| US 7,536,991 B2 | ||
| Fuel injection for small engines | ||
| Vishalsinh V. Kadam, Sanford, N.C. (US); Saurabh V. Gandhe, Apex, N.C. (US); Steven Eason, Sanford, N.C. (US); and Carlos F. Damasceno, Chapel Hill, N.C. (US) | ||
| Assigned to Magneti Marelli Powertrain USA, Sanford, N.C. (US) | ||
| Filed on Jul. 09, 2007, as Appl. No. 11/774,925. | ||
| Prior Publication US 2009/0018750 A1, Jan. 15, 2009 | ||
| Int. Cl. F02D 9/08 (2006.01); F02D 9/10 (2006.01) | ||
| U.S. Cl. 123—337 | 17 Claims |
| 1. A fuel injection system for internal combustion engines comprising:
a polymeric housing comprising a throttle body and an ECU case releasably engageable with the throttle body portion;
the throttle body further comprising a selectively positionable throttle, a contactless throttle position sensor that directly
senses the position of the throttle and an integrally mounted injector;
the ECU case comprising an ECU and a built-in temperature sensor, throttle position controller, throttle position sensor pump
controller, ignition driver and pulse fuel pump;
a fuel pump supplying fuel to the injector; and
a fuel rail providing fluid communication between the fuel pump and the injector.
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