公开(公告)号：WO2019141767A3

公开(公告)日：2019-07-25

申请号：PCT/EP2019/051132

申请日：2019-01-17

Applicant: EATON INTELLIGENT POWER LIMITED

Inventor： HUGHES, Douglas, Anthony ,  BILLER, Brandon, Dennis ,  SPRING, Jim, Kevin ,  DRUMMOND, Jesse ,  FORTINI, Matthew

IPC: F04C29/00 ,  F04C29/02 ,  F04C29/04 ,  F04C18/12 ,  F04C28/06 ,  F04C28/08 ,  F02M26/34

Abstract: A method of operating an 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 EGR control unit linked to the EGR pump assembly; providing sensors linked to the EGR control unit; determining if a motor speed is within a predetermined target (step SI), wherein when the motor speed is within the predetermined target then; determining if a motor torque is within a predetermined target (step S2) wherein when the motor torque is within the predetermined target then; determining if a motor temperature is within a predetermined target (step S3) wherein when the motor temperature is within the predetermined target then; maintaining operation of the exhaust gas recirculation pump.

公开(公告)号：WO2019141767A2

公开(公告)日：2019-07-25

申请号：PCT/EP2019/051132

申请日：2019-01-17

Applicant: EATON INTELLIGENT POWER LIMITED

Inventor： HUGHES, Douglas, Anthony ,  BILLER, Brandon, Dennis ,  SPRING, Jim, Kevin ,  DRUMMOND, Jesse ,  FORTINI, Matthew

IPC: F04C29/00 ,  F04C29/02 ,  F04C29/04 ,  F04C18/12 ,  F04C28/06 ,  F04C28/08 ,  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 EGR control unit linked to the EGR pump assembly; providing sensors linked to the EGR control unit; determining if a motor speed is within a predetermined target in step S1 wherein when motor speed=predetermined target then; determining if a motor torque is within a predetermined target in step S2 wherein when motor torque=predetermined target then; determining if a motor temperature is within a predetermined target in step S3 wherein when motor gratuerature=predetermined target then; and maintaining operation of the exhaust gas recirculation pump.