Measuring and testing – Volume or rate of flow – By measuring electrical or magnetic properties
Reexamination Certificate
2008-04-11
2009-12-29
Thompson, Jewel (Department: 2855)
Measuring and testing
Volume or rate of flow
By measuring electrical or magnetic properties
Reexamination Certificate
active
07637169
ABSTRACT:
A magnetic flowmeter comprises a pipe section, an insulating liner, a flangeless retention collar, a liner protector, a coil and an electromotive force sensor. The insulating liner lines the pipe section to form a process flow channel. The flangeless retention collar is located on an end of the pipe section for forming an end-to-end fluid connection to the process flow channel, and the liner protector is formed on the retention collar to provide an end seal for the insulating liner. The coil produces a magnetic field within the process flow channel, and the electromotive force sensor senses an electromotive force generated in fluid flow through the process flow channel.
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Specification Drawings, Special; Rosemount Inc., dated Jan. 19, 2007.
Official Search Report and Written Opinion of the Patent Cooperation Treaty in counterpart foreign Application No. PCT/US09/00297, filed Jan. 22, 2009.
Morales Nelson Mauricio
Shanahan Bret Allen
Kinney & Lange , P.A.
Rosemount Inc.
Thompson Jewel
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