Patent · US Expired

Control system for internal combustion engines and control system for vehicles

US5881552A · kind A · utility

23Cited by
9References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 1996
Grant dateMar 16, 1999
Priority date
Expiry dateJun 25, 2016

Classification

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

Abstract

A control system for an internal combustion engine has a catalyst arranged in the exhaust system, for purifying exhaust gases emitted from the engine. An ECU controls operation of the engine, based on at least one predetermined control parameter, and detects a temperature state of the catalyst at the start of the engine. The at least one predetermined control parameter is changed, based on the detected temperature state of the catalyst, after the start of the engine.

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