Auto Service World
News   July 14, 2010   by Auto Service World

Delphi Engineers Compressor Technology


When Delphi introduced its aftermarket SP compressors earlier this year, it did more than bring Original Equipment (OE) engineering and design to the aftermarket, it applied the same stringent validation, testing and manufacturing processes it does to every component it produces.
“Whether it’s engineered and designed for OE production or an aftermarket application, every Delphi part must adhere to the company’s global technical requirements,” said Mark Shasteen, vice president, global service and engineering, Delphi Product & Service Solutions. All parts released for the aftermarket undergo the same rigorous product development processes including Production Part Verification (PPV) and Production Part Approval Process (PPAP) according to Shasteen.
The purpose of PPV is to confirm the part being produced performs exactly as the prototype was designed; and the purpose of the PPAP is to ensure every part meets all of the requirements defined in the engineering samples. What’s more, any plant manufacturing a Delphi part must adhere to all of Delphi’s manufacturing standards to include performance, noise and durability testing.
“Delphi has a validation and durability test schedule to ensure our products perform in the most extreme conditions vehicles would experience worldwide,” said Shasteen.
More than a decade ago, Delphi created its exclusive compressor life-cycle test based on data from cars driving in real-world conditions, including personal vehicles, taxi fleets and police fleets. After recording the conditions the vehicle compressors were exposed to, Delphi standardized its durability test schedule, which is used for its OE and aftermarket compressors.
Delphi’s SP compressors were tested to Delphi’s durability requirements – which, in some cases, are more stringent than those of the global OEMs it serves – and met the demands of completing the test without exhibiting excessive wear. Like all products in Delphi’s aftermarket thermal line, the compressors are designed to last a minimum of 50,000 miles (80,000 km). The SP compressors also meet the designated performance requirements and exceed the Delphi requirement that calls for a noise differential of less than 3 dB. In addition, Delphi’s SP compressors underwent vehicle fit and leak testing to ensure Delphi-caliber quality.
“Because of our 100 year OE heritage, this is the way Delphi has always engineered, developed and tested parts,” said Shasteen.
Delphi’s new compressors fit popular late-model domestic and import applications, with coverage for more than 13 million vehicles.

Visit www.delphi.com for more information.

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