Abstract: A pre-combustion chamber system is presented. The pre-combustion chamber system includes a pre-combustion chamber housing defining a pre-combustion chamber, a cooling chamber housing surrounding the pre-combustion chamber housing, a cooling chamber defined between the pre-combustion chamber housing and the cooling chamber housing. The pre-combustion chamber system includes a flow agitator arranged in the pre-combustion chamber housing protruding into the pre-combustion chamber. The flow agitator increases flow disturbance in the pre-combustion chamber for improving mixture of fuel and air. Cooling of the pre-combustion chamber system is improved by dividing the cooling chamber into a cooling inner chamber and a cooling outlet chamber or by arranging cooling fins in the pre-combustion chamber housing extending into the cooling chamber.

Abstract: A prechamber sparkplug assembly includes a sparkplug, and a sparkplug housing having a prechamber tip. The sparkplug housing includes a plug bore centered on a longitudinal axis of the sparkplug housing and receiving the sparkplug, an inside radial wall extending around the plug bore, and an outside radial wall. A cooling cavity is formed between the inside radial wall and the outside radial wall. Coolant ports extend through the outside radial wall and fluidly connect to the cooling cavity to place the cooling cavity in fluid communication with a water jacket in a cylinder head.

Abstract: An assembling apparatus assembles a retainer by engaging a pair of cotter pieces with a valve stem. The apparatus includes an assembling head configured to hold, in a separated state, the pair of cotter pieces in the separated state prepared by a preparation unit and engage the pair of cotter pieces with the upper end of the valve stem. The head includes a storage member including a storage chamber, and a holding unit capable of pressing the pair of cotter pieces stored in the storage chamber against the upper end of the valve stem. The storage member includes first and second abutting portions. The second abutting portion positions the valve stem in the axial direction, and the first abutting portion positions the pair of cotter pieces in the axial direction.

Abstract: A method of forming a universal bellhousing which may be adapted to a variety of automotive engine and transmission combinations is disclosed. The bellhousing is made by spin forming a sheet of material and welding a transmission plate to the cone. The cone and transmission plate are indexed to mount to a specific, desired engine-transmission combination.

Abstract: An acoustic treatment panel including a porous acoustically resistive structure which includes at least one external layer which is in contact with the external environment and which has through holes, internal strips including several openings which communicate with the inside of the cells of the panel and connecting canals, interposed between the external layer and the internal strips, which ensure that the floor-section openings communicate with at least one through hole of the external layer.

Abstract: An acoustic treatment panel in which each cell includes a plurality of conduits which extend from the porous acoustically resistive structure to the reflective layer of the acoustic treatment panel, each conduit including at least one opening set away from the porous acoustically resistive structure and configured to cause the inside and the outside of the conduit to communicate.

Abstract: A conformal heat shield for a gas turbine engine may comprise a first section including a first arcuate segment and a second arcuate segment circumferentially adjacent to the first arcuate segment. The first arcuate segment and the second arcuate segment may each comprise a distal metal layer including a plurality of loops extending radially outward from the distal metal layer. A proximal metal layer may be located radially inward of the distal metal layer. An insulating material may be located between the distal metal layer and the proximal metal layer. A first strap may be located through the loops.

Abstract: A mid-turbine frame for a gas turbine engine according to an example of the present disclosure includes, among other things, a first frame case, a flange coupled to the first frame case, and a heat shield adjacent to the flange. A method of cooling a portion of a gas turbine engine is also disclosed.

Abstract: A rear plate is provided which encloses an axial end opening of a housing body. A lock pin is configured to travel forward and backward in a slide hole formed in a first vane of a vane member, and an annular lock-hole-forming part is press-fitted to a retaining hole in an inner end surface of the rear plate, forming a lock hole in the rear plate. A projection having a flat distal end surface is formed at one circumferential end side of an inner peripheral surface of the lock-hole-forming part. Recesses that are continuous with the inner peripheral surface of the lock hole are formed on corresponding sides of the projection in the circumferential direction of the lock hole. This allows smooth engagement of the locking pin in the lock hole, and permits smooth supply and drainage of hydraulic pressure to and from the lock hole.

