Abstract: A printed circuit board has a first elongated face and a second elongated face opposite the first face. The printed circuit board has at least one first, second and third rigid region in addition to at least one first and second flexible region. The flexible regions are perpendicular to the faces and are thinner than the rigid regions. The first rigid region is only coupled to the second rigid region by way of the first flexible region and the second rigid region is only coupled to the third rigid region by way of the second flexible region. The first flexible region lies flush against the first face and the second flexible region lies flush against the second face of the printed circuit board.

Abstract: The invention provides a multilayer wiring board including wiring patterns formed with a multilayer structure with at least one electrical insulating layer interposed therebetween, the wiring patterns being electrically connected with each other through at least one via formed in the insulating layer(s). The multilayer wiring board includes at least one wiring containing layer on one side or both sides of a substrate, or of a circuit board having a predetermined wiring pattern.

Abstract: A composite via structure in a multilayer printed circuit board (PCB) and also compact and shielded filters formed by the use of composite via structures as building blocks are provided. The composite via structure consists of two functional parts. The first functional part is designed to form an interconnected circuit with low return and leakage losses between the first pad disposed at the one side of the PCB and the special pad serving for a connection to a planar transmission line. The second functional part of the composite via structure serves to form a shielded open- or short-circuited resonant length (stub) extended in the vertical direction from the special pad to the second pad disposed at the opposite side of the PCB.

Abstract: A complementary mirror image embedded planar resistor architecture is provided. In the architecture, a complementary hollow structure is formed on a ground plane or an electrode plane to minimize the parasitic resistance, so as to efficiently enhance the application frequency. In addition, in some cases, some signal transmission lines pass through the position below the embedded planar resistor, and if there is no shield at all, serious interference or cross talk phenomenon occurs. Therefore, the complementary hollow structure of the ground plane, the electrode plane, or a power layer adjacent to the embedded planar resistor is designed to be a mesh structure, so as to reduce the interference or cross talk phenomenon. In this manner, the whole resistor structure has preferable high frequency electrical characteristic in the circuit.

Abstract: A circuit board according to the invention includes a glass substrate, an insulating layer, a plurality of protrusions and a first circuit layer. The insulating layer is disposed on the substrate and has a plurality of protrusion-positioning regions. The protrusion-positioning region is an opening or a concave. Each of the protrusions includes a polymer or a resin material and is disposed in the protrusion-positioning region and surrounded by the insulating layer. The first circuit layer is disposed on the insulating layer and has at least one trace line extending directly onto the protrusion.

Abstract: A contact structure on a substrate which has at least one contact is provided. The contact structure includes a compliant layer, at least one solder pad, at least one conductive via, and at least one conductive arm. The compliant layer is disposed on the substrate and covers the contact. The solder pad is disposed on the surface of the compliant layer which is at the opposite side of the substrate. The conductive via is disposed in the compliant layer and is connected to the contact. The conductive arm is disposed on the surface of the compliant layer in opposite to the substrate, and two ends of the conductive arm are respectively connected to the conductive via and the solder pad. Furthermore, a method for fabricating the contact structure, an interposer and an electrical package using the contact structure are provided.

Abstract: A semiconductor substrate for transmitting a differential pair is provided. The semiconductor substrate includes a substrate body and at least one via. The via has an opening on a surface layer of the substrate body and includes a first conductive element, a second conductive element and a ground element therein. The first conductive element, the second conductive element and the ground element are electrically isolated to one another. The ground element is electrically connected to a ground layer of the substrate body. The first conductive element and the second conductive element pass through the ground layer of the substrate body and are electrically isolated with the ground layer of the substrate body. The first conductive element is used for transmitting a positive differential signal and the second conductive element is used for transmitting a negative differential signal.

Abstract: A multilayer circuit board includes a laminate having a plurality of ceramic layers, and a wiring pattern disposed in the laminate, wherein a ceramic layer includes, as the wiring pattern, a fully penetrating via-hole conductor that vertically passes through the ceramic layers, and a serial partially penetrating via-hole conductor that is electrically connected to the fully penetrating via-hole conductor in the ceramic layers and does not pass completely through the ceramic layers.

