Induction voidmeter
Patent
·
OSTI ID:865861
- Downers Grove, IL
- Lockport, IL
- Midlothian, IL
- Oak Lawn, IL
An induction voidmeter for detecting voids in a conductive fluid may comprise: a four arm bridge circuit having two adjustable circuit elements connected as opposite arms of said bridge circuit, an input branch, and an output branch; two induction coils, bifilarly wound together, connected as the remaining two opposing arms of said bridge circuit and positioned such that the conductive fluid passes through said coils; applying an AC excitation signal to said input branch; and detecting the output signal generated in response to said excitation signal across said output branch. The induction coils may be located outside or inside a non-magnetic pipe containing the conductive fluid.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- DOE Contract Number:
- W-31109-ENG-38
- Assignee:
- United States of America as represented by Department of Energy (Washington, DC)
- Patent Number(s):
- US 4590431
- OSTI ID:
- 865861
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
induction
voidmeter
detecting
voids
conductive
fluid
comprise
arm
bridge
circuit
adjustable
elements
connected
opposite
arms
input
branch
output
coils
bifilarly
wound
remaining
opposing
positioned
passes
applying
excitation
signal
generated
response
located
outside
inside
non-magnetic
pipe
containing
conductive fluid
induction coil
output signal
signal generated
located outside
bridge circuit
excitation signal
circuit elements
circuit element
induction coils
elements connected
opposing arms
opposite arms
fluid passes
induction voidmeter
pipe containing
bifilarly wound
detecting voids
/324/376/976/
voidmeter
detecting
voids
conductive
fluid
comprise
arm
bridge
circuit
adjustable
elements
connected
opposite
arms
input
branch
output
coils
bifilarly
wound
remaining
opposing
positioned
passes
applying
excitation
signal
generated
response
located
outside
inside
non-magnetic
pipe
containing
conductive fluid
induction coil
output signal
signal generated
located outside
bridge circuit
excitation signal
circuit elements
circuit element
induction coils
elements connected
opposing arms
opposite arms
fluid passes
induction voidmeter
pipe containing
bifilarly wound
detecting voids
/324/376/976/