANS FOR CONTROLLING THE TEMPERATURE OF SAID ENGINE DURING CHANGES IN ENGINE LOAD AND SPEED, A SECOND BLOWER IN SAID DUCT WORK, FURTHER DUCT WORK CONNECTING SAID MAIN BLOWER TO SAID FIRST DUCT WORK AND BYPASSING SAID BANK, DAMPER MEANS CONTROLLING THE FLOW OF AIR THROUGH SAID FIRST AND FURTHER DUCT WORK, AND THE ARRANGEMENT BEING SUCH THAT SAID BLOWERW ARE ADAPTED TO ACT IN SERIES FOR VENTILATING SAID COMPARTMENT WITH AIR BYPASSING SAID BANK AND ALSO IN SERIES FOR HEATING OF SAID COMPARTMENT WITH AIR FLOWING FROM SAID BANK.