公开(公告)号：US12146458B2

公开(公告)日：2024-11-19

申请号：US18328452

申请日：2023-06-02

Applicant: Eaton Intelligent Power Limited

Inventor： Sarah Elizabeth Behringer ,  Douglas Anthony Hughes ,  Brandon Biller ,  Witt Thanom

IPC: F02M26/49 ,  F02M26/34

Abstract: A method of operating an exhaust gas recirculation (EGR) pump for an internal combustion engine including: providing an EGR pump assembly including an electric motor coupled to a roots device having rotors, the EGR pump assembly operably connected to the internal combustion engine; providing a system controller; providing an EGR control unit linked to the EGR pump assembly; sending a speed command from the system controller to the EGR control unit; determining if a motor temperature and a module temperature are within a predetermined target; outputting a desired speed signal; determining if a motor speed is within a predetermined target; determining if a motor voltage is within a predetermined target; and outputting a current to the electric motor controlling the speed of the electric motor and regulating an EGR mass flow rate.

公开(公告)号：US11698046B2

公开(公告)日：2023-07-11

申请号：US17312197

申请日：2019-12-11

Applicant: EATON INTELLIGENT POWER LIMITED

Inventor： Sarah Elizabeth Behringer ,  Douglas Anthony Hughes ,  Brandon Biller ,  Witt Thanom

IPC: F02M26/49 ,  F02M26/34

CPC classification number: F02M26/49 ,  F02M26/34

Abstract: A method of operating exhaust gas recirculation pump for an internal combustion engine including: providing an EGR pump assembly including an electric motor coupled to a roots device having rotors, the EGR pump operably connected to an internal combustion engine; providing an system controller; providing an EGR control unit linked to the EGR pump assembly; sending a speed command from the system controller to the EGR control unit; determining if a motor temperature and module temperature is within a predetermined target; outputting a desired speed signal; determining if a motor speed is within a predetermined target; determining if a motor voltage is within a predetermined target; and outputting a current to the electric motor controlling the speed of the electric motor and regulating an EGR mass flow rate.

公开(公告)号：US20220056872A1

公开(公告)日：2022-02-24

申请号：US17312197

申请日：2019-12-11

Applicant: EATON INTELLIGENT POWER LIMITED

Inventor： Sarah Elizabeth Behringer ,  Douglas Anthony Hughes ,  Brandon Biller ,  Witt Thanom

IPC: F02M26/49 ,  F02M26/34

Abstract: A method of operating exhaust gas recirculation pump for an internal combustion engine including: providing an EGR pump assembly including an electric motor coupled to a roots device having rotors, the EGR pump operably connected to an internal combustion engine; providing an system controller; providing an EGR control unit linked to the EGR pump assembly; sending a speed command from the system controller to the EGR control unit; determining if a motor temperature and module temperature is within a predetermined target; outputting a desired speed signal; determining if a motor speed is within a predetermined target; determining if a motor voltage is within a predetermined target; and outputting a current to the electric motor controlling the speed of the electric motor and regulating an EGR mass flow rate.

公开(公告)号：US20250035075A1

公开(公告)日：2025-01-30

申请号：US18915750

申请日：2024-10-15

Applicant: Eaton Intelligent Power Limited

Inventor： Sarah Elizabeth Behringer ,  Douglas Anthony Hughes ,  Brandon Biller ,  Witt Thanom

IPC: F02M26/49 ,  F02M26/34

Abstract: A method of operating an exhaust gas recirculation (EGR) pump for an internal combustion engine including: providing an EGR pump assembly including an electric motor coupled to a roots device having rotors, the EGR pump assembly operably connected to the internal combustion engine; providing a system controller; providing an EGR control unit linked to the EGR pump assembly; sending a speed command from the system controller to the EGR control unit; determining if a motor temperature and a module temperature are within a predetermined target; outputting a desired speed signal; determining if a motor speed is within a predetermined target; determining if a motor voltage is within a predetermined target; and outputting a current to the electric motor controlling the speed of the electric motor and regulating an EGR mass flow rate.

公开(公告)号：US20240018922A1

公开(公告)日：2024-01-18

申请号：US18328452

申请日：2023-06-02

Applicant: Eaton Intelligent Power Limited

Inventor： Sarah Elizabeth Behringer ,  Douglas Anthony Hughes ,  Brandon Biller ,  Witt Thanom

IPC: F02M26/49 ,  F02M26/34

CPC classification number: F02M26/49 ,  F02M26/34

Abstract: A method of operating an exhaust gas recirculation (EGR) pump for an internal combustion engine including: providing an EGR pump assembly including an electric motor coupled to a roots device having rotors, the EGR pump assembly operably connected to the internal combustion engine; providing a system controller; providing an EGR control unit linked to the EGR pump assembly; sending a speed command from the system controller to the EGR control unit; determining if a motor temperature and a module temperature are within a predetermined target; outputting a desired speed signal; determining if a motor speed is within a predetermined target; determining if a motor voltage is within a predetermined target; and outputting a current to the electric motor controlling the speed of the electric motor and regulating an EGR mass flow rate.