Impco Technologies Inc. is introducing Eclipse, a new product line designed specifically for the heavy-duty spark-ignition gas engine market-place. "The Eclipse product line is an engine management solution for transportation and industrial markets, with OEM and aftermarket engine applications." said Mike LaPlante, director of sales for the Cerritos, Calif., manufacturer.
The Eclipse heavy-duty product line strategy is built around Impco's core products, with additional technology applied in a building Nock approach, technologically matched to increasing levels of global emissions requirements, LaPlante said.
The system can be used with both naturally aspirated or turbocharged engines and is offered in four series--Eclipse I, II, III, IV, which Impco said achieves progressively more stringent emission standards for global proliferation.
"We looked at what our customers will need over the next decade, where more stringent emission standards and improved fuel economy will be major market drivers" LaPlante said. "The Eclipse system is designed to provide unparalleled flexibility for upgrading to obtain emission targets and proven technology for longevity of the engine."
LaPlante described Eclipse as a full-featured, integrated engine management system for natural gas (CNG, LNG) and LPG heavy-duty engines. The system includes an array of fuel metering technologies constructed in a building block approach based on Impco's existing air/gas mixer, and adding solenoid and electronic pressure regulation enhancements with port fuel and hybrid injection options.
Eclipse employs closed loop feedback and feed-forward fueling strategies, for the control of single point, multipoint and hybrid fuel injection techniques. The system can be configured for both stoichiometric and lean-burn air fuel ratios for naturally aspirated and turbocharged engines.
"The nature of stoichiometric internal combustion requires the use of a three-way exhaust gas catalyst in the system to attain emissions that are compliant with government regulations," LaPlante said. A two-way oxidation catalyst for lean-burn fueling strategies is used to achieve compliance for more stringent emissions standards.
Eclipse has a 24 V CAN Link-enabled engine control unit that has advanced control algorithms capable of precise fuel and air metering management with diagnostics, feedback and feed-forward strategies.
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