In one embodiment, an engine system (10) may include an engine control system (12) configured to receive a first pressure signal transmitted from a first pressure sensor (43) disposed downstream from a throttle valve (14), receive a first temperature signa...

The present invention provides an internal combustion engine having a throttle body including a venturi (3001)provided in an air intake passage (120) and a nozzle (3002), and a fuel injection unit (3000) arranged to deliver fuel into charge air passing thr...

An object of the present invention is to maintain stable air-fuel ratio on a venturi type fuel supply device, irrespective of the external load such as air-conditioner and electrical load, and to provide stable engine speed on idling state. A venturi type ...