Abstract: A flex-rigid wiring board includes a flexible board including a flexible substrate and a conductor pattern formed over the flexible substrate, a non-flexible substrate disposed adjacent to the flexible board, an insulating layer covering the flexible board and the non-flexible substrate and exposing one or more portions of the flexible board, a conductor pattern formed on the insulating layer, and a plating layer connecting the conductor pattern of the flexible board and the conductor pattern on the insulating layer.

Abstract: A disposable cover for electromagnetic treatment applicators prevents undesired exposure to potentially harmful radiation. The cover is a pouch-like structure having a back surface constructed from RF shielding material, such as metallized polyethylene, which back surface faces opposite, or away from, the treatment area. A portion of the cover which faces the treatment area is constructed from material transmissive to RF radiation from the applicator. Securing means, such as adhesive strips, or interlocking edges close an open end to secure the applicator inside the cover and to prevent RF radiation through the closed end. In use, an applicator is inserted within the cover and positioned over the area to be treated with the RF transmissive material overlying the treatment area.

Abstract: A cable holder unit is mounted in an electronic device mounting a plurality of units connected with cables. The cable holder unit has a cable holder assembly having cable holders and a support section for supporting the cable holders and a mounting section for mounting the cable holder assembly. The support section has a groove and a movable section having a projection that is to be inserted into and penetrates through the groove. The mounting section has a pivoting section that enables the support section to pivot and an anchoring section that engages with the projection to stop the support section from pivoting. The cable holder unit also has a preventing section for preventing adjacent units under the mounting section from being pulled out.

Abstract: Installation brackets facilitate securing of electrical boxes during building construction, for example within an internal cavity of a partition. Disclosed herein are installation brackets to which can be mounted electrical boxes of various sizes or depths, as well as electrical box assemblies including such installation brackets.

Abstract: The invention relates to a cable duct (10), comprising a base body (12), which may be operationally connected to a wall opening, for example, in a switch cabinet, at least one strain reliever (14, 16) with at least one opening (18, 20) for operational housing of at least one cable. The base body (12) is made from elastically deformable material, for example, rubber or plastic, comprises at least one hinged housing (30, 32) for the strain reliever (14, 16) and may be plugged into the wall opening.

Abstract: A procedure for the installation of horizontal drains for uptake of seawater of the type of those that use guided horizontal drilling (GHD) with widening by means of reamers and use of drilling muds for consolidation of the drilled galleries, and subsequent installation of drains, characterized in that the guided horizontal drilling (GHD), of single or multiple holes, is carried out from behind the coastline and directed towards the sea, crossing predetermined submerged productive strata; in the boreholes drilled, tubular drains are introduced, with grooves or holes only in stretches that correspond to predicted productive areas, remaining closed in the other sections; the space between the hole and the drain is sealed in the non-productive parts.

Abstract: Apparatus and methods for drilling with casing. In an embodiment, methods and apparatus for deflecting casing using a diverter apparatus are disclosed. In another embodiment, the apparatus comprises a motor operating system disposed in a motor system housing, a shaft operatively connected to the motor operating system, the shaft having a passageway, and a divert assembly disposed to direct fluid flow selectively to the motor operating system and the passageway in the shaft. In another aspect, methods and apparatus for directionally drilling a casing into the formation are disclosed. Methods and apparatus for measuring the trajectory of a wellbore while directionally drilling a casing into the formation are also described.

Abstract: System and methods for creating shaped, non-circular boreholes in rocks especially for use with geothermal heat pump applications and for increasing wellbore support in applications such as horizontal oil and gas drilling are described. The systems and methods when applied to geothermal heat pumps create an elliptical shaped hole that is optimized for placing heat transfer tubes with a minimum of grout used. The significantly reduced cross-sectional area of the elliptical borehole also increases the overall drilling rate in rock and especially in hard rocks. In horizontal hard-rock drilling, creation of a horizontal non-circular borehole or modification of a circular borehole to a non-circular geometry is used to stabilize the borehole prior to casing insertion, and may also allow the use of lower mud pressures improving drilling rates. The system uses a non-contacting drilling system which in one embodiment uses a supersonic flame jet drilling system with a movable nozzle that swings between pivot points.

Abstract: Drill rod support half (20) comprising a surface (21) for direct contact with the drill string (30), and the half being provided with a recess (23) capable of forming a drill string opening (22) with an opposing drill rod support half (20). The invention is characterized in that the recess (23) is generally V-shaped, for enabling guiding of drill strings (30) of different shape and dimension.

