The next generation of the popular Learjet 40 has enhanced engines said to deliver improved time-to-climb and cruise speeds.
The two more powerful models get an Active Exhaust system that uses electronically controlled bypass valves in order to enhance engine sounds; Active Exhaust is also available as an option on the entry-level model.
A patented valve stem seal has been developed that is designed to improve the quality of emissions and enhance engine operation and reliability.
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Engine test results showed that the PAC reformer not only reduced CO and HC concentrations by 42% and 21%, respectively, but also enhanced the engine performance, e.g., the brake power increased by 14% and the gasoline consumption by 33%.
Advanced thermal management systems for internal combustion engines can enhance overall engine performance through the use of computer controlled cooling system actuators.
The company has enhanced its engines, improved its handling and given its interiors -- once respected for their safety features but seldom noted for their style -- some panache.
There will be hybrids, flex-fuels, diesels, plug-ins and fuel cells on display, as well as enhanced gasoline engines, each offering its own argument for how to reduce dependence on oil and clean up the environment.
View of the current engine product development problems (such as lack of integrity, long development cycle, low efficiency and high cost), in order to enhance comprehensive engine development capability, system and process of engine development was studied in this paper.
