Abstract: The present disclosure provides a charge air cooler system having a manifold charge air cooler, a first charge air cooler and a second charge air cooler wherein each charge air cooler are in fluid communication with each other. The manifold charge air cooler is within a plenum and defines a first chamber and a second chamber within the plenum. The manifold charge air cooler is configured to cool of unsteady flow between the first and second chambers. The first charge air cooler may be configured to cool a first ambient air flow and may be in fluid communication with the first chamber. The second charge air cooler may be configured to cool a second ambient air flow wherein the second charge air cooler is in fluid communication with the second chamber.

Abstract: A fresh air supply device for an internal combustion engine may include a housing and a flap arrangement arranged in the housing. The flap arrangement may include at least one flap for controlling a fresh air flow through a fresh air path to a respective cylinder of the internal combustion engine. The flap arrangement may include a common actuator shaft connected to the at least one flap in a torque-proof manner and mounted rotatably about an axis of rotation in a plurality of bearings of the flap arrangement. The actuator shaft may have at least one actuator shaft section in which the actuator shaft has a right-angle bend configured to interact with a stop present on the housing for limiting rotational movement of the actuator shaft.

Abstract: A first downstream part of an intake manifold has a first downstream passage configured to communicate with an intake port of a first cylinder head. A second downstream part of the intake manifold has a second downstream passage configured to communicate with an intake port of a second cylinder head. An upstream part is coupled to the first downstream part and the second downstream part. The upstream part is arranged upstream from the first and second downstream parts in the flow direction of intake air and has a first upstream passage and a second upstream passage. The material of the first downstream part and the material of the second downstream part both have higher rigidity than the material of the upstream part.

Abstract: A dual compressor turbocharger includes two compressors. One compressor supplies fuel pressure, and one compressor supplies air pressure. The dual compressor turbocharger includes a turbine driven by exhaust of an engine and a shaft coupled to the turbine. The first compressor is mounted on the shaft and includes a first inlet coupled to an air supply and a first outlet coupled to an air intake of the engine. The second compressor is mounted on the shaft and includes a second inlet coupled to a fuel supply and a second outlet coupled to a fuel supply rail of the engine.

Abstract: A gas distribution unit includes four EGR inflow ports connected one to each of a plurality of branch pipes of an intake unit provided with a collecting pipe and the branch pipes, a EGR chamber located upstream of and connected to the EGR inflow ports, and a branch passage part located upstream of and connected to the EGR chamber to uniformly distribute EGR gas introduced through a gas inflow port into the EGR chamber.

Abstract: In this air intake apparatus, a plurality of respective air intake ports include sealing surfaces that include inner wall surfaces with which valve bodies come into contact at the closed positions of the valve bodies, and the rotation angles of valve bodies located on a side relatively close to a drive source from their open positions to their closed positions are larger than the rotation angles of valve bodies located on a side relatively opposite to the drive source when a plurality of valve bodies are rotated from their open positions to their closed positions.

Abstract: There is provided an engine. An exhaust manifold is attached to an exhaust port of a cylinder head. A supercharger has a turbine housing accommodating therein a turbine configured to rotate by an exhaust air from the exhaust port. A balancer is disposed at a front side in a crank case. A radiator is disposed in front of the engine. The exhaust manifold and the turbine housing are integrally formed. The supercharger is disposed above the balancer. The radiator is disposed above the supercharger.

Abstract: Disclosed is an intake apparatus for an engine transversely mounted within an engine compartment at a front of a vehicle. The intake apparatus comprises: an intake manifold made of a synthetic resin and disposed on a front side of the engine, the engine front side being a front side of the vehicle; and a fuel distribution pipe disposed between the engine and the intake manifold to extend in the cylinder row direction and capable of delivering fuel to respective cylinders of the engine; wherein the intake manifold has a protruding portion provided on a front surface thereof to protrude from the front surface in a vehicle forward direction, wherein the protruding portion is provided at a position capable of allowing a member disposed in front of the intake manifold to come into collision therewith in the event of a vehicle frontal collision.

Abstract: An exhaust manifold includes an inner assembly that defines an exhaust gas passage and an outer housing assembly that surrounds the inner assembly. The outer housing assembly includes a first housing component configured for attachment to an engine and a second housing component configured for attachment to a turbocharger. The first and second housing components cooperate to surround the inner assembly. At least one fastener secures the first and second housing components together to generate a compressive force that seals and holds the inner assembly in a gas tight manner.

