Title:
充填管を用いた圧力測定方法および装置
Document Type and Number:
Japanese Patent JP2012510632
Kind Code:
A
Abstract:
A pressure sensor includes a fill tube which is arranged to couple to a process pressure. A sensor is coupled to the fill tube and is configured to measure pressure of fluid in the fill tube as a function of a change of a physical property of the fill tube. Circuitry is provided to measure pressure using the pressure sensor, and to measure pressure based upon the change of the physical property of the fill tube.
Inventors:
Wilcock, Charles, Earl.
Hazke, Robert, Sea.
Lou, Lian-Ju
Hazke, Robert, Sea.
Lou, Lian-Ju
Application Number:
JP2011539562A
Publication Date:
May 10, 2012
Filing Date:
November 17, 2009
Export Citation:
Assignee:
Rosemount Incorporated
International Classes:
G01L13/06; G01L13/02; G01L19/00
Domestic Patent References:
| JP2003532104A | 2003-10-28 | |||
| JPH09229797A | 1997-09-05 | |||
| JPH0288921A | 1990-03-29 | |||
| JP2002228533A | 2002-08-14 | |||
| JPS61209333A | 1986-09-17 | |||
| JPH04369446A | 1992-12-22 | |||
| JPS5687816A | 1981-07-16 | |||
| JP2000352536A | 2000-12-19 | |||
| JP2000266621A | 2000-09-29 | |||
| JP2000234978A | 2000-08-29 | |||
| JPH09138171A | 1997-05-27 | |||
| JPS57139633A | 1982-08-28 | |||
| JPH02266242A | 1990-10-31 | |||
| JP2003532104A | 2003-10-28 | |||
| JPH09229797A | 1997-09-05 |
Attorney, Agent or Firm:
Kaori Tanaka
Kiyotaka Sakamoto
Sanji Tanabe
Kiyotaka Sakamoto
Sanji Tanabe