Vehicle air-conditioning units

Claim 1

AN AIR-CONDITIONING DEVICE FOR AUTOMOTIVE VEHICLES AND SIMILAR MOBILE DEVICES HAVING A COMPARTMENT IN WHICH THE CONDITION OF THE AIR IS TO BE MAINTAINED WITHIN A SELECTED RANGE, SAID DEVICE COMPRISING AN INNER ROTATABLE HOUSING HAVING AN OUTER SPIRALLY SHAPED HOUSING, A FIRST STATIONARY SHAFT EXTENDING INTO ONE END OF SAID INNER HOUSING, A ROTATABLE SHAFT DISPOSED AROUND AND EXTENDING ALONG SAID FIRST STATIONARY SHAFT, A COMPRESSOR MOUNTED ON ONE END OF SAID ROTATABLE SHAFT AND BEING ROTATABLE THEREWITH, A CONTROL DEVICE MOUNTED ON SAID COMPRESSOR AND BEING ROTATABLE THEREWITH, A ROTATABLE CONDENSER EXTENDING COAXIALLY WITH SAID ROTATABLE SHAFT AND BEING SECURED TO SAID CONTROL DEVICE, A SECOND STATIONARY SHAFT EXTENDING INTO THE OTHER END OF SAID INNER HOUSING IN COAXIAL RELATION TO THE FIRST STATIONARY SHAFT, AN EVAPORATOR ROTATABLY MOUNTED ON SAID SECOND STATIONARY SHAFT AND BEING RIGIDLY SECURED TO SAID CONTROL DEVICE FOR ROTATION THEREWITH, MEANS FOR ESTABLISHING A FLOW OF AIR OVER THE EVAPORATOR SO THAT COOLED AIR IS DELIVERED FROM THE EVAPORATOR, AND AIR-FLOW CONTROL MEANS MOUNTED WITHIN SAID HOUSING AND BEING STATIONARY WITH RESPECT TO SAID ROTATABLE EVAPORATOR, SAID AIR-FLOW CONTROL MEANS BEING ADAPTED TO THROTTLE THE VOLUME OF AIR BEING DELIVERED FROM THE EVAPORATOR RESPONSIVE TO CHANGES IN THE SPEED OF ROTATION OF THE EVAPORATOR.