Abstract: A moment-cancelling, four-stroke engine is disclosed. The engine includes a first cylinder having a first piston and a second cylinder having a second piston, a first crankshaft operably connected to the first piston and a second crankshaft operably connected to the second piston. The first crankshaft rotates in a first direction and the second crankshaft rotates in a second direction that is opposite the first direction to cancel the moments applied to the engine and reduce engine vibration.

Abstract: Methods and systems are provided for a collar welded to a runner to manage stress in an exhaust manifold. In one example, a system may include welding a collar to a runner and a flange with an air gap located between the collar, the runner, and the flange.

Abstract: An intake manifold includes a surge tank and a plurality of inlet pipes extending from the surge tank. Of the inlet pipes, proximal portions of an adjacent pair of inlet pipes are integrated, for example, by being connected with a plate-like connecting portion. The proximal portions of the two adjacent inlet pipes are integrated with a side wall of the surge tank by a reinforcing rib. The reinforcing rib extends, for example, from the connecting portion to the side wall of the surge tank. The intake manifold may be formed by a lower half body and an upper half body, which are welded to each other by using welding margins provided in the half bodies. In this case, it is preferable that parts of each welding margin that are located to correspond to the proximal portions of the inlet pipes be wider than the remainder of the same welding margin.

Abstract: There is provided a multi-directional selector valve which makes it possible to control opening and closing of the discharge ports in an easy manner and to minimize increase in cost and size even if the number of branches is increased. The multi-directional selector valve includes a valve case provided with a suction port and at least two discharge ports, at least two valve bodies provided for opening or closing the at least two discharge ports, a drive body formed into a rod-like shape and provided for driving the valve bodies and a drive source for rotating the drive body, and is configured such that any of convex portions provided on the side of the drive body are pressed onto any of the at least two valve bodies by the rotation of the drive body, thereby opening or closing the at least two discharge port in order.

Abstract: Provided is an intake system that enables extension of an intake air introduction pipe without increasing the external dimension of the intake system. The intake system comprises: a plurality of branch pipes (27-30) which are arranged one next to the other and communicate at downstream ends thereof with a plurality of intake ports (14) provided in an engine (10), respectively, each branch pipe extending from the downstream end thereof to an upstream end thereof in a curved manner; an intake chamber (26) communicating with the upstream ends of the branch pipes; and an intake air introduction pipe (25) having a downstream end communicating with the intake chamber, wherein the intake air introduction pipe has a section that extends in a space defined between the branch pipes and the engine in a direction of arrangement of the branch pipes.

Abstract: A compact air cleaner device with a secure intake capacity. An internal combustion engine includes the air cleaner device mounted on a vehicle body frame. The air cleaner device includes an air cleaner case having a filter element therein, and being partitioned into a dirty side chamber and a clean side chamber with a plurality of intake ducts for leading an outside air into the dirty side chamber, the intake ducts being provided so as to form a left-right pair. The intake ducts have intake ports opened outside side portions of the air cleaner case. Paths of the intake ducts leading to discharge ports are housed within the dirty side chamber with bent portions. The discharge ports of the intake ducts forming the left-right pair are disposed so as to be oriented to a central side of the air cleaner case and offset from each other in a forward-rearward direction.

Abstract: Methods and systems are provided for a direct injection fuel pump. The methods and systems selectively operate the direct injection fuel pump with varying levels of efficiency. In one example, an amount of piston lift of a direct fuel injection pump may be adjusted to selectively alter the pump's operating efficiency.

Abstract: An engine is disclosed. The engine may have an air box. The engine may further have an opening into the air box. The engine may additionally have a baffle positioned adjacent the opening. The engine may also have a cylinder defining an intake port, with the intake port positioned in the air box. The baffle may be configured to deflect air that passes through the opening to direct the air away from the intake port of the cylinder.

Abstract: An engine assembly generally includes an engine and an intake manifold. The engine includes a plurality of cylinders. The plurality of cylinders includes a pair of cylinders. The engine is configured to sequentially fire the pair of cylinders. The intake manifold defines a plurality of ports. Each port is in fluid communication with one of the plurality of cylinders. The plurality of ports includes a pair of ports. Each of the pair of ports is disposed in fluid communication with one of the pair of cylinders. The intake manifold further includes a baffle disposed between the pair of ports to restrict fluid flow within the intake manifold between the pair of ports.

Abstract: The present disclosure refers to a turbocharged internal combustion engine with exhaust gas recycling, comprising an intake manifold, an exhaust manifold, a fresh air turbocharger and an exhaust supercharger, wherein the intake manifold is divided by a separating wall into a fresh air passage and an exhaust passage, one of the passages being connected to inlet openings of cylinders of the engine, the fresh air passage being connected to the outlet of the compressor of the fresh air turbocharger, the exhaust passage being connected to the outlet of the compressor of the exhaust supercharger and the separating wall being formed with orifices connecting the two passages.

