Abstract: An integrated mass air flow sensor/broadband silencer assembly comprises a molded body having a plurality of walls formed therein. The molded body is over-wrapped with a layer of acoustic foam that, together with the plurality of walls, define a plurality of chambers within an interior volume of the assembly. A mass air flow sensor can be inserted into one of the chambers. The chambers are sized and spaced to provide a uniform velocity, low turbulence air flow to the sensor, and a minimally-restricted air flow to an internal combustion engine located downstream of the assembly.

Abstract: An engine air intake tract includes a flexible air intake duct having a flexible tubular body. A plurality of radially extending convolutes are formed in and spaced apart on an axially extending outer wall of the tubular body. Each convolute has a circumferential ring-shaped inwardly extending peak bordered by outwardly extending troughs. A liquid sump is formed into a lower portion of the tubular body and includes a plurality of spaced sump chambers with each chamber formed between and connected to at least two adjacent ones of the convolutes and extending radially outwardly from the convolutes.

Abstract: An intake manifold section for installing in an intake system of an internal combustion engine may have a tube body including an inlet opening, an outlet opening and a fresh air path section running from the inlet opening to the outlet opening. An air mass sensor may be fastened to the tube body and protrude into the fresh air path section. A bypass channel may be disposed on the tube body and bypass the fresh air path section connected to a blow-by gas path at an inlet side.

Abstract: An adsorption unit for combustion gas of an internal combustion engine has an adsorption housing having a chamber section with an inner wall. An adsorption element disposed in the adsorption housing is made of a gas-permeable adsorption medium that is formed to a hollow body and encloses an interior of the adsorption element. The hollow body has opposed open ends. A main flow passage extends through the hollow body and the combustion gas flows in main flow direction through the hollow body. The adsorption element has an exterior circumferential side facing away from the interior and delimiting together with the inner wall of the chamber section a bypass chamber surrounding the absorption element outwardly. In the main flow direction, the bypass chamber has a downstream end that is closed off and an upstream end that has at least one bypass opening that communicates with the main flow passage.

Abstract: A coupling device may include a first cylindrical connecting body and a second cylindrical connecting body having a retaining ring rotatably mounted thereon and moveable between a locking position and an unlocking position. A detent device may have at least one detent formed on the retaining ring and at least one counter detent formed on the second cylindrical connecting body with which the detent interlocks upon reaching the locking position. The detent may have a detent arm arranged on the retaining ring and configured to be spring-elastic in the radial direction. The counter detent may have a detent opening which is formed in a collar enclosing the retaining ring and in which the detent arm radially engages upon reaching the locking position so as to be supported on an edge of the detent opening in order to be rotatably secured in the circumferential direction.

Abstract: An automobile air intake system is provided that channels air from outside the automobile engine compartment to the engine. The automobile air intake system according to an embodiment of the invention includes an intake enclosure coupled to a bulkhead across the front of the engine compartment. The automobile grille, radiator, and a front portion of the hood in front of the bulkhead form a flow channel to an intake port of the intake enclosure. Aspects of the invention include a screen extending from the bulkhead to the grille for inhibiting the flow of water and particles through the flow channel. Other aspects provide an alternative air path for channeling air from the engine compartment to the intake enclosure.

Abstract: A functional module integrates a distributor with a plenum and several pipes that form a common attachment and connection plate, a fuel rail, and a holding part for ensuring the locking in position of the fuel rail. The functional module (1) is characterized in that it consists of an interlocked and nested arrangement that includes the distributor (2), the fuel rail (7), and the holding part (9), with the fuel rail (7) being held between the holding part (9) and the distributor (2), and in that the holding part (9) and the distributor form by cooperation a longitudinal receiving housing with the possibility of locking the fuel rail (7) whose introduction opening is defined between an arrangement of feet (10) of the holding part (9) and the plate (5) of the pipes (4).

Abstract: A hand-held work apparatus includes an engine housing (200). An internal combustion engine (202) is arranged in the engine housing (200) and includes a cylinder (204) and a crankshaft. A fan wheel (214) is driven directly or indirectly by the crank shaft, such that the fan wheel (214) rotates about an axis A. A fan housing (216) surrounds and cooperates with the fan wheel (214). A combustion air inlet (224) is located radially outside of the fan wheel (214) for leading air to the internal combustion engine (202). Further, the combustion air inlet (224) includes a combustion air inlet port (226) and a combustion air duct (22$). The combustion air inlet port (226) is provided with a first edge (230), which first edge (230) is located radially adjacent to the periphery (220) of the fan wheel (214).

