CPC F02M 26/49 (2016.02) [F02B 1/14 (2013.01); F02B 3/06 (2013.01); F02B 33/34 (2013.01); F02B 33/38 (2013.01); F02B 39/10 (2013.01); F02D 41/006 (2013.01); F02D 41/0007 (2013.01); F02D 41/0065 (2013.01); F02M 26/05 (2016.02); F02M 26/33 (2016.02); F02M 26/34 (2016.02); F02M 26/47 (2016.02); F02M 26/50 (2016.02); F04C 18/126 (2013.01); F04C 28/06 (2013.01); F04C 28/08 (2013.01); F02M 26/00 (2016.02); F02M 2026/004 (2016.02); F04C 18/14 (2013.01); F04C 29/02 (2013.01); F04C 29/04 (2013.01); Y02T 10/12 (2013.01); Y02T 10/40 (2013.01)] | 17 Claims |
1. A method of operating an exhaust gas recirculation (EGR) pump for an internal combustion engine comprising:
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 equals a predetermined target, wherein, when the motor speed equals the predetermined target then;
determining if a motor torque equals a predetermined target, wherein, when the motor torque equals the predetermined target then;
determining if a motor temperature equals a predetermined target, wherein, when the motor temperature equals the predetermined target then;
maintaining operation of the exhaust gas recirculation pump.
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