Kavana Prabhakar Rao

US Patent:

20140032085, Jan 30, 2014

Filed:

Jul 25, 2012

Appl. No.:

13/558183

Inventors:

Paul Douglas FREE - Hope IN, US
Kavana RAO - Columbus IN, US
Michael F. MATTERN - Columbus IN, US

Assignee:

CUMMINS INTELLECTUAL PROPERTY, INC. - Minneapolis MN

International Classification:

F01M 1/16

US Classification:

701112, 701102

Abstract:

A system and method of providing supplementary oil flow to an oil circuit of an internal combustion engine is described. The primary oil supply is from a mechanical oil pump. The supplementary oil supply is provided using a control system, one or more sensors, and an electrical oil pump. The system is beneficial in circumstances where the mechanical oil pump provides insufficient oil flow, including during engine shutdown.