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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 12006896 B1

PDFFull Text
Date of Patent:
Jun. 11, 2024

Filed:

May. 19, 2023

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, Milford, MI (US);

Jesse Drummond, Rochester Hills, MI (US);

Matthew Fortini, Allen Park, MI (US);

Assignee:

Eaton Intelligent Power Limited, Pembroke, IE;

Attorney:

Merchant and Gould, PC

Primary Examiner:

Peter J Bertheaud

Int. Cl.
CPC ...
F02M 26/49 (2016.01); F02B 33/34 (2006.01); F02B 33/38 (2006.01); F02B 39/10 (2006.01); F02D 41/00 (2006.01); F02D 41/06 (2006.01); F02D 41/14 (2006.01); F02M 26/00 (2016.01); F02M 26/05 (2016.01); F02M 26/33 (2016.01); F02M 26/34 (2016.01); F02M 26/50 (2016.01); F04C 18/12 (2006.01); F04C 18/14 (2006.01); F04C 28/06 (2006.01); F04C 28/08 (2006.01); F04C 29/02 (2006.01); F04C 29/04 (2006.01);
U.S. Cl.
CPC ...
F02M 26/49 (2016.02); F02B 33/34 (2013.01); F02B 33/38 (2013.01); F02B 39/10 (2013.01); F02D 41/0007 (2013.01); F02D 41/0055 (2013.01); F02D 41/006 (2013.01); F02D 41/0065 (2013.01); F02D 41/064 (2013.01); F02D 41/1446 (2013.01); F02M 26/05 (2016.02); F02M 26/33 (2016.02); F02M 26/34 (2016.02); F02M 26/50 (2016.02); F04C 18/126 (2013.01); F04C 28/06 (2013.01); F04C 28/08 (2013.01); F04C 29/04 (2013.01); F02D 2200/021 (2013.01); F02M 26/00 (2016.02); F04C 18/14 (2013.01); F04C 29/02 (2013.01); F04C 2240/30 (2013.01); F04C 2240/81 (2013.01); F04C 2270/0525 (2013.01); F04C 2270/19 (2013.01); Y02T 10/12 (2013.01); Y02T 10/40 (2013.01);
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 Swherein when motor speed=predetermined target then; determining if a motor torque is within a predetermined target in step Swherein when motor torque=predetermined target then; determining if a motor temperature is within a predetermined target in step Swherein when motor temperature=predetermined target then; and maintaining operation of the exhaust gas recirculation pump.

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