SOUTHWEST RESEARCH INSTITUTE

Spark Ignition Engines

Study of Intake Valve Deposits Through Laboratory Bench Tests

 

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Reference: 03-8943

Client: Commercial Confidential

Duration: Six Months

An experimental bench rig has been devised at Southwest Research Institute (SwRI) that uses engine-like conditions to accumulate intake valve deposits. There is no combustion, so the intake valve is heated by an induction heater. This arrangement allows independent control of such variables as manifold depression, speed, air and fuel flow rates, and most importantly, valve temperatures.

 

The primary objective of the bench test rig was to produce intake valve deposits in the laboratory capable of causing driveability problems without the expense of conducting lengthy automobile driving tests. SwRI accomplished this objective by determining in laboratory tests the combination of engine operating conditions (i.e., manifold vacuum, airflow, speed, injection timing, and valve temperature) that would produce the desired deposits.

 

Please browse this web site to see the full capabilities and experience of SwRI and the Engine, Emissions & Vehicle Research Division. Then give us an opportunity to become an extension of your engineering department.

 

For a more comprehensive review of our laboratory bench testing capabilities, or information on how you can contract with SwRI, please contact Terry Alger at talger@swri.org or (210) 522-5505.

 

siengines.swri.org

 

Contact Information

Terry Alger

Spark Ignition Engines

(210) 522-5505

talger@swri.org

siengines.swri.org

Related Terminology

emissions development

component evaluations

performance development

combustion chamber  optimization

engine dynamometer testing

gaseous fuels

spark plug testing

fuel spray analysis

electronic control engineering services

 
 

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Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 11 technical divisions.

December 28, 2012