An internal combustion engine having an exhaust log structure onto which a plurality of turbochargers is connected, each turbocharger having a turbine connected to the exhaust log structure and having an inlet fluidly connectable to a respective one of the plurality of outlet ports, an exhaust valve disposed at a turbine outlet such that the flow of exhaust gas out of the turbine is fluidly blocked, and an actuator associated with the exhaust valve and operating to move the exhaust valve from a closed position to an open position and vice versa. An electronic controller provides a command to the actuator to move the exhaust valve between the open and closed positions and is programmed to selectively open two one or more exhaust valves based on an operating condition of the engine.

An engine component includes an intake manifold of stratified layers defining a plurality of runners each having a gas outlet leading to a cylinder head, and a plenum including partial walls forming channels radiating from a common gas inlet extending into a gooseneck conduit having an incorporated throttle body. The gooseneck conduit transitions into the channels and runners such that there is no seal between the gooseneck, plenum, and runners.

An engine component includes an intake manifold of stratified layers defining a plurality of runners each having a gas outlet leading to a cylinder head, and a plenum including partial walls forming channels radiating from a common gas inlet extending into a gooseneck conduit having an incorporated throttle body. The gooseneck conduit transitions into the channels and runners such that there is no seal between the gooseneck, plenum, and runners.

A cylinder block including: a plurality of cylinders; a cylinder head attached on the cylinder block and including, for each of the cylinders, an intake port extending from a combustion chamber upward and obliquely relative to an axis of the cylinder; a direct injector disposed at a position on an outer side of the intake port in a cylinder radial direction and directly injecting fuel into the combustion chamber; a port injector disposed at a position on a same side as the direct injector relative to the intake port, and injecting fuel into the intake port are provided. The intake port includes: a valve seat provided at an intake air inlet opened to the combustion chamber; and an arc portion protruding downward in a center area of the intake port on an upstream side of the valve seat, and an injection direction of the port injector is orientated in a direction in which the fuel injected from the port injector passes through a lower area of the arc portion.

A cylinder block including: a plurality of cylinders; a cylinder head attached on the cylinder block and including, for each of the cylinders, an intake port extending from a combustion chamber upward and obliquely relative to an axis of the cylinder; a direct injector disposed at a position on an outer side of the intake port in a cylinder radial direction and directly injecting fuel into the combustion chamber; a port injector disposed at a position on a same side as the direct injector relative to the intake port, and injecting fuel into the intake port are provided. The intake port includes: a valve seat provided at an intake air inlet opened to the combustion chamber; and an arc portion protruding downward in a center area of the intake port on an upstream side of the valve seat, and an injection direction of the port injector is orientated in a direction in which the fuel injected from the port injector passes through a lower area of the arc portion.

This intake apparatus for an internal combustion engine having a first bank and a second bank includes: an intake pipe including one new-air intake pipe, two branched pipes, and a junction connecting the new-air intake pipe to the two branched pipes; an EGR gas pipe connected to the junction; and a partitioning member placed around an opening in the EGR gas pipe that opens toward the intake pipe. The partitioning member defines an EGR gas storage chamber. The EGR gas storage chamber has first-bank and second-bank flow passages in which the EGR gas flows toward the first bank and the second bank. The first and second effective cross-sectional areas in the first-bank flow passage and the second-bank flow passage are smaller than the flow passage cross-sectional area in the opening of the EGR gas pipe.

This intake apparatus for an internal combustion engine having a first bank and a second bank includes: an intake pipe including one new-air intake pipe, two branched pipes, and a junction connecting the new-air intake pipe to the two branched pipes; an EGR gas pipe connected to the junction; and a partitioning member placed around an opening in the EGR gas pipe that opens toward the intake pipe. The partitioning member defines an EGR gas storage chamber. The EGR gas storage chamber has first-bank and second-bank flow passages in which the EGR gas flows toward the first bank and the second bank. The first and second effective cross-sectional areas in the first-bank flow passage and the second-bank flow passage are smaller than the flow passage cross-sectional area in the opening of the EGR gas pipe.

An engine includes: two cylinder rows so placed as to be aligned side by side; a turbocharger; and an intercooler shared by the two cylinder rows, and connected to the turbocharger. The intercooler has: a cool liquid flow path through which a cool liquid flows, and an intake air flow path through which intake air from the turbocharger flows. The cool liquid flow path has an inlet and outlet of the cool liquid on one side in a first direction along the flow of the cool liquid. The intake air flow path has an inlet of the intake air on one side in a second direction along the flow of the intake air, and an outlet of the intake air on another side.

An engine includes: two cylinder rows so placed as to be aligned side by side; a turbocharger; and an intercooler shared by the two cylinder rows, and connected to the turbocharger. The intercooler has: a cool liquid flow path through which a cool liquid flows, and an intake air flow path through which intake air from the turbocharger flows. The cool liquid flow path has an inlet and outlet of the cool liquid on one side in a first direction along the flow of the cool liquid. The intake air flow path has an inlet of the intake air on one side in a second direction along the flow of the intake air, and an outlet of the intake air on another side.

An exemplary engine includes an engine body including at least one cylinder row in which a plurality of cylinders are arranged in a front-rear direction, an intake pipe disposed on one side surface of the engine body and extending in the front-rear direction, and a first electric wire disposed below the intake pipe and along the one side surface.