Abstract: A tubular handling torque multiplier includes a torque input end for connection to the quill of a top drive, a torque output end for connection at least indirectly to a well tubular joint to be driven to rotate, gears for adjusting the torque output from the torque output end from that torque input at the torque input end, an axial support between the torque input end and the torque output end to allow axial stress to be communicated from the torque output end to the torque input end and a fluid circulating path open between the torque input end and the torque output end.

Abstract: An earth boring bit has a bearing pin with a sleeve mounted on it. The sleeve is fixed against rotation but able to float relative to the bearing pin. A cone fits over and forms a bearing surface with the sleeve. The sleeve and bearing pin are configured to have a clearance between them that has a forward portion that progressively decreases in a rearward direction. The clearance progressively decreases in a forward direction from the rearward end of the sleeve. The cone and the sleeve are able to tilt in unison with each other relative to the bearing pin when the bit is loaded.

Abstract: A combination weigher of the present invention is configured such that a plurality of weighing hoppers (4) are divided into base groups (FG1, FG2) and adjustment groups (CG1, CG2) between them, collecting funnels (7A, 7B) are provided at a lower part of a collecting chute (6), and movable plates (10) are provided to selectively discharge the objects to weighed from each adjustment group (CG1, CG2) to one of the collecting funnels (7A, 7B).

Abstract: A touch sensor unit and a method of controlling the sensitivity of the touch sensor include a supporting substrate, a touch sensor disposed on the supporting substrate, a cover having a three-dimensional form disposed on the touch sensor, and a control unit controlling the sensitivity of the touch sensor by applying weighted values to the sensitivity, wherein the sensitivity corresponds to three-dimensional location data of the cover.

Abstract: A robotic vehicle is disclosed, which is characterized by high mobility, adaptability, and the capability of being remotely controlled in hazardous environments. The robotic vehicle includes a chassis having front and rear ends and supported on right and left driven tracks. Right and left elongated flippers are disposed on corresponding sides of the chassis and operable to pivot. A linkage connects a payload deck, configured to support a removable functional payload, to the chassis. The linkage has a first end rotatably connected to the chassis at a first pivot, and a second end rotatably connected to the deck at a second pivot. Both of the first and second pivots include independently controllable pivot drivers operable to rotatably position their corresponding pivots to control both fore-aft position and pitch orientation of the payload deck with respect to the chassis.

Abstract: A vehicle compressor is controlled based on an environment parameter and a vehicle status parameter. In at least one embodiment, a temperature control system for a vehicle including an engine is provided. The system includes a compressor having a target operating speed. The system also includes an environment sensor arrangement configured to sense an environment parameter and a vehicle status sensor arrangement configured to sense a vehicle status parameter. The system further includes a control module that determines a maximum operating speed of the compressor as a function of both the environment parameter and the vehicle status parameter. The control module limits an operating speed of the compressor to the maximum operating speed if the target operating speed is greater than the maximum operating speed.

Abstract: A breather device (400) provided on the outer peripheral section of a case (60) of an in-wheel motor (70) is located at a position above the rotation shaft of the in-wheel motor (70), between the in-wheel motor (70) and a wheel (10). The position is inside the wheel (10) in the width direction of a vehicle.

Abstract: A golf trolley (2) comprising a handle (4), a frame (6), and a battery-powered drive arrangement (8), the battery-powered drive arrangement (8) comprising a pair of drive members (10) which each comprises an endless track (12), drive means (14) for driving the track (12), and support means (16) for supporting the track (12) such that a portion (18) of the track (12) is flat for engaging the ground (20) and moving over the ground (20) without damaging the ground (20).

Abstract: A hybrid vehicle drive unit that includes an intermediate shaft, a starting clutch and motor generator that includes a stator that is fixed to an interior portion of a motor casing that is attached to a housing of the transmission; a rotor support member that is coupled to the clutch drum and has an inner end portion that is rotatably supported by an end wall of the motor casing and a rotor support portion that is fitted to an outer perimeter face of the clutch drum in an axial direction such that there is play between the rotor support portion and the outer perimeter face; and a rotor that is held by the rotor support portion of the rotor support member and is disposed such that an outer perimeter face of the rotor faces an inner perimeter face of the stator.

