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:
Aug. 09, 2022
Filed:
Jun. 29, 2018
Volvo Truck Corporation, Gothenburg, SE;
Martin Bauer, Anderslöv, SE;
Fredrik Rahm, Hörby, SE;
VOLVO TRUCK CORPORATION, Gothenburg, SE;
Abstract
The invention relates to a method of operating a four stroke internal combustion engine system (), the engine system () comprising:—a four stroke internal combustion engine () provided with an intake duct (),—a turbo compressor (″) arranged to compress intake flow in the intake duct (), and—a displacement machine () provided in the intake duct () downstream the turbo compressor (″), wherein the displacement machine () is arranged to displace intake flow from an inlet to an outlet thereof. The method comprises the step of: operating the displacement machine () in a first mode where a pressure ratio (PR) given by a pressure at the outlet of the displacement machine () divided by a pressure at the inlet of the displacement machine () is substantially equal to 1. The invention also relates to a four stroke internal combustion engine system arranged to be operated by the above method.