E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/06 (2006.01) E21B 17/02 (2006.01) E21B 23/03 (2006.01) E21B 47/01 (2006.01) E21B 47/12 (2006.01) H01F 38/14 (2006.01)
Patent
CA 2147558
An Inductive Coupling device for coaxially arranged tubular members where the members can be telescopically arranged and the liner member has a magnetic core assembly constructed from magnetic iron with cylinder sloped ends and the outer member has an annular magnetic assembly aligned with the core assembly. The tubular members are non-magnetic enclosures and together with a gap spacing define an effective air gap.
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