July 11, 2013 12:12 PM
Philip Friedman
A. Intake
The size of the intake and how it bolts on to the engine will vary between applications. Nong says the first PicoSpray model will work on single-cylinder engines with displacements from 90 to 300 cc.
B. Engine Control Unit
The built-in Engine Control Unit (ECU) includes sensors for air temperature, manifold absolute pressure, and throttle position. For something simple, such as a portable generator, the system requires fuel and power connections alone, but it can accept outside inputs.
C. Pump
A positive-displacement pump replaces the fuel pump, pressure regulator, and injector of a traditional EFI. The pump squirts high-?pressure fuel into the intake on demand in precisely metered amounts.
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