Abstract: A compressor assembly, and more in general relates to a compressor for a gas turbine providing a solution that teaches to locate within a cavity formed by the outer casing of the compressor and the inner vane carrier a separator element, or membrane, such to divide the cavity into two sub-cavities. This advantageously results in a more flexible design with respect to the positioning of the flange blow-off extractor and to the cavity sizing, as the flange position is not necessarily the boundary for the flow anymore as it would be without the separator element.

Abstract: A material for forming of the capacitor layer which generates no crack in drilling on the dielectric layer of the capacitor in manufacturing of a highly multilayered printed wiring board embedded a capacitor circuit. Copper clad laminate for forming of an embedded capacitor layer of a multilayered printed wiring board including an embedded capacitor circuit having a layer structure of copper layer/dielectric layer of the capacitor/copper layer in an inner layer characterized in that the composite elastic modulus Er of the resin film constituting the dielectric layer of the capacitor along the thickness direction is less than 6.1 GPa is employed.

Abstract: A method for repair of a cylinder block including a water ferrule having damage in an area proximate to the water ferrule is disclosed. The repair method includes removing material from the area containing and surrounding the damage. The method also includes providing a counter bore sized to surround the removed material. The counter bore is configured to define a seat at the one end of the water ferrule. A sealing member is aligned and introduced into the seat of the counter bore. The method includes aligning a stepped insert coaxially with the sealing member and the seat. The method also includes a step of introducing the insert into the seat of the counter bore to form an interference fit therewith. The method further includes providing a seal formed by a combination of the sealing member and the insert within the seat of the counter bore.

Abstract: A piston supply apparatus includes a piston gripping portion and a piston supply portion. The piston supply portion includes a connecting rod gripping unit gripping the connecting rod of the piston placed in a preparation area, a guide member abutting against a skirt portion of the piston to match an axial direction of the piston with a predetermined specified direction, a moving unit moving the gripping unit from the preparation area to a supply position in air, and a pivoting unit making the gripping unit pivot such that the piston top portion of the piston in a downward state is set in an upward state. The piston supply apparatus further includes a pressing unit pressing the piston top portion of the piston made to pivot to the upward state against the guide member.

Abstract: A solution for performing a set of tasks using one or more robotic devices is provided. The robotic device can be configured to perform each task using one or more effector devices, one or more sensor devices, and a hybrid control architecture including a plurality of dynamically changeable levels of autonomy. The levels of autonomy can include: full autonomy of the robotic device, teleoperation of the robotic device by a human user, and at least one level of shared control between the computer system and the human user.

Abstract: Modified turbine components include an original turbine component comprising an outer wail enclosing an internal cavity, wherein the outer wall has an original portion removed therefrom to expose the internal cavity, and, an internally cooled supplemental element joined to the outer wall that replaces the original portion removed from the outer wall and re-encloses the internal cavity. The internally cooled supplemental element comprises one or more cooling channels that circulate air from the internal cavity through at least a portion of the internally cooled supplemental element.

Abstract: An integrated single-piece exhaust system (SPEX) with modular construction that facilitates design changes for enhanced aerodynamics, structural integrity or serviceability. The SPEX defines splined or curved exhaust path surfaces, such as a series of cylindrical and frusto-conical sections that mimic curves. The constructed sections may include: (i) a tail cone assembly fabricated from conical sections that taper downstream to a reduced diameter; or (ii) an area-ruled cross section axially aligned with one or more rows of turbine struts; or both features. Modular inner and outer diameter inlet lips enhance transitional flow between the last row blades and the SPEX, as well as enhance structural integrity. Modular strut collars have large radius profiles between the SPEX annular inner diameter and outer diameter flow surfaces, for enhanced airflow and constant thickness walls for uniform heat transfer and thermal expansion. Scalloped mounting flanges enhance structural integrity and longevity.

Abstract: The following invention relates to an ignition coil assembly for an ignition system comprising an ignition coil where said assembly has a main axis and is configured for insertion into and/or removal out of a well associated with an internal combustion engine, wherein the assembly comprises an elongated extension body made of flexible material, said extension body comprising an upper end portion and a lower end portion wherein the extension body is arranged to be transversally bendable in relation to the main axis so that the upper end portion and the lower end portion may assume an angle (?) in relation to each other.