Abstract: An intake manifold arrangement of an internal combustion engine has an intake manifold and a cooling fluid charge air cooler arranged in the intake manifold. The cooling fluid charge air cooler has cooling fluid tanks at first and second opposite ends. At least one of the cooling fluid tanks at the first end forms at least a part of the intake manifold and is an integral component of the cooling fluid charge air cooler.

Abstract: An intake device of an internal combustion engine has primary and secondary intake lines for aspirating primary and secondary combustion air, respectively. The primary intake line opens into a primary inlet chamber and the secondary intake line opens into a secondary inlet chamber of a filter housing. In comparison to the primary intake line, the secondary intake line has a configuration such that, in normal engine operation, a flow capacity of the secondary intake line, in comparison to a flow capacity of the primary intake line, is so minimal that secondary combustion air aspirated through the secondary intake line has a negligible effect on the performance of the internal combustion engine. When the primary intake line is closed, the flow capacity of the secondary intake line suffices to supply the internal combustion engine with a minimum combustion air mass flow required for operating the internal combustion engine.

Abstract: An intake manifold module for preventing fuel leakage of a vehicle, may include a runner unit where a runner may be formed, a mount section connected with the runner unit and mounted at an intake port of a cylinder head, and a reinforcing bracket mounted at an edge around an injector installed on the cylinder head in the mount section, wherein the reinforcing bracket may be pre-mounted in a process line prior to an engine assembly line by using a joining member.

Abstract: A system for improving distribution of gases within an intake manifold of an engine is presented. The system may be used to improve engine air-fuel control. In one example, turbulence of gases entering an intake manifold is increased.

Abstract: A housing has an intake passage extending substantially in a vertical direction of a vehicle. A valve is configured to open and close the intake passage. A shaft supports the valve. A bearing supports the shaft. A hose is connected with an upper side of the housing in the vertical direction and configured to lead intake air into the intake passage. A communication passage configured to communicate an inside of an internal combustion engine of the vehicle with the hose. The communication passage has an opening in the vicinity of a point directly above the bearing. The hose has a wall surface defining a condensate passage, which connects the opening with a target location from which condensate is to be dropped.

Abstract: An air duct assembly supplies air from an air cleaner housing to an engine throttle and includes a first duct connected to the air cleaner housing and a second duct connected to the engine air intake. Open ends of the first and second ducts are spaced from one another and the second duct has a flared bell mouth at its open end. The second duct includes a sleeve that defines an attenuation chamber. A flexible bellows overlies the first and second ducts and the sleeve, and extends across the space between the first and second ducts to provide an airtight connection therebetween and flex during relative motion between the air cleaner housing and the engine air intake. A hydrocarbon adsorbing material can be housed within the attenuation chamber.

Abstract: An internal combustion engine may include a piston engine having at least one combustion chamber and a fresh air system for feeding fresh air to the at least one combustion chamber including at least one fresh air line. A bloom mixer may be arranged in the fresh air line and configured to divide a fresh air flow conducted in the fresh air line into at least two partial flows and reunite these again on the outflow side subject to the formation of a turbulence.

Abstract: A connection between an expansion chamber outlet and a rubber cuff that accommodates an inlet portion of a throttle body exhibits an overmolded, hot plate or spin weld type of connection between an expansion chamber wall outlet portion and the rubber cuff. The rubber cuff may have a bellow in it to absorb shock and force from the throttle body. The rubber cuff may be insert molded around the expansion chamber outlet such that the joined interface between the rubber cuff and the expansion chamber is from the molding. The molded interface prevents separation due to air forces through the chamber and cuff. A cuff recession on a cuff inside diameter receives a protuberance of the throttle body inlet portion. A band clamp fits around the outside diameter of the cuff, adjacent the throttle body inlet protuberance, to prevent movement relative to the throttle body.

