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. 04, 2023
Filed:
Oct. 01, 2021
Applicant:
Scania Cv Ab, Södertälje, SE;
Inventors:
Assignee:
Scania CV AB, Södertälje, SE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F02D 13/02 (2006.01); F02D 35/02 (2006.01); F02D 13/04 (2006.01);
U.S. Cl.
CPC ...
F02D 13/0215 (2013.01); F02D 13/0203 (2013.01); F02D 13/0265 (2013.01); F02D 13/04 (2013.01); F02D 35/023 (2013.01);
Abstract
The disclosure concerns variable valve timing of a four-stroke ICE. The ICE comprises: an exhaust valve and an intake valve an exhaust camshaft an intake camshaft and a cylinder arrangement. The cylinder arrangement comprises a combustion chamber a cylinder bore and a piston. The control arrangement is configured to: perform a first sequence of changes in the timings of the exhaust and intake camshafts in order to arrive from a first camshaft timing setting at a second camshaft timing setting based on a first current maximum cylinder pressure within the combustion chamber around top dead centre fire and/or around to dead centre gas exchange.