Abstract: A hybrid motor vehicle is operated in a front-loaded electrical power mode. The motor vehicle includes a first, electrical based, propulsion system which is powered by electrical energy stored in a rechargeable battery, and a second, fuel-based propulsion system, which is powered by oxidation of a fuel. According to the method, the amount of electrical energy stored in the battery is measured, and a percentage of that measured level is selected. A distance D which the first propulsion system, operating singly, and using that stored energy, can propel the vehicle is determined.

Abstract: A hybrid motor vehicle includes a differential having a differential mechanism equipped with a first rotating element that is connected to an engine, a second rotating element that is connected to a first electric motor and a third rotating element connected to both a second electric motor and a transfer member; and a transmission provided in a power transmission path, extending from the transfer member to driven wheels, that establishes a plurality of transmission ranges by selectively operating a plurality of coupling devices. An irreversible rotation member connected to a non-rotation member against reverse rotation through a one-way clutch is provided in the transmission. When the second electric motor is malfunctioning, an engine start control unit starts the engine by driving the first electric motor while selectively engaging the coupling devices to connect the transfer member to the irreversible rotation member.

Abstract: An energy storage system is provided for an at least partially electromotively driven or drivable motor vehicle having a drive unit constructed as an electric machine for generating drive power onto a drive train. The energy storage system includes a first energy storage unit utilizing capacitive energy storage devices, and a second energy storage unit connected in parallel with the first energy storage unit and utilizing electrochemical energy storage devices.

Abstract: A drive for a vehicle, especially a tracked vehicle or a vehicle with wheel-based steering, with at least one component which consumes electric energy and at least one power electronic component (power electronics) for providing the necessary electric energy, where the power electronics can be cooled with a fluid by the evaporative cooling process.

Abstract: A fuel cell system for a vehicle (1) includes a fuel cell (14) configured to react fuel gas and oxidizing gas with each other and generate electricity; a system frame (20) fixed under a floor of a body of the vehicle and supporting the fuel cell (14); a driving motor (43) configured to drive the vehicle, arranged in a motor compartment (R2); and a high-voltage cable (101, 102) configured to transmit high-voltage power generated by the fuel cell (14) to the driving motor (43), the high-voltage cable (101, 102) having apart extended across the system frame, the part is arranged on an inner side of the system frame (20) and is along a frame member (22) of the system frame (20).

Abstract: The control procedure of the invention sets a target rotation speed Ne* and a target torque Te* of an engine corresponding to a torque demand Td* required for driving the vehicle (steps S100 to S120). In response to an upshift request for a gear of a transmission, the control procedure sets a positive pre-upshift target rotation speed Nmtag to a target rotation speed Nm1* of a first motor (step S230). The control procedure changes the target rotation speed Ne* of the engine to a specific rotation speed corresponding to the pre-upshift target rotation speed Nmtag of the first motor (step S240) and subsequently implements an actual change of the gear in the transmission (step S310). This arrangement effectively restrains a battery from being overcharged with excess electric power.

Abstract: A method of mounting a battery box (10) on a frame rail (12). Fasteners and elements (36, 38; or 54, 56) provide spaced apart, axially tapered outer surfaces (46; 62) proximate a vertical side of the rail with the tapers narrowing toward the side of the rail. The box has tabs (28) having downwardly open throats (30). The box is hung on the rail by positioning the box so as to place each tab over a respective element (38 or 56) on the fastener (36 or 54) with the tab throat aligned with the element, and then lowering the box to cause the elements to enter the tab throats and the throats to come to rest on the elements so that at least some of the weight of the box is borne by the rail through the throats resting on the elements. With the throats resting on the elements, the tapered outer surfaces present axial interference to the tabs beyond the tabs relative to the rail. After the box has been hung, the box is fastened to the rail by additional fasteners.

Abstract: A conventional vehicle can be turned into a semi-hybrid vehicle using an ultra capacitor, a self-charging motor, and a number of different other components configured to maximize usage of vehicle waste kinetic energy. In one implementation, detected deceleration of the semi-hybrid vehicle causes the self-charging motor to pass electrical power to the ultra capacitor. In one implementation, the self-charging motor can also be used to further decelerate, or brake, the vehicle. After deceleration, such as upon accelerating the vehicle, the self-charging motor initially draws power from the ultra capacitor to add torque to the drive shaft, which can significantly reduce required fuel consumption. In another implementation, the semi-hybrid vehicle is configured to differentially engage refrigerant compressor power sources so that the refrigerant compressor can be synchronized with a mechanical power source before engaging.

