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.

Date of Patent:
Jun. 27, 2017

Filed:

May. 19, 2015
Applicant:

Bayerische Motoren Werke Aktiengesellschaft, Munich, DE;

Inventors:

Christian Doenitz, Unterschleissheim, DE;

Christoph Voser, Zurich, CH;

Norbert Zsiga, Heilbronn, DE;

Christopher Onder, Weisslingen, CH;

Lino Guzzella, Uster, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 33/44 (2006.01); F02B 33/00 (2006.01); F02B 21/00 (2006.01); F02B 5/00 (2006.01); F02B 29/00 (2006.01); F02B 37/00 (2006.01); F02P 5/15 (2006.01); F02D 37/02 (2006.01); F02D 41/00 (2006.01); F02D 41/02 (2006.01); F02B 29/04 (2006.01);
U.S. Cl.
CPC ...
F02B 21/00 (2013.01); F02B 5/00 (2013.01); F02B 29/00 (2013.01); F02B 33/44 (2013.01); F02B 37/00 (2013.01); F02D 37/02 (2013.01); F02D 41/0007 (2013.01); F02D 41/0235 (2013.01); F02P 5/1504 (2013.01); F02B 29/0406 (2013.01); F02D 2200/0406 (2013.01); F02P 5/1516 (2013.01); Y02T 10/144 (2013.01); Y02T 10/146 (2013.01); Y02T 10/46 (2013.01);
Abstract

A method for operating an internal-combustion engine includes increasing a torque demand, controlling a throttle valve, opening an air injection valve and continuously measuring first and second gas pressures with an electronic control unit. The method also includes closing the throttle valve, measuring a first gas mass flow, retarding an ignition angle, and closing the air injection valve. In the method the throttle valve is opened with the control unit when the first gas pressure pequals the second gas pressure p. The method also includes continuously controlling the fuel system with the electronic control unit to have a stoichiometric fuel/air ratio of the internal combustion engine being constantly combusting in the internal combustion engine.


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