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.:
Date of Patent:
Jun. 24, 2025
Filed:
Sep. 02, 2021
Eaton Intelligent Power Limited, Dublin, IE;
Nathan Deville, Marshall, MI (US);
Brandon Biller, Ferndale, MI (US);
Michael Coates, Marshall, MI (US);
Leo Weeks, Olivet, MI (US);
Anandha Krishnan C, Kerala, IN;
Giridhar Jambare, West Mumbai, IN;
Vinay Kelkar, Pune, IN;
Eaton Intelligent Power Limited, Dublin, IE;
Abstract
An exhaust gas recirculation pump for an internal combustion engine that includes an electric motor assembly having an electric motor disposed within an electric motor housing. A roots device is coupled to the electric motor. The roots device includes a housing defining an internal volume. Rotors are disposed in the internal volume and connected to the electric motor. A bearing plate is attached to the housing wherein the bearing plate and an outer cover attached to the bearing plate defines an oil cavity. A transmission assembly is positioned on an opposing side of the housing relative to the electric motor and in the oil cavity.