Patent ID: 6637272
Filing Date: 2003-10-28
Classification: G01L

Abstract:
A direct-passage manometer comprising:a body having a recessed curved surface at a central portion into which at least two channels open along intersecting lines for permitting direct passage entry and exit of fluid whose pressure is to be measured; a diaphragm that seals said curved surface and that seals against a seating member of said body; a load cell which holds said diaphragm against said sealing member by first fixing means; a movement amplifying device that rests on said diaphragm and that is connected to an indicator, said movement amplifying device being mounted on said load cell and being secured thereto by second fixing means; wherein said at least two channels are rectilinear and radial relative to said body and have opening holes into said recessed curved surface that form an elliptical profile, said opening holes being machined and treated so as to avoid any retention zones.