H - Electricity – 01 – F
Patent
H - Electricity
01
F
H01F 38/12 (2006.01) H01F 27/32 (2006.01) H01F 41/00 (2006.01) H01F 41/04 (2006.01) H01F 41/06 (2006.01)
Patent
CA 2178372
An ignition coil for an internal combustion engine and a method of making the same in which layers of the secondary winding are separated by a non-filtering/non-segregating material embedded in an electrically insulated ignition coil housing. The preferred non-filtering secondary winding separator is a solid filament, non-absorbing/non-adsorbing mesh, such as a nylon mesh. Using the non-filtering/non-segregating secondary winding separator prevents filler damming when an ignition coil housing is manufactured using a vacuum encapsulation and curing process in which an encapsulation compound (e.g. a thermal setting epoxy) has solid additives (e.g. sand fillers). Non- absorbing/non- adsorbing separators are also advantageous because the separators do not alter the chemistry of the encapsulation compound.
Borden Ladner Gervais Llp
Brunswick Corporation
LandOfFree
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