Abstract: A mounting device can mount an intake manifold to an engine and includes a bending moment applying device applying a bending moment to the intake manifold as the intake manifold is mounted to the engine.

Abstract: An intake assembly for a 3-cylinder, V-configured engine comprises an intake manifold configured to conduct combustion air to a first, two-cylinder, cylinder head housing assembly and a second, single-cylinder, cylinder head housing assembly. A centrally extending plenum defines a plenum axis. A first plurality of intake runners, in fluid communication with the plenum, extend from a front side and transition through a circumferential arc around an upper side to deliver combustion air to, the first, two-cylinder, cylinder head housing assembly. A single intake runner, in fluid communication with the centrally extending plenum, extends from a rear side and transitions through a circumferential arc around the upper side to deliver combustion air to, the second, single-cylinder, cylinder head housing assembly. A zip tube delivers combustion air to the central plenum at a location that is between one of the first plurality of intake runners and the single cylinder intake runner.

Abstract: An intake device of an engine comprises an intake manifold of a four-cylinder inline engine and a water-cooling type of intercooler. The intake manifold includes a downstream branch pipe portion connecting to cylinders, a chamber portion connecting to the downstream branch pipe portion, and an upstream intake pipe portion connecting to the chamber portion. A rectangular opening portion having a vertically-long shape is formed at the upstream intake pipe portion. The intercooler includes an intercooler body portion having a pair of faces which has the widest face-area and faces to each other in an engine width direction. The intercooler body portion is installed in the chamber portion, by being inserted through the rectangular opening portion, so as to divide an inside of the chamber portion into two parts in the engine width direction thereby.

Abstract: An gas directing/exhaust system and method are provided that has different embodiments. In some embodiments, the gas directing mechanism has a first pathway and a second pathway. In other embodiments, the gas directing mechanism has a second pathway and one or more first pathways located inside of the second pathway. In other embodiments, the gas directing mechanism has the first and second pathways and a third pathway inside of the second pathway.

Abstract: An internal combustion engine inlet manifold including an inlet duct with an axis of symmetry, the inlet duct being open at one end and closed at the other end and opening on its lateral surface onto a plurality of outlet ducts, the open end allowing an inlet flow to pass, each outlet duct being associated with one cylinder of the engine. Each outlet duct is connected by a blend radius to the inlet duct in the opposite way to the direction of travel of the inlet flow. The blend radius of each duct increases as a function of the path length of the inlet flow from the open end to the axis of symmetry of the respective duct so as to distribute the inlet flow to each duct with uniform permeability.

Abstract: An intake manifold has a collective part defining an intake gas distribution chamber, and a branch intake part having a plurality of branch intake passages. The collective part includes a first section and a second section joined together to form the intake gas distribution chamber. First and a second corner parts are formed integrally with the first section and the second section, respectively. The second section is provided with a guide wall extending in both the first and second sections to cover the respective inside surfaces of the first and second corner parts. The guide wall has a guide surface for guiding the intake gas.

Abstract: An intake manifold to be mounted to a traverse engine includes pieces made of resin and welded to each other. The pieces are constructed with a first piece having a connector to be connected to the engine, and a second piece. The second piece has an upper positioning part overlapping with the first piece except for the connector having a linear-shaped outlet passage. The upper positioning part is welded to the first piece so as to define an upstream side passage of the outlet passage. The first piece has a cover, which covers the upper positioning part defining a downstream end of the upstream side passage.

Abstract: An air distributor including a cylindrical tubular body including connecting channels for supplying cylinders of an internal combustion engine, branches of which open in an aligned manner along a generatrix of the tubular body. The tubular body extends upstream into the branches of a 180° elbow that opens at an air inlet, the elbow inclined in relation to the diametral plane of the tubular body containing generatrix. A recess is provided in the tubular body opposite the branches of the first and second distributed cylinders. The recess has a converging/diverging profile around the lowest area between the branches, and the recess can use Venturi effect to reduce drop in swirl in the second distributed cylinder induced by architecture of the inclined elbow distributor, by regulating airflows in the channels. The distributor can mount to an intake face of a diesel engine cylinder head with two intake ducts per cylinder.

