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Challenge <p> Heavy Duty Engine – Crankcase Ventilation Oil Separator Clogging</p>

Heavy Duty Engine – Crankcase Ventilation Oil Separator Clogging

STATUS: Awarded
Active Solvers: 184
Posted: Aug 02 2017
Challenge ID: 9933996
 
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Abstract

Our heavy duty diesel engines currently have a Closed Crankcase Ventilation System (CCV). The problem that we face is primarily clogging of the CCV oil separator (oil sludge accumulation) resulting in higher crank case pressure eventually damaging the engine. This leads to high costs and customer dissatisfaction. We are seeking a detection/warning method to alert the user of the condition, a test method to diagnose engines in the field and a longer term solution to the problem. 

This Theoretical Challenge requires only a written proposal.

Overview

A crankcase ventilation (CCV) refers to the venting and removal of gasses created as a result of a natural process that occurs in almost all internal combustion engines. These are “blow by” gases that leak past the piston rings from the combustion chamber and contain soot, particulate matter, water and oil vapor, unburned fuel and exhaust by product gases (CO, CO2, NOx, etc.) The crankcase ventilation system is a one way passage for gases to escape in a controlled manner from the crankcase of an internal combustion engine while not polluting the air with hydrocarbons. The solids and liquids are separated from the gases first by centrifugation, then the oil is returned to the sump and the relatively clean gases are vented.

When the separation system gets clogged with oil sludge, the system builds an overpressure and eventually damaging the engine. Certain conditions and improper maintenance hasten this buildup and cause failures in the field. We are in need of a warning system to these conditions and a long term solution to prevention of sludge build up. 

This is a Theoretical Challenge that requires only a written proposal to be submitted. The Challenge award will be contingent upon theoretical evaluation of the proposal by the Seeker. If multiple proposals meet all the Technical Requirements, the Seeker reserves the right to award only the solution which they believe is superior and cost effective.  

To receive an award, the Solvers will have to transfer to the Seeker their exclusive Intellectual Property (IP) rights to the solution. However, the Seeker will be willing to consider a licensing agreement for a partial award if exclusive IP cannot be transferred by the Solver.

Submissions to this Challenge must be received by 11:59 PM (US Eastern Time) on September 4,2017

Late submissions will not be considered.

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