Electromagnetic flowmeter with single bobbin coil

Details Electromagnetic flowmeter with single bobbin coil Electromagnetic flowmeter with single bobbin coil

1997-01-21

1998-06-16

Dougherty, Elizabeth L.

Measuring and testing

Volume or rate of flow

By measuring electrical or magnetic properties

7386108, 7386115, G02F 5800

Patent

active

057674183

ABSTRACT:
An electromagnetic flowmeter having a single bobbin coil for developing a magnetic field through which a liquid passes. The single bobbin coil is a part of an electromagnet unit which also includes first and second pole pieces which are disposed symmetrically about the channel through which the liquid passes. The pole pieces are focused toward the liquid flow channel to develop a uniform magnetic field which extends through the channel.

REFERENCES:
patent: 3754824 (1973-08-01), Mannherz et al.
patent: 3842669 (1974-10-01), Iversen
patent: 4614121 (1986-09-01), Hansen et al.
patent: 4716769 (1988-01-01), Yamada
patent: 4736634 (1988-04-01), Amata
patent: 5247837 (1993-09-01), Corpron
patent: 5426984 (1995-06-01), Rovner et al.
patent: 5450758 (1995-09-01), Smoll
patent: 5583299 (1996-12-01), Murase

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