Patent · US Active

Method for model-based determination of the fresh air mass flowing into the cylinder combustion chamber of an internal combustion engine during an intake phase

US7318342B2 · kind B2 · utility

6Cited by

6References

20Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Martin Boehm · Munich, DE
Heiko Konrad · Hockenheim, DE
Satish Patel · Munich, DE

Key dates

Filing date	Feb 27, 2007
Grant date	Jan 15, 2008
Priority date	—
Expiry date	Feb 27, 2027

Classification

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

Abstract

A method for model-based determination of the total fresh air mass flowing into the cylinder combustion chamber of an internal combustion engine during an intake phase is described. The method includes, steps of ascertaining a first partial air mass on the basis of a first load partial model, the first load partial model having a linear behavior, ascertaining a second partial air mass on the basis of a second load partial model, the second load partial model having a nonlinear behavior, and determining the total air mass by adding together the previously ascertained partial air masses.

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