A sensor assembly for a fluid flowmeter including a body having a hollow interior where the body is configured to have a moisture impermeable barrier that prevents moisture from entering the interior at extreme fluid pressures. The assembly includes at least one electrode that is mounted on the body
A sensor assembly for a fluid flowmeter including a body having a hollow interior where the body is configured to have a moisture impermeable barrier that prevents moisture from entering the interior at extreme fluid pressures. The assembly includes at least one electrode that is mounted on the body and a coil assembly configured to be removably inserted in the hollow interior of the body, where the coil assembly includes at least one magnetic coil electrically isolated from the at least one electrode when the coil assembly is inserted into the hollow interior of the body.
대표청구항▼
1. A sensor assembly for a fluid flowmeter comprising: a body having opposing ends and a hollow interior, one of said ends including an opening in communication with said interior, said body configured to have a moisture impermeable barrier that prevents moisture from entering said interior at extre
1. A sensor assembly for a fluid flowmeter comprising: a body having opposing ends and a hollow interior, one of said ends including an opening in communication with said interior, said body configured to have a moisture impermeable barrier that prevents moisture from entering said interior at extreme fluid pressures;at least one electrode mounted on said body;a coil assembly configured to be removably inserted through said opening and into said hollow interior of said body, said coil assembly including at least one magnetic coil electrically isolated from said at least one electrode when said coil assembly is axially inserted into said hollow interior of said body. 2. The sensor assembly of claim 1, said body including an outer surface, said at least one electrode being mounted on said outer surface. 3. The sensor assembly of claim 1, wherein said body is made of a substantially moisture impermeable material. 4. The sensor assembly of claim 3, wherein said moisture impermeable material is stainless steel. 5. The sensor assembly of claim 1, wherein said body defines at least one channel and said at least one electrode is mounted in said channel. 6. The sensor assembly of claim 5, further comprising an electrically conductive strip configured for insertion in said channel, said at least one electrode being mounted on said strip. 7. The sensor assembly of claim 1, further comprising an electrically non-conductive coating applied to at least one of said body and said at least one electrode. 8. The sensor assembly of claim 1, further comprising a cap connected to said coil assembly, said cap including a biasing member for biasing the body against a wall of a conduit. 9. The sensor assembly of claim 1, further comprising a plurality of electrodes, said electrodes being mounted on said body. 10. The sensor assembly of claim 9, wherein said body defines a plurality of channels and said electrodes are mounted in each of said channels. 11. The sensor assembly of claim 1, wherein said extreme fluid pressures include pressures of 500 to 10,000 psi. 12. A sensor assembly for a fluid flowmeter comprising: a cylindrical body having an outer surface, said body defining a longitudinal axis, a central blind hole and two channels, said two channels being parallel to said longitudinal axis and radially spaced at a designated angle from each other on said outer surface;a sensing electrode assembly mounted in one of said two channels;a ground electrode assembly mounted in said other of said two channels, at least one of said sensing electrode assembly and said ground electrode assembly including a plurality of spaced electrodes;a coil assembly configured to be removably, axially inserted in said central blind hole of said body, said coil assembly including a plurality of magnetic coils, each of said magnetic coils being electrically isolated from and aligned with one of said plurality of electrodes on said sensing electrode assembly when said coil assembly is inserted into said central blind hole of said body. 13. The sensor assembly of claim 12, wherein said body is made of metal. 14. The sensor assembly of claim 12, further comprising an electrically non-conductive coating applied to at least one of said body, said sensing electrode and said ground electrode. 15. The sensor assembly of claim 12, wherein said designated angle is 15° to 90°. 16. The sensor assembly of claim 12, wherein said body defines an additional channel that is spaced from said two channels. 17. The sensor assembly of claim 16, further comprising an additional sensing electrode assembly mounted in said additional channel, said additional sensing electrode assembly including a plurality of spaced electrodes aligned with said electrodes on said sensing electrode assembly.
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이 특허에 인용된 특허 (17)
Marsh Lawrence B. (12842 Littleton St. Silver Spring MD 20906), Averaging velocity sensor for measuring fluid flow in a conduit.
Dam Es, Andrew Nicholas; England, James Mark Carson; Jones, Ross Peter; Topliss, Richard John; Ansell, Iain; Collier, Nicholas; Lodge, Graham; Hember, Miles William Noel, Magnetic flow meter.
Ayers, Jared Steven; Davis, Gerald E.; Hobbs, Clinton Paul; Mikkelsen, Eric Dahl, Self-diagnosing differential pressure flow meter including a directed pressure port.
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