Abstract: An air distributor including a cylindrical tubular body including connecting channels supplying cylinders of an internal combustion engine, branches of which open in an aligned manner along a generatrix of the tubular body. The tubular body extends upstream into branches of a 180° elbow that opens at an air inlet, the elbow being inclined in relation to the diametral plane of the tubular body containing generatrix. The distributor includes a ramp partially throttling an air flow area of the main body to reduce a drop in swirl in the first distributed cylinder induced by the inclined elbow distributor, the ramp provided upstream close to the connecting channels branches of the first distributed cylinder on the elbow inclination side. The ramp can have gently- and steeply-inclined upstream and downstream faces. The distributor can mount to an intake face of a diesel engine cylinder head with two intake ducts per cylinder.

Abstract: A multi-cylinder engine wherein a direction in which a crank shaft spans is a front and rear direction and a widthwise direction of a cylinder head (1) perpendicular to the front and rear direction is a lateral direction, the multi-cylinder engine comprising the cylinder head (1) which has one lateral side to which an intake-air distributing passage wall (2) and has the other lateral side to which an exhaust-gas converging passage wall (3), a common rail (10) being arranged around the cylinder head (1). In this multi-cylinder engine, the common rail (10) is arranged immediately lateral of the intake-air distributing passage wall (2), thereby positioning the intake-air distributing passage wall (2) between the cylinder head (1) and the common rail (10). Preferably, an intake-air inlet pipe (11) is made to stand up at an upper portion of the intake-air distributing passage wall (2) and is provided with an intake-air flange portion (12), which is positioned just above the common rail (10).

Abstract: The present invention has an object to provide a vertical multi-cylinder diesel engine capable of conveniently protecting a common rail and its parts. On the assumption that a width direction of a cylinder block (2) is taken as a horizontal direction, when arranging the common rail (3) horizontally lateral of the cylinder block (2), there is disposed above the common rail (3) a passage forming means (23) which is the alternative of an intake air distributing means (5) and an exhaust air converging means (22). The passage forming means (23) above the common rail (3) may be formed into a box-shaped structure with no branch pipe. Further, an engine cooling fan (4) may be arranged in front of the common rail (3) so as to pass cooling air below the passage forming means (23) above the common rail (3).

Abstract: An intake manifold assembly includes a housing, a shaft assembly, and an intake insert. The shaft assembly has a metal shaft with bearings located at each end to provide hard mounting surfaces for the shaft assembly when assembled in the housing. The bearings support the shaft within the housing and allow the shaft to freely rotate. Bushings are spaced along the shaft to absorb vibrations and assist is providing a low friction surface for shaft assembly rotation. Journal pockets in the housing and in the intake insert surround the bushings. Isolators located within the journal pockets and housing surround the bushings and assist in dampening vibrations.

Abstract: An arrangement for attaching a blade to a shaft for use in intake manifolds, uses fasteners that create a load on the blade. Fasteners are inserted through fastener holes in the blade and through shaft holes in the shaft. Once inserted outward pressure by the fastener on the shaft and the blade places the assembly under a constant load. The load prevents the shaft and the blade from vibrating against each other during engine operation. The same attachment method can also be used to retain and bias a shaft locater to the shaft.

Abstract: An intake manifold assembly includes a housing, a shaft assembly, an intake insert, and a flange seal. Bushings are located at each end of the shaft and spaced along the shaft to absorb vibrations and provide a low friction surface for shaft assembly rotation. In addition, the bushings allow for differences in the thermal expansion of the shaft and the intake manifold housing. A bearing is located adjacent a shaft locator to provide a hard mounting surface for the shaft assembly when assembled with the housing.

Abstract: An engine air intake manifold has two main body sections that are divided along an airflow direction and mated tightly against each other at oppositely facing mating parts so as to form an air intake passage therein. A gas passage is formed along the mating parts. The gas passage opens into a downstream portion of the air intake passage and supplies a secondary additive gas thereto. Preferably, the engine air intake manifold has air intake branch pipes with valve mounting blocks for mounting air intake control valves to a downstream portion of the air intake branch pipes.

Abstract: An air intake duct for a vehicle having a cuttable groove at an external wall of an air exhaust port can be applied to any vehicle regardless of whether an air filter is adopted, thus providing cost-effectiveness, preventing air leakage when the air filter is not used, and increasing the air-conditioner/heater function of the vehicle.

Abstract: An intake arrangement for an internal combustion engine, including an intake manifold including an intake collector and a plurality of branch pipes connected with the intake collector. The branch pipes extend in substantially same direction. The intake collector includes an inlet opening through which an intake air flow is introduced into the intake collector, and branch openings to which branch pipes are connected. The branch openings are arranged along a longitudinal direction of the intake collector such that as a distance thereof from the inlet opening decreases, an amount of offset thereof from a reference streamline of the intake air flow extending through substantially a center of the inlet opening along the longitudinal direction of the intake collector increases.