Abstract: A device for supplying an internal combustion engine (1), comprising a carburettor (72) and an air filter (71) installed on an air intake line (70), through which the air filtered by the filter (71) is conveyed into the carburettor (72), and an anti-backflow element (8) located in series on the air intake line (70) between the carburettor (72) and the air filter (71), in which the anti-backflow element (8) exhibits an external casing (80) comprising a perimetral band (81) including at least a portion substantially circular in development closed by two side walls (82, 83), such as to internally define at least a compartment (84) in communication with the carburettor (72) through a duct (85) opening in the perimetral band (81) and developing tangentially relative to the circularly developing portion, the compartment (84) also in communication with the air filter (71) through a first duct (86) opening in one of the side walls (82, 83).

Abstract: An intake flow device and system for coupling a turbocharger's compressor intake to an aft intake is disclosed. The flow device may be cylindrically shaped, flexible, and configured to fit on an intake flange of the compressor. An intake conduit may be fitted around the flow device, such that the intake conduit may retain a large diameter for increased air flow, rather than necking down to mate with the intake flange. The flow device may incorporate compression ribs around its outer circumference for positively mating with the air intake conduit and may incorporate a recess within its interior for securely mating to a lip on the intake flange. The flow device may also be graduated to direct air from the intake conduit to a smaller diameter compressor intake. Guide vanes may also be provided within the flow device to control and direct air to the inlet of the turbocharger.

Abstract: An intake system for an internal combustion engine includes a cylinder head and an intake manifold attached to the cylinder head. A labyrinth seal is interposed between the intake manifold and the cylinder head, with the labyrinth seal including a projection formed in one of the intake manifold and cylinder head, and a mating receptacle formed in the other of the intake manifold and a cylinder head.

Abstract: A crankcase ventilation system is provided. The crankcase ventilation system is fluidly coupled between an engine block assembly and an axially extending air inlet adapter. A crankcase vent nozzle is provided as one aspect of the system and extends into the air inlet adapter. The crankcase vent nozzle has a leading edge portion and a trailing edge portion extending radially into an axially extending flow path in the air inlet adapter. The trailing edge portion extending further into the flow path than the leading edge portion.

Abstract: An intake system for a V-type multiple cylinder internal combustion engine includes a plurality of parallel first intake pipes 15L connected to the plurality of cylinders of a first cylinder row, a plurality of parallel second intake pipes 15R connected to the plurality of cylinders of a second cylinder row. The first intake pipes 15L and the second intake pipes 15R extend into an air distribution case 10 so as to extend across each other. A first inlet pipe 13R is provided at a part of a first side wall 11R of the air distribution case 10 corresponding to a substantially middle point of the row of the first intake pipes 15L, and a second inlet pipe 13L is provided at a part of a second side wall 11L of the air distribution case 10 corresponding to a substantially middle point of the row of the second intake pipes 15R. Air flows through the first inlet pipe 13R into the first intake pipes 15L and air flows through the second inlet pipe 13L into the second intake pipes 15R.

Abstract: An air intake device for a vehicle is provided. The air intake device includes a housing that defines a plenum and is configured for mounting on a vehicle. The air intake device also includes an air scoop that is movably coupled to the housing. The air scoop is movable between a stowed position and a deployed position. The air intake device also includes a valve assembly coupled to the air scoop. The air scoop defines at least one ram air inlet port having a flow area. The at least one ram air inlet port is positioned to receive ram air and is in fluid communication with the plenum when the air scoop is in the deployed position. The valve assembly is operable for varying the flow area of the at least one ram air inlet port.

Abstract: A system for improving distribution of gases within an intake manifold of an engine is presented. The system may be used to improve engine air-fuel control. In one example, turbulence of gases entering an intake manifold is increased.

Abstract: The invention provides a manifold block for improving the efficiency of an internal combustion engine. The manifold block is arranged to be located between an inlet manifold and a cylinder head of the engine, and comprises a block of material having at least one manifold channel there through. The manifold channel has an input end and an output end, wherein the input end is connected to the inlet manifold, and the output end is connected to the cylinder. The manifold channel includes at least one injector head channel located towards its input end and adapted to receive a fuel injector. The manifold block may also incorporate one or induction regulators for improving the efficiency of fuel/air mixing in the manifold channels.

