Density meter coil assembly

Details Density meter coil assembly Density meter coil assembly

1976-08-25

1977-12-20

Gill, James J.

Measuring and testing

Specific gravity or density of liquid or solid

310 25, G01N 900

Patent

active

040634485

ABSTRACT:
An apparatus for measuring the density of a fluid including a coil assembly comprising a housing of magnetic material having first and second circular end walls and a cylindrical permanent magnet disposed between and interconnecting said first and second end walls, said second end wall having means defining a centrally disposed circular aperture therein; a pole piece which extends from the first end wall and into the said aperture; and a coil which is mounted in the housing with the said pole piece extending axially therethrough, magnetic flux passing outwardly of the housing only through said aperture and being focussed by the latter.

REFERENCES:
patent: 1953542 (1934-04-01), Pridham
patent: 2275839 (1942-03-01), Boehne
patent: 2869050 (1959-01-01), VAN Urk
patent: 2956431 (1960-10-01), Westerheim
patent: 3600614 (1971-08-01), Curtis
patent: 3763692 (1973-10-01), Agar

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