Diaphragm-type high pressure transducer

Claim 1

A PRESSURE TRANDSUCER OF THE DIAPHRAGM-TYPE ADAPTED FOR ACCURATE TRANSLATION OF DIFFERENCE OF PRESSURES EXHIBITED AT OPPOSITE FACES OF A DIAPHRAGM, SAID TRANSDUCER COMPRISING: FIRST MEANS, INCLUDING FUSION-UNITED MEANS AT LEAST A PORTION OF WHICH IS UNDER HIGH TENSILE STRESS AND ANOTHER PORTION OF WHICH IS UNDER HIGH COMPRESSION STRESS, SAID PORTION UNDER HIGH COMPRESSION STRESS INCLUDING AT LEAST INNER ANNULAR PORTIONS OF FIRST AND SECOND RIGID BLOCK-LIKE BODY MEMBERS HAVING OPPOSED FACES PRESENTING RESPECTIVE GENERALLY ANNULAR FLAT SURFACES EACH ENCIRCLING A CENTRAL PORTION THEREOF, AND SAID BODY MEMBERS EACH HAVING PROVISIONS INCLUDING A RESPECTIVE PASSAGE FOR PASSING FLUID UNDER PRESSURE THERETHROUGH TO THE SAID CENTRAL PORTION OF FACE THE RESPECTIVE THEREOF, AND THE FUSION-UNION IN SAID FIRST MEANS INCLUDING FUSED METAL UNDER HIGH TENSILE STRESS, SECOND MEANS, INCLUDING A DIAPHRAGM DEVICE HAVING AN ANNULAR RIM PORTION PRESENTING A GENERALLY FLAT ANNULAR FACE COMPLEMENTARY TO AND IN INTIMATE CONTACT WITH THE SAID GENERALLY ANNULAR FLAT SURFACES OF SAID BODY MEMBERS AND HELD THEREBETWEEN AGAINST ALL MOVEMENT THEREBETWEEN UNDER HIGH COMPRESSIVE STRAIN, AND SAID DIAGPHRAGM DEVICE HAVING AN ELASTIC THIN CENTRAL PORTION ENCIRCLED BY AND INTEGRAL WITH SAID RIM PORTION AND COMPLEMENTING SAID CENTRAL PORTIONS OF THE SAID BODY MEMBERS TO THEREWITH FORM ENCLOSED CHAMBERS IN COMMUNICATION WITH RESPECTIVE ONES OF SAID PASSAGES WHEREBY FLUIDS UNDER PRESSURE MAY BE ADMITTED TO RESPECTIVE ONES OF SAID CHAMBERS AND ELASTICALLY FLEX SAID CENTRAL PORTION OF SAID DIAPHRAGM AND CREATE OPPOSING FORCES ON SAID DIAPHRAGM DEVICE AND SAID BODY MEMBERS TENDING TO SEPARATE SAID DIAPGHRAGM AND SAID BODY MEMBERS; AND THIRD MEANS, INCLUDING MEANS RESPONSIVE TO ELASTIC FLEXING OF SAID CENTRAL PORTION OF SAID DIAPHRAGM DEVICE TO PRODUCE A SIGNAL REPRESENTATIVE OF THE EXTENT OF THE FLEXING; SAID FIRST MEANS INCLUDING MEANS MAINTAINING THE SAID COMPLEMENTARY GENERALLY ANNULAR FACES OF SAID BODY MEMBERS AND SAID ANNULAR FACE OF SAID RIM PORTION OF SAID DIAPHRAGM DEVICE TOGETHER IN INTIMATE CONTACT UNDER HIGH COMPRESSIVE STRAIN UNDER FORCES IN EXCESS OF THE MAXIMUM VALUE OF SAID OPPOSING FORCES TENDING TO SEPARATE SAID DIAPHRAGM AND SAID BODY MEMBER, WHEREBY ALL RADIAL MOVEMENT OF THE ANNULAR PORTION OF SAID DIAPHRAGM DEVICE ENCIRCLING THE ELASTIC THIN CENTRAL PORTIJON THEREOF IS PREVENTED AND WHEREBY LINEARITY ERROR ATTRIBUTABLE TO SUCH MOVEMENT IS OBVIATED.