Transformer assembling method, transformer, transformer-mounted

Details Transformer assembling method, transformer, transformer-mounted Transformer assembling method, transformer, transformer-mounted

1998-02-12

2000-11-07

Gellner, Michael L.

Inductor devices

With outer casing or housing

Internal inductor support

336198, 336 90, H01F 2702, H01F 2730

Patent

active

06144278&

ABSTRACT:
A transformer including a bobbin formed by uniting a winding member, which has a primary winding and secondary winding and a bore formed thereon and therein, with a primary winding fixture and secondary winding fixture adjoining the openings of the bore, and a ferromagnetic core having a core portion thereof inserted into the bore and including an enclosure for enclosing the windings is manufactured according to a process including an affixing step of firmly affixing both or either of the primary winding fixture and secondary winding fixture to the ferromagnetic core, an impregnation step of impregnating the transformer with a varnish, and an applying step of applying adhesives. A components-mounted substrate is incorporated in a housing to be immobilized and locked in a direction parallel to the components-mounted surface thereof, in which when an impact load is imposed in a direction substantially orthogonal to the components-mounted surface, the components-mounted substrate is displaced by a given magnitude in order to absorb an impact, and in which a displacement whose magnitude is equal to or larger than the given magnitude is restrained in order to disperse the load.

REFERENCES:
patent: 5028904 (1991-07-01), Kurano
patent: 5317300 (1994-05-01), Boesel

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