Abstract: A cylinder block (10) includes an inter-bore flow passage (14) between adjacent bores (12). Each inter-bore flow passage (14) is formed by closing an opening-side groove portion (15) continuous from a cylinder block deck face and a bottom-side groove portion (16) with the use of a lid member (20) made of copper, and the lid member (20 is laser-welded to a groove wall face of the opening-side groove portion (15). Before the laser-welding, the lid member (20) has recesses (26) that are interspersed in a direction, in which a laser beam travels, at any one of connected portions at which the lid member (20 is connected to the groove wall face of the opening-side groove portion (15).

Abstract: An apparatus is provided having two mating components. The mating components include an engine and an engine front cover. A fastening boss is formed on at least one of the two mating components and configured to receive a threaded fastener to join the two mating components. A compression boss extends from a first of the two mating components to contact a second of the two mating components. The compression boss is dimensioned relative to the fastening boss to create compressive loading in the compression boss when the threaded fastener is tightened to join the mating components.

Abstract: Reciprocating-piston internal combustion engines having different power outputs are to be equipped simply, reliably and inexpensively with a device for the selective catalytic reduction of the exhaust gases having an SCR module for a reciprocating-piston internal combustion engine, comprising a housing and/or a frame, an exhaust-gas section which delimits a flow duct for guiding through exhaust gas, having an inlet opening for introducing the exhaust gas and an outlet opening for discharging the exhaust gas, an SCR catalytic converter which is arranged inside the flow duct, at least one injection element for adding a reducing agent, for example ammonia or a urea solution, to the exhaust gas which is guided through the flow duct. This problem is solved by virtue of the fact that the SCR module comprises at least one delivery device (13) for feeding the reducing agent to the injection element at a predetermined pressure.

Abstract: Disclosed in certain embodiments are methods of improving efficiencies of adsorbed gas fuel systems and to recover vapors from gasoline containers.

Abstract: A balancer device for an internal combustion engine includes upper and lower housings made of aluminum alloy. The upper housing includes a leg part fixed to the engine. The lower housing is coupled to the upper housing by tightening bolts. A pair of balancer shafts are rotatably supported by the upper and lower housings. A positioning pin is disposed at a distal end portion of the leg part for positioning the upper housing with respect to the engine by positional correspondence to a positioning hole of the engine when the tightening bolts are tightened. The leg part is inclined outwardly with respect to a body of the upper housing such that a distal end of the positioning pin is located outside of a proximal end of the leg part with respect to the body of the upper housing when the tightening bolts are loosened.

Abstract: A system and method for automating an assembly process of threading a tube-nut onto a threaded connector. The system includes a robot having a force sensor and a tube-nut runner tool coupled to the robot and having a tool head with a rotatable socket therein. The method includes engaging the socket to the tube-nut under force control using the force signal from the force sensor. The tool controller causes the socket to rotate the tube-nut where the tool controller controls the torque and/or angle displacement of the tool head to tighten the tube-nut on the threaded connector. The method also includes disengaging the tool head from the tube-nut after the tube-nut is properly tightened onto the threaded connector under force control to ensure that the end member is properly disengaged from the tube-nut.

Abstract: A camshaft phaser, including: a drive sprocket; a stator; a rotor at least partially rotatable with the stator; a rotor extension fixedly connected to the rotor, having a slot at at least one outer circumferential position; a spring for biasing the rotor relative to the stator, having a first and a second end, the first end secured in the slot in the rotor extension and the second end secured on the stator.

Abstract: A wing (1) including a vertical plate (2) and a horizontal plate (3) is placed in the throat of a carburetor (41) or throttle body (93). The wing (1) is located adjacent to and downstream from the throttle valve (46, 94). The edges (6, 7, 13, and 131) are held in a spaced apart relationship from the carburetor wall (44) by locating tabs (4, 14, 15 and 16) which abut the wall (44). Securing tabs (5, 24) extend from the edges and grip a gasket or boot associated with an existing intake manifold. The wing (1) causes the air/fuel mixture exiting a carburetor to follow channelized parallel paths (78, 81 and 84) into the intake manifold.

