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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11668269 B1

PDFFull Text
Date of Patent:
Jun. 06, 2023

Filed:

Jan. 17, 2019

Egr pump system and control method of egr pump

Applicant:

Eaton Intelligent Power Limited, Dublin, IE;

Inventors:

Douglas Anthony Hughes, Novi, MI (US);

Brandon Dennis Biller, Ferndale, MI (US);

Jim Kevin Spring, Brighton, MI (US);

Jesse Drummond, Rochester Hills, MI (US);

Matthew Fortini, Fivonia, MI (US);

Assignee:

Eaton Intelligent Power Limited, Dublin, IE;

Attorney:

Merchant & Gould P.C.

Primary Examiner:

Peter J Bertheaud

Int. Cl.
CPC ...
F02M 26/49 (2016.01); F02M 26/34 (2016.01); F04C 28/06 (2006.01); F04C 28/08 (2006.01); F04C 18/12 (2006.01); F02M 26/33 (2016.01); F02M 26/05 (2016.01); F02M 26/47 (2016.01); F02M 26/50 (2016.01); F02D 41/00 (2006.01); F02B 1/14 (2006.01); F02B 3/06 (2006.01); F02B 33/38 (2006.01); F02B 39/10 (2006.01); F02B 33/34 (2006.01); F04C 18/14 (2006.01); F04C 29/02 (2006.01); F04C 29/04 (2006.01); F02M 26/00 (2016.01);
U.S. Cl.
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);
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 lined 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 S) wherein when the motor torque is within the predetermined target then; determining if a motor temperature is within a predetermined target (step S) wherein when the motor temperature is within the predetermined target then; maintaining operation of the exhaust gas recirculation pump.

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