The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7577512 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 18, 2009

Filed:

Sep. 14, 2007
Applicants:

Klaus Herz, Flein, DE;

Ingo Fecht, Ludwigsburg, DE;

Inventors:

Klaus Herz, Flein, DE;

Ingo Fecht, Ludwigsburg, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 19/00 (2006.01); G05B 19/18 (2006.01); G05B 23/02 (2006.01); G01M 19/00 (2006.01); B60L 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for switching between operating modes of an internal combustion engine having a plurality of control units, in particular a switchover between full-engine operation and half-engine operation, the control units being able to exchange data via a data link. The method includes a step in which it is checked whether an operating mode switchover should occur and that, if an operating mode switchover should occur, the data link between the control units is tested and/or the operating state of the control units is balanced.


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