Abstract: A dynamic air intake (A, A?) for vehicle, helmet or safety clothing and the like, including a rigid casing (1, 5; 1?, 5?) having an air inlet opening (A1, A1?), an air outlet opening (A2, A2?) and a closed channel (1.4, 1.5, 3, 5; 1?, 1.4?, 25, 3?, 5?) for the passage of an air flow passing between said inlet opening (A1, A1?) and said outlet opening (A2, A2?), comprising air/water filter separation means including at least one layer (3, 3?) of material which absorbs rainwater and/or nebulised water, water vapour, arranged along said channel (1.4. 1.5, 3, 5; 1?, 1.4?, 25, 3?, 5?), without obstructing the cross section of the same channel, in direct contact with said passing air flow and in which water and water vapour, which are transported by said passing air flow, are gradually collected and released to be dispersed towards the outside of said rigid casing.

Abstract: Disclosed is a base plate (1) and the protective case of a printed circuit. The plate includes a ventilation filter (4) and at least one rivet blank (5) projecting from the plate and intended to penetrate the printed circuit and to be deformed for rigidly connecting the printed circuit to the base plate by projecting from a face (1a) of the plate, the filter including at least one ventilation opening (6). The rivet blank is borne by the filter and includes an internal tube (7) passing right through the rivet blank in the projecting direction thereof, the internal tube opening, on one side, onto an end of the rivet blank that projects furthest from the plate while forming the ventilation opening and, on the other side, into the ventilation filter.

Abstract: A method of managing water entering through a hood vent includes steps of: collecting the water in a water collection tray of the hood vent, delivering the water, through a first water drain of the hood vent, to a water channel of a hood insulator and discharging the water from a second water drain in the hood insulator.

Abstract: An air deflector for a vehicle includes a pair of side air deflectors joined by an intermediate air deflector, and one or more drainage apertures offset from a sealed outboard corner of each of the pair of side air deflectors. The air deflector further includes one or more draining surfaces adapted to promote movement of liquids and solids to the one or more drainage apertures. The one or more drainage apertures may be defined by a non-planar margin defined in the intermediate air deflector member and/or the pair of side air deflectors. The one or more draining surfaces include a plurality of crowned and sloped surfaces adapted for directing movement of liquids and solids to the one or more drainage apertures.

Abstract: A support structure for supporting a conduit of an engine includes a bracket assembly having a platform, a pair of brackets, and a pair of fixtures. The platform supports the conduit. Each bracket includes a first lateral post coupled to the platform, a second lateral post coupled to an engine block, a first longitudinal post, and a second longitudinal post. Also, a lateral distance between the first longitudinal post and the second longitudinal post increases in a direction away from the first lateral post towards the second lateral post. Each bracket also includes a stiffener connecting the first longitudinal post and the second longitudinal post. Each fixture includes a pair of legs and couples the platform to an engine head. Further, each fixture includes a web structure having a central portion and a plurality of stems connecting to the pair of legs.

Abstract: An air induction system includes a hood inlet duct having a first induction inlet and an air induction plenum assembly having a second induction inlet. The air induction system also includes an air box in fluid communication with the air induction plenum and the hood inlet duct. The air box defines an inner box cavity. The air induction system also includes a panel filter disposed inside the air box, wherein the panel filter divides the inner box cavity so that the first induction inlet and the second induction inlet are upstream of the panel filter.

Abstract: A hybrid vehicle which is driven using the power of an engine and the power of a drive motor which is driven by an electric power supplied from a battery module, the vehicle including: a propeller shaft which is disposed below a floor panel in a vertical direction of the vehicle extending in a fore-and-aft direction of the vehicle, and is configured to transmit the power of the engine and the power of the drive motor to a rear wheel; and a battery pack having the battery module, the battery pack being disposed below the floor panel so as to cover the propeller shaft. The battery pack has a recess formed in a fore-and-aft direction of the vehicle, and the propeller shaft is housed in an air guide duet defined by the floor panel and the recess of the battery pack.

Abstract: An engine encapsulation structure of a vehicle may include an engine room encapsulation member disposed at an upper portion of an engine compartment and covering an upper portion of a power train having an engine and a transmission, an underbody encapsulation member disposed at a lower portion of the engine compartment and covering a lower portion of the power train, wherein the engine room encapsulation member and the underbody encapsulation member form an inner space and enclose the power train in the inner space when being assembled each other, and a front inlet formed at a front portion of the assembly to allow air through the front inlet and to cool the power train while the air passes through the inner space of the assembly, the air being discharged through a rear outlet formed to the assembly.