Abstract: A resin molded body constituting a resin intake apparatus includes a surge tank and a plurality of branch passages each branching off from the surge tank. A communication passage is formed in a wall forming the surge tank to communicate a bottom of the surge tank with one of the branch passages. The resin molded body is formed by two split molded parts integrally welded to each other at welded portions so that the communication passage is formed between the welded portions.

Abstract: Disclosed herein is an intake manifold assembly that comprises a first outer covering, a second outer covering connected to the first outer covering that together define a chamber having an intake port, and a flow channel insert. The second outer covering has an outlet port positioned within its interior surface and the flow channel insert is nestingly connected to the outlet port with the rest of the flow channel insert received within the chamber. The flow channel insert being a single piece that defines a channel having a first end and a second end.

Abstract: An intake manifold for an engine includes a plurality of intake distribution pipes arranged in a side-by-side relation to one another; an intake inlet pipe provided in an end wall and arranged in a direction of the intake distribution pipes; a surge chamber provided inside the intake manifold, and providing communication between the intake inlet pipe and the intake distribution pipes; and an intake guide wall provided integrally with the intake manifold. The intake guide wall extending in the direction in which the intake distribution pipes are arranged. One surface of the intake guide wall is smooth-and-flat and the other side surface of the intake guide wall includes a plurality of thinned concave parts separated by a plurality of ribs provided between the concave parts.

Abstract: A friction-weld interface device for improving a structural strength of an assembly includes a first component having a concave tapered surface. The friction-weld interface also includes a second component having a convex tapered surface that is complementary to and is configured to receive the concave tapered surface of the first component. The assembly is formed by friction welding the concave tapered surface to the convex tapered surface. The friction-weld interface device may be used to assemble an air-intake manifold for an internal combustion engine, wherein the air-intake manifold is at least partially joined by the process of friction welding.

Abstract: An intake system of combustion air is provided for a vehicle. The intake system has an intake opening, an intake duct, and an air filter. The intake opening is situated on one side of a water separation container, which is fixed on a girder of the vehicle. The intake opening is situated in a front most front face of the vehicle in the travel direction for this purpose.

Abstract: In an engine intake system, an air cleaner and downstream sides of throttle valves in throttle bodies provided in intake passages are connected by bypass passages. An idle speed control apparatus provided at a midpoint of the passage controls amounts of air supplied during an idling operation. End portions of the bypass passages connected to the throttle bodies are located in higher positions than end portions of the bypass passages connected to the air cleaner so that the bypass passages are inclined downward toward the air cleaner. As a result, water is prevented from blocking the bypass passages via a simple structure.

Abstract: An intake ducting device for a car engine comprising at least a round sheet main body having on its outer edge a circular ring, the circular ring can be fixed in the inner surface of an intake tube and is provided inside of it with a plurality of airflow disturbing holes, the airflow disturbing holes are arrayed at least in two layers from the inner side to the center of the circular ring and are in the form of grids, each airflow disturbing hole has at least an airflow deflector having an tilting angle relative to the axis of the intake tube, when airflow from the car intake tube passes the main body, by the function of the airflow disturbing holes and the airflow deflectors respectively in the airflow disturbing holes, the airflow can be separated against concentration, thereby the intake tube can take in air uniformly.

Abstract: An air intake system for internal combustion engine includes an intake manifold having an inlet flange and a throttle body attached to inlet flange. The throttle body includes a matching throttle body flange which physically mates with the intake flange. A friction promoting surface having a positive coefficient of sliding friction is incorporated in at least one of the inlet flange and the throttle body flange so that sliding motion of the throttle body relative to the intake manifold will be resisted.

Abstract: An intake manifold for a multicylinder internal combustion engine includes a number of inlet runners operatively connected with a mounting flange. A sealing region circumscribes only an outer periphery of the mounting flange and does not extend between adjacent ones of the intake runners. The sealing region includes a continuous groove formed in the mounting flange and a sealing composition applied to the groove.

