Invention Grant
- Patent Title: Controller and method for controlling an ignition coil
- Patent Title (中): 用于控制点火线圈的控制器和方法
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Application No.: US12067590Application Date: 2005-09-21
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Publication No.: US07686000B2Publication Date: 2010-03-30
- Inventor: Michael R. Garrard
- Applicant: Michael R. Garrard
- Applicant Address: US TX Austin
- Assignee: Freescale Semiconductor, Inc.
- Current Assignee: Freescale Semiconductor, Inc.
- Current Assignee Address: US TX Austin
- International Application: PCT/EP2005/010317 WO 20050921
- International Announcement: WO2007/038945 WO 20070412
- Main IPC: F02P3/05
- IPC: F02P3/05
Abstract:
A controller for an ignition coil, the controller comprising means for determining a rate of change of current flow through a primary winding of the ignition coil; and means for switching off current flow through the primary winding of the ignition coil as a function of the rate of change of current.
Public/Granted literature
- US20080202485A1 Controller and Method for Controlling an Ignition Coil Public/Granted day:2008-08-28
Information query
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