Abstract: A cover device is provided for an engine compartment of a motor vehicle, with at least one, in particular extensive, attenuator, at least a first section of which rests and/or abuts against at least one first engine compartment element situated in the engine compartment, and with at least one fastener, with which the attenuator can be secured or is secured directly or indirectly to the vehicle body, the at least one engine compartment element and/or at least one second engine compartment element situated in or on the engine compartment, in particular in a movable manner.

Abstract: A grommet and seal assembly enables a pair of ducts to pass through a sound wall that separates an engine from a cooling system. The disclosed grommet and seal assembly enables the sound wall to flex without breaking the seal between the grommets and the air ducts. The grommet and seal assembly may include a pair of flexible grommets which are installed in openings in the sound wall and through which the air ducts are installed. Rigid proximal and distal plates may then be coupled together so that the flexible grommets are sandwiched between the proximal and distal plates. Each flexible grommet may include dual flanges and all four flanges may be sandwiched between the proximal and distal plates after the proximal and distal plates are coupled together. A center plate may also be included between the flanges and between the proximal and distal plates for additional structural integrity.

Abstract: Device for damping sounds which comprises a casing (11) around one or more sound-generating equipment items, and a sound-damping panel (20) via which air flows out from the casing. The sound-damping panel has a throughflow space (23) between a first wall (21) which faces towards the inside of the casing and a second wall (22) which extends along and at a distance from the first wall. The first wall has a plurality of apertures (24) for air to flow into the throughflow space. Diffusers (25) on the second wall directly opposite each aperture deflect the air which flows towards the second wall into various different directions in the throughflow space. At least some of the internal surfaces of the throughflow space are covered with sound-absorbing material (29). Air flows from the throughflow space to the surroundings via outlet apertures (31) of the sound-damping panel.

Abstract: A vehicle front portion structure is provided which can lengthen a wheel base without increasing the size of a vehicle body. A vehicle front portion structure is provided with a bumper reinforcement of a front bumper, a power unit that drives a front wheel arranged to a vehicle rear of the bumper reinforcement, and a cooling unit which is arranged at a vehicle front of a dash panel, and is arranged at a vehicle rear of the power unit.

Abstract: A grommet and seal assembly enables a pair of ducts to pass through a sound wall that separates an engine from a cooling system. The disclosed grommet and seal assembly enables the sound wall to flex without breaking the seal between the grommets and the air ducts. The grommet and seal assembly may include a pair of flexible grommets which are installed in openings in the sound wall and through which the air ducts are installed. Rigid proximal and distal plates may then be coupled together so that the flexible grommets are sandwiched between the proximal and distal plates. Each flexible grommet may include dual flanges and all four flanges may be sandwiched between the proximal and distal plates after the proximal and distal plates are coupled together. A center plate may also be included between the flanges and between the proximal and distal plates for additional structural integrity.

Abstract: A vehicle hood or a panel covering an object includes an inner surface and an outer surface. The inner surface faces the object and is offset from the object by a basin depth. The outer surface is substantially opposite the inner surface. A local energy absorber is operatively attached to the inner surface or is disposed between the inner surface and the object. The local energy absorber has a singly-connected structure, which includes a first wall portion and a second wall portion. The first wall portion is operatively attached to the inner surface. The singly-connected structure also includes a curved connector portion joining the first wall portion and the second wall portion.

Abstract: The present invention provides a thin vehicle closure panel design that substantially reduces a thickness (panel gauge plus the perpendicular distance or depth between the panels) of a vehicle hood (5) and the impact effect on the head of a pedestrian struck by a motor vehicle. In one embodiment, the vehicle hood (5) includes a hood shell (15) including an outer panel (25) and an inner panel (20); a unitary foam core (100) positioned between and bonded to the outer (25) and/or the inner panel (20) of the hood shell (15); and at least one recess (10) that corresponds to an underhood component (42). In another aspect of the invention, a vehicle hood (5) is provided in which a latch attachment member (60) and/or hinge members (70) are attached to inner surface (50) of the inner panel (20) of the hood shell (15).

