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US 10,622,140 B2Granted
High voltage contact for an ignition coil
AssigneeBorgWarner Ludwigsburg GmbH
InventorsFrancesco Tridico, Timo Stifel, Manfred Adolf, Dirk Wüstenhagen, Sven Schumm
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Abstract
Described is an ignition coil comprising a housing, in which a transformer is arranged, and a plug connector, wherein the plug connector has a high voltage contact, which is connected to the secondary side of the transformer by means of a wire, which resiliently presses against an electrical contact surface. The contact surface is concavely shaped.
Claims14
An ignition coil, comprising:
- a housing in which a transformer is arranged;
- and
- a plug connector;
- wherein the plug connector comprises a high voltage contact connected to a secondary side of the transformer by a wire resiliently pressing against an electrical contact surface;
- wherein the electrical contact surface is concavely shaped;
- and
- wherein the electrical contact surface comprises a circular groove and the wire is inserted into the groove.
4 more elements
An ignition coil, comprising:
- a housing in which a transformer is arranged;
- and
- a plug connector;
- wherein the plug connector comprises a high voltage contact connected to a secondary side of the transformer by a wire resiliently pressing against an electrical contact surface;
- wherein the electrical contact surface is concavely shaped;
- and
- wherein a convex protrusion rises from the concave surface such that a groove is formed around the perimeter of the protrusion.
4 more elements
Dependencies are inferred from the claim text.