Transformer for igniter

Details Transformer for igniter Transformer for igniter

2005-02-15

2005-02-15

Nguyen, Tuyen T. (Department: 2832)

Inductor devices

With supporting and/or spacing means between coil and core

Preformed insulation between coil and core

C336S192000

Reexamination Certificate

active

06856227

ABSTRACT:
A transformer for an igniter, in which a primary coil and a secondary coil are wound around a bobbin, is composed of a plurality of disk-shaped partition walls disposed on the bobbin, around which the primary coil and the secondary coil are wound, so as to protrude from all circumferential surface of the bobbin in a radial direction of the bobbin and to form a plurality of coil winding grooves in layers, and a plurality of cut-out portions functioning as a coil taking-in portion and a plurality of coil delivery portions of the disk-shaped partition walls. Therefore, the stabilization of a winding operation is obtained, the loss of coils due to the bending of the coils can be prevented, films of coils can be protected, a small-sized transformer for an igniter can be obtained, and an automatic winding operation can be performed.

REFERENCES:
patent: 4904975 (1990-02-01), Medenbach
patent: 6078240 (2000-06-01), Huang
patent: 3-136938 (1991-06-01), None
patent: 05-198446 (1993-08-01), None
patent: 08-107026 (1996-04-01), None
patent: 09-312225 (1997-12-01), None

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