Abstract: A hood for a vehicle includes: a hood outer constituting a vehicle outer surface of the hood covering an engine room; a hood inner disposed on a rear face of the hood outer; an insulator for suppressing transmission of sound generated in the engine room to the outside; and an intercooler duct for guiding outer air flowing in the engine room to an intercooler. The insulator includes a through hole at least in a part of an overlap part overlapping the intercooler duct.

Abstract: In some embodiments, a vehicle having multiple silencers may include one or more of the following features: (a) a chassis carrying a seat, (b) a steerable pair of front wheels and at least two rear wheels coupled to the chassis, (c) a steering member for steering the front wheels, (d) an engine carried by the chassis for powering the vehicle, (e) at least one exhaust manifold operably coupled to the engine, (f) at least one exhaust pipe coupled at one end to said at least two exhaust manifolds, (g) a first silencer coupled to the other end of said one or more exhaust pipes, (h) a second silencer coupled to the first silencer to route exhaust through the length of each silencer, and (i) a crossover tube which couples the first silencer to the second silencer.

Abstract: An engine cover which can improve the assembly work and prevent noise generated at a joint between divisional bodies is provided. A first divisional body of the engine cover includes a first cover main body and a first mounting end portion provided to one end portion of the first cover main body, and a second divisional body of the engine cover includes a second cover main body and a second mounting end portion provided to one end portion of the second cover main body. The first mounting end portion is provided with a first engaging end portion arranged in a down direction of the first cover main body and extending in a diametric direction outwardly thereof. The second mounting end portion is provided with a second engaging end portion arranged in a down direction of the second cover main body and extending in a diametric direction outwardly thereof.

Abstract: A lightweight engine compartment shielding (1) is suitable for increasing the passenger's acoustic and climatic comfort. This compartment shielding is mounted on to the car body of the engine compartments and completely covers the engine compartment in one part or in several partitions. The compartment shielding (1) is build up as a self-supporting double-walled assembly comprising an upper-shell (2), an under-shell (3) and an airspace (5) in between.

Abstract: One aspect of the invention, an embodiment of hybrid-powered slow-speed vehicle (400) fundamentally comprising battery-electric slow-speed (BESS) vehicle (107) plus auxiliary-drive ICE-powertrain (200), hub-coaxial wheel positioner (269).

Abstract: A tractor realizes the remarkable reduction of time and efforts necessary for an assembling operation of a hood. Here, a hood is split into a fixed-side forming body which is fixed to the body frame and an open-and-close side forming body which can open/close an upper surface of the fixed-side forming body, and the fixed-side forming body is split into a left half forming member and a right half forming member. On the other hand, a connecting support body is formed on the front portion of the body frame in an upwardly raised state and, front-end abutting portions of left-and-right-side half forming members are connected and fixed to the connecting support body using a connecting body in a state that the front-end abutting portions are sandwiched between the connecting support body and the connecting body in the longitudinal direction.

Abstract: A vehicle hood closure control and release system including a hood release mounted to a vehicle frame. The hood release may include a pivotally mounted hood release handle pivotable for unlatching a vehicle hood having a grille mounted thereon. A bumper may be integrally mounted to the hood release for resiliently contacting the grille and preventing slamming of the grille when the vehicle hood is moved from an open to a closed position.

Abstract: In a hydraulic excavator, in a rear part of an upper rotating body mounted on a lower traveling body is disposed an engine room, and in a front surface of a partition wall for partitioning the front surface side of the engine room from the exterior is provided a step serving as a foothold for opening and closing a bonnet and performing maintenance work. On the lower side of the step, a duct for exhausting the air within the engine room to the exterior is formed in a state that the step serves as an upper surface wall of the duct.

Abstract: An air intake sound transmission device of a vehicle is disclosed. The air intake sound transmission device comprises an engine hood and an intake channel. The engine hood has a vibratory portion. The intake channel connects an inlet of an engine to a fresh-air inlet. The intake channel further includes an opening positioned at an intermediate section thereof. The opening faces the engine hood and transmits pressure fluctuations in the intake channel caused by operation of the engine to the vibratory portion of the engine hood. The vibratory portion of the engine hood vibrates in response to the pressure fluctuations. A method of generating an air intake sound is also disclosed.

