04014 - Fuel Injector Drip Sensor Test Stand •Jason Chekansky – Project Manager, ME •Hugh Campbell – Lead Engineer, ME •Peter Boyer – ME •Matthew Kubarek – ME •Brian Crawford – ME •Richard Peffer III – EE •Courtney Stout - IE •Dr. Alan Nye – Faculty Mentor •Lee Markle – Delphi Representative R· I· T Preliminary Design Review
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04014 - Fuel Injector Drip Sensor Test Stand
•Jason Chekansky – Project Manager, ME
•Hugh Campbell – Lead Engineer, ME
•Peter Boyer – ME
•Matthew Kubarek – ME
•Brian Crawford – ME
•Richard Peffer III – EE
•Courtney Stout - IE
•Dr. Alan Nye – Faculty Mentor
•Lee Markle – Delphi Representative
R·I·T Preliminary Design Review
Problem Statement�� Research, design, and implement an Research, design, and implement an
automated fuel injector drip sensing system.automated fuel injector drip sensing system.�� Sensing system to integrate with fuel Sensing system to integrate with fuel
injector control already in use.injector control already in use.�� Design of a test chamber to house the fuel Design of a test chamber to house the fuel
injectors and sensing system.injectors and sensing system.
R·I·T Preliminary Design Review
Current Set-up and Test�� LabVIEWLabVIEW based controlbased control�� Single injector testing capabilitiesSingle injector testing capabilities�� 1010--20 minute tests20 minute tests�� Manual system requires constant Manual system requires constant
user input user input
R·I·T Preliminary Design Review
Process Flow Chart
R·I·T Preliminary Design Review
USER INPUTStart purge cycle.
PROCESSPurge fuel injectors.
VARIABLEDrip falls from injector tip.
PROCESSFuel injector test cycle.
USER INPUTStart test.
DETECTIONSensor system detects
drip.
DAQSignal is amplified,filtered, and sent to
computer.
INTERPRETATIONLabVIEW records
timestamp.
END OF PROCESSTest ends, file saved.
Specifications�� Detection and time stamping of dripsDetection and time stamping of drips�� Sensing function automated after start of testSensing function automated after start of test�� Capability to test 80% of Delphi InjectorsCapability to test 80% of Delphi Injectors�� SetSet--up time < 10 min per injectorup time < 10 min per injector�� Results must be collected in Results must be collected in LabVIEWLabVIEW�� Injectors capable of rotating 0Injectors capable of rotating 0oo to 90to 90oo
�� Test containment unit capable of withstanding full vacuumTest containment unit capable of withstanding full vacuum�� Comply with Delphi standard safety guidelinesComply with Delphi standard safety guidelines�� Payback within 6 monthsPayback within 6 months