| 摘要 |
The invention relates to a magnetic flow sensor ( 1, 21, 51 ) comprising a) a loop-shaped magnetic field conductor comprising a point ( 2, 22, 32, 52 ) which expands to form a bar or a film ( 3, 23, 52 ), a loop-shaped part ( 3 a, 23 a, 53 a) and at least one part ( 4, 24, 54', 54'' ) which guides back the magnetic field lines of the probe, b) SQUID ( 7, 27, 57 ), c) and a diaphragm ( 5, 25, 35, 55 ) comprising a hole ( 6, 26, 36, 56 ), whereby the part ( 4, 24, 54', 54'' ) which guides the magnetic field lines of the probe back to the loop-shaped magnetic field conductor is connected to the diaphragm ( 5, 25, 35, 55 ).
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