Abstract: A compact excavator includes an upper rotating body mounted rotatably on a lower traveling body, an engine arranged on a rear section of the upper rotating body in a state where a drive shaft thereof is oriented in a horizontal direction, an hydraulic pump connected to the drive shaft, and a sound attenuating plate disposed on a front side of the engine across a width of the excavator. A longitudinal discontinuity is provided in a neighborhood of the pump so as to bring the sound attenuating barrier in a backward displaced state, a blocking portion for a longitudinal discontinuity in the sound attenuating barrier is provided with through holes, pipes extending from the pump, and communicating with a hydraulic device arranged on an outer periphery side of the upper rotating body on the opposite side of the pump are laterally inserted through the through holes.

Abstract: A soundproofing assembly intended, in particular, to soundproof a motor vehicle. The inventive assembly includes four stacked layers, consisting respectively of: a first layer having an air resistance of between 500 and 2,000 N·m?3.s; a second porous, acoustic spring-type layer having a resistivity of between 10,000 N·m?4.s and 50,000 N·m?4.s; a third viscoelastic, airtight, heavy mass-type layer having a density that is greater than or equal to 1,500 Kg/m3 and a surface density of between 0.2 Kg/m2 and 9 Kg/m2; and a fourth porous, acoustic spring-type layer having a resistivity of between 10,000 N·m?4.s and 50,000 N·m?4.s.

Abstract: A hood structure comprises an outer and an inner which form a closed cross section through spaces. The inner's cross-sectional shape is a sine curve, an nth-power-raised sine curve, or a spline curve having a corrugation length approximate to an outside head diameter. This corrugated hood structure can provide a uniform, excellent head impact resistance independently of impact positions on the hood. The corrugated hood structure also excels in tension rigidity, bending rigidity, and torsional rigidity. Accordingly, the car body hood panel structure satisfies requirements of head impact resistances for pedestrian protection and rigidity improvement such as the tension rigidity.

Abstract: In order to protect pedestrians in the event of a collision with a motor vehicle, a bodyshell element forming a hood or trunk lid has at least one edge area with an outer part isolated from a support structure, in such a way that the outer part creates an energy-absorbing zone in front of the support structure part as a means of protection in a collision.

Abstract: The present invention concerns an automotive protective mat (1), also known as throw in mat or protective mat. This mat comprises a microporous stiffening layer (2) (acoustical membrane). This layer may be composed of several sheets. The overall air flow resistance is between 500 Ns/m3–4000 Ns/m3. It is essential for this mat (1) that it is hydrophobic. In order to achieve an enhanced acoustical effectiveness a decoupling layer (6) is foreseen between the microporous stiffening layer (2) and the vehicle floor (8). This decoupling layer might be incorporated in the mat (1) or constituted by the underlaying carpet or sound absorber of the vehicle floor. Further layers or sheets such as adhesive layers, non skid layers, face fabrics or carpets and/or loft layers can be added to the claimed mat.

Abstract: A bracket/pad anti-flutter grille bumper attached to a motor vehicle frame or front bumper to reduce the vibrations of a hood-mounted grille resulting from road forces or from slamming the hood shut. Alternative mounting of the bracket on an impact absorbing and collapsible bumper assembly allow for movement of the grille on impact, while maintaining the anti-flutter feature when the bumper returns to its normal position.

Abstract: An engine compartment cover for a work machine comprising left and right-hand side covers for covering the sides of an engine, and a hood for covering the top of the engine, which serves to enclose the engine and demarcate an engine compartment and which is capable of suppressing the noise at the operator's ear level caused by the engine operating noise passing through the engine compartment cover as far as possible, whereby the level of quietness in the operator cab can be improved.

Abstract: A box type silencer unit includes a ventilation portion, a silencer portion adjacent to the ventilation portion, and a dividing partition located between the ventilation portion and the silencer portion. The ventilation portion is formed of a ventilating passage opened through a front end and a back end of the box body. The silencer portion is formed by closing the front end and the back end of the box body and includes at least one partition plate to make a plurality of silencing passages of different length. Each of the silencing passages communicates with the ventilation passage through at least one opening formed in the dividing partition and at least one of those silencing passages is provided with at least one passage extending partition to extend the length of the silencing passage. This device can be applied to such a portion, e.g., the front grille or bumper of an automobile as cannot take a large area in front of the ventilation or a depth in the ventilating direction.

