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:
Jun. 13, 2017
Filed:
Jun. 22, 2015
Volvo Car Corporation, Gothenburg, SE;
Mats Moren, Torslanda, SE;
Volvo Car Corporation, Gothenburg, SE;
Abstract
A cylinder deactivation arrangement and method of cylinder deactivation are disclosed for an internal combustion engine having a number of cylinders with at least one intake valve and at least one exhaust valve per cylinder. Each intake valve includes two different lifting levels, wherein the cylinder deactivation arrangement has an even number of cylinders. A first set of cylinders constituted by half of the even number of cylinders have intake valves configured for fully opened and partly opened lifting levels, and a second set of cylinders constituted by the other half of the even number of cylinders have intake valves configured for fully opened and closed lifting levels. The first set of cylinders have exhaust valves configured for fully opened lifting levels and the second set of cylinders have exhaust valves configured for fully opened and closed lifting levels.