Patent ID: 11901116
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 11:
12. The internal-combustion-engine ignition coil apparatus according to claim 11,
wherein the heat sink has a flange portion provided in a peripheral portion thereof and a protruding portion having a surface portion that protrudes in a direction perpendicular to a surface portion of the flange portion,
wherein the protruding portion is inserted into the case through the opening window,
wherein the surface portion of the protruding portion is bonded to the surface portion of the igniter with the first adhesive,
wherein a wall face portion of the protruding portion is bonded to the inner circumferential surface of the opening window with the second adhesive, and
wherein the flange portion is bonded to the case with the second adhesive filled into the recessed groove and is exposed to the outside of the case.