Non-intrusive process fluid pressure measurement system
AssigneeRosemount Inc.
InventorCharles R. Willcox
Life of this patent
Estimating the term…
Abstract
A system for non-intrusively measuring process fluid pressure within a process fluid conduit is provided. The system includes a measurement bracket configured to couple to an external surface of the process fluid conduit. The measurement bracket generates a variable gap based on deformation of the process fluid conduit in response to process fluid pressure therein. A gap measurement system is coupled to the measurement bracket and provides an electrical signal based on a measurement of the variable gap. A controller is coupled to the gap measurement system and is configured to calculate and provide a process fluid pressure output based on the electrical signal and information relative to the process fluid conduit.
Claims27
A system for non-intrusively measuring process fluid pressure within a process fluid conduit, the system comprising:
- a measurement bracket configured to couple to an external surface of the process fluid conduit, the measurement bracket generating a variable gap based on deformation of the process fluid conduit in response to process fluid pressure therein;
- a gap measurement system coupled to the measurement bracket and configured to provide an electrical signal based on a measurement of the variable gap;
- a controller coupled to the gap measurement system and configured to calculate and provide a process fluid pressure based on the electrical signal and information relative to the process fluid conduit;
- and
- wherein the information relative to the process fluid conduit includes a wall thickness of the process fluid conduit.
A system for non-intrusively measuring process fluid pressure within a process fluid conduit, the system comprising:
- a measurement bracket configured to couple to an external surface of the process fluid conduit, the measurement bracket having a band configured to encircle the process fluid conduit and at least one arm extending transverse to the band;
- a gap measurement system coupled to the at least one arm of the measurement bracket and being configured to provide an electrical signal based on a variable gap between the gap measurement system and the process fluid conduit;
- a controller coupled to the gap measurement system and configured to calculate and provide a process fluid pressure based on the electrical signal and information relative to the process fluid conduit;
- and
- wherein the band is a rigid clamp that is configured to not deflect in response to pressure changes within the process fluid conduit.
Dependencies are inferred from the claim text.