Abstract: An engine housing of an internal combustion engine has at least one bore and a bearing assembly mounted in the bore for rotatably supporting a camshaft via first and second rolling-element bearings that each have an outer ring. A slot-shaped gap extends from the bore through at least a part of the engine housing up to a point at the surface of the engine housing, at least one screw bore is disposed in a first portion of the engine housing on a first side of the slot-shaped gap, a threaded bore is disposed in a second portion of the engine housing on a second side of the slot-shaped gap, and a screw extends through the screw bore, across the slot-shaped gap and into the threaded bore and is configured to pull together the first portion and the second portion to clamp the outer ring.

Abstract: A method for producing a fracture-divided component, in particular a connecting rod, with an at least partially coated bore includes the steps of: providing an unfinished component; applying a coating of a bearing material to a bore surface; and working the coating, in order to compensate internal tensile stresses in the coating, before fracture division of the component. Alternatively, the method for producing a fracture-divided component, in particular a connecting rod, having an at least partially coated bore includes the steps of: providing an unfinished component; applying a coating of a bearing material to a bore surface before fracture division of the component; and forming a counter-hardness zone before the application of the coating in order to generate compressive stresses which oppose the internal tensile stresses of the coating.

Abstract: A portable flexible fuel generator, having an engine, includes: a cylinder and a spark plug in the cylinder, a primary fuel tank fluidly connected to the cylinder, an air intake path fluidly connecting atmosphere to the cylinder, a start module including a starting fuel tank holder and a starting fuel line, where the starting fuel line is fluidly connected to the air intake path, a coolant path which provide a flow path for coolant to cool the cylinder, and a thermal controller along the coolant path. Furthermore, the engine has full cylinder cooling.

Abstract: A cam target wheel for a camshaft of an internal combustion engine is disclosed. The cam target wheel includes a first half-wheel and a second half-wheel. The first and second half-wheels are provided with connecting means for their reciprocal connection.

Abstract: A cooling apparatus for an integrated exhaust manifold includes: a first cooling jacket configured to surround a portion of an exhaust manifold; and a second cooling jacket configured to surround another portion of the exhaust manifold. The first cooling jacket includes a first portion sitting atop the second cooling jacket and a second portion adjacent the second cooling jacket and positioned lower than the first portion.

Abstract: A method of modifying the oil cooling system of a diesel engine includes the steps of removing the original equipment liquid-to-liquid heat exchanger and installing a manifold having a configuration adapted to match the mounting configuration of the oil passages of the original equipment liquid-to-liquid heat exchanger. The manifold has an oil outlet port directed to a remotely mounted oil cooler. The manifold also has a water passage having a configuration that is adapted to match the mounting configuration of the water passages of the original equipment liquid-to-liquid heat exchanger. The water passage causes the entirety of the flow of water to be discharged back to the water cooling system of the engine where it is circulated by the water pump through the water cooling passages in the engine.

Abstract: A piston for a free piston engine generator, comprising one or more elements arranged coaxially along a piston shaft wherein the length of the piston is at least five times its maximum diameter, wherein at least one of the elements is formed from a magnetically permeable composite material having isotropic electrical resistivity at least twice that of electrical steel this arrangement providing improved free piston position control, more consistent combustion and improved electrical conversion efficiency.

Abstract: In a method for the finishing of a crankshaft bearing bore in a cylinder crankcase of an internal combustion engine, starting from a prepared crankshaft bearing bore, a finished crankshaft bearing bore is produced with a prescribable desired size, a prescribable desired structure of the bore inner surface and a prescribable desired position of the bore axis. The prepared crankshaft bearing bore is first finished with at least one finishing tool with a geometrically defined cutting edge and then the honing of the crankshaft bearing bore is carried out. In a final finishing operation with a geometrically defined cutting edge immediately preceding the honing, an allowance of at least 0.4 mm is removed, and the honing tool is introduced into the bore coaxially in relation to the desired position of the bore axis and moved within the bore, an allowance of at least 0.08 mm being removed during the honing.

