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US 6,637,272 B1Granted
Manometer with direct passage
AssigneeBourdon S.A.
InventorPaul-Edouard Bariere
Life of this patent
Estimating the term…
Abstract
A direct passage manometer includes a body into which at least two rectilinear channels open into a recessed curved surface at a central portion thereof. A diaphragm seals the curved surface at the center of the body and is fixed in place by a load cell. The load cell has a movement amplifying device and indicator mounted thereon. The movement amplifying device rests on the diaphragm, connects to the indicator and is fixed in place by the load cell. The opening holes of the two channels are elliptical in profile and machined so as to avoid any retention zones.
Claims8
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.
2 more elements
Dependencies are inferred from the claim text.