Patent · US Expired

Pre-ignition detection and mitigation

US7302932B2 · kind B2 · utility

24Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 2006
Grant dateDec 4, 2007
Priority date
Expiry dateMar 17, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/40
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A system and method for detecting and mitigating preignition for a multi-cylinder engine is provided. According to one aspect of the disclosure, a method is provided including identifying a preignition event at an affected cylinder; deactivating the affected cylinder during a deactivation period; initiating an accommodation system for one or more unaffected cylinders; and activating an indicator system.

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