Invensys Receives New Patent for Optimizing Coriolis Flow Measurement during Changing Conditions

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Invensys has received a patent for digital technology that optimizes start up and operations for the company’s award-winning Foxboro CFT50 Digital Coriolis mass flowmeter. U.S. patent number 6,950,760 B2 applies to Invensys techniques for selecting optimal mode of operation for accurate flow measurement during changing flow conditions.

Invensys has received a patent for digital technology that optimizes start up and operations for the company’s award-winning Foxboro CFT50 Digital Coriolis mass flowmeter. U.S. patent number 6,950,760 B2 applies to Invensys techniques for selecting optimal mode of operation for accurate flow measurement during changing flow conditions.

The newly patented process keeps the Coriolis meter running stably in single-phase or two-phase flow conditions through precise digital analysis of flow measures at startup and at transitions between operational modes. During startup, for example, the mode of operation could include a random sequence of flow sensing. Once a consistent flow is determined, the digital flow meter analyzes and synthesizes these conditions for accurate flow measurement. If flow conditions change, the flowmeter will revert back to a previous mode to regain flow accuracy. High-speed digital signal processing allows the meter to respond to changing flow conditions many times faster than standard Coriolis flowmeters, making the CFT50 even more suitable for start up and ending process flow conditions in which two-phase flow is prevalent.

Digital Coriolis flowmeter technologies were developed through a collaborative program between the Foxboro Measurements and Instruments Division of Invensys Process Systems and Oxford University in the UK. These technologies are incorporated into the Foxboro CFT50 digital Coriolis mass flow transmitter, which has won numerous awards, including Best of Show in the ISA New Product Showcase.

For more information on the CFT50 mass flow transmitter or other advanced Foxboro measurement and instrument devices, readers can contact their local Invensys/Foxboro representative, visit the Foxboro Measurements and Instruments Web Site at http://www.foxboro.com/instrumentation or call 866-746-6477 (508-549-2424 outside the U.S. and Canada). The CFT50 mass flow transmitter can also be purchased on-line at http://www.buyautomation.com.    

About Invensys Process Systems

Invensys Process Systems, a business unit of Invensys plc, provides products, services and solutions that enable today’s industrial plants to monitor, manage, and improve the performance of their manufacturing assets. In addition to its rapidly expanding Global Solutions group, Invensys Process Systems includes industry-leading brands such as Foxboro, Triconex, SimSci-Esscor (http://www.simci-esscor.com), Wonderware, and Avantis, whose products are installed at more than 100,000 sites around the world. These range from small hybrid and batch plants to the world’s largest upstream production operations, refineries, gas plants, petrochemicals plants, power plants, and pulp and paper mills.

The Invensys Group (http://www.invensys.com) is made up of five businesses: Process Systems, APV, Eurotherm, Rail Systems, and Controls. The Group is headquartered in London and is listed on the London Stock Exchange, with approximately 30,000 employees working in 60 countries.

Avantis, Foxboro, I/A Series, SimSci-Esscor, Triconex, and Wonderware are trademarks of Invensys plc, its subsidiaries, or affiliates. All other trademarks are trademarks of their respective owners.

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Joni Littleton