Mounting assembly for a pressure transmitter

Claim 1

A mounting assembly for a pressure sensor in a pressure transmitter, the mounting assembly comprising: a header having a cavity opening to a first surface and a first recess formed in the header above The first surface, wherein the first recess has a width greater than that of the cavity, the cavity being defined by an inner surface and an inner sidewall, the header further having a second recess opening to the inner surface; a support formed from a first material having a first support end, a second support end and a center section having a surface spaced-apart from and facing the inner surface, the center section having a width greater than that of the first support end or the second support end, wherein the first support end is received in the second recess and joined to surfaces forming the second recess and wherein an outer surface of the center section is spaced-apart from and conforms to corresponding portions of the inner sidewall of the cavity facing the outer surface of the center section; a pedestal formed from a second material having a first pedestal end disposed in the first recess for supporting the pressure sensor and a second pedestal end joined to the second support end, the second pedestal end having an aperture for receiving the second support end, wherein the second pedestal end has a width matching the width of the center section, wherein an outer surface of the pedestal is spaced-apart from and conforms to corresponding portions of the inner sidewall of the cavity facing the outer surface of the pedestal and wherein the pedestal and the support substantially fill the cavity; and a spacer disposed in the first recess.