Patent ID: 6227055
Filing Date: 2001-05-08
Classification: G01L

Abstract:
A pressure sensor assembly comprising:a pressure port having a stud portion at an inboard axial end for attachment to a pressure vessel containing a pressurized fluid, and a cup portion at an outboard axial end for defining an internal cavity, a well formed in an inboard face of said internal cavity, and a first axial bore opening into said well and extending completely through said stud portion;a carrier disc secured within said internal cavity on an inboard face of said internal cavity;a sensor diaphragm on a pedestal having a second axial bore and a laterally enlarged base portion, the pedestal extending through an opening in said carrier disc so that said first and second bores are axially aligned and said base portion seats against an inboard face of said carrier disc; andan adhesive joint between the base portion of said pedestal and the inboard face of said carrier disc, forming a seal between said well and said cavity, said pressurized fluid placing said adhesive joint in compression to enhance and maintain said seal.