Patent · US Active

Method for identifying fuel mixtures

US9677483B2 · kind B2 · utility

0Cited by

5References

9Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Marko Lorenz · Bornsteiner Straße, DE
Andreas Posselt · Rochlitz, DE
Andrea Krusch · Ludwigsburg, DE
Andreas Gutscher · Markgröningen, DE
Haris Hamedovic · Heubach, DE

Key dates

Filing date	Feb 12, 2014
Grant date	Jun 13, 2017
Priority date	—
Expiry date	Feb 12, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/30
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

In a method for identifying a fuel type or a fuel mixture for a combustion chamber of an internal combustion engine having (i) a first intake opening connected to a first intake manifold inside which a first fuel injector is located, and (ii) a second intake opening connected to a second intake manifold inside which a second fuel injector is located, in a first method step, the first fuel injector remains closed, and in a second method step the first fuel injector is opened again and a first test fuel quantity is injected into the combustion chamber in the second method step via the first intake opening, and a second test fuel quantity is injected via the second intake opening, the first test fuel quantity and the second test fuel quantity being made up to form a predefined fuel quantity.

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