20100170470 | FUEL DELIVERY SYSTEM FOR MULTI-FUEL ENGINE - A fuel delivery system for an engine and a method of its operation are described. The fuel delivery system includes a first fuel injector for delivering a first fuel to a cylinder of the engine; a second fuel injector for delivering a second fuel to the cylinder; an electrical relay system disposed between a first electrical potential and each of the first and second fuel injectors; an electronic driver disposed between a second electrical potential and each of the first and second fuel injectors; and a control module. The control module is configured to switch the electrical relay system between first and second positions to select one of the first and second fuels, respectively. The electronic driver is closed by the control module to deliver the selected one of the first or second fuel to the first cylinder via a respective one of the first or second fuel injectors. | 07-08-2010 |