Abstract: An intake system for an internal combustion engine includes an intake manifold adapted to be attached to a side wall of the engine, and an air cleaner for supplying intake air to the intake manifold. The air cleaner is disposed opposite to the side wall of the engine while interposing therebetween the intake manifold. The air cleaner has an air cleaner main body joined with the intake manifold to constitute a single unit. The air cleaner main body is made of a material lower in the strength than a material which the intake manifold is made of.

Abstract: A system for improving motor vehicle performance includes an air intake heat exchanger placed in-line with the air intake of the motor vehicle. The air intake heat exchanger is coupled to a source of pressurized media for selective application of the pressurized media to the air intake heat exchanger for cooling and drying intake air prior to reaching the intake manifold and ultimately the combustion chamber. The system further includes a flow inducing member positioned within the exhaust pipe of a motor vehicle. The flow inducing member is coupled to the source of pressurized media for selective application of the pressurized media in a manner which creates an increased flow within the exhaust system thereby increasing the flow through the air intake and intake manifold. A system for exhausting CO2 to an adjacent vehicle is also disclosed.

Abstract: A compact intake manifold for an in-line six cylinder engine, having six independent runners of equal length emanating from a centrally disposed plenum and traveling in a substantially single plane. Runners serving the two most rearward and the two most forward engine intake ports begin travel in a path along the longitudinal axis of the engine and make only one turn of substantially 90 degrees toward the engine. Runners serving the two central intake ports also begin travel in a path along the longitudinal axis of the engine but take a somewhat serpentine path of one turn of substantially 180 degrees and one turn of substantially 90 degrees.

Abstract: An arrangement for internal combustion engines of the piston engine type having at least one row of cylinders is disclosed. The arrangement includes at least one fuel injector for each cylinder and at least one intake manifold for admission of air to the cylinders. The inlets of the fuel injectors are connected to a fuel channel arranged in the intake manifold.

Abstract: An arrangement of components for an engine includes an improved construction. An exhaust system of the engine has an exhaust manifold extending along an cylinder body. At least a part of an air induction system of the engine exists to overlap with the exhaust manifold in a view along an extending axis of the exhaust manifold. A cooling system having at least two coolant passages is further provided. A coolant flow control mechanism is arranged to prevent only the coolant within one of the passages from flowing therethrough when temperature of the coolant is lower than a predetermined temperature.

Abstract: An intake manifold including a collector defining an intake bore through which an air flow passes, and a noise reducer connected with the collector. The noise reducer includes a base wall mounted to the collector and formed with an aperture substantially aligned with the intake bore, and a cover wall extending over at least a portion of a circumferential inner surface of the wall to reduce noise generated within the intake bore.

Abstract: The present invention relates to an arrangement for internal combustion engines of the piston engine type having at least one row of cylinders, comprising at least one fuel injector for each cylinder and at least one intake manifold for admission of air to the cylinders. The inlets of the fuel injectors are connected to a fuel channel arranged in the intake manifold.

Abstract: A air induction system actuates two variable mechanisms by the resonant supercharging and a volume variable mechanism of the air induction system by a common drive means in order to reduce the manufacturing cost and to improve the output performance in the broader range of the engine speed. The air induction system includes a plurality of independent air intake passages for supplying the induction air to each engine cylinder which are sorted into two air intake passage groups, an air expanding chamber being in communication with the air intake passage groups, a first switching valve for controlling the communication between the air expanding chamber, two branch passages for supplying the induction air into the air expanding chambers, a volumetric chamber, and a second switching valve for controlling the communication between the volumetric chamber and the branch passages, an actuator for driving the first and second switching valves.

Abstract: An air inlet device for an engine powering a water propulsion device of a watercraft, the watercraft having a hull defining an engine compartment in which the engine is positioned, is disclosed. The engine has a body defining at least one combustion chamber and an output shaft arranged to drive the water propulsion device. Air is supplied to the combustion chamber of the engine through the air inlet device. This device includes an intake pipe extending outwardly from the engine and an air box connected to the intake pipe. The air box has a cover having a top and a bottom and defining an interior air chamber, an air inlet provided near the top of the air box and a drain provided through the bottom of the air box. The intake pipe has a passage therethrough leading from the interior air chamber of the air box to said engine. The air box has a width at the top which is greater than a width at the bottom.