Patent · US Active

Method for performing diagnostics on line systems of internal combustion engines

US8342012B2 · kind B2 · utility

3Cited by

10References

7Claims

0Family size

Assignee

Dr. Ing. h.c. F. Porsche AG · DE

Inventors

Olaf Jach · Eppelheim, DE
Joerg Oberbeck · Bruchsal, DE

Key dates

Filing date	Dec 20, 2010
Grant date	Jan 1, 2013
Priority date	—
Expiry date	Mar 31, 2031

Classification

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

Abstract

In a method for performing diagnostics on line systems, in particular crank casing venting systems of internal combustion engines, a correction value for an operating parameter of the internal combustion engine is formed in each of at least two chronologically successive determining steps. The correction values or values which are derived therefrom are used to detect a faulty state of the line system.

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