Patent · US Expired

Ignition coil device for engine

US6386189B2 · kind B2 · utility

6Cited by
2References
11Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJan 17, 2001
Grant dateMay 14, 2002
Priority date
Expiry dateJan 17, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01F2038/125
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An individual ignition type ignition coil device for engine which is directly connected to each spark plug for use, comprises a coil case 6, and a center core 1, a secondary coil 3 wound on a secondary bobbin 2 and a primary coil 5 wound on the primary bobbin 4 each concentrically installed inside the coil case 6 in turn from the inside to the outside. Insulating resin 17, 8 is filled between the interiorly installed structural members. The secondary bobbin is made of material of modified PPO mixed with inorganic matter of 30% or more.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.