Intake pressure sensor arrangement for engine

An internal combustion engine comprising an engine body, a plurality of moveable members moveable relative to the engine body, the engine body and the moveable members together defining a plurality of combustion chambers, a plurality of intake conduits defining intake passages through which air flows, the intake conduits extending generally horizontally, an intake pressure sensor configured to sense intake pressure within the intake passages, an accumulator defining at least a bottom surface and a vertical surface, a plurality of first conduits coupled with one of the bottom and vertical surfaces, at least one second conduit coupled with the other surface of the bottom and vertical surfaces, the first conduits connecting the accumulator to the respective intake passages, the second conduit connecting the accumulator to the intake pressure sensor, at least one fuel injector arranged to spray fuel for combustion in the combustion chambers, and a control device configured to control the fuel injector based upon at least a signal of the intake pressure sensor.

An outboard motor comprising an internal combustion engine, and a support member arranged to support the engine, the engine comprising an engine body, a plurality of moveable members moveable relative to the engine body, the engine body and the moveable members together defining a plurality of combustion chambers, a plurality of intake conduits defining intake passages through which air flows, an intake pressure sensor configured to sense intake pressure within the intake passages, an accumulator defining at least first and second outer surfaces, a plurality of first conduits coupled with the first surface, at least one second conduit coupled with the second surface, the first conduits connecting the accumulator to the respective intake passages, the second conduit connecting the accumulator to the intake pressure sensor, at least one fuel injector arranged to spray fuel for combustion in the combustion chambers, and a control device configured to control the fuel injector based upon at least a signal of the intake pressure sensor.

An internal combustion engine comprising an engine body, a plurality of moveable members moveable relative to the engine body, the engine body and the moveable members together defining a plurality of combustion chambers, a plurality of intake conduits defining intake passages through which air flows, an intake pressure sensor configured to sense intake pressure within the intake passages, an accumulator, a plurality of first conduits, each first conduit being coupled with the accumulator separately of the other first conduits, at least one second conduit coupled with the accumulator, the first conduits connecting the accumulator to the respective intake passages, the second conduit connecting the accumulator to the intake pressure sensor, at least one fuel injector arranged to spray fuel for combustion in the combustion chambers, and a control device configured to control the fuel injector based upon at least a signal of the intake pressure sensor.

An internal combustion engine comprising an engine body, a plurality of moveable members moveable relative to the engine body, the engine body and the moveable members together defining a plurality of combustion chambers, a plurality of intake conduits defining intake passages through which air flows, an intake pressure sensor configured to sense intake pressure within the intake passages, an accumulator, a plurality of first conduits coupled with the accumulator, at least one second conduit coupled with the accumulator, the first conduits connecting the accumulator to the respective intake passages, the second conduit connecting the accumulator to the intake pressure sensor, at least one fuel injector arranged to spray fuel for combustion in the combustion chambers, a fuel pressure regulator in communication with the fuel injector to regulate fuel pressure at the fuel injector, and a third conduit connecting the accumulator to the fuel pressure regulator.