公开(公告)号：US20240011428A1

公开(公告)日：2024-01-11

申请号：US18265014

申请日：2021-11-05

Applicant: Scania CV AB

Inventor： Erik HÖCKERDAL ,  Stefan ORRLING ,  Oskar LEUFVEN ,  Erik LIND ,  John KROON

IPC: F02B37/12 ,  F02D13/02

CPC classification number: F02B37/12 ,  F02D13/0203 ,  F02B2037/122 ,  F02B2037/125

Abstract: The disclosure concerns a method and a control arrangement for controlling valve actuation of an ICE comprising an exhaust valve, an intake valve, and a turbo compressor. The method comprises and the control arrangement is configured to: limiting/limit valve actuation changes of the exhaust and intake valves based on compressor data including surge limit data for the turbo compressor and one or both of a current turbo compressor rotational speed and a current turbo compressor pressure ratio, to maintain a turbo compressor mass flow above a limit mass flow value.

公开(公告)号：US20240217516A1

公开(公告)日：2024-07-04

申请号：US18567455

申请日：2022-06-02

Applicant: Scania CV AB

Inventor： Joakim SOMMANSSON ,  Erik HÖCKERDAL ,  Jens GUSTAVSSON ,  Anders LARSSON ,  Oskar LEUFVEN ,  Christer ROOS ,  Daniel JOHNSSON

IPC: B60W30/18 ,  B60K17/08 ,  B60L7/08 ,  B60L15/00 ,  B60W10/196 ,  B60W10/30 ,  B60W30/188 ,  B60L7/22

CPC classification number: B60W30/18109 ,  B60K17/08 ,  B60L7/08 ,  B60L15/007 ,  B60W10/196 ,  B60W10/30 ,  B60W30/1886 ,  B60L7/22

Abstract: A system for braking a vehicle is provided. The system comprises a powertrain comprising an electric machine arranged to propel the vehicle and a transmission arranged to transfer power between the electric machine and the driving wheels of the vehicle. The system further comprises a resistor device arranged to dissipate electric energy generated by the electric machine during braking of the vehicle, and an airflow generating device arranged to generate an airflow over the resistor device. The airflow generating device is arranged to be mechanically driven by the powertrain so as to generate said airflow. By (mechanically) driving the airflow generating device by means of the powertrain, the airflow generating device does not need its own motor, thereby making the system less complex. Further, the driving of the airflow generating device by means of the powertrain will consume energy itself, contributing to braking the vehicle.

公开(公告)号：US20240426256A1

公开(公告)日：2024-12-26

申请号：US18709171

申请日：2022-11-11

Applicant: Scania CV AB

Inventor： Oskar LEUFVEN ,  Erik HÖCKERDAL ,  Andreas DAHL ,  Håkan SARBY ,  Henrik WESTERFELT ,  Henrik SKOG ,  Michael VALLINDER

IPC: F02D41/40 ,  F02D41/00

Abstract: A method of controlling an internal combustion engine is disclosed, the internal combustion engine comprising at least two cylinders, wherein each cylinder comprises at least one fuel injector configured to inject fuel into the cylinder, wherein the method comprises controlling the fuel injection performed by the fuel injectors into the cylinders based on an estimate of a residual gas imbalance between the at least two cylinders. The present disclosure further relates to a computer program product, a control arrangement, an internal combustion engine, and a vehicle.