Abstract: A manifold assembly is provided having an engine manifold, a mounting collar, and a resilient annulet. The mounting collar is disposed on the engine manifold and the resilient annulet is coupled to the mounting collar. The engine manifold has an inlet, an outlet, a resilient sleeve, and a primary protuberance. The resilient sleeve is coupled to the outer surface of the engine manifold and the primary protuberance is formed on the outer surface of the engine manifold. The mounting collar has a secondary protuberance and a manifold aperture formed therein. The resilient annulet is coupled to the manifold aperture. The resilient annulet is sealingly engaged with the resilient sleeve and the primary protuberance abuts the secondary protuberance. The manifold assembly for an engine minimizes a required number of components, minimizes a time of assembly of the manifold assembly, and militates against a rotation of the engine manifold.

Abstract: An engine assembly may include an engine block, a cylinder head coupled to the engine block, and first and second intake valves supported by the cylinder head. The engine block may define a first set of cylinder bores arranged longitudinally in series and including a first cylinder bore and a second cylinder bore adjacent the first cylinder bore. The cylinder head may define a cavity forming an intake manifold region, a first intake runner extending laterally inward from the intake manifold region toward the first cylinder bore and a second intake runner extending laterally inward from the intake manifold region toward the second cylinder bore. The first intake valve may selectively provide communication between the first intake runner and the first cylinder bore. The second intake valve may selectively provide communication between the second intake runner and the second cylinder bore.

Abstract: A manifold assembly is provided having an engine manifold, a mounting collar, and a resilient seal. The mounting collar is disposed on the engine manifold and the resilient seal is disposed between the engine manifold and the mounting collar. The engine manifold has an inlet, an outlet, and a primary protuberance formed on an outer surface of the engine manifold. The mounting collar has a secondary protuberance and is disposed on the engine manifold. The resilient seal is disposed between the engine manifold and the mounting collar. The primary protuberance abuts the secondary protuberance. The manifold assembly for an engine minimizes a required number of components, minimizes a time of assembly of the manifold assembly, and militates against a rotation of the engine manifold.

Abstract: An intake manifold flange system prevents leakage between joining portions of an intake manifold and a cylinder head while permitting stress relief. A flange body has an opening for receiving a distal end of the intake manifold and fastener hole openings for fixing the flange body to the cylinder head. Spaced annular grooves are arranged in an axial direction of the intake manifold. O-rings of a dimension to extend from the annular grooves and provide a pressurized contact with the distal end of an intake manifold. An annular groove is formed at a surface opposite a mounting portion of the cylinder head and an O-ring seal enables offsetting of the flange body from the cylinder head surface.

Abstract: A hydraulically operated charge air system for an internal combustion engine includes an intake manifold having a number of intake runners, and a number of rotatable airflow control devices mounted within at least a portion of the intake runners. A hydraulic motor rotatably positions the airflow control devices.

Abstract: An intake manifold for an internal combustion engine having a housing having a uniformly thick, outwardly facing arch shaped elongated arm for mounting to a cylinder head of the internal combustion engine with an outer surface of the arm having an outwardly facing projection disposed along a portion of a length of the elongated arm. The projection is integrally formed with the arm. The projection is at, or proximate to, the apex of the arch of the arch shaped arm.

Abstract: A coupling device for connecting a first fluid line to a second fluid line may include a first connecting piece having a first outer latching contour on its outside and may be connected to at least one of the first fluid line and the first outer latching contour. The coupling device may also include a second connecting piece having a second outer latching contour on its outside and being connected to at least one of the second fluid line and the second outer latching contour. A sleeve may also be provided in which both connecting pieces may be inserted on opposite ends thereof. The sleeve may have inner latching contours on its inner side, the inner latching contours being complementary to the outer latching contours and latching with the outer latching contours when the connecting pieces are inserted. The sleeve may be enclosed by a protective cover.

Abstract: An intake manifold for an internal combustion engine comprising an engine head in which there are obtained a number of cylinders; the intake manifold comprises a central body, wherein there are obtained an intake chamber which receives the intake air and a number of conduits each of which connects the chamber to a corresponding cylinder of the internal combustion engine; first passage through holes obtained in the central body for fastening the intake manifold to the engine head by means of first fastening screws screwed into the engine head; a common rail which receives the pressurized fuel and is connected to a number of injectors, each of which injects the fuel into a corresponding cylinder; second blank threaded fastening holes obtained in the central body for fastening the common rail to the central body itself by means of the second fastening screws screwed into the central body and, for each second fastening hole, a metallic reinforcement bracket, which presents a first assembly through hole arranged o

Abstract: A cool air intake and related methods are disclosed for providing cool air to a combustion chamber input of an engine. The cool air intake includes a thermally insulated length of tubing for minimizing heat dissipation from intake components to the intake airstream. The thermally insulated length of tubing minimizes input air heating due to engine compartment heat transfer by intake components. Cool air provided by the disclosed intake systems provide increased fuel efficiency and increased engine performance.

