Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark J. Rudkin0
Date of Patent
August 21, 2007
Patent Application Number
11132441
Date Filed
May 19, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A pressure measuring device (2) includes a vibrating ferromagnetic cylinder (4) and mechanically located within a casing (6). A diaphragm (24) is directly connected to the cylinder and forms a pressure measurement surface. Pressure on the diaphragm (24) results in a force and stresses in the cylinder (4) which change the resonant frequency of the vibrating cylinder.
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