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SAE J2797_202202

Name: SAE J2797_202202 PDF | Request Standard
SKU: 0a40166cd8b6

Power Cylinder Blow-by: Blow-by Mechanisms

Standard by SAE International, 2022-02-15

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SAE J2797_202202.PDFSecure PDF
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Language: English
License Type: Single User
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Language: English
License Type: Enterprise / Multi User
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About This Item

This document covers the mechanisms associated with the power cylinder system which might affect blow-by. It will not discuss in detail the blow-by mechanisms from other systems or engine subsystems. This Five-Year Review and update include additional detail and clarifications on fundamental mechanisms of blow-by. Some of the updates are: Addition of Breathers that can affect blow-by. Removal of Oil Jets, Piston Pins, and Connecting Rods causing high blow-by Addition of Concentricity of the piston features that can cause blow-by Removed piston guidance and the associated figures as a cause of blow-by Removed Skirt Axial Profile and the associated figures as a cause of blow-by Added Microwelding as a factor that can cause high blow-by Updated the information regarding piston ring conformability Removed the effects of Oil Viscosity causing blow-by Removed Torque procedure and Improper O-rings affecting blow-by Added “Other Publications” in Section 2 with references to key technical publications on ring conformability

SKU: 0a40166cd8b6

Publication Date: 2022-02-15

Standard Status: latest

Publisher: SAE International

Document Type: Ground Vehicle Standard

Subject: Connecting rods, Combustion chambers, Engine cylinders, Engine lubrication systems, Combustion and combustion processes, Pistons, Finite element analysis, Crankcases,

Official SAE: Doi link

This Version: J2797_202202 (2022-02-15)
Previous Version: J2797_201408 (2014-08-28)
Previous Version: J2797_200702 (2007-02-07)

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