US 12,392,310 B2
Ignition coil assembly for combustion engine
Bert Gustafsson, Åmål (SE)
Assigned to SEM AB, Åmål (SE)
Appl. No. 18/549,528
Filed by SEM AB, Åmål (SE)
PCT Filed Mar. 4, 2022, PCT No. PCT/EP2022/055651
§ 371(c)(1), (2) Date Sep. 7, 2023,
PCT Pub. No. WO2022/189312, PCT Pub. Date Sep. 15, 2022.
Claims priority of application No. 2150259-6 (SE), filed on Mar. 8, 2021.
Prior Publication US 2024/0151202 A1, May 9, 2024
Int. Cl. F02P 3/02 (2006.01); F02P 13/00 (2006.01)
CPC F02P 3/02 (2013.01) [F02P 13/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An ignition coil assembly (100) for installation in a spark plug well (400) of a combustion engine (200) and for enabling a spark of a spark plug (500) installed in a distal end (410) of the spark plug well (400), wherein the ignition coil assembly (100) comprises:
an ignition coil (125) adapted to transform a first voltage to a second voltage for enabling the spark, and
an elongated connection portion (110) extending in the spark plug well (400) when the ignition coil assembly (100) is installed in the spark plug well (400), wherein the ignition coil assembly (100) is characterized by that:
the ignition coil (125) is connected to a first end (111) of the elongated connection portion (110), wherein the first end (111) of the elongated connection portion (110) is closer to the spark plug (500) than a second end (112) of the elongated connection portion (110) when the ignition coil assembly (100) is installed in the spark plug well (400), whereby the ignition coil assembly (100) is adapted to provide the first voltage to the ignition coil (125) by means of the elongated connection portion (110),
wherein the elongated connection portion (110) is adapted to position the ignition coil (125) completely within a distal portion (420) of the spark plug well (400) when the ignition coil assembly (100) is installed in the spark plug well (400) wherein the distal portion (420) comprises the distal end (410), and
wherein the elongated connection portion (110) extends along at least half of the spark plug well (400) longitudinal length when the ignition coil assembly (100) is installed in the spark plug well (400).