Abstract: A communication passage for generating braking negative pressure is connected to an air passage for respective cylinders at a downstream side of a throttle valve. An air ejector is provided in a negative pressure pipe, to which communication passages for the respective cylinders are converged. A negative pressure passage for a brake booster is connected to the air ejector at a side of suction gas via a check valve. A passage for PCV gas and an intake air branched passage for bifurcating a part of the intake air from a surge tank at an upstream side of the throttle valve are connected to a driving gas side of the air ejector, wherein a negative pressure control valve is provided in the intake air branched passage. The PCV gas and the part of the intake air are forced to flow into the driving gas side of the air ejector, so that the air ejector functions as a vacuum pump. As a result, the braking negative pressure for the brake booster can be surely reduced to a target negative pressure.

Abstract: A resin intake manifold is provided with two separated bodies manufactured by connecting protrusions of weld portions of the separated bodies to each other in accordance with a vibration welding, and a cover wall in which one of the weld portions is arranged in an inner side or an outer side of the protrusion with leaving space with the protrusion.

Abstract: In a first operating mode, as a function of the determined torque request value at least one first final control element is actuated influencing an air path of an engine. Representative of an actual basic torque value, a specific engine characteristic value is determined as a function of which, a filter parameter value is determined such that a torque setpoint value is brought closer to the actual basic torque value. The filter parameter value is saved assigned to the specific characteristic value. In a second operating mode, the filter parameter value is determined as a function of the specific characteristic value and the setpoint torque value is predefined by filtering the driver-requested torque value as a function of the determined parameter value. As a function of the predefined setpoint torque value, at least one second final control element is actuated which influences the drive system torque outside the air path.

Abstract: An intake system is provided. The intake system including an intake manifold coupled to an engine and a vacuum port located in said intake manifold and in an air flow path downstream of a throttle body and upstream of said plurality of intake runners, the vacuum port including a molded flow disruptor including a cross-beam traversing an outlet of the vacuum port. The intake system may further include a vacuum passage coupling the vacuum port to a vehicle subsystem.

Abstract: An air duct 13 connected to the intake system of an engine 12 has a duct main body 13A and a cylindrical fuel adsorption filter 19 having air permeability. The fuel adsorption filter 19 is located in the duct main body 13A. The fuel adsorption filter 19 is arranged to be coaxial with respect to the duct main body 13A. A gap 21 is defined between the inner circumferential surface of the duct main body 13A and the outer circumferential surface of the fuel adsorption filter 19. An opening 22 for drawing air flow into the gap 21 is formed between an air flow upstream side of the gap 21 and an air passage area of the duct main body 13A.

Abstract: Apparatus includes a motor-vehicle, internal-combustion-engine air intake manifold having an intake-manifold first shell attachable or monolithically joined to an intake-manifold second shell to surround an internal manifold volume. The first shell has a wall with at least a portion having undulating concave and convex regions as defined exterior to the internal manifold volume of the attached or monolithically-joined first shell and second shell.

Abstract: A flow guide element is provided for guiding a flow of a fluid medium which is particularly suitable for use in an intake tract of an internal combustion engine. The flow guide element includes a flow tube having an elbow for diverting the flow. In the region of the elbow there is situated, in this case, at least one flow baffle having at least one deflector. The deflector is penetrated by an opening, going right through the flow baffle, in at least one area.

Abstract: An intake system of an engine for a vehicle, may include a surge tank including a first flange, and an intake manifold including a second flange connected with the first flange of the surge tank, wherein the intake manifold may include a main body including a fuel rail and intake ports corresponding to cylinders, and a guide member provided on the main body to guide the surge tank coupled with the main body in a direction where the surge tank becomes separated and more distant from the fuel rail of the intake manifold when a vehicle collision occurs.