Abstract: A component of an exhaust system for an internal combustion engine. The component comprises an exhaust system structure (20) having an interior (22) through which exhaust gases flow and an exterior (21), and a thermal insulating wrap (10) for thermally insulating at least a portion of the exterior (21) of the exhaust system structure (20). The thermal insulating wrap (10) comprises an aqueous mixture comprising an inorganic binder and inorganic filler particles, and a fabric comprising inorganic fibers. The fabric is impregnated with the aqueous mixture so as to form a pliable binder wrap (11). The pliable binder wrap (11) is wound completely around at least a portion of the exhaust system structure (20). It can be desirable for the component to further comprise at least one thermal insulator comprising inorganic fibers, where the thermal insulator is disposed between the pliable binder wrap (11) and the exterior 21 of the exhaust system structure (20).

Abstract: A phasing system, including: a first phaser section including a first stator non-rotatably connected to a drive sprocket and first chambers formed by a first rotor and the first stator; a second phaser section located in a first axial direction from the first phaser section and including a second stator non-rotatably connected to the drive sprocket and second chambers formed by a second rotor and the second stator; a first portion of a camshaft non-rotatably connected to the first rotor, extending past the first stator in a second axial direction, and including first channels arranged to supply fluid to the first chambers; and a second portion of the camshaft non-rotatably connected to the first portion of the camshaft and extending past the second stator in the first axial direction and including second channels arranged to provide fluid to the second chambers.

Abstract: A split bearing arrangement for reciprocating engines comprises a bedplate section and a block section made of materials differing in hardness. The bedplate section includes at least a bedplate section clamping surface made of an iron material, and has at least one positioning protrusion located on the bedplate section clamping surface. The block section, made of a material having a hardness which is less than the hardness of the iron material, is adapted to be clampable and forcibly pressed against the bedplate section. When the bedplate section is first pressed into the block section, at least one positioning groove located in a block section clamping surface is formed. The at least one positioning protrusion has two longitudinal concave surfaces, two transverse concave surfaces and a substantially flat upper surface.

Abstract: A throttle valve includes a valve body defining a flow passage. A plurality of non-overlapping occluder members are mounted in the flow passage and have synchronized movement due to devices externally of the flow passage. The occluder members have mating edges which engage when closed together to substantially restrict flow through the passage. The occluder members are movable to multiple open positions wherein the mating edges are spaced apart to permit unobstructed and centralized flow through the passage.

Abstract: An intake manifold assembly includes an intake manifold body defining an interior manifold cavity. The intake manifold further includes a throttle mount coupled to the intake manifold body and defining a mount passage in fluid communication with the interior manifold cavity. The throttle mount is configured to be coupled to a throttle assembly. The intake manifold assembly further includes a supplemental gas conduit including a first supplemental gas conduit portion coupled to the intake manifold body. The supplemental gas conduit further includes a second supplemental gas conduit portion in fluid communication with the first supplemental gas conduit portion. The second supplemental gas conduit portion is coupled to the throttle mount and is configured to deliver supplemental gases into the mount passage to mix the supplemental gases with intake air flowing through the mount passage.

Abstract: A gas turbine engine includes a bleed structure which includes a forward wall and a rear structural wall to define a deposit space downstream of the bleed structure for a hail event of a predetermined duration.

Abstract: A combustor is provided for a turbine engine. The combustor includes a first liner having a first side and a second side and a second liner having a first side and a second side. The second side of the second liner forms a combustion chamber with the second side of the first liner, and the combustion chamber is configured to receive an air-fuel mixture for combustion therein. The first liner defines a plurality of effusion cooling holes configured to form a film of cooling air on the second side of the first liner. The plurality of effusion cooling holes including a first effusion cooling hole extending from the first side to the second side with a non-linear line of sight.

Abstract: A valve lift adjustment arrangement for a mechanically-controllable valve drive arrangement includes a bearing shaft, a first roller, a second roller arranged on the bearing shaft, a camshaft arrangement, a valve lift adjustment device comprising a rotatable eccentric shaft, an intermediate lever arrangement, and a device. The intermediate lever arrangement comprises an intermediate lever with a working curve. The intermediate lever is mounted via the first roller to be movable in a slotted-guide track and to be operatively connected to the camshaft arrangement and to the valve lift adjustment device. The device is configured so that the second roller is eccentrically mounted. The device comprises a tool engagement point which aligns the second roller and thereby the intermediate lever arrangement. The camshaft arrangement acts, via the first roller, on the intermediate lever arrangement. The rotatable eccentric shaft is acts, via the second roller, on the intermediate lever arrangement.

