Capacitor discharge ignition system with timing stabilization arrangement
US4202305A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 25, 1978 |
| Grant date | May 13, 1980 |
| Priority date | — |
| Expiry date | Jul 25, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A capacitor discharge ignition system is provided with an ignition timing stabilization arrangement to achieve substantially constant ignition timing characteristics over a wide range of engine speeds. The capacitor discharge ignition system is positioned adjacent a rotating permanent magnet that is rotated over a path in synchronism with the operation of an engine to be controlled. The capacitor discharge ignition system includes a stator core having disposed thereon an ignition coil and a control coil assembly. The control coil assembly includes a control winding and a timing stabilization winding. As a first pole of the magnet passes the stator core, a voltage and current of a first polarity is induced in the control winding to charge a storage capacitor. As the second pole of the magnet passes the stator core, a voltage and current of the opposite polarity is induced in the control winding and a control arrangement responsive to the control winding discharges the capacitor into a primary winding of the ignition coil. The induced voltage and current in a secondary winding of the ignition coil provides suitable power conditions to fire a spark plug or spark plugs connected across…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.