Abstract: A partition for adjusting noise emanating from the engine compartment of a vehicle. The partition is provided for installation over the engine compartment of a vehicle and may comprise an opening integrally formed therein, a conduit communicating with the orifice, and a movable panel, the movable panel being operatively connected with the conduit. The panel can be moved manually or by mechanical or electrical remote actuation. The partition can be light transmissive, and a light source can be disposed proximate to the partition for illuminating the engine compartment.

Abstract: A hood mounting system and a mobile vehicle with this system installed provides improved sound dampening for the hood of the vehicle. The hood mounting system includes two lower hood brackets and one upper cowl guide mounted to the cowl or forward portion of the cab of the vehicle. The hood of the mounting system includes a rear support frame that has a center hood guide bracket for engagement to the upper cowl guide. The hood rear support frame also has two hood rear support guides, one each vertical side of the support frame. Each hood rear support guide mates with a lower hood bracket. The lower hood brackets each contain a liner insert that may be made from a rubber or urethane sheet or molded from this material. This liner insert acts as the component interface. The center guide bracket of the hood also has a urethane or rubber liner insert located within its fold receptacle.

Abstract: The soundproof casing is divided to an engine room (1), a muffler room (2) and a radiator room (3). The engine room (1) includes the engine E and a work machine unit (generator unit G). The muffler room (2) includes mufflers M1, M2. The radiator room includes a radiator R. An electric fan D is provided between an air intake aperture (22a) and the radiator. The radiator room and the muffler room are communicated. An air flow duct (4) to communicate the engine room and the muffler room is provided. An engine fan F is provided just opposite to an entrance of the air flow duct. An inter-cooler I is provided in the air flow duct. The soundproof type engine driven work machine including aforementioned apparatuses is offered to improve the cooling efficiency as well as reducing unfavorable noise.

Abstract: A box type silencer unit 20 includes a ventilation portion 23, a silencer portion 24 adjacent to said ventilation portion 23 and a dividing partition 22 located between said ventilation portion 23 and said silencer portion 24. The ventilation portion 23 is formed of a ventilating passage 23c opened through front end and back end of said box body 21. The silencer portion 24 is formed by closing front end and back end of said box body 21 and includes at least one partition plate to make a plurality of silencing passages 24a and 24b of different length La2 and Lb2. Each of said silencing passages 24a and 24b communicates with said ventilation passage 23c through at least one opening 22a to 22d formed in said dividing partition 22 and at least one 24b of those silencing passages 24a and 24b is provided with at least one passage extending partition 26a and 26b to extend the length of said silencing passage. This device can be applied to such a portion, e.g.

Abstract: A soundproofing cover absorbs noises, produced by a vehicle. It is fastened to a plurality of vehicle-side installation portions, and includes a cover body, composed of a polymer foamed substance, and a plurality of brackets, held integrally to the cover body. The respective brackets have an installation portion and a holding portion. The installation portion is to be fastened to the vehicle-side installation portions. The holding portion is held and fastened integrally to the cover body. At least two of the installation portions constitute a datum bracket, connected by one of the holding portions shared commonly. The positioning accuracy can be improved in the installation of the soundproofing cover to the vehicle-side installation portions so that the installation operability can be upgraded. In addition, the increment of the weight can be kept minimum so that the lightweighting requirement can be satisfied.

Abstract: A spring designed to be mounted adjacent and in conformance with a convex or concave surface that has varying radii of curvature. The stiffness against bending of the spring varies along its longitudinal axis. The stiffness against bending of various portions of the spring is proportional to the radii of curvature of portions of the surface adjacent which each portion of the spring is to be disposed. The mounting structure for the spring includes female mounting members that are to be engaged to male mounting members. The female mounting members and male mounting members can be engaged to one another by sliding the two components together. The spring and mounting system are particularly well adapted for holding objects adjacent an inner surface of body panels of a vehicle.

Abstract: An engine cooling air passage for construction equipment, which is capable of reducing noise released from a cooling air exhaust port with back pressure of cooling air remaining low and making an engine room compact, is provided. To this end, in the engine cooling passage, a fan air diversion passage (53) of a predetermined length, which has a fan air diversion opening (53a) located near an outer periphery portion of a cooling fan (16) and taking in a cooling air blown by the cooling fan (16), at one end side, and an opening (53b) located near a lateral end portion of a counterweight (61) and discharging the cooling air taken in to an outside, at the other end side, is formed either in a front portion of or in front of the counterweight (61).