Abstract: A device and method for assisting a user in regaining his balance is disclosed. The device comprises at least one sensor for sensing changes in weight distribution on any of the feet of the user; at least one propulsion unit to be coupled to any of the feet of the user for displacing a foot of the user when a change in the weight distribution on that foot reaches a predetermined condition; and a controller for receiving signals from the sensor indicative of the predetermined condition and activating the propulsion unit. When the predetermined condition is determined the propulsion unit displaces a foot of the user mechanically in a direction the results in the repositioning of the support area of the user beneath the center of mass of the user, thus allowing the user to regain balance.

Abstract: A construction machine capable of increasing a frictional force and an acceleration performance without causing unwanted slip and an excessive load to a transmission by a driving force. The construction machine comprises a first mode to set the maximum output of an engine to a prescribed output, a second mode to limit the maximum output of the engine to an output lower than the prescribed output and a mode selector switch used for a operator to select from the plurality of modes. The construction machine also comprises control means that controls the machine to operate in the second mode regardless of the mode selected by the mode selector switch when a vehicle speed is equal to or less than a prescribed speed and the opening of an accelerator is equal to or more than a prescribed opening.

Abstract: A motorcycle includes a guard frame provided near an upper portion of a vehicle body of the motorcycle that is arranged to reduce or prevent damage to the components of the motorcycle in the event of an overturn of the motorcycle. The guard frame includes a pair of guard frame rails, each rail extending in a longitudinal direction of the vehicle body. A connecting portion connects the rear end portions of the rails. The front end portion of each rail is fixed to a body frame of the motorcycle. The connecting portion is supported by the body frame for pivotal movement about a pivot axis. The rails have a normal bow shape that projects outwardly. In some arrangements, an intermediate portion of each rail is formed of a material having lower rigidity than a material of the front and rear end portions of the rail.

Abstract: A detachable cover for a motorcycle cowling that can be easily switched with a service part is described. The cover includes a cover front edge section that is formed so as to form a generally continuous surface with at least a portion of an outer periphery edge section of a head light, and a cover rear section that is removably attachable to the cowling and that extends to the rear from the cover front edge section when attached to the cowling. A motorcycle that easily allows external appearance to be changed to satisfy a user's requirements is also described.

Abstract: A vehicle is powered by an electric motor that receives power from at least one of a fuel cell unit and a secondary batter. The fuel cell unit comprises a controller and a fuel cell stack. A hydrogen cylinder is positioned behind the secondary battery. A body cover generally encloses the fuel cell controller, the fuel cell stack, the secondary battery and the hydrogen cylinder. The body cover comprises an air inlet at a front end thereof and air outlets at a rear end of the body cover. An air passage 61 is defined within the body cover between the inlet and the outlets and the fuel cell controller, the secondary battery and the hydrogen cylinder can be arranged in that order from front to back.

Abstract: A construction machine (1) with a machine frame (2) and lifting columns (8) carrying crawler track units (4). The lifting columns (8) include consoles (10) coupled in pairs to the machine frame (2) by articulations (20, 22, 24, 26) and a coupling rod (18). The mutual distance of the articulations (20, 24; 22, 26) on a console (10) is of a length and/or the coupling rod (18) is of a shape that, when the crawler track units (4) swivel between limit positions of a swivel gear (14), the coupling rod (18) maintains a distance to the articulations (20, 22) facing the machine frame and/or to the lifting columns (8) over a swivelling angle range in excess of 90°, starting from the working position. The swivel gear (14) effects both the steering and the swivelling movements respectively in and from a transport position (5) to the working position and back.

Abstract: Automotive pedestrian protection hood lifting systems are adaptive, resettable, and redeployable. The hood may be moved between a retracted position and an extended position. A spring may be biased to selectively vary a load placed upon the hood based on predetermined event signals.

Abstract: An exhaust pipe device 20 of an articulate vehicle 1 has high durability. The exhaust pipe device 20 comprises a front exhaust pipe 21 fixed to a front vehicle body 2, a rear exhaust pipe 28 fixed to a rear vehicle body 3, and an intermediate exhaust pipe assembly 20T for interconnecting the front exhaust pipe 21 and the rear exhaust pipe 28. The intermediate exhaust pipe assembly 20T is rotatable around the vertical axis Y relative to the rear exhaust pipe 28, rotatable around the horizontal axis X2 relative to the front exhaust pipe 21, and expandable according to a change in a distance between the front exhaust pipe 21 and the rear exhaust pipe 28.

