Noncontact transformer

Details Noncontact transformer Noncontact transformer

2005-02-22

2005-02-22

Donovan, Lincoln (Department: 2832)

Inductor devices

With closed coil or conductor member

Movable with respect to another coil

C336S118000, C336S096000, C320S108000, C320S115000

Reexamination Certificate

active

06859126

ABSTRACT:
A non-contact transformer includes a transformer component provided on the floor of a housing, a printed circuit board on the transformer component, and an empty core space is formed within the transformer component wherein deformation of the housing is prevented through a construction that evacuates residual air from the core space when the core space is filled with resin even though both ends of the core space are covered by lid-like parts. A cylindrical end face at one extremity of the primary transformer component is positioned on the bottom plate of the primary housing opposed to the secondary housing, and the printed circuit board is provided on an opposite cylindrical end face which is at the other extremity of the primary transformer component. A passage is formed between the printed circuit board and the primary transformer component to provide a connecting orifice between a core space of primary transformer component and the space external to the primary transformer component.

REFERENCES:
patent: 3418552 (1968-12-01), Siemens
patent: 1076817 (1960-03-01), None
patent: 0984463 (2000-03-01), None

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