| 摘要 |
<p>A supply system (1), for supplying an internal combustion engine (3) with air and fuel, is provided with a first fuel supply circuit (18), having at least one electro-injector (17) controlled by an electronic unit (16), an intake conduit (5) conveying combustion air, a throttle valve (10) in the intake conduit (5), and a second fuel supply circuit (20), activated in the event of failure and having a nozzle (25) that atomizes fuel due to a depression in the intake conduit (5); a fuel flow rate adjusting valve (27) varies the flow rate exiting from the nozzle (25), under the operation of a mechanical transmission (28), according to the operation of the throttle valve (10).</p> |
