Electricity: measuring and testing – Particle precession resonance – Determine fluid flow rate
Patent
1988-03-21
1989-08-29
Tokar, Michael J.
Electricity: measuring and testing
Particle precession resonance
Determine fluid flow rate
324300, G01R 3320
Patent
active
048620807
ABSTRACT:
Method and apparatus for deriving flow information from magnetic resonance signals. A magnetic field gradient extends in the direction of the flow to make the magnetic resonance signals flow sensitive. In order to reduce the effect of relaxation times on the flow information an additional magnetic field component--a gradient or an r.f. signal--is applied which artificially reduces the relaxation times.
REFERENCES:
patent: 4654591 (1987-03-01), Moran
Eason Leroy
Tamoshunas Algy
Tokar Michael J.
U.S. Philips Corporation
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