Reversible heat pumps

Claim 1

IN A HEAT PUMP, THE COMBINATION COMPRISING, A ROTOR HAVING A HUB AND A PLURALITY OF SUBSTANTIALLY EQUALLY SPACED VANES FIXED TO SAID HUB AND EXTENDING RADIALLY OUT THEREFROM; A ROTOR HOUSING HAVING IN CONSECUTIVE ORDER A CLOSED FIRST SECTOR PORTION, AN OPEN SECOND SECTOR PORTION, A CLOSED THIRD SECTOR PORTION, AND AN OPEN FOURTH SECTOR PORTION WHICH IS DISPOSED TO RECEIVE GAS FROM AMBIENT SPACE AND DISCHARGE GAS TO AMBIENT SPACE, SAID ROTOR HOUSING BEING SO DISPOSED AROUND SAID ROTOR AS TO BE IN CLOSE PROXIMITY TO ALL OF THE PERIPHERAL EDGES OF SAID PLURALITY OF VANES AS THEY IN OPERATION ROTATE INTO SAID CLOSED FIRST SECTOR PORTION AND INTO SAID CLOSED THIRD SECTOR PORTION, TO THUS SUCCESSIVELY ENCLOSE INCOMING INTERVANE COMPARTMENTS IN SAID CLOSED FIRST SECTOR PORTION AND SUCCESSIVELY ENCLOSE OUTGOING INTERVANE COMPARTMENTS IN SAID CLOSED THIRD SECTOR PORTION; A FIRST PORT IN SAID CLOSED FIRST SECTOR PORTION OF SAID ROTOR HOUSING IN SUCCESSIVE COMMUNICATION WITH SAID INCOMING INTERVANE COMPARTMENTS; A SECOND PORT IN SAID CLOSED THIRD SECTOR PORTION OF SAID ROTOR HOUSING IN SUCCESSIVE COMMUNICATION WITH SAID OUTGOING INTERVANE COMPARTMENTS; AN INTERCONNECTING MEMBER HAVING A STREAMLINED CONSTRICTION IN THE MIDSECTION SO FORMED TO DEFINE A VENTURI PRESSURE INVERTER PASSAGEWAY, ONE END OF SAID INTERCONNECTING MEMBER BEING CONNECTED TO SAID HOUSING SO AS TO BE IN COMMUNICATION WITH SAID FIRST PORT AND THE OTHER END OF SAID INTERCONNECTING MEMBER BEING CONNECTED TO SAID HOUSING SO AS TO BE IN COMMUNICATION WITH SAID SECOND PORT, TO THUS EFFECT A RAPID PULSATING TRANSFER OF GAS THROUGH SAID INTERCONNECTING MEMBER AND BETWEEN SAID INCOMING AND SAID OUTGOING INTERVANE COMPARTMENTS, TO THEREBY EFFECT THE DESIRED ADIABATIC COMPRESSION AND ADIABATIC EXPANSION IN SAID INCOMING AND OUTGOING INTERVANE COMPARTMENTS; MEANS FOR PREVENTING THE DIRECT PASSAGE OF GAS BETWEEN ADJACENT INCOMING INTERVANE COMPARTMENTS AND BETWEEN ADJACENT OUTGOING INTERVANE COMPARTMENTS DURING THAT PERIOD WHEN THE VANE, OF SAID PLURALITY OF VANES, WHICH SEPARATES SAID ADJACENT INCOMING INTERVANE COMPARTMENTS IS IN THE POSITION OF SAID FIRST PORT AND DURING THAT PERIOD WHEN THE VANE, OF SAID PLURALITY OF VANES, WHICH SEPARATES SAID ADJACENT OUTGOING INTERVANE COMPARTMENTS IS IN THE POSITION OF SAID SECOND PORT; SEALED HEAT EXCHANGER ENCLOSURE MEANS HAVING HEAT EXCHANGER SURFACES AND SO ENCLOSING SAID ROTOR HOUSING AT SAID OPEN SECOND SECTOR PORTION THAT SAID ENCLOSURE CAN RECEIVE GAS FROM SAID INCOMING INTERVANE COMPARTMENTS SO THAT SAID GAS FROM SAID INCOMING INTERVANE COMPARTMENTS IMPINGES ON SAID HEAT EXCHANGER SURFACES TO EFFECT A CHANGE IN THE VAPOR CONTENT OF THE GAS AND SO THAT SAID CHANGED GAS IS DELIVERED TO SAID OUTGOING INTERVANE COMPARTMENTS; AND MEANS FOR EFFECTING ROTATION OF SAID VANED ROTOR.