Poppet valve thermostat compensated as to pressure

Claim 1

A THERMOSTAT VALVE ASSEMBLY COMPRISING A SUPPORTING FLANGE ELEMENT HAVING A VALVE SEAT DEFINING A DISCHARGE PORT OF A FLUID, A BRACKET FIXED TO SAID FLANGE ELEMENT AND PRESENTING AN OPEN STRUCTURE DEFINING AN INLET FOR SAID FLUID AND INCLUDING A PLATE SPACED FROM SAID FLANGE ELEMENT, A VALVE ARRANGED TO SEAT ON SAID VALVE SEAT ON ONE SIDE OF SAID DISCHARGE PORT, A THERMO-SENSITIVE MOTOR ARRANGED ON THE OTHER SIDE OF SAID DISCHARGE PORT AND HAVING TELESCOPICALLY ARRANGED PARTS ADAPTABLE COOPERATIVELY TO DEVELOP A FORCE UPON AN INCREASE IN TEMPERATURE, ONE OF SAID PARTS BEING FIXED TO SAID VALVE TO APPLY SAID FORCE TO THE LATTER AND THE OTHER BEING LOCATED BETWEEN SAID SUPPORTING FLANGE AND SAID PLATE AND MOVABLE TO AND FROM THE LATTER FIRST SPRING MEANS URGING SAID VALVE AND SAID ONE OF SAID MOTOR PARTS AGAINST SAID FORCE AND TOWARD SAID PLATE TO CLOSE SAID DISCHARGE PORT, AND SECOND SPRING MEANS BEING IN COMPRESSION BETWEEN SAID OTHER MOTOR PART AND SAID PLATE URGING BOTH OF SAID MOTOR PARTS AND THE SAID VALVE AWAY FROM SAID PLATE.