公开(公告)号：US20190277206A1

公开(公告)日：2019-09-12

申请号：US16424369

申请日：2019-05-28

Applicant: Eaton Intelligent Power Limited

Inventor： James E. McCarthy, JR. ,  Mihai Dorobantu ,  Douglas J. Nielsen ,  Brian Franke

IPC: F02D17/02

Abstract: A method for controlling vehicle speed comprises selecting an engine speed profile for a vehicle. Road grade data is received and processed to determine a road grade for the vehicle. Vehicle speed data is received and processed to determine a vehicle speed for the vehicle. A cylinder deactivation mode for a valvetrain of a multi-cylinder engine of the vehicle is selected. The cylinder deactivation mode comprises deactivating one or more intake valve, exhaust valve, and fuel injection for one or more cylinder of the multi-cylinder engine. The selected cylinder deactivation mode provides a controlled deviation from the selected engine speed profile at the road grade and vehicle speed.

公开(公告)号：US20190178168A1

公开(公告)日：2019-06-13

申请号：US16326699

申请日：2017-08-17

Applicant: Eaton Intelligent Power Limited

Inventor： James E. McCarthy, Jr. ,  Douglas J. Nielsen ,  Brian Franke

IPC: F02D17/02 ,  F02D41/00

Abstract: A friction loss management system for an engine, comprises a combustion engine comprising a crankshaft and a plurality of cylinders, a reciprocating piston assembly connected to the crankshaft, a fuel injector, an intake valve, and an exhaust valve. A control unit comprises at least one set of control algorithms configured to receive engine power demand data, and determine a number of cylinders of the plurality of cylinders for deactivation based on the received engine power demand data and further based on sensed or stored friction values for the plurality of cylinders. Determining the number of cylinders of for deactivation minimizes friction between the plurality of cylinders and their respective reciprocating piston assembly by selecting a cylinder combination of active cylinders and deactivated cylinders with the lowest total friction while meeting engine power demand. All cylinders can be deactivated for purposes of coasting or controlling speed during platooning.

公开(公告)号：US20220154653A1

公开(公告)日：2022-05-19

申请号：US17537309

申请日：2021-11-29

Applicant: Eaton Intelligent Power Limited

Inventor： James E. McCarthy, JR. ,  Mihai Dorobantu ,  Douglas J. Nielsen ,  Brian Franke

IPC: F02D17/02

Abstract: A method for controlling a transmission of a vehicle during cylinder deactivation can comprise receiving and processing a zero or negative torque requirement for the vehicle. Receiving and processing vehicle speed data can be included to determine a vehicle speed for the vehicle. A cylinder deactivation mode can be implemented for a valvetrain of a multi-cylinder engine of the vehicle, wherein the cylinder deactivation mode comprises deactivating one or more intake valve, one or more exhaust valve, and fuel injection for one or more cylinder of the multi-cylinder engine. Selecting one of an in-gear mode and a neutral mode for a transmission of the vehicle can be included while implementing the cylinder deactivation mode and while maintaining the determined vehicle speed.

公开(公告)号：US11187162B2

公开(公告)日：2021-11-30

申请号：US16424369

申请日：2019-05-28

Applicant: Eaton Intelligent Power Limited

Inventor： James E. McCarthy, Jr. ,  Mihai Dorobantu ,  Douglas J. Nielsen ,  Brian Franke

IPC: F02D17/02

Abstract: A method for controlling vehicle speed comprises selecting an engine speed profile for a vehicle. Road grade data is received and processed to determine a road grade for the vehicle. Vehicle speed data is received and processed to determine a vehicle speed for the vehicle. A cylinder deactivation mode for a valvetrain of a multi-cylinder engine of the vehicle is selected. The cylinder deactivation mode comprises deactivating one or more intake valve, exhaust valve, and fuel injection for one or more cylinder of the multi-cylinder engine. The selected cylinder deactivation mode provides a controlled deviation from the selected engine speed profile at the road grade and vehicle speed.

公开(公告)号：US11578673B2

公开(公告)日：2023-02-14

申请号：US17537309

申请日：2021-11-29

Applicant: Eaton Intelligent Power Limited

Inventor： James E. McCarthy, Jr. ,  Mihai Dorobantu ,  Douglas J. Nielsen ,  Brian Franke

IPC: F02D17/02

Abstract: A method for controlling vehicle speed comprises selecting an engine speed profile for a vehicle. Road grade data is received and processed to determine a road grade for the vehicle. Vehicle speed data is received and processed to determine a vehicle speed for the vehicle. A cylinder deactivation mode for a valvetrain of a multi-cylinder engine of the vehicle is selected. The cylinder deactivation mode comprises deactivating one or more intake valve, exhaust valve, and fuel injection for one or more cylinder of the multi-cylinder engine. The selected cylinder deactivation mode provides a controlled deviation from the selected engine speed profile at the road grade and vehicle speed.

公开(公告)号：US11578672B2

公开(公告)日：2023-02-14

申请号：US16326699

申请日：2017-08-17

Applicant: Eaton Intelligent Power Limited

Inventor： James E. McCarthy, Jr. ,  Douglas J. Nielsen ,  Brian Franke

IPC: F02D13/06 ,  F02D17/02 ,  F02D41/00

Abstract: A friction loss management system for an engine, comprises a combustion engine comprising a crankshaft and a plurality of cylinders, a reciprocating piston assembly connected to the crankshaft, a fuel injector, an intake valve, and an exhaust valve. A control unit comprises at least one set of control algorithms configured to receive engine power demand data, and determine a number of cylinders of the plurality of cylinders for deactivation based on the received engine power demand data and further based on sensed or stored friction values for the plurality of cylinders. Determining the number of cylinders of for deactivation minimizes friction between the plurality of cylinders and their respective reciprocating piston assembly by selecting a cylinder combination of active cylinders and deactivated cylinders with the lowest total friction while meeting engine power demand. All cylinders can be deactivated for purposes of coasting or controlling speed during platooning.