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.:
Date of Patent:
Apr. 26, 2016
Filed:
Jul. 30, 2014
Applicant:
Caterpillar Motoren Gmbh & Co. KG, Kiel, DE;
Inventors:
Assignee:
Caterpillar Motoren GmbH & Co. KG, Kiel, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01); F01L 1/344 (2006.01); F02D 13/02 (2006.01); F02D 41/00 (2006.01); F01L 1/14 (2006.01); F02M 39/02 (2006.01); F02M 59/10 (2006.01); F02D 1/16 (2006.01); F01L 13/00 (2006.01); F01L 1/047 (2006.01);
U.S. Cl.
CPC ...
F01L 1/344 (2013.01); F01L 1/146 (2013.01); F01L 13/0063 (2013.01); F02D 1/16 (2013.01); F02D 13/0238 (2013.01); F02D 13/0269 (2013.01); F02D 41/0002 (2013.01); F02M 39/02 (2013.01); F02M 59/102 (2013.01); F01L 2001/054 (2013.01); F01L 2013/103 (2013.01); F01L 2013/105 (2013.01); F01L 2013/106 (2013.01); F01L 2105/02 (2013.01); F01L 2820/01 (2013.01); F02D 2001/165 (2013.01);
Abstract
A control system is disclosed for operating an internal combustion engine. The control system includes a control unit configured for providing a part load mode that is optimized for slow operation of the engine at loads up to an upper part load limit in the range from 40% to 75% of a maximum engine load. The control unit is also configured for providing a high load mode for engine loads above the upper part load limit. In the part load mode, at least one inlet valve is closed at a closing angle later than in the high load mode.