Invention Grant
- Patent Title: Ion current detection apparatus for an internal combustion engine
- Patent Title (中): 用于内燃机的离子电流检测装置
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Application No.: US70723Application Date: 1998-05-01
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Publication No.: US6075366APublication Date: 2000-06-13
- Inventor: Yukio Yasuda
- Applicant: Yukio Yasuda
- Applicant Address: JPX Tokyo
- Assignee: Mitsubishi Denki Kabushiki Kaisha
- Current Assignee: Mitsubishi Denki Kabushiki Kaisha
- Current Assignee Address: JPX Tokyo
- Priority: JPX9-324354 19971126
- Main IPC: F02D41/14
- IPC: F02D41/14 ; F02P3/09 ; F02P17/12
Abstract:
An ion current detection apparatus for an internal combustion engine includes a voltage limiting device for limiting an amount of counterelectromotive force of a primary coil of ignition coil applied to switching elements, a capacitor for applying an ion current detection voltage to a spark plug, and an ion current detection circuit for detecting an ion current wherein the capacitor is connected to the voltage limiting device.
Public/Granted literature
- USD414016S Garment lapel and button holder Public/Granted day:1999-09-21
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