Abstract: An oil distribution and cooling system for diesel engines of the design represented by the 6.4L POWER STROKE® engine. The stock oil cooler and cover are removed and a manifold is positioned in place of the removed stock oil cooler and cover. The block has oil in, oil out, coolant in and coolant out ports which align with those on the engine. Coolant is directed to an adapter plate and a relocated oil cooler which may be the removed cooler or a replacement, preferably of the oil-to-air type. Oil to be filtered and cooled is directed through the manifold to a filter and then to the cooler. Cool, clean oil is returned to the manifold for distribution to various engine locations.

Abstract: An internal combustion engine is provided. The engine includes a cylinder head having a cylinder having an exhaust valve opening and an intake valve opening, an intake port in fluidic communication with the intake valve opening and configured to flow intake air to the cylinder through the intake valve opening, and a condensate drainage channel extending into a wall of the intake port and including an inlet positioned downstream of an outlet, the inlet positioned vertically above the outlet.

Abstract: An internal combustion engine with a centrifugal pendulum device having a pendulum mass carrier, a moveable coupling element rotatably coupled to the pendulum mass carrier via a first bearing element, the coupling element forming a continuous piece of material, and two pendulum masses spaced away from one another and rotatably coupled to the coupling element via a second bearing element and a third bearing element.

Abstract: A metering system includes a housing, a gas metering member, and a fuel metering member. The housing includes a first cavity arranged at a first non-parallel angle relative to a longitudinal axis of the housing, and a second cavity arranged at a second non-parallel angle relative to the longitudinal axis. The gas metering member is positioned in the first cavity and configured to control flow of gas to the fuel atomizer. The fuel metering member is positioned in the second cavity and configured to control flow of fuel to the fuel atomizer.

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: A method for the arrangement of effusion holes and impingement cooling holes in a combustion chamber wall including: distribution of the effusion holes in the surface to be cooled in accordance with pattern, diameter and dimension selections made; distribution of the impingement cooling holes in accordance with pattern, diameter and dimension selections made; checking of the number of matches and their spacing from one another, taking into account the component and assembly tolerances; comparison with the permitted number and their minimum spacing; and, if quality requirements are not met, taking corrective actions, including selecting alternative diameters and patterns.

Abstract: A method for machining, in particular mechanical machining, of at least one exhaust-gas-conducting surface region of an internal combustion engine or crankcase part, in particular at least one cylinder barrel of a crankcase or at least one cylinder barrel of a cylinder sleeve, includes using a surface-condition-changing machining tool. The surface region is produced from a corrodible material and is brought into contact, during the machining through the use of the surface-condition-changing machining tool, with at least one tribochemically activatable substance being activated during the machining in particular as a function of a defined contact pressure of the machining tool and/or as a function of a defined machining temperature, and forms a corrosion-resistant surface as a triboreaction layer with the respective surface region, by tribochemical reaction. A crankcase and a cylinder sleeve formed in this way are also provided.

Abstract: In an internal combustion engine comprising a plurality of cylinders with at least one cylinder head including inlet channels extending from an inlet flange surface to a cylinder inlet and outlet channels extending from a cylinder outlet to an opening in an outlet flange surface and an oil chamber provided in the cylinder head for supplying lubricant to an actuation device for gas exchange valves, the inlet flange and the outlet flange have flat surfaces which are arranged at an angle relatively to each other so that the surface planes intersect above the cylinder head and the cylinder head, as a result, has an essentially triangular cross-section.

Abstract: A pallet-based support system for use in assembling a vehicle engine that includes an engine block is described herein. The pallet-based support system includes a first jig and a second jig configured to couple to the engine block. The system also includes a first support arm and a second support arm extending from the pallet and each of the support arms includes a cradle structure. The system also includes a first adapter structure coupled to the first jig. The first adapter structure is configured to be releasably coupled to one of the cradle structures by lowering the engine block towards the pallet. The first adapter structure engages the cradle structure and is configured to be positioned in at least three orientations with respect to the cradle structure.