Bobbin for secondary winding of ignition coil

Details Bobbin for secondary winding of ignition coil Bobbin for secondary winding of ignition coil

2007-04-23

2010-11-30

Mai, Anh T (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Coil on a preformed support or mount

C336S198000

Reexamination Certificate

active

07843305

ABSTRACT:
The present invention discloses a bobbin (300) for the secondary winding of the ignition coil of an ignition system an internal combustion engine comprising a tubular core (200) made of electrical grade kraft paper, a plurality of segments (100) also made of electrical grade kraft paper fixed to the core and a coil wound on the core between the plurality of segments. The segments are fixed perpendicularly along the axis of the core. The electrical grade kraft paper is soaked in an electrically insulating material to provide better insulation.

REFERENCES:
patent: 1589177 (1924-06-01), Kendall
patent: 3742312 (1973-06-01), Hillyard
patent: 4449111 (1984-05-01), Nakajima
patent: 4639706 (1987-01-01), Shimizu
patent: 5861791 (1999-01-01), Schneider
patent: 5917397 (1999-06-01), Sasahara
patent: 603721 (1924-06-01), None
patent: 585951 (1947-03-01), None
patent: 595083 (1947-11-01), None
patent: 936499 (1963-09-01), None
patent: 55061011 (1980-05-01), None
patent: WO 86/04118 (1986-07-01), None
International Search Report mailed on Sep. 27, 2007 for PCT/IN2007/000156.

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