Abstract: A hydraulic hybrid vehicle includes elements such as a hydraulic pump driven by an internal combustion engine and arranged to draw in low pressure fluid and pump the fluid at high pressure to an accumulator. A hydraulic motor is powered by the pressurized fluid. Safety processes are provided for detecting and addressing a number of conditions that may arise in the operation of the hydraulic hybrid vehicle, including an initialization procedure for start-up of the vehicle, a shut-down procedure, and procedures for detecting and responding to failure of the pump or motor, internal and external fluid leaks, and non-responsive actuation and mode control systems.

Abstract: A system and method for driver-initiation of regeneration of a diesel particulate filter using a service brake pedal in a motor vehicle to reduce the risk that the vehicle will become unattended during on-going regeneration.

Abstract: A drive train for a compressor and a hydraulic pump of a motor vehicle, and a method of use are described. The system includes a hydraulic power steering system, an electric superimposed steering system for providing steering assistance, and a motor vehicle drive motor with a common output shaft for driving the compressor and the hydraulic pump. Also provided are means for reducing the power which is supplied to the compressor and to the hydraulic pump via the output shaft, when demands made of the compressor and of the steering assistance system permit reduced power operation. The power which is supplied to the compressor and to the hydraulic pump via the output shaft may be reduced substantially to zero when operation of the compressor is unnecessary and the electric superimposed steering system is sufficient to provide alone the steering assistance.

Abstract: A power steering apparatus includes a steering shaft, a hydraulic power cylinder, a hydraulic pump, a steering shaft actuator, a condition sensor, and a fluid pressure controller. The steering shaft is connected to a steering wheel. The hydraulic power cylinder is mechanically linked to the steering shaft. The hydraulic power cylinder has first and second fluid pressure chambers for producing an assist steering effort. The hydraulic pump supplies a first fluid pressure to the hydraulic power cylinder. The steering shaft actuator receives a second fluid pressure from the hydraulic pump, and applies a torque to the steering shaft by the second fluid pressure. The condition sensor collects information concerning at least one of an associated host vehicle, an associated driver and an associated road. The fluid pressure controller receives the collected information from the condition sensor, and controls the steering shaft actuator based on the collected information.

Abstract: A steering gear housing assembly includes a central housing member. A tower housing member includes a first plurality of mutually interconnected tubular sections secured to the central housing member. The tower end cap housing member includes at least one tubular section coupled to the central housing member. A rack housing member includes a second plurality of interconnected tubular sections secured to the central housing member. A rack end housing member includes a third plurality of interconnected tubular sections secured to the central housing member. An end cap retention housing member includes at least one tubular section secured to the central housing member.

Abstract: A stethoscope is provided, comprising: a sound receiving member (12) for receiving sounds, the sound receiving member capable of transmitting sound received thereby; a head set coupled to the sound receiving member to receive sound transmitted by the sound receiving member; means for reducing frictional noise, said means associated with the sound receiving member to reduce noise caused by relative movement between a surface and the sound receiving member of the chestpiece in contact with the surface.

Abstract: Disclosed is an earplug that includes a sound attenuating portion and a feature formed by laser ablation, wherein the feature comprises a cavity formed in a first end of the sound attenuating portion including a cylindrical shape extending into the sound attenuating portion, along a longitudinal axis of the sound attenuating portion, toward a second end of the sound attenuating portion opposite the first end, the earplug further comprising at least one of a cord, a stem, and a detectable insert disposed in the cavity.

Abstract: A machine is provided having an engine system wherein at least one engine system component with an acoustic reflective surface is surrounded by a jacket configured to absorb sound from at least one sound producing device of the engine system. The jacket includes a sound absorbing material such as fibrous thermal insulation and an acoustic permeable covering between the acoustic reflective surface and the engine compartment of the machine. The acoustic permeable covering of the jacket may comprise a micro-perforated skin, whereby acoustic energy from the at least one sound producing device of the engine system can enter a volume defined by the jacket wherein it is absorbed by the sound absorbing material. A method of operating an engine system includes dissipating engine sound within a jacket surrounding an engine system component, the jacket including an acoustic permeable covering and a sound absorbing material positioned within the covering.