Cooling means for thermostats

Claim 1

A CONTROL SYSTEM OF THE CHARACTER DESCRIBED COMPRISING A SINGLE-POLE DOUBLE-THROW SWITCH HAVING A MOVABLE CONTACT AND TWO STATIONARY CONTACTS SELECTIVELY ENGAGEABLE THEREWITH; A HEAT-RESPONSIVE MEANS FOR MOVING SAID CONTACT INTO SELECTIVE ENGAGEMENT WITH SAID STATIONARY CONTACTS; AN ELEMENT IN HEAT RELATIONSHIP TO SAID MEANS FOR INFLUENCING THE OPERATION OF THE SAME; SAID ELEMENT HAVING TWO END PORTIONS, ONE OF SAID END PORTIONS BEING IN HEAT-CONDUCTIVE RELATIONSHIP WITH A P-TYPE MATERIAL, THE OTHER ONE OF SAID END PORTIONS BEING IN HEAT-CONDUCTIVE RELATIONSHIP WITH AN N-TYPE MATERIAL; A FIRST HEAT SINK IN HEAT-CONDUCTIVE RELATIONSHIP TO SAID N-TYPE MATERIAL; A SECOND HEAT SINK IN HEAT-CONDUCTIVE RELATIONSHIP WITH SAID P-TYPE MATERIAL; SAID FIRST AND SECOND HEAT SINKS CONVEYING HEAT PRODUCED BY SAID SWITCH AWAY FROM SAID ELEMENT; A FIRST SWITCH FOR CONNECTING SAID ELEMENT IN A FIRST SERIES CIRCUIT WITH SAID FIRST SERIES CIRCUIT COMPRISING: SAID FIRST SWITCH, ONE OF SAID STATIONARY CONTACTS, SAID MOVABLE CONTACT, SAID P-TYPE MATERIAL, SAID ELEMENT AND SAID N-TYPE MATERIAL; A SECOND SWITCH FOR CONNECTING SAID ELEMENT IN A SECOND SERIES CIRCUIT WITH SAID SECOND SERIES CIRCUIT COMPRISING: SAID SECOND SWITCH, THE OTHER ONE OF SAID STATIONARY CONTACTS, SAID MOVABLE CONTACT, SAID PTYPE MATERIAL, SAID ELEMENT AND SAID N-TYPE MATERIAL; MEANS RENDERING SAID FIRST AND SECOND SWITCHES ALTERNATELY EFFECTIVE TO COMPLETE SAID FIRST AND SECOND SERIES CIRCUITS; A SOURCE OF UNIDIRECTIONAL VOLTAGE HAVING A PAIR OF TERMINALS; AND TWO-POSITION REVERSING SWITCHING MEANS FOR ALTERNATELY CONNECTING SAID TERMINALS IN SAID FIRST AND SECOND SERIES TO PRODUCE CURRENT FLOW IN OPPOSITE DIRECTIONS THROUGH SAID ELEMENT CORRESPONDING TO THE POSITION OF SAID REVERSING SWITCHING MEANS.